D
3
G
H
0
6
0
2
8
N
NOMENCLATURE
PRODUCT GENERATION
3 = 3rd Generation
PRODUCT CATEGORY
D = Single Package Air Conditioner
PRODUCT IDENTIFIER
GH = Gas / Electric
VOLTAGE CODE
06 = 208/230-1-60
NOMINAL COOLING
CAPACITY
018 = 1
1
⁄
2
Ton
024 = 2 Ton
030 = 2
1
⁄
2
Ton
036 = 3 Ton
FACTORY
INSTALLED GAS HEAT
N = Natural Gas Heat Installed
0
2
4
NOMINAL GAS HEATING
OUTPUT CAPACITY
028 = 28 MBH
042 = 42 MBH
060 = 60 MBH
070 = 70 MBH
General.............................................................................
1
Inspection .........................................................................
1
Renewal Parts..................................................................
1
Approvals .........................................................................
1
Nomenclature...................................................................
2
INSTALLATION
Limitations ........................................................................
3
Location............................................................................
3
Rigging and Handling.......................................................
3
Clearances .......................................................................
3
Ductwork ..........................................................................
3
Filters................................................................................
4
Condensate Drain ............................................................
4
Service Access.................................................................
4
Thermostat .......................................................................
4
Power and Control Wiring ................................................
4
Compressors....................................................................
5
Combustion Discharge.....................................................
5
Gas Piping........................................................................
5
Gas Connection ...............................................................
5
Low NOx Application........................................................
6
Flue Vent Hoods ..............................................................
6
SEQUENCE OF OPERATION
Heating .............................................................................
8
Cooling .............................................................................
8
START-UP
Pre-start Check List..........................................................
8
Operating Instructions ......................................................
9
To Turn Off Gas To Unit ..................................................
9
Post-Start Check List .......................................................
9
Manifold Gas Pressure Adjustment .................................
9
Burner Instructions ...........................................................
9
Hot Surface Ignitor Instructions ....................................... 10
Remote Sensor Instructions ............................................ 10
Adjustment of Temperature Rise..................................... 10
Checking Gas Input ......................................................... 10
Secure Owner’s Approval ................................................ 10
MAINTENANCE
Normal Maintenance........................................................ 11
Cleaning Flue Passages and Heating Elements............. 11
TABLES
No. Description Page
1
Units Application Data .................................
3
2
Natural Gas Application Data......................
5
3
LP Gas Application Data .............................
5
4
Natural Gas Pipe Sizing ..............................
5
5
LP Gas Pipe Sizing .....................................
5
6
Physical Data...............................................
6
7
Electrical Data .............................................
6
8
Gas Rate - Cubic Feet Per Hour ................. 10
FIGURES
No. Description Page
1
Center of Gravity .........................................
3
2
Field Wiring Diagram...................................
4
3
External Supply Connection ........................
5
4
Flue Vent Hood............................................
6
5
Dimensions and Clearances .......................
7
6
Gas Valves ..................................................
9
TABLE OF CONTENTS
530.44-N5Y
2
Unitary Products Group
