Wiring Diagram - Trane WTK507 Installation Manual

POWER CIRCUIT
CONTROL CIRCUIT FOR MODEL WITHOUT HPCO AND LPCO
CONTROL CIRCUIT FOR MODEL WITH HPCO AND LPCO
BYPASS LPCO WHEN UNIT START, BYPASS TIME PERIOD CAN BE SETTING 0-4.5 MINS
C1
2R-1
COLOR CODE
BL BLUE
BLK BLACK
RD RED
* 2TC AVAILABLE IN OPTIONAL MODEL
** APPLY FOR DOUBLE POLE CONTACTOR ONLY
(FOR SINGLE POLE CONTACTOR,CONNECT ELECTRIC
LINE FROM COMPR-C DIRECT TO TERMINAL-N)
NOTES:
1. LOW VOLTAGE WIRING TO BE
18 AWG MINIMUM CONDUCTOR.
2. POWER WIRING AND GROUNDING OF
EQUIPMENT MUST COMPLY WITH
LOCAL CODES.
3. USE COPPER CONDUCTOR ONLY.
12

Wiring Diagram

POWER SUPPLY 220-240V/1ph/50Hz, 200-240V/1ph/60Hz
L
MS-1
RD
CR
BL
*2TC
C1
1TC
(FOR BY PART LPCO WHEN UNIT START)
BLK
1R
1R-7
LPCO HPCO
2R
2R-5
2R-2 2R-6
220-240V/1ph/50,60Hz
N
MS-2
R
BLK
CPR
C
S
MS
FROM INDOOR UNIT
200-240VAC/1ph/50,60Hz
1R-8
1R
1R-1 1R-5
FROM INDOOR UNIT
LEGEND
CPR COMPRESSOR
MS COMPRESSOR MOTOR CONTACTOR
HPCO HIGH PRESSURE CUT-OUT
LPCO LOW PRESSURE CUT-OUT
TC TIME-DELAYED CONTACT 3 MINUTES
TERMINAL
COIL
TERMINAL BOARD BY OTHER
TERMINAL BOARD BY FACTORY
FIELD WIRING
FACTORY WIRING
RELAY CONTACT NORMALLY OPEN
CAPACITOR
LOW PRESSURE SENSING SWITCH
HIGH PRESSURE SENSING SWITCH
1R LOCK OUT CIRCUIT RELAY
2R LOW PRESSURE SENSOR BYPASS RELAY
G
C2
2R
2R-7 2R-8
*2TC
MS
1R-6
C2
WTK-SVN001-EN