AAON HB-005 - Manual (Page 2)

2
1. Description ………………………………... 3 Thermostat
Important Safety Information Economizer Option
Package Unit Orientation Return Air Bypass Option
Air Handling Unit Orientation Modulating Hot Gas Reheat
Gas Piping
2. Model Number Description ....………….. 6 Condensate Piping
Unit Model Number
6. Start-Up …………………………….. 23
3. User’s Information ……….....…………… 7 General
DX Cooling Units (and Remote Cond. Units) Procedures
Hydronic Cooling & Heating Air Balancing
Gas or Electric Heating Water Balancing
Filter Sizes Controls
Multiple Unit Operation
Wiring Diagrams 7. Operation & Maintenance ……….. 26
Condensate Piping General
Normal Thermostat Operation Maintenance Schedule
Night and Vacancy Operation Cooling
Gas Heating System Condenser Fan
Hot Gas Reheat & Hot Gas Bypass System Blower Assembly
Filter Sizes Heating Sequence
Cabinet Construction Chilled Water
Filters
4. Delivery ……………………………………. 10 Cleaning
Receipt & Inspection Service
Storage
8. Hot Gas Bypass (External) …..….. 28
5. Installation ………………………………… 10
General 9. Hot Gas Reheat (Modulating) …... 28
Codes & Ordinances
Handling 10. Pressure-Temperature Chart …… 31
Heating and Cooling Systems
Service & Installation Clearances
Setting the Unit
Electrical
Standard Control Board
Optional Control Board
Optional Control Board
Owner should pay particular attention to the words: NOTE, CAUTION, and WARNING. NOTES are
intended to clarify or make the installation easier. CAUTIONS are given to prevent equipment damage.
WARNINGS are given to alert owner that personal injury and/or equipment damage may result if installation
is not handled properly.
Contents
Table Index: Figure Index
4.1
5.1
9.1
16.1
16.2
16.3
21.1
21.2
27.1
Package Unit Dimensions
AHU Dimensions
Filter Sizes
Blink Codes: Standard Board
Blink Codes: Optional Board
Low Voltage Wiring Sizes
Minimum Gas Piping Sizes
Gas Piping Support Intervals
Filter Sizes 4a
5a
7a
8a
9a
9b
12a
12b
12c
Pkg. Unit Orientation
AHU Orientation
Piping Chase Location
Heat Exchangers
MHGRH+HGBP System
Foam Panel (HPCP)
Service Clearances
Airflow Clearances
Other Clearances 13a
14a
15a
18a
20a
22a
26a
27a
28a Removing Shipping Brackets
Lifting Lugs and Outside Air Hood
Power and Control Wiring
External Control Inputs to Control Board
Reheated Supply Air Temperature
Gas Piping
Blower Section
Filter Section
Hot Gas Reheat System