1
3
. Installation
▶
Refer to the below table for the terminal numbers for connecting external contact.
Terminal No.
External contact
Function
Remarks
B1, B2
Operation check
Output operation status
Optional
B3, B4
Alarm
Output alarm status
Optional
B5, B6
Water pump
Output operation signal for a water pump
Mandatory
B7, B8
Booster heater
Output operation signal for booster heater of DHW tank
Optional
B9~B11
3Way valve 1
Output 3 way valve direction signal for indoor heating /
DHW selection
Optional
B12~B14
3Way valve 2
Output for solar pump interconnection/defrost
signal interconnection
Optional
B15~B17
2Way valve
Output 2 way valve switching signal for blocking cold water
fall in floor cooling
Optional
B19, B20
AC 208-230, Thermostat 1 Input thermostat signal for cooling (AC 208-230 V)
Optional
B21, B22
AC 208-230, Thermostat 2 Input thermostat signal for heating (AC 208-230 V)
Optional
B23, B24
AC24, Thermostat 1
Input thermostat signal for cooling (AC 24V)
Optional
B25, B26
AC24, Thermostat 2
Input thermostat signal for heating (AC 24V)
Optional
1, 2 (1, 2)
Indoor temperature
sensor
Connect indoor temperature sensor
(Connection status can be checked on the wired remote
controller .)
Optional
7, 8 (3, 4)
Temperature sensor
for water tank
Connect temperature sensor of DHW tank
(Connection status can be checked on the wired remote
controller .)
hot water
supply operation
13, 14 (5, 6)
Solar pump
Input contact signal for solar heat pump operation
Optional
16, 17 (7, 8)
External control
Input external contact control signal
(Refer to seg 14 of 02 series remote controller installation option .)
Optional
19, 20 (9, 10)
Smart grid
Input contact signal for smart grid
Optional
❋
( ) : Hydro unit HT
❋
You may need to set different field specifications for the wired remote controller depending on the function .
