Trane Technologies IntelliPak Signature SCWF - Page 5

SCXF-SVX01T-EN
5
Surface Mounting Inside Panel. . . . . . . . . . 44
Wiring the Time Clock . . . . . . . . . . . . . . . . . 44
Remote Human Interface Panel
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Human Interface (HI) Panel. . . . . . . . . . . . . 44
Remote Human Interface Panel . . . . . . . . . 44
Location Recommendations . . . . . . . . . . . . 44
Ambient Temperature and Humidity
Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Mounting the Remote Human Interface
(RHI) Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Wall Mounting the RHI Panel . . . . . . . . . . . 45
Wiring the Remote Human Interface. . . . . . . . . 46
Low Voltage (AC) Field Wiring
Connections. . . . . . . . . . . . . . . . . . . . . . . . . . 47
Interprocessor Communication Bridge
Module Wiring . . . . . . . . . . . . . . . . . . . . . . . . 47
Communication Link (Shielded Twisted
Pair) Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 47
At the Self-Contained Unit . . . . . . . . . . . . . . 47
Connecting to Tracer Summit. . . . . . . . . . . . . . . 47
Communication Wiring. . . . . . . . . . . . . . . . . 48
Programming the Time Clock Option . . . . . . . . 48
Setting the Time Clock . . . . . . . . . . . . . . . . . 48
Programming the Time Clock . . . . . . . . . . . 48
Reviewing and Changing
Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Manual Override . . . . . . . . . . . . . . . . . . . . . . 48
Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . 50
Control Sequences of Operation . . . . . . . . . . . . 50
Occupied/Unoccupied Switching . . . . . . . . 50
Field-Supplied Occupied/Unoccupied
Input on the RTM . . . . . . . . . . . . . . . . . . . . . 50
Tracer Summit System. . . . . . . . . . . . . . . . . 50
Factory-Mounted Time Clock . . . . . . . . . . . 50
Unoccupied Sequence of Operation . . . . . . . . . 50
Morning Warm-up . . . . . . . . . . . . . . . . . . . . . 50
Full Capacity Morning Warm-up
(MWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Cycling Capacity Morning Warm-up
(MWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Timed Override Activation—ICS™. . . . . . . 51
Timed Override Activation—Non-
ICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
VAV Drive Max Output . . . . . . . . . . . . . . . . . 51
Occupied Sequence . . . . . . . . . . . . . . . . . . . . . . 51
Occupied Zone Temperature—
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Zone Temperature Control (Unit Model
Number Digit 9 = 4 or 5). . . . . . . . . . . . . . . . 51
Supply Air Temperature Control (Unit
Model Number Digit 9 = 1, 2, 3, or
6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Units With Economizer. . . . . . . . . . . . . . . . . 51
Cooling/Waterside Economizer . . . . . . . . . 52
Cooling/Airside Economizer . . . . . . . . . . . . 52
Mechanical Cooling . . . . . . . . . . . . . . . . . . . 52
Water-Cooled Units Only . . . . . . . . . . . . . . . 52
Auto Changeover (Units with Heat
Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Occupied Zone Temperature—
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . 52
Hydronic Heat: Hot Water or
Steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Supply Air Setpoint Reset (VAV Units
Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Reset Based on Outdoor
AirTemperature . . . . . . . . . . . . . . . . . . . . . . . 52
Reset Based on zone temperature . . . . . . 53
Supply AirTempering (Hot Water and
Steam VAV Units Only) . . . . . . . . . . . . . . . . 53
Daytime Warm-up (Units with Supply
Air Temperature Control Only) . . . . . . . . . . 53
Supply AirTempering . . . . . . . . . . . . . . . . . . 53
Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Thermostatic Expansion Valve. . . . . . . . . . . . . . 53
Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Compressor Cycling . . . . . . . . . . . . . . . . . . . 53
Compressor Lead/Lag Operation. . . . . . . . 54
Step Control. . . . . . . . . . . . . . . . . . . . . . . . . . 54
Compressor Safety Devices . . . . . . . . . . . . 55
Low Ambient Compressor
Lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Evaporator Coil Frost Protection
FROSTAT. . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Service Valve Option . . . . . . . . . . . . . . . . . . 55
Waterside Components. . . . . . . . . . . . . . . . . . . . 55
Water Purge. . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table of Contents