UTICA BOILERS UB95M-200 Installation, Operation & Maintenance Manual page 33

APPENDIX A - BOILER PIPING AND WIRING
SWITCH LEGEND
Yellow L
24VAC
Yellow
N
L
Black
LINE
IN
White
N
120 VAC
N L
AZ-4CP
Boiler Control Panel
CH T1 L1
CH T2 L2
DHW T1 CH C1
DHW T2 CH C2
A1 DHW C1
A2 DHW C2
N
120 VAC
L
ON
OFF
ARGO AZ-4CP
CONTROL
X X
STATUS
PRIORITY ON
PRIMARY PUMP
PRIORITY PUMP
X-X CONTACT
ZR ON
PRIMARY PRIORITY
FROM BOILER
PUMP PUMP
N L N L ZR ZC
PRI ZONE
1
DWH
CIRCULATOR
MOTOR
1
CH
CIRCULATOR
33
INDIRECT WATER
TANK
HEATER AQUASTAT
CONTROL
OR THERMOSTAT
T-STAT
T T T T T T
ON
ZC ON
OPTION SWITCH
ZONE 2
ZONE 3
2 3 4 1 2 3 4 1 2 3 4
JUMPER
1
2
END
3
SWITCH
DO NOT USE
2 3 4
4 WIRE ZONE
VALVE ONLY
T-STAT
T T
ZONE VALVE/PUMP
PRIORITY
ZR-ZC
DPM-2
ZONE 4
1 2 3 4
Note: Install
wire jumper
between
terminals 3
and 4 when
using zone
valves
END
without an
MOTOR
SWITCH
end switch.