Loading ...
Loading ...
Loading ...
Part number 550-100-325/0419
60
AquaBalance
®
Series 2 Wall Mount Gas-fired Water Boiler – Boiler Manual
26 Wiring diagram — AquaBalance
®
-155H Heating Only Ladder
Figure 78 AquaBalance
®
Legend
16 Fan
32 Central heating pump (not included)
44 Combination gas valve
72 Room thermostat (not included)
81 Ignition electrode
104(1) Fuse 3.15A
104(1) Fuse 630mA
114 Water pressure switch
130 DHW pump (not included)
138 Outdoor sensor
143 DHW tank thermostat (not included)
186 Return temperature sensor
191 Exhaust temperature sensor
278 Double sensor (heating + safety)
279 Transformer 115-24 VAC
284 Relay SPST-Coil 24 VAC
370 LWCO (not included)
373 “OPENTHERM” communication (Not used)
cod. 3541M950
LN
NOTES:
1. All wiring must be installed in
accordance with N.E.C. and
any other national state or local
requirements.
2. Room thermostat should be
a dry contact type and should
draw power from the control
board: should not be greater
than 24 VAC and 500 mA.
3. Terminals 1 & 2 are powered
with 120 VAC for LWCO. Com-
bined current draw for LWCO,
Boiler and DHW Pumps should
not exceed 3 Amps Max.
4. In case of questions during
installation please contact W-M
Tech Services.
Loading ...
Loading ...
Loading ...