IBC AHU 800, Installation & Operating Manual

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2.8.1 Wiring single-stage heating with a
boiler or combi boiler
Required if the boiler or combi does not have control of the pump.
Optional: 'G' for fan-only operation and 'C' for t-stat common.
Dry contact from the air handler to the boiler or combi boiler enables a call for heat.
Figure 36 Single-stage heating with a boiler or combi boiler wiring
Settings in the IBCconnect app
1. Tap
(menu icon), and select Basic Settings .
2. Set Heat Mode to 1 Stage Heat .
3. Set Cool Mode to No Cooling .
4. Set Boiler Heating to Boiler Only .
5. Set Tankless Mode to On .
6. Tap
(SAVE).
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2.8.1 Wiring single-stage heating with a boiler or combi boiler