Samsung AM***MXWA Series - Page 91

ENGLISH-91
02 INSTALLING THE PRODUCT
Wiring method for optional functions
Installation example of AC 220-240 V, direct operation type 2way solenoid valve
PUMP/2Way solenoid valve controller (PBA)
Controller
Outdoor unit
2Way solenoid valve
Flow switch
AC 220-240 V
AC 220-240 V
2Way solenoid valve
OUT
PUMP OUT
PUMP F/B IN
Relay
Relay
Caution for wiring
Internal part of outdoor unit External part of outdoor unit
 2way solenoid valve is a type that works at AC 220-240 V 50/60 Hz and supports product with 0.2 A or low.
- For 2way solenoid valve with over 0.2 A, connect external power.
- For external power cable for 2way solenoid valve must use 600 V ame-resisting double layered cable.
 Product will not operate when ow switch is not installed.
Installation example of extra controller such as 2way solenoid valve and pump etc.
PUMP/2Way solenoid valve controller (PBA)
Controller
Outdoor unit
2Way
solenoid
valve
Flow switch
AC 220-240 V
AC 220-240 V
2Way solenoid
valve OUT
PUMP OUT
PUMP F/B IN
Relay
Relay
Caution for
wiring
PUMP
AC 220-
240 V
2Way solenoid valve, Pump controller
2Way solenoid
valve, Pump
controller
Internal part of outdoor unit External part of outdoor unit
FUSE
 If the operation type of 2way solenoid valve is dierent, use extra controller.
- Also use external controller for pump.
- Outdoor unit only provides contact signal needed for 2way solenoid valve and pump operation. Therefore, do not use
the contact signal from the air conditioner directly.
 Product will not operate when ow switch is not installed.