Grundfos IMpress - GLYCOL Main PCB Terminal Connections

Terminal Connections
The GLYCOL Main Board has the same connector arrangement as the standard
IMPRESS ADVANCED Board with two noticeable differences;
Main PCB (Internal Front View)
Terminal Connections
GLYCOL Version
PUMP-A
RUN
J110
PUMP-B
RUN
J111
PRESS
LOW
J101
PRESS
HIGH
J102
WATER
LOW
J103
WATER
LEAK
J104
PUMP-A
FAULT
J105
PUMP-B
FAULT
J106
SERVCE
DUE
J107
SYSTEM
FAULT
J108
TELEMETRY VOLT-FREE CONTACTS - 250mA/100vDC MAX
COMMS
RS232
RXD GND TXD
J109
WATER
LOW
J5
AUX
ALARM
WH BN BL
J16
REMOTE
NO C NC
J2
STOP
NO C NC
J3
VOLT-FREE CONTACTS
DOSING
PUMP
E L N
J14
Dosing Pump Supply
AUX Alarm Sensor Input