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Showing articles with label Field Devices. Show all articles

Temperature Sensor Resistance Charts

Issue Temperature Sensor Resistance Charts Product Line Andover Continuum, EcoStruxure Building Operation, Field Devices, Satchwell MicroNet, Satchwell Sigma, TAC IA Series, TAC INET, TAC Vista Environment Temperature Sensors Cause Temperature (°C) to Resistance Charts (ohms). Upgrading the site BMS, but retaining the existing sensors and the sensor resistance values are not known. Resolution The resistance of a sensor at a specific temperature can be downloaded here. The devices covered are Schneider-Electric's range including Andover, TAC and Satchwell and other manufacturers temperature sensors. All are detailed below. For the standard thermistor, tables click here, where the INET, I/A, and BALCO resistance tables are detailed. This is the chart for the Precon Thermistors - ACCTemp 10K Type III thermistor also known as the 10K4A1 Thermistor. For EcoStruxure I/O Module universal inputs, the type of thermistor bead is classed as a: "10k Type I (Continuum)" Satchwell T range is now known as STR600, STP660, STD600, STO600 10K3A1 with shunt Drayton DC1000, DC1100 30K6A1 is now known as STR600D, STP600D, STO600D Andover 10K4A1 TAC Inc. Vista 1.8KA1 I/A series 10K3A1 with 11K shunt INET 10K2A1 (10k Dale) BALCO 1000 ohm RTD Older Satchwell ranges: Satchwell DW1204, DW1305, DWS1202 Satchwell DO Satchwell DD/DR Other manufacturers include: Allerton 3K3A1 Ambiflex 2012, Honeywell Aquatrol, Jel/Thorn, Trend, York 10K3A1 Schlumberger (air) 5K3A1 Schlumberger (immersion) 100K6A1 Automatrix, York, Sibe 10K4A1 Honeywell 20K6A Landis & Gyr PT100A, PT1000A For I/A Series Controllers (MNL/MNB) Compatible sensors that have a built-in 11k shunt resistor include the TS-5711-850, TS-57011-850, TS-57031-850, and TSMN-90110-850 Series. Any sensor that matches resistance to temperature curve for a 10K Thermistor Type G (U.S. Sensor), Type 9 (Dale/Vishay) or Type III (ACI Series AH) can be used with the I/A Series MNL and I/A Series MNB series controllers, provided that a 11k ± 0.1% 1/8 watt resistor is wired in parallel with the sensor. The input has a range of -10 to 135 °F (-23.3 to 57.2 °C) with an accuracy of ±1% of span. Temperature / Resistance Reference Values Temperature Deg F (Deg C) Resistance Resistance Incl. 11k Shunt 32 (0) 25490 8,012 68 (20) 12,260 5,798 75 (25) 10,000 5,238 104 (40) 5,592 3,707 140 (60) 2,760 2,206 The full temperature / resistance table for the US Sensor 10K Thermistor R-T Curve Type G sensor can be found here. Please note that the controller may not be able to use the full temperature range shown in the table.  
View full article
Picard Product_Support
‎2020-12-02 06:46 AM

on ‎2020-12-02 06:46 AM

Labels:
  • Andover Continuum
  • EcoStruxure Building Operation
  • Field Devices
  • Satchwell MicroNet
  • Satchwell Sigma
  • TAC IA Series
  • TAC INET
  • TAC Vista
6864 Views

CSC4201 CSC4202 CSC4301 CSC4302 Climatronic Compensator Controller display flashing.

Issue CSC4201 CSC4202 CSC4301 CSC4302 Climatronic Compensator Controller display flashing. Environment Satchwell CSC4201 CSC4202 CSC4301 CSC4302 Climatronic Compensator Controller Cause Manual Override Switch is set in a mode other than AUTO (Clock symbol) Resolution Reset Manual Override Switch to AUTO (Clock symbol) mode. N.B. Details of this and other Manual Override Switch mode options and associated selection / de-selection may be found in the CSC4201 CSC4202 CSC4301 CSC4302 Climatronic Compensator Data Sheet, a copy of which may be viewed here.
View full article
Picard Product_Support
‎2018-09-10 07:03 AM

on ‎2018-09-10 07:03 AM

Labels:
  • Field Devices
525 Views

What is the BACnet MSTP unit load of the SpaceLogic SLP sensors

Issue What is the unit load of the SpaceLogic SLP Room Units that will help me to calculate how many SLP Room Units that can be added on ComA and ComB of a SmartX Server. Product Line EcoStruxure Building Operation, Field Devices Environment SpaceLogic SLP Room Unit SmartX Server Cause Documentation does not state the Unit Load (UL) of the SpaceLogic SLP Room Unit. Resolution The Generic application note AN01 can be applied with answers to the transceiver interface attributes below. The SpaceLogic SLP Room Unit range use the SN65HVD1781DR transceivers which are a failsafe transceiver (not requiring bias) and reduced 1/10 UL. In addition there are no local bias resistors and therefore the 1/10 UL of the transceiver would be the total UL presented to the bus by the SpaceLogic SLP Room Unit. Transceiver Xcvr Unit Load Xcvr Failsafe Adaptor Circuit Bias Circuit Bias Load Total Unit Load Isolated 485 Bus SN65HVD1781DR 0.1 Yes None None 0.1 No Based on the above the total number of devices can be calculated as 32/0.1 = 320. The BACnet MSTP standard specifies that the address range for BACnet master devices is 0-127 and therefore a SmartX Server is limited to 127 devices per com port (254 total per Server) so this should effectively be the limiting factor. Since the SpaceLogic SLP Room Unit does not have an isolated RS-485 interface it conforms to Generic RS-485 Network Device Configuration 1 in EBO Webhelp.  A network consisting of only SpaceLogic SLP Room Units should only require a 120 ohm termination resistor at each end of the bus and not require any bias resistors. Also check out the SmartStruxure-RS485-Controller Unit Load Quick-Help video on the Exchange.
View full article
Administrator CraigEl Administrator
‎2020-09-21 07:06 PM

Last Updated: Sisko Adam_Steele Sisko ‎2020-09-21 07:09 PM

Labels:
  • EcoStruxure Building Operation
  • Field Devices
183 Views

STO300 current and voltage modes and wiring

Issue The documentation on The Exchange differs from the documentation included in the packaging. Neither document shows the full capabilities or wiring options of the transmitter. Environment STO300 Cause The supplier recently changed the PCB and as a result, all of the 300 model plantroom type sensors now offer dual outputs (current and voltage). Since the part number designation is for current only the documentation included in the packaging only shows this configuration. To further complicate matters the specification and installation materials on The Exchange have not been updated to reflect the changes at this time Resolution The installation instructions included in the product packaging should always be referred to when installing these transmitters. The latest installation instructions can be downloaded here. If the new 0-10VDC output feature is required please follow the diagram below for wiring and DIP switch configuration.
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Picard Product_Support
‎2018-09-10 01:40 PM

Labels:
  • Field Devices
541 Views

Voltage spike from SLR320 when first powered

Issue When an SLR320 light level sensor has power applied a transient voltage (approx. 17VDC) is seen on the output. Environment SLR320 Cause In order to provide dual output capability (voltage and current) with both AC and DC supply, it is necessary to use a capacitor to filter the AC supply. This capacitor is also active in current mode because it is placed behind the rectifier at the G clamp. An additional resistance is added inside to minimize this load current. This load current of the capacitor (which is the cause of transient voltage) cannot be reduced to zero, otherwise the voltage output cannot be used at AC supply within its specification (max. output voltage @ min. load resistance @ min. supply voltage, Y clamp). Resolution This behavior is expected and by design. The transient voltage generated by the load current is settled within approximately 40ms and occurs only at power up. The transmitter is continuously powered so this would not normally be an issue and would have stabilized before a controller that was powered up at the same time would be booted and scanning it's inputs.
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Picard Product_Support
‎2018-09-06 08:40 AM

Labels:
  • Field Devices
551 Views

Enabling TAC Xenta controller service menu

Issue Enabling TAC Xenta controller service menu Product Line Field Devices Environment TAC Xenta OP TAC Menta Cause To enable the TAC Xenta controller service menu, which is accessible from the OP, this option must be selected when the OP tree is edited/generated. Resolution Edit the OP tree in the OP configuration tool, and select Formats > Settings and "Use Service Menu" option will be available. When this option is selected the OP will be able to view the TAC Xenta device system program version, device name, and network address. In addition to that the OP will also be able to configure the I/O modules and restart the device.
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Picard Product_Support
‎2018-09-06 03:10 PM

Last Updated: Admiral PeterEdvik Admiral ‎2020-01-29 05:59 AM

Labels:
  • Field Devices
832 Views

Adjusting a Venturi pipe to the correct size

Issue The calectro smoke detektor has too long pipe to fit Environment Calectro Smoke detektor Venturi pipe Cause The Venturi pipe is long, but also possible to cut Resolution You can cut the Venturi pipe to size but you must only cut it from the end that does not have the sleeve. See Installation instruction for more information.  
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Picard Product_Support
‎2018-09-10 01:49 PM

Labels:
  • Field Devices
440 Views

Replacement of Satchwell "AL..S" series Spring Return Linear Actuator by S-E M700 Spring Return Linear Actuator due to obsolescence.(Actuator Selection)

Issue Satchwell “AL..S” series Spring Return Linear Actuator requires replacement Product Line Field Devices Environment Satchwell “AL..S” series Spring Return Linear Actuator installed on Satchwell MJF, MZ, MZF, VJF, VSF, VZ or VZF series Plug and Seat Valve Body. Actuator type :- AL..S series. Cause Obsolescence of Satchwell AL..S series Spring Return Linear Actuator. Resolution Replace Satchwell AL..S series Spring Return Linear Actuator with S-E M700 Spring Return Linear Actuator and Linkage Kit : AL..S = M700 + L7SV (880-0126-000) Linkage Kit. N.B. M700 is available with two different spring return actions M700 - SRSU (880-0430-000) = Spring Return Spring Up          ( M700 - SRSU will CLOSE a Satchwell Valve.) M700 - SRSD (880-0440-000) = Spring Return Spring Down     ( M700 - SRSD will OPEN a Satchwell Valve.) Should the Satchwell AL..S series Actuator include a wired Auxiliary Switch then the following S-E M700 Actuator specifications which include 2 independent 24 volt 4 amp AC-1 rated SPDT Auxiliary End Point Switches should be considered as appropriate: M700 - S2 - SRSU (880-0431-000) M700 - S2 - SRSD (880-0441-000) Alternatively Auxiliary Switch Pack S2 (880-0104-000) - Two independent 24 volt 4 amp AC-1 rated SPDT Auxiliary End Point Switches may be purchased separately permitting local installation.  Particular care should be taken when selecting a TAC Forta M700 Spring Return Actuator to replace an existing Satchwell ALMS, ALXS or ALES Spring Return Actuator.  Please refer to Replacement of Satchwell "AL..S" series Spring Return Linear Actuator by S-E M700 Spring Return Linear Actuator due to obsolescence.(Actuator Wiring). Please check the latest catalog for current equipment.
View full article
Picard Product_Support
‎2018-09-07 04:23 AM

Last Updated: Administrator DavidFisher Administrator ‎2018-12-14 01:01 PM

Labels:
  • Field Devices
822 Views

Replacement of Satchwell VSF or VJF Valve Body controlled by Satchwell Spring Return Actuator due to obsolescence.

Issue Satchwell VSF or VJF Valve Body controlled by Satchwell Spring Return Actuator requires replacement. Environment Satchwell VSF or VJF Valve Body installed in Water or Steam Control Valve applications. Cause Obsolescence of Satchwell VSF or VJF Control Valve Body. Resolution STEAM APPLICATION 1.  Replace Satchwell VSF or VJF Valve Body with S-E Two-Port Flanged Valve Body. Where an existing Satchwell VSF or VJF Valve Body is utilised in a STEAM application, then the VSF or VJF Valve Body should be replaced by a suitably sized S-E VGS211F Valve Body, thus enabling steam having a steam inlet pressure up to 1300 kPa and a temperature up to 200 deg C to be controlled. It should be noted however that the face-to-face dimension and overall dimensions of each S-E Valve Body will differ to those of the Satchwell VSF or VJF Valve Body. It should also be noted that the operation of the VGS211F Valve Spindle is the reverse of that of the VSF or VJF Valve Spindle. When the VGS211F Valve Spindle is UP, or in the fully extended position, then the Valve is OPEN. Similarly, when the VGS211F Valve Spindle is DOWN, or in the fully retracted position, then the Valve is CLOSED This will therefore result in the need to replace the existing Satchwell Actuator with the correct model of S-E M700 Actuator, in order to ensure the correct operation of the Valve Body in the event of electrical power failure. It is important that the above limitations are recognised when replacing a Satchwell VSF or VJF Valve Body with a S-E VGS211F Valve Body in retrofit projects. Such limitations do not apply to new projects where a new S-E VGS211F Valve Body and a new S-E  M700 Actuator are being selected, providing of course that an Actuator having the correct spring action in the event of electrical power failure is selected. N.B. Steam Control Valves are normally required to CLOSE in the event of electrical power failure. In the case of the S-E VGS211F therefore the S-E M700 SRSD Actuator should be selected. WATER APPLICATION 1.  Replace Satchwell VSF or VJF Valve Body with S-E Two-Port Flanged Valve Body. A number of alternative models of S-E Two-Port Flanged Valve Bodies are available to replace existing Satchwell VSF or VJF Two-Port Flanged Valve Bodies. It should be noted however that the face-to-face dimension and overall dimensions of each S-E Valve Body will differ to those of the Satchwell VSF or VJF Valve Body.  
View full article
Picard Product_Support
‎2018-09-06 02:42 PM

on ‎2018-09-06 02:42 PM

Labels:
  • Field Devices
815 Views

Wiring configuration enabling connection of S-E Forta Actuator set in Increase / Decrease mode to early discrete Satchwell Climatronic CSC/CXR/CXT Controller.

Issue Wiring configuration enabling connection of S-E Forta Actuator set in Increase / Decrease mode to early discrete Satchwell Climatronic CSC/CXR/CXT Controller. Environment S-E Forta Actuator set in Increase / Decrease mode connected to early discrete Satchwell Climatronic CSC/CXR/CXT Controller. Cause Obsolescence of previous Actuator connected to early discrete Satchwell Climatronic CSC/CXR/CXT Controller. Resolution 1.  Connect S-E Forta Actuator set in Increase / Decrease mode to early discrete Satchwell Climatronic CSC/CXR/CXT Controller.  It should be noted that when connecting a S-E Forta Actuator set in Increase / Decrease operation mode to an early discrete Satchwell Climatronic CSC/CXR/CXT Controller it may be necessary to wire the Actuator in a 24v OPEN / 24v CLOSE / 0v COMMON configuration instead of the 0v OPEN / 0v CLOSE / 24v COMMON configuration as shown in the S-E Forta Actuator Data Sheets. 2.  With S-E Forta Actuator DIL Switch No.2 set ON in Increase / Decrease mode wire to the S-E Forta Actuator terminals as follows :- 24v Supply – wire to Terminal G 0v   Supply – wire to Terminal G0 24v Open signal – wire to Terminal VH 24v Close signal – wire to Terminal VC N.B. This deviation from the standard S-E Forta Actuator installation method should be recorded in the site Operating & Maintenance manual. A 24v supply must be present across Terminals G / G0 for the S-E Forta Actuator to work satisfactorily. A 4-wire connection must be made to the S-E Forta Actuator, instead of the 3-wire connection made to any Satchwell Actuator it is replacing. It is important to ensure that the 24v Power Supply to both the S-E Forta Actuator and the Satchwell Climatronic Controller share the same 0v potential. It is also important to ensure that the 24v Power Supply is capable of providing the higher level of VA required to operate the S-E Forta Actuator compared to that of any Actuator that it may be replacing. 
View full article
Picard Product_Support
‎2018-09-06 02:42 PM

Labels:
  • Field Devices
525 Views

Replacement of Satchwell DRT3451 Adjustable Room Temperature Sensor by S-E STR612.

Issue Replacement of Satchwell DRT3451 Adjustable Room Temperature Sensor by S-E STR612. Environment Satchwell DRT3451 Adjustable Room Temperature Sensor installations. Cause Obsolescence of Satchwell DRT3451 Adjustable Room Temperature Sensor Resolution Replace Satchwell DRT3451 Adjustable Room Temperature Sensor with S-E STR612 The STR612 provides the same functionality as the DRT3451 differing only in its appearance, dimensions and terminal identification. Equivalent terminal identification is as follows STR612 Terminal 22 (A) = DRT3451 Terminal A STR612 Terminal 23 (C) = DRT3451 Terminal C Connection of STR612 to CZU Fan Coil Unit Temperature Controller STR612 Terminal 22 (A) – connect to CZU Terminal 9 STR612 Terminal 23 (C) – connect to CZU Terminal 10 (CZU Setpoint should be set to 10 deg C)
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Picard Product_Support
‎2018-09-06 02:42 PM

on ‎2018-09-06 02:42 PM

Labels:
  • Field Devices
523 Views

Replacement for Drayton A703 Immersion Temperature Sensor by S-E STP600D

Issue Replacement for Drayton A703 Immersion Temperature Sensor by S-E STP600D Product Line Field Devices Environment Drayton A703 Immersion Temperature Sensor installation. Cause Obsolescence of Drayton A703 Immersion Temperature Sensor Resolution 1.  Replace Drayton A703 Immersion Temperature Sensor with S-E STP600D The S-E STP600D provides the same functionality as the Drayton A703, differing only in its appearance and dimensions. The S-E STP600D Terminals are not polarised. N.B. It should be noted that the S-E STP600D is not supplied with a compatible Pocket. If it is not possible to utilise the existing Drayton Pocket, then a 100mm S-E Pocket (9121041000-Brass or 9121051000-Stainless Steel) should be selected as appropriate and in order to comply with the system requirements. There is a intentional gap between the top of the pocket, and the sensor housing, to ensure the probe tip touches the end of the pocket.  
View full article
Picard Product_Support
‎2018-09-07 04:26 AM

Last Updated: Administrator DavidFisher Administrator ‎2020-10-30 10:47 AM

Labels:
  • Field Devices
571 Views

Replacement of obsolete Satchwell TR Series 230 V ac / 24 V ac Transformer by S-E TR Series 230 V ac / 24 V ac Transformer

Issue Satchwell TR Series 230 V ac / 24 V ac Transformer requires replacement. Product Line Field Devices Environment Satchwell TR1 (25VA), TR2 (50VA), TR3 (80VA), TR4 (200VA) and TR5 (300VA) 230 V ac / 24 V ac Transformers. Cause Obsolescence of Satchwell TR1, TR2, TR3, TR4 and TR5 230 V ac / 24 V ac Transformers. Resolution Replace Satchwell 871-1-201 TR1 (25VA) 230 V ac / 24 V ac Transformer with S-E TR 32 (32VA) 230 V ac / 24 V ac Transformer SE part number 3413032000. Replace Satchwell 871-1-202 TR2 (50VA) 230 V ac / 24 V ac Transformer with S-E TR 60 (60VA) 230 V ac / 24 V ac Transformer SE part number 3413060000. Replace Satchwell 871-1-203 TR3 (80VA) 230 V ac / 24 V ac Transformer with Transformer of another manufacturer's origin. Replace Satchwell 871-1-204 TR4 (200VA) 230 V ac / 24 V ac Transformer with Transformer of another manufacturer's origin. Replace Satchwell 871-1-205 TR5 (300VA) 230 V ac / 24 V ac Transformer with Transformer of another manufacturer's origin. The S-E TR range of Transformers provide the same functionality as the Satchwell TR range of Transformers but differ in appearance, dimensions and the range of VA ratings available. Specification EN 60742, with which the Satchwell range of Transformers complied, has been superseded by Specification EN 61558, with which the S-E range of Transformers comply. To review the transformer data sheet, see TR32-60 Transformer Data sheet en [101917].pdf.
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Picard Product_Support
‎2018-09-07 02:58 AM

Last Updated: Administrator DavidFisher Administrator ‎2020-10-30 10:48 AM

Labels:
  • Field Devices
957 Views

DC1100 & DC1400 Optimiser / Compensator Controller Cold Start .

Issue DC1100 & DC1400 Optimiser / Compensator Controller Cold Start malfunction. Environment DC1100 Optimiser / Compensator Controller. DC1400 Optimiser / Compensator Controller Cause DC1100 & DC1400 Optimiser / Compensator malfunction preventing Cold Start procedure being undertaken.. Resolution 1.  Repeat DC1100 & DC1400 Controller Cold Start procedure. A manufacturing problem experienced with the DC1100 and DC1400 may result in difficulty applying the Cold Start procedure. Faults have been reported in respect of a number of DC1100 Controllers in particular, where difficulty has been experienced when applying the Cold Start procedure. The fault appears in those Controllers where the Enter and Exit Keys foul their respective cut-outs in the Top Cover Panel, thus preventing Cold Start from being achieved. This is due to a conflict in assembly tolerances that can cause the Keys to remain depressed after they have been pressed in, due to their being trapped by the cut-outs they should pass through. In such instances it may be necessary to undertake the Cold Start procedure a number of times before any trapped Key is released sufficiently to enable resetting of the Controller to be achieved. Actions are currently in hand to rectify this matter and the positioning of the cut-outs in the Top Cover Panel relative to the Key positions has been addressed from a design point of view. Examples of the Top Cover Panel incorporating newly dimensioned cut-outs are not due to be available for inclusion in production assemblies until Week Number 2010 45 at the earliest however. Consequently current production assemblies incorporating the existing Top Cover Panel will continue to be utilised in all newly manufactured Controllers for the moment at least. Similarly an opportunity will not arise until Week 2010 45 for any Controllers currently held in stock in S-E Sweden to be re-worked to include the new Top Cover Panel prior to their sale.
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Picard Product_Support
‎2018-09-06 02:41 PM

on ‎2018-09-06 02:41 PM

Labels:
  • Field Devices
741 Views

S-E L2SV Linkage Kit and S-E L7SV Linkage Kit compatibility with Satchwell Plug and Seat Valve Bodies.

Issue S-E L2SV Linkage Kit and S-E L7SV Linkage Kit compatibility with Satchwell Plug and Seat Valve Bodies. Environment Satchwell 1 series Plug and Seat 2-port and 3-port Valve Bodies. Satchwell 2 series Plug and Seat 2-port and 3-port Valve Bodies. Satchwell 3 series Plug and Seat 2-port and 3-port Valve Bodies. Satchwell 7 series Plug and Seat 2-port and 3-port Valve Bodies. Cause Use the correct S-E Linkage Kit with Satchwell Plug and Seat Valve bodies. Resolution 1.  Observe specification number of Satchwell Plug and Seat Valve Body Generally where a Satchwell AL series Linear Actuator is fitted to a Satchwell plug and seat Valve Body, the Actuator may be replaced by an equivalent S-E Forta or MV15B series Linear Actuator and appropriate S-E Linkage Kit. It should be noted however that neither the S-E L2SV Linkage Kit nor the S-E L7SV Linkage Kit will enable an S-E Forta or MV15B series Linear Actuator to be mounted on a Satchwell 7 series MZ/MZF or a Satchwell 7 series VZ/VZF plug and seat Valve Body. The internal screw threads of the Neck Adaptors included in the S-E L2SV Linkage Kit (880 – 0124 – 000) and S-E L7SV (880 – 0126 - 000) Linkage Kit are compatible with the external screw threads on Satchwell 1, 2 & 3 series Valve Body necks only. The external screw threads on Satchwell 7 series Valve Body necks however differ to those on Satchwell 1, 2 & 3 series Valve Body necks. Consequently neither the S-E L2SV Linkage Kit nor the S-E L7SV Linkage Kit will enable an S-E Forta or MV15B series Linear Actuator to be mounted on a Satchwell 7 series Valve Body. A S-E Forta series Linear Actuator may be mounted on a Satchwell 7 series Valve Body however using Linkage Kit 880 – 0135 – 000.  No equivalent Linkage Kit is currently available for use with the MV15B series Linear Actuator. The Satchwell Valve Body series may be determined from the Valve Body specification number stamped on the Valve Body Identification Collar, where the single middle digit of the specification number denotes the series. In the case of a Satchwell 7 series Valve Body for instance the single middle digit of the specification number will be the number 7 (e.g. 626 – 7 – 402)
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Picard Product_Support
‎2018-09-06 02:40 PM

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  • Field Devices
786 Views

S-E Forta M700 Actuator unable to be mounted on S-E VGS211F Valve Body due to absence of S-E VGS211F Valve Body Spindle Adaptor.

Issue S-E Forta M700 Actuator unable to be mounted on S-E VGS211F Valve Body . Environment S-E Forta M700 Actuator mounted on S-E VGS211F Valve Body  Cause S-E Forta M700 Actuator unable to be mounted on S-E VGS211F Valve Body due to absence of S-E VGS211F Valve Body Spindle Adaptor. Resolution 1.  Install S-E VGS211F Valve Body Spindle Adaptor prior to installation of S-E Forta M700 Actuator. The S-E VGS211F Valve Body is supplied with a Valve Spindle Adaptor. The Adaptor is illustrated in the S-E Forta M700 Installation Instruction (OFL – 4340 – 001). It is particularly important to ensure that this Adaptor is fitted to the Valve Spindle, as its absence will prevent the M700 Actuator from being mechanically connected to the Valve Body Spindle.
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Picard Product_Support
‎2018-09-06 02:37 PM

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  • Field Devices
523 Views

S-E MD20 Actuator Clamp Drive Shaft Clip fouling LMD/AR-MBF Linkage Kit Mounting Platform inhibits Actuator rotation.

Issue S-E MD20 Actuator Clamp Drive Shaft Clip fouling LMD/AR-MBF Linkage Kit Mounting Platform inhibits Actuator rotation. Environment S-E MD20 Actuator installed on Satchwell MBF Valve Body. Cause S-E MD20 Actuator Clamp Drive Shaft Clip cut out undersized. Resolution Measure diameter of S-E MD20 Actuator Clamp Drive Shaft Clip cut out. S-E MD20 Actuator Clamp Drive Shaft Clip cut out diameter should be 47mm Replace S-E MD20 Actuator Clamp Drive Shaft Clip with another having modified cut out if dimension less than 47mm. The diameter of the cut out in the original LMD/AR-MBF Linkage Kit Mounting Platform was such that the MD20 Actuator Drive Shaft Clip could be prevented from turning freely with the Drive Shaft. The LMD/AR-MBF Mounting Platform was modified in August 2007, when the diameter of the cut out in the Mounting Platform was increased to 47mm, thus overcoming the fouling of the MD20 Actuator Drive Shaft Clip. It is possible to ascertain whether the LMD/AR-MBF Mounting Platform in use is of the original or modified design by measuring the diameter of the cut out in the Mounting Platform If the diameter of the LMD/AR-MBF Mounting Platform cut out is less than 47mm, then the MD20 Actuator Drive Shaft Clip will foul the LMD/AR-MBF Mounting Platform. The MD20 Actuator Drive Shaft Clip however is retained in a groove within the Drive Shaft and whilst the Clip may be prevented from turning freely with the Drive Shaft, the turning of the Drive Shaft itself will not be impeded.
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Picard Product_Support
‎2018-09-06 02:37 PM

on ‎2018-09-06 02:37 PM

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  • Field Devices
519 Views

S-E VZ29 / VZ39 / VZ49 Valve Body produces excessive let by due to S-E MZ20 series Actuator Manual Override set to value other than ZERO.

Issue S-E VZ29 / VZ39 / VZ49 Valve Body produces excessive let-by.   Environment S-E VZ29 2-port Valve Body controlled by S-E MZ20 series Actuator. S-E VZ39 3-port Valve Body controlled by S-E MZ20 series Actuator. S-E VZ49 4-port Valve Body controlled by S-E MZ20 series Actuator. Cause S-E MZ20 series Actuator Manual Override set to value other than ZERO Resolution 1.  Check S-E MZ20 series Actuator Manual Override facility is set to ZERO. 2.  If S-E MZ20 series Actuator Manual Override facility is set to ZERO then investigate Valve Body condition / duty compatibility. Instances of excessive let-by experienced with S-E Valve Bodies from the VZ29 / VZ39 / VZ49 family may result from the setting of the Manual Override facility on the S-E MZ20 series Actuator controlling it, rather than the Valve Body itself. S-E MZ20A and MZ20B Actuators include a Manual Override facility, comprising a screw, accessed through a hole in the top of the Actuator, which may be raised and lowered by means of a 3mm Allen Key inserted through the hole in the top of the Actuator. The Manual Override position is required to be set to ZERO upon manufacture.  If the screw is not set to the ZERO position prior to dispatch however, then this may result in the Valve Spindle being depressed by the amount of Manual Override applied. Where a Valve Body is letting by excessively, then initially the Actuator Manual Override setting should be checked and reset to ZERO if necessary.  
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Picard Product_Support
‎2018-09-06 02:37 PM

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  • Field Devices
520 Views

TAC Valve Body published Cv values may differ markedly to equivalent Kv values due to use of Cv values based on US Gallons per minute rather than U.K. Gallons per minute.

Issue TAC Valve Body published Cv values may differ markedly to equivalent Kv values.  Environment TAC Valve Body published data utilised when sizing and selecting S-E / TAC Control Valves. Cause TAC Valve Body published Cv values based on flow rates measured in U.S. Gallons per minute rather that U.K.Gallons per minute., Resolution Check published Cv value relative to published Kv value stated for TAC Valve Body. If published Cv value is within 3% of published Kv value then Cv value may be used for sizing / selection of Valve Body. If published Cv value is up to 17% higher than Kv value then Cv value should not be used for sizing / selection of Valve Body. Cv values published in older TAC Valve Body Data Sheets should be checked before considering use in U.K. valve sizing formula. Numerous TAC Valve Body Data Sheets show that for a particular Kv value, the equivalent Cv value is approximately 17% higher than the Kv value. For example, where TAC Valve Body Data Sheet shows Kv = 10, then equivalent Cv = 11.7 or in other words Cv = Kv x 1.17 Cv values published in Satchwell Valve Body Data Sheets however show the relationship between Kv and Cv as:- Kv = Cv x 1.03 or in other words Cv = Kv x 0.97 This difference in equivalent values is due to Cv values stated in some TAC Data Sheets being based on flow rates measured in U.S. Gallons per minute, while those Cv values stated in Satchwell Data Sheets however are based on flow rates measured in U.K. Gallons per minute. If flow rates are measured in U.S. Gallons per minute, then the following conversion factor applies :- Kv = Cv x 0.86, as the U.S. Gallon is smaller than the U.K. Gallon. Taking published TAC Valve Body Data Sheet information therefore, where the Cv value is stated as 11.7 and the Kv value is stated as 10, confirms that the conversion factor Kv = Cv x 0.86 ( 11.7 x 0.86 = 10 ) has been applied, further confirming that published Cv values are in fact based on U.S. Gallons and not U.K. Gallons. Consequences of this are as follows : - If it is assumed that the published Cv value is a U.K. Cv value, when in fact it is a U.S. Cv value, and the published Cv value is then used as a basis for valve sizing and selection, then this will result in a smaller Valve Body being selected than would otherwise be the case. Consequently, once installed, the selected Valve Body will produce a much higher pressure drop and correspondingly higher authority for a given flow rate than would otherwise have been the case. In practice the installation of an undersized Control Valve can result in starvation of flow to the item of plant being controlled and the potentially costly replacement of the Valve Body for another of a larger size. Similarly, the installation of an undersized Control Valve will result in a greater pressure drop being applied to the hydraulic circuit than may be desirable and could lead to an adverse effect on the performance of the associated circulating pump. It is important to ensure therefore that where both Kv and Cv values are published for a given Valve Body, the Kv value is utilised when undertaking valve sizing and selection.  This should ensure that a Valve Body of the correct size is selected. Measures are currently in place to actively remove all references to Cv values from both S-E / TAC Data Sheets and all future editions of the S-E HVAC Valves and Actuators Catalogue.
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Picard Product_Support
‎2018-09-06 02:37 PM

on ‎2018-09-06 02:37 PM

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  • Field Devices
716 Views

How do I select an actuator and valve combination?

Issue How do I select an actuator and valve combination? Environment Actuator Valve Cause Select the correct actuator and valve part numbers. Resolution Refer to the TAC Catalog F-27414-*. Read the section on valve part numbers. Select the valve body needed. Refer to Catalog F-27382-*. Read through the actuator selection for MA, MC, MF, MK, MM, Mp, and MS to identify the desired actuator. Refer to TAC Catalog F-27414-*. find the page with the chosen actuator valve combination. Verify from the close off table that the actuator will meet the valve performance requirements. Turn to the actuator assembly code table and select the assembly code needed to complete the valve assembly number. ie: Vx-XXXX-XXX-X-XX. Order valve. If valve is not available as a factory assembly, order the individual parts and field assemble. The valve close off table provides the correct linkage kit required to couple the actuator and valve body, not all actuators require linkage kits.
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Picard Product_Support
‎2018-09-06 02:36 PM

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  • Field Devices
539 Views
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