9.
UNIT OPERATION
28
（
6
）
sanitary hot water display
(water source heat pump has water source Icon. If it has timer on/off setting, there is timer icon to indicate. )
（
7
）
AC cooling and sanitary hot water display
（
8
）
AC heating and sanitary hot water display
(water source heat pump has water source Icon. If it has timer on/off setting, there is timer icon to indicate. )
9.9 way of communication
Non-polarity double wire, maximum running length is 100 meters and point to point connected.
Back view of wired controller showed below.
线控器背面
(after change, need be repowered to enable the change)
SW1-8
OFF
：
cooling valid
；
ON: cooling invalid
SW1-7
OFF
：
heating valid
；
ON: heating invalid
SW1-6
OFF
：
：
DHW invalid
SW1-5
OFF
：
：
G1 invalid
SW1-4
OFF
：
inverter outdoor model
；
ON
：
on/off outdoor model
SW1-1
OFF
：
geothermal
；
ON
：
air source
SW1-3 reserved
SW1-2 reserved
SW1
SW1
DHW valid;
ON
G1 valid;
ON
Function Selection Switch:
9.10
