American Standard GRWF130A94A0A Installation Manual page 43

Option 5 - Field Installed Room
Thermostat, Orange J2 jumper removed,
Yellow J5 jumper removed
External
Limits
(e.g., LWCO)
120 VAC Power
(Field Supplied)
(Field Wiring)
G
L1 N
(HV)
1 2 3 5 6
4
L N
LWCO
POWER
J1
Remove J1 if
External Limit
is Connected
Option 6 - Field Installed Room
Thermostat, Orange J2 jumper removed,
Blue J4 jumper removed, Yellow J5
jumper removed
External
Limits
(e.g., LWCO)
120 VAC Power
(Field Supplied)
(Field Wiring)
G
L1 N
(HV)
1 2 3 5 6
4
L N
LWCO
POWER
J1
Remove J1 if
External Limit
is Connected
Circ Pump
(Field Supplied)
G
L1
N
7 8 9
10 11
13 14 15 16 17 18
12
L N
J2
PUMP
(ORANGE)
J2
Removed
Circ Pump
(Field Supplied)
G
L1
N
7 8
9 10 11
13 14 15 16 17 18
12
L N
J2
PUMP
(ORANGE)
J2
Removed
System Configuration
1. Pump Runs on Call from Room Thermostat OR
if Water Temperature is Above Supply Water
Thermostat setting
2. Burner Cycles with Supply Water Thermostat
during Call from Room Thermostat. Burner
Operation is Prevented when Room Thermostat
is Satisfied
Setup
1. Remove Orange J2 jumper
2. Remove Yellow J5 jumper
External Limits (where required)
1. Remove Black J1 jumper
2. Connect External Limit to 5 & 6 Terminals
19 20 21 22
J4
T T
(BLUE)
J4
Room Thermostat
(Field Supplied)
System Configuration
1. Pump Runs off Room Thermostat
2. Burner Cycles with Supply Water Thermostat
during Call from Room Thermostat; Burner
Operation is Prevented when Room Thermostat
is Satisfied
Setup
1. Remove Orange J2 jumper
2. Remove Blue J4 jumper
3. Remove Yellow J5 jumper
External Limits (where required)
1. Remove Black J1 jumper
2. Connect External Limit to 5 & 6 Terminals
19 20 21 22
J4
T T
(BLUE)
J4
Removed
Room Thermostat
(Field Supplied)
(LV)
23 24
J5
(YELLOW)
J5
Removed
(LV)
23 24
J5
(YELLOW)
J5
Removed
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