© 1995-2009 Energy Saving Products Ltd.
Chilled Water Wiring
Module WIR
Hi-Velocity Wiring & Dip Settings (7/11)
Module WIR Hi-Velocity Wiring & Dip Settings (7/11)
E
W2
C
R
Y2 Y1
G
W1 W2 C
R Y2 Y1 D O/B
G
AUXILIARY RELAY
(HEATING)
THERMOSTAT
A3
A2
A1
L
N
W1
Chilled water
Circulator
C
R Y
G
W1 W2 C
R Y2 Y1 D O/B
G
AUXILIARY RELAY
(HEATING)
THERMOSTAT
A1 AND A3 -
Activates 110v
in cooling mode
with this wiring
schematic.
Chilled water
Circulator
X1 AND X2 -
WIRES TO ANTI-ICE CONTROL,
CONDENSING UNIT “Y” AND “C”
SIGNAL FROM H1 AND C TO
COMPLETE SIGNAL. IF NO ANTI-
ICE CONTROL NEEDED (IE CHILLED
WATER) INSTALL JUMPER WIRE
BETWEEN X1 AND X2
CHILLER
CONTACTS
Z1 C H1 X2 X1
C
Y
C
CHILLER
CONTACTS
Z1 C H1 X2 X1
C
Y
C
1 Stage Cooling
c/w chilled water circulator
w/o using “W” terminals
C
R
Y
G
W1 W2 C
R Y2 Y1 D O/B
G
AUXILIARY RELAY
(HEATING)
THERMOSTAT
X1 AND X2 -
WIRES TO ANTI-ICE CONTROL,
CONDENSING UNIT “Y” AND “C”
SIGNAL FROM H1 AND C TO
COMPLETE SIGNAL. IF NO ANTI-
ICE CONTROL NEEDED (IE CHILLED
WATER) INSTALL JUMPER WIRE
BETWEEN X1 AND X2
A3
A2
A1
L
N
COOLING
CIRCULATOR
110v
2 STAGE COOLING
WITH CHILLED WATER
FOR SINGLE STAGE
WIRE RELAY AND THE
THERMOSTAT TO “Y2”
A3
A2
A1
L
N
COOLING
CIRCULATOR
Y
C
CHILLER
CONTACTS
110v
G
W1 W2 C G R Y2 Y1 D O/B
R
Y2
G
Y1
THERMOSTAT
C
2 STAGE COOLING
WITH CHILLED WATER
G
W1 W2 C G R Y2 Y1 D O/B
R
Y2
G
Y1
THERMOSTAT
C
1 Stage Cooling (Only)
c/w chilled water circulator
Energy Saving Products 12615-124 Street, Edmonton, AB T5L-0N8
ESP315.07
CHILLED WATER WIRING
1 stage cooling (only)
c/w chilled water circulator
1 stage cooling
c/w chilled water circulator
w/o using “W” terminals
2 STAGE CHILLED WATER COOLING
C/W CHILLED WATER CIRCULATOR AND 24V ZONE VALVE OUTPUT
2 STAGE HEATING
C/W HOT WATER CIRCULATOR AND 24V ZONE VALVE OUTPUT
1 STAGE CHILLED WATER COOLING
C/W CHILLED WATER CIRCULATOR AND 24V ZONE VALVE OUTPUT
2 STAGE HEATING
C/W HOT WATER CIRCULATOR AND 24V ZONE VALVE OUTPUT
Heating
Circulator
Z1 C H1 X2 X1
C
C
E
W2
C
R
Y2 Y1
G
W1 W2 C
R Y2 Y1 D O/B
G
AUXILIARY RELAY
(HEATING)
THERMOSTAT
A3
A2
A1
L
N
W1
Chilled water
Circulator
24v Cooling
Relay for
Cooling
24v Heating
24v
C
24v
Relay for
Heating
Heating
Circulator
Z1 C H1 X2 X1
C
C
E
W2
C
R
Y2 Y1
G
W1 W2 C
R Y2 Y1 D O/B
G
AUXILIARY RELAY
(HEATING)
THERMOSTAT
A3
A2
A1
L
N
W1
Chilled water
Circulator
24v Cooling
Relay for
Cooling
24v Heating
24v
C
24v
Relay for
Heating
Energy Saving Products 12615-124 Street, Edmonton, AB T5L-0N8
ESP315.07
CHILLED WATER WIRING
2 stage chilled water cooling c/w chilled water
circulator and 24v zone valve output
2 stage heating c/w hot water
circulator and 24v valve output
1 stage chilled water cooling c/w chilled water
circulator and 24v zone valve output
2 stage heating c/w hot water
circulator and 24v valve output