Fridgewatch 2000 Controller Mk5
Publication 3-59 Section 3
Page 91 of 222 Issue 3.2 : 05.23
24 V dc low consumption relay
1
mounted in the auxiliary starte
Fridgewatch will energise this
relay when the oil pump is
required to run
Oil Pump
Run
Request
Q100.7
DQa.7
Liquid Valve
Enable Relay
5K3 Q101.0
506 DQb.0
Economiser
Electronic
Expansion
Valve/
Controller
Enable Relay
5K4 Q101.1
507 DQb.1
1
Relays must be low consumption type, 40 mA maximum, Omron LY2 or similar (RS Components part number 329-799).
Fig 61 DIGOUT Wiring Connections to Slot 1
1
Oil pump run
output relay