IBC AHU 800 User Manual

2.8.10 Wiring two-stage cooling with a tankless water heater as a heat source 49
49
2.8.11 Wiring single-stage heat pump with a tankless water heater as a backup 50
50
2.8.12 Wiring two-stage heat pump with a tankless water heater as a backup 52
52
2.8.13 Wiring make-up air with a boiler or a combi as a heat source 54
54
3.0 Before operating the air handler 57
4.0 Operation 59
4.1 Sequence of operation 59
4.2 Status indicators 60
4.3 Operating the air handler using the IBCconnect app 61
4.3.1 Connecting the IBCconnect app 61
4.3.2 Operational settings in the app 64
4.3.3 Programming the air handler 69
4.4 Configuring settings and parameters via a USB text file 71
5.0 Service and maintenance 73
5.1 Maintenance checklist for owners 73
5.2 Maintenance checklist for service contractor 73
5.3 Maintenance for the heating contractor 73
5.3.1 Removing the fan assembly 73
5.3.2 Replacing the heating coil in the air handler 76
5.3.3 Replacing the control board 78
5.4 Temperature sensors 80
6.0 Troubleshooting 82
6.1 Using the IBCconnect app to troubleshoot the AHU 82
6.2 Warning / fault codes 82
6.3 Measuring voltage on AHU boards 84
6.4 Pump not energized 84
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IBC AHU 800 Specifications

General

Brand	IBC
Model	AHU 800
Category	Air Handlers
Language	English