2.8.8 Wiring two-stage heat pump (2-stage
thermostat)
Required if the boiler or the combi boiler does not have control of the pump
Optional: 'G' for fan-only operation and 'C' for t-stat common
The reversing valve operation is selectable with the AHU app: default setting energizes O/B
terminal during cooling
Required: outdoor sensor for balance point control of backup heat source is available
separately as IBC outdoor sensor
Required: sensors for cooling applications are available separately as IBC A/C sensor kit
Figure 43
Two-stage heat pump (2-stage thermostat) wiring
Settings in the IBCconnect app
1. Tap
(menu icon), and select
Basic Settings
.
2. Set
Heat Mode
to
Stg 2 HP
.
3. Set
Cool Mode
to
2 Stage HP
.
4. Set
Boiler Heating
to
None
.
5. Tap
(SAVE).
47
2.8.8 Wiring two-stage heat pump (2-stage thermostat)
Summary of Contents for AHU 800
Page 44: ...5 Set Tankless Mode to Off 6 Tap SAVE 42 Section Installation...
Page 53: ...5 Set Tankless Mode to On 6 Tap SAVE 51...
Page 55: ...5 Set Tankless Mode to On 6 Tap SAVE 53...
Page 57: ...7 Set FA Damper Open T F to lowest Fresh Air temperature 8 Tap SAVE 55...
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Page 88: ...7 Air handling appliance parts diagram 86 Section Air handling appliance parts diagram...
Page 90: ...88 Section Air handling appliance parts diagram...