12
WTK-SVN001-EN
Wiring Diagram
BYPASS LPCO WHEN UNIT START, BYPASS TIME PERIOD CAN BE SETTING 0-4.5 MINS
CONTROL CIRCUIT FOR MODEL WITH HPCO AND LPCO
(FOR BY PART LPCO WHEN UNIT START)
2R-6
220-240V/1ph/50,60Hz
FROM INDOOR UNIT
LPCO
C1
2R
2R-2
2R-1
2R-5
BLK
1R-7
1TC
LINE FROM COMPR-C DIRECT TO TERMINAL-N)
(FOR SINGLE POLE CONTACTOR,CONNECT ELECTRIC
** APPLY FOR DOUBLE POLE CONTACTOR ONLY
BL BLUE
3. USE COPPER CONDUCTOR ONLY.
LOCAL CODES.
18 AWG MINIMUM CONDUCTOR.
1. LOW VOLTAGE WIRING TO BE
EQUIPMENT MUST COMPLY WITH
2. POWER WIRING AND GROUNDING OF
NOTES:
* 2TC AVAILABLE IN OPTIONAL MODEL
RD RED
BLK BLACK
COLOR CODE
TERMINAL BOARD BY FACTORY
TERMINAL
LPCO
LOW PRESSURE CUT-OUT
HPCO
HIGH PRESSURE CUT-OUT
TERMINAL BOARD BY OTHER
TC
TIME-DELAYED CONTACT 3 MINUTES
MS
COMPRESSOR MOTOR CONTACTOR
COIL
HPCO
CPR
COMPRESSOR
LEGEND
1R-6
1R-1
1R-5
MS
C2
1R
1R-8
1R
*2TC
2R-7
2R
2R-8
CONTROL CIRCUIT FOR MODEL WITHOUT HPCO AND LPCO
200-240VAC/1ph/50,60Hz
*2TC
FROM INDOOR UNIT
POWER SUPPLY 220-240V/1ph/50Hz, 200-240V/1ph/60Hz
POWER CIRCUIT
BL
C1
MS-1
RD
CR
L
C2
MS
S
BLK
R
C
CPR
G
MS-2
N
FIELD WIRING
CAPACITOR
RELAY CONTACT NORMALLY OPEN
FACTORY WIRING
LOW PRESSURE SENSING SWITCH
HIGH PRESSURE SENSING SWITCH
1R
LOCK OUT CIRCUIT RELAY
2R
LOW PRESSURE SENSOR BYPASS RELAY