User Guide

Part number 550-100-325/0718
53
AquaBalance
®
SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
23 Wiring diagram — AquaBalance
®
80/120H Heating Only Schematic
Figure 71 AquaBalance
®
80/120H –– Heating Only Schematic Wiring Diagram
FRG0
RWC
TT
X0 - 10
X0 - 9
X0 - 8
72
(see note 2)
X3 - 6 X4 - 8 X4 - 17 X4 - 13 X4 - 5 X4 - 4 X4 - 12
191
44
114
X3 - 18
X3 - 16 X3 - 4 X3 - 17 X3 - 5
X3 - 8 X3 - 20 X3 - 7 X3 - 19
X2 - 10 X2 - 4
GROUND
186
278
16
81
GROUND
X3 - 6
X4 - 8
X4 - 17
X4 - 5
X4 - 13
X4 - 12
X2 - 7
X3 - 18
X3 - 5
X3 - 17
X3 - 4
X3 - 16
X3 - 8
X3 - 20
X3 - 7
X3 - 19
X2 - 4
X2 - 10
X2 - 12 X2 - 6 X2 - 1
X4 - 4
X4 - 7
X4 - 1
X1 - 1
X1 - 2
X4 - 3
X4 - 11
X4 - 2
X4 - 10
X3 - 9
X3 - 21
X2 - 5
X2 - 11
GROUND
X2 - 3
X2 - 9
GROUND
GROUND
GROUND
GROUND
370
(see note 3)
X2
112
1324
X3
19 1018
X4
61
12 7
X3 - 9
X3 - 21
X4 - 6 X4 - 15
X1
1
2
X4 - 6
X4 - 15
373
ABM08
120Vac
60Hz
X2 - 5
X2 - 11
X2 - 3
X2 - 9
138
143
32 130
1
M
610
5
X0 - 6
X0 - 1
X0 - 5
X0 - 4
279
284
104 (2)
910111213123 4 5678
104 (1)
X0
.(<
 Fan  Central heating pump (not included)  Combination gas valve  Room thermostat (not included)  Spark Electrode
 Fuse 3.15A  Fuse 630 mA
 Water pressure switch
 D.H.W. Pump (not included)  Outdoor sensor  D.H.W. tank thermostat (not included)  Return temperature sensor  Exhaust temperature sensor  Double sensor (safety + heating)  Transformer 115-24 Vac  Relay SPST-Coil 24 Vac  Low Water Cutoff (not included)  “OPENTHERM” communication
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7HUPLQDO /LQH 7HUPLQDO 1HXWUDO 7HUPLQDO /LQH 7HUPLQDO 1HXWUDO
Only one circulator may be wired to
each connection point. Maximum amp load per pump 3.0 amps.