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INDEX
Air quality limits
33
Altitude compensation 12
Burner section 12
Burner spark gap 39
Charging chart, refrigerant 37
Clearance 6-8
CO
2
sensor
Configuration 23
Settings 22, 23
Combustion blower wheel 34
Compressor
Lockout 18, 38
Lubrication 35
Mounting 26
Rotation 26
Concentric duct 11
Condensate drain
Cleaning 35
Location 11, 12
Condenser coil 9
Cleaning 35
Condenser fan 9
Adjustment 36, 37
Control circuit
Wiring 13
Convenience outlet 14
Crankcase heater 26, 38
Demand control ventilation 22
Dehumidification 23
Dimensions 2-4, 6-8
Ductwork 11
EconoMi$erIV 18-23
Control mode 19
Controller wiring 19
Damper movement 22
Demand ventilation control 22
Dry bulb changeover 19
Troubleshooting 43, 47
Usage 20
Wiring 19
Electrical connections 13
Electrical data 15
Enthalpy changeover set points 21
Error codes 46
Evaporator coil 9
Cleaning 34
Evaporator fan motor
Efficiency 33
Lubrication 35
Motor data 33
Performance 27-32
Pulley adjustment 35, 36
Pulley setting 9, 33
Speed 9
Filter
Cleaning 35
Size 10
Filter drier 38
Flue collector box 34
Flue gas passageways 34
Flue hood 11
Freeze protection thermostat 10, 38
Gas connection 10
Gas input 10
Gas piping 13, 26
Gas pressure 1, 10
Heat anticipator settings 10, 13
High-pressure switch 10, 38
Hinged access doors 38
Horizontal adapter roof curb 4
Humidistat 24
Indoor air quality sensor 21
Integrated gas controller
Error codes 46
Liquid propane 10, 12
Low-pressure switch 10, 38
Main burners 34, 37
Manual outdoor air damper 15
Motormaster® I control 16, 17
Motormaster V control 17, 18
Mounting
Compressor 26
Unit 4
Natural gas 10, 37
Non-fused disconnect 13, 14
Operating limits 17
Operating sequence 34
Cooling 34
EconoMi$erIV 34
Heating 34
Outdoor air hood 15, 16
Outdoor air inlet screens
Cleaning 35
Dimensions 10
Outdoor air temperature sensor 18
Perfect Humidity™ dehumidification
package 24, 25, 37, 44
Physical data 9, 10
Power exhaust 10
Power supply 13
Wiring 14
Pressure, drop
EconoMi$erIV 33
Pressure switches
High pressure 10
Low pressure 10
Refrigerant
Charge 36
Type 9
Refrigerant service ports 26
Replacement parts 38
Return air filter 10, 26
Return air temperature sensor 20
Rigging unit 4, 5
Roof curb
Assembly 1
Dimensions 2-4
Leveling tolerances 2, 3
Safety considerations 1
Service 34-42
Service ports 26
Start-up 26-34
Start-up checklist CL-1
Supply-air temperature sensor 18
Thermostat 14
Troubleshooting 43-47
Weight
Corner
6-8
EconoMi$erIV 6-9
Maximum 5
Unit 6-9
Wind baffle 11, 16, 17
Wiring
EconoMi$erIV 19
Humidistat 24
Power connections 14
Thermostat 14
Unit 40, 41