Trane UniTrane Installation Operation & Maintenance page 132

LEGEND
DEVICE
DESIG. DESCRIPTION
1K1-3 FAN STARTERS
1T1 TRANSFORMER
1TB6 TERMINAL STRIP
1U1 THERMOSTAT MODULE
358 CONDENSATE OVERFLOW
151 DISCONNECT SW
159 LOWLIMIT
2U2 ZONE SENSOR MODULE
FAN SWITCH
481 FAN MOTOR
2L2 DAMPER ACTUATOR
3L1 MAIN COIL VALVE
3L3 HEATING COIL VALVE
For Reference Only:
This schematic shows typical wiring of a fan-coil. It is not intended for a basis of design or for equipment installation
purposes in the field. For an as-built schematic specific to a particular unit, please see the ship-with schematic for that
specific unit or contact your local Trane representative.
Four-pipe
Two-position N/C cooling control valve
Two-position N/O heating control valve
Two-position N/C fresh air damper actuator
Condensate overflow detection
Low temperature detection
Unit mounted fan mode switch,
Wall mounted setpoint dial and zone temperature sensor
Unit mounted disconnect switch
132
®
Tracer ZN.010 Typical Wiring Diagram
LINE
NUMBER
25-26-27
21
23
36
3
24
28
9
32
28
30
NOTES:
1. UNLESS OTHERWISE NOTED, ALL
SWITCHES ARE SHOWN AT 25 C (77 F),
AT ATMOSPHERIC PRESSURE, AT 50%
RELATIVE HUMIDITY, WITH ALL UTILITIES
TURNED OFF, AND AFTER A NORMAL
SHUTDOWN HAS OCCURRED.
2. DASHED LINES INDICATE
RECOMMENDED FIELD WIRING BY
OTHERS. DASHED LINE ENCLOSURES
AND/OR DASHED DEVICE OUTLINES
INDICATE COMPONENTS PROVIDED BY
THE FIELD. SOLID LINES INDICATE
WIRING BY TRANE CO.
3. NUMBERS ALONG THE RIGHT SIDE OF
THE SCHEMATIC DESIGNATE THE
LOCATION OF CONTACTS BY LINE
NUMBER. AN UNDERLINED NUMBER
INDICATES A NORMALLY CLOSED
CONTACT.
4. ALL FIELD WIRING MUST BE IN
ACCORDANCE WITH THE NATIONAL
ELECTRIC CODE (NEC), STATE AND
LOCAL REQUIREMENTS.
DEVICE PREFIX
LOCATION GUIDE
AREA LOCATION
1 CONTROL PANEL
2 CONTROL END
3 PIPING END
4 FAN SECTION
5 COIL SECTION
6 CUSTOMER
UNT-IOM-6