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INDEX
Access panels
24
Barometric flow capacity 25
Charging chart, refrigerant 58-61
Clearance 2, 5, 6
CO
2
sensor
Configuration 30
Settings 28, 30
Compressor
Lubrication 57
Mounting 54
Rotation 54
Condensate drain
Cleaning 56
Location 2, 4
Condenser coil 7, 8
Cleaning 56
Condenser fan 7, 8
Adjustment 57
Control circuit
Wiring 9, 22
Wiring raceway 22
Convenience outlet 22
Demand ventilation control 29
Dimensions 5, 6
Ductwork 1, 2
EconoMi$er IV 23-30
Adjustment 57
Components 24
Control mode 26
Damper movement 29
Inputs and outputs 65
Troubleshooting 61, 62
Wiring 25
Electrical connections 9
Electrical data 10-21
Enthalpy changeover set points 28
Evaporator coil 7, 8
Cleaning 56
Evaporator fan motor 7, 8, 32-53
Lubrication 67
Motor data 33
Performance 34-53
Pulley adjustment 31
Pulley setting 7, 8, 32
Speed 7, 8
Factory-installed options
Convenience outlet 22
EconoMi$er IV 23-30
Manual outdoor air damper 22
Filter
Cleaning 56
Installation 24
Size 7, 8
Freeze protection thermostat 7, 8, 58
High flow valves 56
High pressure switch 7, 8, 58
Horizontal units 1
Indoor air quality sensor 27
Low pressure switch 7, 8, 58
Manual outdoor air damper 22, 57
Mounting
Compressor 54
Unit 2
Operating sequence
Cooling 55
EconoMi$er IV 55
Heating 55
Outdoor air hood 23, 24
Outdoor air temperature sensor 25
Physical data 7, 8
Power supply
Wiring
9
Pressure, drop
EconoMi$er IV 32
Pressure switches
High pressure 7, 8
Low pressure 7, 8
Pre-Start-Up 54
Refrigerant
Charge 7, 8, 57
Type 7, 8
Refrigerant service ports 54
Replacement parts 58
Return air filter 7, 8, 54
Return air temperature sensor 27
Rigging unit 2, 4
Roof curb
Assembly 1
Dimensions 3
Connector package 3
Leveling tolerances 4
Weight 7, 8
Safety considerations 1
Safety relief 55
Service 56-61
Service ports 54
Slab mount 1
Start-up 54, 55
Start-up checklist CL-1
Supply-air temperature sensor 25
Thermostat 9, 22
Troubleshooting 61-65
Ventilation 55
Weight
Corner 5, 6
EconoMi$er IV 5-8
Unit 5-8
Wiring
EconoMi$er IV 25
Power connections 9
Thermostat 22
Unit 63