IBC AHU 800 User Manual

2.5 Connecting the appliance to a tankless water heater 29
2.6 Cold Air Sentry (a.k.a. Freeze Protection) 31
2.7 Electrical connections 31
2.7.1 Thermostat connections 32
2.7.2 Wiring of the external pump and 120VAC line 34
2.7.3 Connecting line voltage 35
2.8 Worked examples 35
2.8.1 Wiring single-stage heating with a boiler or combi boiler 37
37
2.8.2 Wiring single-stage heating with a tankless water heater as a heat source 38
38
2.8.3 Wiring single-stage heating with boiler or combi boiler, and single-stage
cooling 39
39
2.8.4 Wiring two-stage cooling with a boiler or combi boiler heating using a 2-
stage thermostat 40
40
2.8.5 Wiring single-stage heat pump with a boiler or combi boiler as backup 41
41
2.8.6 Wiring single-stage heat pump with a boiler or combi boiler as backup
(emergency heat on T-stat) 43
43
2.8.7 Wiring two-stage heat pump with a boiler or combi boiler as backup (2-
stage thermostat) 45
45
2.8.8 Wiring two-stage heat pump (2-stage thermostat) 47
47
2.8.9 Wiring single-stage heating, single-stage cooling, with the tankless water
heater as the heat source 48
48
2
Section: Contents

IBC AHU 800 Specifications

General

Brand	IBC
Model	AHU 800
Category	Air Handlers
Language	English