Trane IntelliPak SCWF 20 Installation, Operation And Maintenance Manual page 5

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Standard Remote Sensor
(BAYSENS077) . . . . . . . . . . . . . . . . . . . . . . 49
Programmable Zone Sensors . . . . . . . . . . . . . 49
BAYSENS119 . . . . . . . . . . . . . . . . . . . . . . . . 49
Time Clock Option . . . . . . . . . . . . . . . . . . . . . . . 50
Grasslin Time Clock Option . . . . . . . . . . . 50
Installing the Time Clock. . . . . . . . . . . . . . 50
Surface Mounting Inside Panel . . . . . . . . 50
Wiring the Time Clock . . . . . . . . . . . . . . . . 50
Remote Human Interface Panel
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Human Interface (HI) Panel. . . . . . . . . . . . 50
Remote Human Interface Panel. . . . . . . . 51
Location Recommendations . . . . . . . . . . 51
Ambient Temperature and Humidity
Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Mounting the Remote Human Interface
(RHI) Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Wall Mounting the RHI Panel. . . . . . . . . . 52
Wiring the Remote Human Interface. . . . . . . 53
Low Voltage (AC) Field Wiring
Connections . . . . . . . . . . . . . . . . . . . . . . . . . 54
Interprocessor Communication
Bridge Module Wiring . . . . . . . . . . . . . . . . 54
Communication Link (Shielded
Twisted Pair) Wiring. . . . . . . . . . . . . . . . . . 54
At the Self-Contained Unit . . . . . . . . . . . . 54
Connecting to Tracer Summit. . . . . . . . . . . . . 55
Communication Wiring . . . . . . . . . . . . . . . 55
Programming the Time Clock
Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Setting the Time Clock. . . . . . . . . . . . . . . . 55
Programming the Time Clock . . . . . . . . . 55
Reviewing and Changing
Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Manual Override . . . . . . . . . . . . . . . . . . . . . 56
Operating Principles . . . . . . . . . . . . . . . . . . . . . . . 57
Control Sequences of Operation . . . . . . . . . . 57
Occupied/Unoccupied
Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Field-Supplied Occupied/
Unoccupied Input on the RTM. . . . . . . . . 57
SCXF-SVX01Q-EN
Tracer Summit System . . . . . . . . . . . . . . . 57
Factory-Mounted Time Clock. . . . . . . . . . 57
Unoccupied Sequence of Operation . . . . . . . 57
Morning Warm-up . . . . . . . . . . . . . . . . . . . 57
Full Capacity Morning Warm-up
(MWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cycling Capacity Morning Warm-up
(MWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Timed Override Activation-
ICS™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Timed Override Activation-Non-
ICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
VAV Drive Max Output . . . . . . . . . . . . . . . 58
Occupied Sequence. . . . . . . . . . . . . . . . . . . . . . 58
Occupied Zone Temperature-
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Zone Temperature Control (Unit
Model Number Digit 9 = 4 or 5) . . . . . . . . 58
Supply Air Temperature Control
(Unit Model Number Digit 9 = 1, 2, 3,
or 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Units With Economizer . . . . . . . . . . . . . . . 59
Cooling/Waterside Economizer. . . . . . . . 59
Cooling/Airside Economizer. . . . . . . . . . . 59
Mechanical Cooling . . . . . . . . . . . . . . . . . . 59
Air-Cooled Units Only . . . . . . . . . . . . . . . . 59
Water-Cooled Units Only . . . . . . . . . . . . . 59
Auto Changeover (Units with Heat
Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Occupied Zone Temperature-
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . 59
Hydronic Heat: Hot Water or
Steam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Supply Air Setpoint Reset (VAV Units
Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Reset Based on Outdoor
AirTemperature. . . . . . . . . . . . . . . . . . . . . . 60
Reset Based on zone
temperature . . . . . . . . . . . . . . . . . . . . . . . . . 60
Supply AirTempering (Hot Water
and Steam VAV Units Only) . . . . . . . . . . . 60
Daytime Warm-up (Units with
Supply Air Temperature Control
Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Supply AirTempering . . . . . . . . . . . . . . . . 60
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
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