—43—
INDEX
Air quantity limits
26
Altitude compensation 9
Burner spark gap 34
Changeover set points 17, 18
Charging chart, refrigerant 32
Clearance 5,6
CO
2
sensor
Configuration 20
Settings 19, 20
Combustion blower wheel 29
Compressor
Lockout 15, 33
Lubrication 30
Mounting 22
Rotation 22
Concentric duct 8
Condensate drain
Cleaning 30
Location 8, 9
Condenser coil 7
Cleaning 29
Condenser fan 7
Adjustment 31, 32
Control circuit
Wiring 10
Convenience outlet 11
Crankcase heater 23, 33
Demand ventilation control 19
Dehumidification 20
Dimensions 2, 3, 5, 6
Ductwork 8
EconoMi$erIV 14-20
Control mode 16
Controller wiring 16
Damper movement 19
Demand ventilation control 19
Dry bulb changeover 16
Enthalpy changeover 16
Troubleshooting 38, 39, 42
Usage 17
Wiring 16
Electrical connections 10
Electrical data 12
Enthalpy changeover set points 18
Error codes 41
Evaporator coil 7
Cleaning 29
Evaporator fan motor
Efficiency 27
Lubrication 30
Motor data 27
Performance 23-26
Pulley adjustment 30
Pulley setting 27
Speed 7
Filter
Cleaning 30
Size 7
Filter drier 33
Flue collector box 28
Flue gas passageways 28
Flue hood 8
Freeze protection thermostat 7, 33
Gas connection 7
Gas input 7
Gas piping 10
Gas pressure 1, 10
Heat anticipator settings 7, 10
Heat exchanger 7
High-pressure switch 7, 33
Hinged access doors 34
Horizontal adapter roof curb 3
Humidistat 21
Indoor air quality sensor 18
Integrated gas controller
Error codes 41
Liquid propane 9
Low-pressure switch 7, 33
Main burners 9, 28, 33
Manual outdoor air damper 11
Motormaster® I control 13, 14
Motormaster V control 13-15
Mounting
Compressor 22
Unit 3
Natural gas 7, 32
Non-fused disconnect 10, 11
Operating sequence 28
Cooling 28
EconoMi$erIV 28
Heating 28
Outdoor air hood 11, 13
Outdoor air temperature sensor 15
Outdoor air inlet screens
Cleaning 30
Dimensions 7
Perfect Humidity™
dehumidification 21, 22, 26, 32, 40
Physical data 7
Power supply 10
Wiring 11
Pressure, drop
Economizer 26
Perfect Humidity 26
Pressure switches
High pressure 7
Low pressure 7
Refrigerant
Charge 32
Type 7
Refrigerant service ports 22
Replacement parts 33
Return air filter 7, 23
Return air temperature sensor 17
Rigging unit 3, 4
Roof curb
Assembly 1
Dimensions 2, 3
Leveling tolerances 2
Weight 7
Safety considerations 1
Service 28-37
Start-up 22-28
Start-up checklist CL-1
Supply-air temperature sensor 15
Thermostat 11
Troubleshooting 38-42
Weight
Corner 5, 6
EconoMi$erIV 5-7
Maximum 4
Unit 5-7
Wind baffle 8, 13, 14
Wiring
EconoMi$erIV 16
Humidistat 21
Non-fused disconnect 11
Power connections 11
Thermostat 11
Unit 35, 36
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