Honeywell AQ25A Series Technical Reference Booklet page 57

Programmable boiler control panels
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TO BOILER
TERMINALS 11-12
ON TOP OF AQ15200B
CONTROL MODULE
L8124, L7224
T
T
2
B2
G
L2
L1
C2
C1
L2
1
L1
BOILER
(HOT)
PUMP
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
DO NOT WIRE THE BOILER LOOP CIRCULATOR TO THE AQUASTAT'S C1/C2 TERMINALS; IT MUST BE CONNECTED TO THE BOILER PUMP TERMINALS
ON THE BOTTOM OF THE AQ15000B CONTROL MODULE WHEN MAINTAINING A MINIMUM BOILER TEMPERATURE (WITH A TRIPLE FUNCTION AQUASTAT).
TO BOILER TERMINALS
TO LINE VOLTAGE 120V
11 AND 12 ON TOP OF
TERMINALS (N AND L) ON
AQ15000B CONTROL MODULE
BOTTOM OF TRANSFORMER
L8124, L7224
T
T
2
G
L2
L1
C2
B2
C1
L2
1
L1
(HOT)
BOILER
PUMP
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
FOR INSTALLATIONS USING A TRIPLE FUNCTION AQUASTAT, NOTE THAT THE FACTORY-INSTALLED JUMPER BETWEEN THE ZR AND ZC TERMINALS
MUST BE REMOVED. THE ZR AND ZC TERMINALS ON THE AQ15000B CONTROL MODULE MUST BE WIRED TO THE ZR AND ZC TERMINALS,
RESPECTIVELY, OF THE TRIPLE AQUASTAT.
Fig. 15. Line Voltage Connections for AQ250 using triple function Aquastat.
ZC
ZR
FROM LINE
B1
VOLTAGE 120V
TERMINALS
(N AND L) ON
BOTTOM OF
TRANSFORMER
R8184
T
T
BLACK
Fig. 14. Line Voltage Connections for AQ250.
N L
ZC
ZR
B1
R8184
T
T
BLACK
11
AQ250 SERIES HYDRONIC CONTROL PANELS
JUMPERED
AT FACTORY
TO AUXILIARY DEVICE
(INSTALLER-DEFINED)
F
C554
F
ORANGE
BURNER AND
IGNITION
TO AUXILIARY DEVICE
(INSTALLER-DEFINED)
F
C554
F
ORANGE
BURNER AND
IGNITION
M29039A
M29040A
68-0306—02

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