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AHU 800
IBC AHU 800 User Manual
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5.
Remove
the
bolts
and
washers
securing
the
fan
to
the
air
handler.
6.
Tilt
up
the
front
edge
of
the
fan
and
slide
it
out.
7.
When
installing
the
new
fan,
ensure
that
the
back
edge
of
the
fan
base
slides
into
the
tabs.
8.
Reinstall
components
in
the
reverse
order.
Note
When
you
install
the
replacement
fan
assembly:
Ensure
that
you
install
the
fan
assembly,
so
that
the
fan
cables
can
reach
the
control
board,
that
is,
the
cables
are
positioned
towards
the
front
left
of
the
fan
assembly.
Reinsert
the
split
fan
grommet
correctly.
See
images
below.
Note
large
and
small
holes.
75
5.3.1
Removing
the
fan
assembly
76
78
Table of Contents
Table of Contents
3
Safety Information
7
Specifications
9
Heating Capacity
10
Cabinet and Air Supply Dimensions
12
Dimensions for the AHU 800 Model
12
Dimensions for the AHU 1200 LV and AHU 1200 Models
13
Dimensions for the AHU 1600 and AHU 2000 LV Models
15
Introduction
17
Standard Features and Benefits
19
Conformity
20
Installation
21
Locating the Appliance
21
Conditioned Space
21
Un-Conditioned Space
21
New Construction
21
Mobile Home
21
Closet
21
Garage
22
Serviceability
23
Positioning and Mounting the Appliance
23
Return Air Openings for Ducting
23
Positioning the Air Handling Unit
24
Adding Air Conditioning Coils or Heat Pump Coils
24
Mounting an Appliance on the Wall
25
Repositioning the Air Filter Brackets
26
Duct Work
28
Sizing the Ducts
28
Ducting Installed in Conditioned Space
29
Ducting Installed in Un-Conditioned Spaces
29
Making the Return Air Openings
29
Connecting the Appliance to a Boiler
30
Sizing Pumps
30
Using Propylene Glycol
31
Connecting the Appliance to a Tankless Water Heater
31
Cold Air Sentry (A.k.a. Freeze Protection)
33
Electrical Connections
33
Thermostat Connections
34
Wiring of the External Pump and 120VAC Line
36
Connecting Line Voltage
37
Worked Examples
37
Wiring Single-Stage Heating with a Boiler or Combi Boiler
39
Wiring Single-Stage Heating with a Tankless Water Heater as a Heat Source
40
Wiring Single-Stage Heating with Boiler or Combi Boiler, and Single-Stage Cooling
41
Wiring Two-Stage Cooling with a Boiler or Combi Boiler Heating Using a 2-Stage Thermostat
42
Wiring Single-Stage Heat Pump with a Boiler or Combi Boiler as Backup
43
Wiring Single-Stage Heat Pump with a Boiler or Combi Boiler as Backup (Emergency Heat on T-Stat)
45
Wiring Two-Stage Heat Pump with a Boiler or Combi Boiler as Backup (2-Stage Thermostat)
47
Wiring Two-Stage Heat Pump (2-Stage Thermostat)
49
Wiring Single-Stage Heating, Single-Stage Cooling, with the Tankless Water Heater as the Heat Source
50
Wiring Two-Stage Cooling with a Tankless Water Heater as a Heat Source
51
Wiring Single-Stage Heat Pump with a Tankless Water Heater as a Backup
52
Wiring Two-Stage Heat Pump with a Tankless Water Heater as a Backup
54
Wiring Make-Up Air with a Boiler or a Combi as a Heat Source
56
Before Operating the Air Handler
59
Operation
61
Sequence of Operation
61
Status Indicators
62
Operating the Air Handler Using the Ibcconnect App
63
Connecting the Ibcconnect App
63
Operational Settings in the App
66
Programming the Air Handler
71
Configuring Settings and Parameters Via a USB Text File
73
Service and Maintenance
75
Maintenance Checklist for Owners
75
Maintenance Checklist for Service Contractor
75
Maintenance for the Heating Contractor
75
Removing the Fan Assembly
75
Replacing the Heating Coil in the Air Handler
78
Replacing the Control Board
80
Temperature Sensors
82
Troubleshooting
84
Using the Ibcconnect App to Troubleshoot the AHU
84
Warning / Fault Codes
84
Measuring Voltage on AHU Boards
86
Pump Not Energized
86
Troubleshooting the Ibcconnect App
86
Unstable Wifi Connection
86
Wifi Password
87
Ibcconnect Unable to Find Air Handler on the Network
87
Using Built-In Diagnostics
87
Air Handling Appliance - Parts Diagram
88
Appendice: Wiring Diagram
91
Other manuals for IBC AHU 800
Quick Reference Installation Guide
2 pages
Installation And Operating Manual
63 pages
4
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IBC AHU 800 Specifications
General
Brand
IBC
Model
AHU 800
Category
Air Handlers
Language
English
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