American Standard PFWF071A93ABA Installation Manual page 55

Option 3 - Field Installed Room
Thermostat, Orange J2 jumper
removed
External
Limits
(e.g., LWCO)
120 VAC Power
(Field Wiring)
(Field Supplied)
G
L1 N
(HV)
1 2 3 5 6
4
L N
LWCO
POWER
J1
Remove J1 if
External Limit
is Connected
Removed
Option 4 - Field Installed Room
Thermostat, Orange J2 jumper removed,
Blue J4 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
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
Setup
Circ Pump 1. Remove Orange J2 jumper
(Field Supplied)
External Limits (where required)
1. Remove Black J1 jumper
2. Connect External Limit to 5 & 6 Terminals
G
L1
N
7 8
9 10 11
13 14 15 16 17 18
12
L N
J2
PUMP
(ORANGE)
J2
System Configuration
1. Pump Controlled by Room Thermostat
2. Burner Cycles with Supply Water Thermostat
Setup
1. Remove Orange J2 jumper
2. Remove Blue J4 jumper
Circ Pump External Limits (where required)
(Field Supplied)
1. Remove Black J1 jumper
2. Connect External Limit to 5 & 6 Terminals
G
L1
N
7 8
9 10 11
12 13 14 15 16 17 18
L N
J2
PUMP
(ORANGE)
J2
19 20 21 22 23 24
J4 J5
T T
(YELLOW)
(BLUE)
J4 J5
Room Thermostat
(Field Supplied)
19 20 21 22 23 24
J5
J4
T T
(BLUE) (YELLOW)
J5
J4
Removed
Room Thermostat
(Field Supplied)
(LV)
(LV)
18-CG03D1-4
55