Contents
5151 San Felipe, Suite 500, Houston, TX
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION
IO-357A
3/10
Index
TO THE INSTALLER
REPLACEMENT PARTS
SAFETY INSTRUCTIONS
UNIT LOCATION
CARBON MONOXIDE POISONING HAZARD
Rooftop Installation
GENERAL INFORMATION
Outside Slab Installation
Roof Curb Installation
Inlet Gas Pressure
RIGGING DETAILS
GAS PIPING
Rigging
Natural Gas Connection
Proper Piping Practice
Typical Propane Gas Piping
ELECTRICAL WIRING
PROPANE GAS INSTALLATIONS
Table 3 - Propane Gas Pipe Sizing
Electrical Power Directly To Junction Box
Low Voltage Wiring
Typical Electrical Wiring Unit Voltage
Electrical Power Routed Through Bottom of Unit
Horizontal Air Flow Applies to 3 phase models
CIRCULATING AIR AND FILTERS
Typical Thermostat and Unit 24 V Wiring Hookup
Duct Cover Installation
CONDENSATE DRAIN
STARTUP, ADJUSTMENTS, AND CHECKS
VENTING
NORMAL SEQUENCES OF OPERATION
Rollout Protection on Burner Bracket
INLET
OUTLET
Secondary Limit Control
White-RodgersModel 36G22
OUTLET
INLET
Honeywell Model VR8215 Single-Stage
Gas Input Natural Gas Only Check
Temperature Rise Check
Blower Speed Adjustments
Main Burner Flame Check
Control Board Top
TROUBLESHOOTING
Cooling Operation
Unit Shutdown
Pressure Switch Stuck Closed
MAINTENANCE
Pressure Switch Stuck Open
Short Cycle Compressor Delay
Burner Flame
Manifold Assembly
Flame Sensor
ACCESSORIES AND FUNCTIONAL PARTS
FUNCTIONAL PARTS
BLOWER PERFORMANCE DATA - SINGLE PHASE
BLOWER PERFORMANCE DATA - SINGLE PHASE
REMOVED AA & USED A
BLOWER PERFORMANCE DATA - SINGLE PHASE
PG1348070M41A* - Rise Range
BLOWER PERFORMANCE DATA - SINGLE PHASE
PG136090M41A* - Rise Range
GPG1336090M43A* - Rise Range
GPG1336***M43A* - COOLING SPEEDS
IGNITION CONTROL DIAGNOSTIC INDICATOR CHART
HEATING TIMING CHART
COOLING TIMING CHART
Light Signal
POWER WIRE ENTRANCE CONTROL WIRE ENTRANCE
APPENDIX UNIT DIMENSIONS
HEAT EXCHANGE ACCESS PANEL
EXHAUST FLUE HOOD BLOWER ACCESS PANEL
PG1324,30,36,421** WIRING DIAGRAM
0140G01233 REV. A
THC-FIELDWIRING
PG1324,30,36,421** WIRING DIAGRAM
INSTALLER/SERVICEMAN
0140G01233 REV. A
PG1348,601** WIRING DIAGRAM
PG1348,601** WIRING DIAGRAM
0140G01234 REV A
GPG13363** WIRING DIAGRAM
NOTE 4 E
GPG13363** WIRING DIAGRAM
NOTE 3 CH
RD RD
GPG1348,603** WIRING DIAGRAM
BL BL BL
GPG1348,603** WIRING DIAGRAM
INSTALLER/SERVICEMAN
UNIT
MINIMUM CLEARANCES
RECOMMENDED FILTER SIZES
2 Ton
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