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1 FKV003
Field module with output for EEV for cold locations
1.1
Front view
Fig. 1: Front view
1.2
Features
•
Control of one evaporator per module
•
Operation of electronic expansion valves:
-
Constant via output 0...10V
-
Pulsed, 230V~ / 230V= with ATV230
•
Connection of an external display
•
Connection of glass and handrail heaters on a free display output through ECA970
•
Fixed input/output allocation for sensors, control inputs and relays
•
Emergency program in case of CAN bus errors
•
No parameters to be set on the device
•
CAN bus connection via patch cable and screw terminals (4-pin)
•
Replaces FKV002B
•
Connection to master module via Wurm CAN field bus (F-BUS)
1.3
Safety instructions
Writing conventions
•
Avoid the described hazard: otherwise, electric voltage represents a danger that could lead to
fatal or serious bodily injury.
•
Avoid the described hazard: otherwise, minor or intermediate physical injury or damage to
property will result.
FKV003_V3.60_PI_2022-11_EN
Field module with output for EEV for cold locations
Subject to technical changes
FKV003
WARNING
CAUTION
1
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Summary of Contents for WURM FKV003
- Page 1 CAN bus connection via patch cable and screw terminals (4-pin) • Replaces FKV002B • Connection to master module via Wurm CAN field bus (F-BUS) Safety instructions Writing conventions • Avoid the described hazard: otherwise, electric voltage represents a danger that could lead to WARNING fatal or serious bodily injury.
- Page 2 Wurm GmbH & Co. KG Elektronische Systeme. Keep these instructions ready to hand for quick reference and pass them on with the device if the product is sold.
- Page 3 You must also observe the detailed description of the ECA970. NOTICE • The control of a glass and handrail heater via the free display output of the FKV003 is only possi- ble with HKS-G3 V7.62 or later. FKV003_V3.60_PI_2022-11_EN Subject to technical changes...
- Page 4 Field module with output for EEV for cold locations CAN bus address setting To correctly register the FKV003 on the CAN bus, you must assign it a unique CAN bus address using a coding switch. This is a requirement for functioning communication with the master module.
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