Trane IntelliPak 2 Series Installation, Operation And Maintenance Manual page 5

Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Hot Water Heat . . . . . . . . . . . . . . . . . . . . . . 61
Steam Heat . . . . . . . . . . . . . . . . . . . . . . . . . 61
O/A Pressure Sensor and Tubing
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Condensate Drain Connections. . . . . . . . 61
Units with Gas Furnace . . . . . . . . . . . . . . . 61
Removing Compressor Assembly
Shipping Hardware . . . . . . . . . . . . . . . . . . 61
Removing Supply and Exhaust Fan
Shipping Channels . . . . . . . . . . . . . . . . . . 61
Remove Evaporative Condenser Fan
Shipping Brackets. . . . . . . . . . . . . . . . . . . . 62
O/A Sensor and Tubing
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Evaporative-Cooled Condenser
Make-up Water and Drain Line
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Gas Heat Units . . . . . . . . . . . . . . . . . . . . . . . 65
General Coil Piping and Connection
Recommendations . . . . . . . . . . . . . . . . . . . 69
Disconnect Switch with External
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Electric Heat Units . . . . . . . . . . . . . . . . . . . 73
Main Unit Power Wiring . . . . . . . . . . . . . . 73
Electrical Service Sizing . . . . . . . . . . . . . . 76
Field Installed Control Wiring . . . . . . . . . 80
Controls using 24 VAC. . . . . . . . . . . . . . . . 80
Controls using DC Analog Input/
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Constant Volume System
Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Variable Air Volume System
Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Constant Volume or Variable Air
Volume System Controls . . . . . . . . . . . . . 81
Single Zone Variable Air Volume &
Rapid Restart System Control . . . . . . . . . 82
Emergency Override . . . . . . . . . . . . . . . . . 82
Ventilation Override Module
(VOM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Temperature vs. Resistance
Coefficient. . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Emergency Stop Input. . . . . . . . . . . . . . . . 84
External Stop Input. . . . . . . . . . . . . . . . . . . 85
Occupied/Unoccupied Contacts . . . . . . . 85
Demand Limit Relay. . . . . . . . . . . . . . . . . . 85
RT-SVX24Q-EN
Outside Air Sensor
(BAYSENS016*) . . . . . . . . . . . . . . . . . . . . . 85
Generic Building Automation
System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Unit Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Sequence of Operation. . . . . . . . . . . . . . . . . . . 92
Cooling Sequence of Operation . . . . . . . 92
Compressor Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Units with Evaporative Condenser
Sequence of Operation . . . . . . . . . . . . . . . 93
Low Charge Protection . . . . . . . . . . . . . . . 97
Frostat™ Control. . . . . . . . . . . . . . . . . . . . . 97
Lead/Lag Operation . . . . . . . . . . . . . . . . . . 97
Units Equipped with 100%
Modulating Exhaust . . . . . . . . . . . . . . . . . . 98
Modulating Hot Gas Reheat
Sequence of Operation . . . . . . . . . . . . . . . 98
Energy Recovery Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Gas Heating Sequence of Operation
Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Modulating Gas Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Electric Heat Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Demand Control Ventilation
Sequence of Operation . . . . . . . . . . . . . . 103
Return Fan Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Hydronic Heat Sequence of
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Startup the Unit. . . . . . . . . . . . . . . . . . . . . 104
Performance Data . . . . . . . . . . . . . . . . . . . . . . 115
Supply Fan (with or without Variable
Frequency Drive). . . . . . . . . . . . . . . . . . . . 115
Airside Pressure Drop - Standard
Evaporator Coil . . . . . . . . . . . . . . . . . . . . . 117
Exhaust Fan (with or without Energy
Recovery Wheel) . . . . . . . . . . . . . . . . . . . . 119
Return Fan (with or without Energy
Recovery Wheel) . . . . . . . . . . . . . . . . . . . . 120
Component Static Pressure
Drops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Pressure Curves . . . . . . . . . . . . . . . . . . . . . . . . 128
(60 Hz) Air-Cooled Condensers . . . . . . . 128
T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s
5