IBC AHU 800 User Manual

Fan Speed Operation
Voltage
Terminal
Description and Defaults Range (CFM)
W1 Heating stage 1 = 600 CFM 180-1000 (for mode 1 Stage Heat
max = 1200)
W2 Heating stage 2 = 960 CFM 180-1200 (must be ≥ 1 Stage Heat)
Y1 Cooling stage 1 = 840 CFM 180-1000 (for mode 1 Stage AC/HP
max = 1200)
Y2 Cooling stage 2 = 1200 CFM 180-1200 (must be ≥ AC/HP Stage 1)
G Fan on speed = 275 CFM 180-1200
AHU1600
W1 Heating stage 1 = 800 CFM 240-1280 (for mode 1 Stage Heat
max = 1600)
W2 Heating stage 2 = 1280 CFM 240-1600 (must be ≥ 1 Stage Heat)
Y1 Cooling stage 1 = 1120 CFM 240-1280 (for mode 1 Stage AC/HP
max = 1600)
Y2 Cooling stage 2 = 1600 CFM 240-1600 (must be ≥ AC/HP Stage 1)
G Fan on speed = 320 CFM 240-1600
AHU2000 LV
W1 Heating stage 1 = 1000 CFM 240-1600 (for mode 1 Stage Heat
max = 2000)
W2 Heating stage 2 = 1600 CFM 240-2000 (must be ≥ 1 Stage Heat)
Y1 Cooling stage 1 = 1400 CFM 240-1600 (for mode 1 Stage AC/HP
max = 2000)
Y2 Cooling stage 2 = 2000 CFM 240-2000 (must be ≥ AC/HP Stage 1)
G Fan on speed = 400 CFM 240-2000 (must be ≥ AC/HP Stage 1)
Table 14 Fan speed operation
Table 15 Target CFM vs static pressure
4.3.3 Programming the air handler
The IBC factory pre-programs the name of the model in the appliance. You will need to set up the
mode before you can make changes to settings. Settings must be saved by pressing the Save button
after changes are made.
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4.3.3 Programming the air handler

IBC AHU 800 Specifications

General

Brand	IBC
Model	AHU 800
Category	Air Handlers
Language	English