Samsung EHS AE080BXYDGG/EU - Page 93

7. Electrical installation
Installer reference guide / Mono tank integrated type 92
Main PCB
B1 B5 B9 B13 B17 B21B3 B7 B11 B15 B19 B23 B25
B2 B6 B10 B14 B18 B22B4 B8 B12 B16 B20 B24 B26
ELCB
MAIN POWER
BOOSTER
HEATER
WATER
PUMP
MIXING
VALVE
Room
Thermostat1
Room
Thermostat2
SOLAR PUMP (not applicable)
Relay
BACKUP
BOILER
Additional
WATER
PUMP
2
WAY
VALVE
(zone #1)
UFH
2WAY
VALVE
(zone #2)
FCU
THERMOSTATS3WAY
VALVE
(DHW)

UFH : Under floor heating
Terminal No. Function Input/Output
Max.
current
Description Remark
B1/B6 WATER PUMP AC 230V output 0.5A
Water pump operation
(maximum input power of pump 100W)
B2/B3/B5 MIXING VALVE AC 230V output 22mA Mixing Valve operation Option
B4/B5 BACKUP BOILER AC 230V output 10mA Signal output for Backup Boiler Option
B7/B8 WATER PUMP AC 230V output 0.5A
Additional Water pump operation
(maximum input power of pump 100W)
Option
B9/B10/B11/B12 2WAY VALVE #1 AC 230V output 22mA 2WAY VALVE operation for Zone#1 (UFH) Option
B13/B14/B11/B12 2WAY VALVE #2 AC 230V output 22mA 2WAY VALVE operation for Zone#2 (UFH) Option
B15/B16/ B 17/B18 3WAY VALVE AC 230V output 22mA 3WAY VALVE operation for DHW
Option
B19/B20 THERMOSTATS AC 230V output 22mA Power to external thermostat(s) Option
B21/B22 THERMOSTAT 1 AC 230V input 22mA
Thermostat for zone#1 (UFH) Cooling/
Heating Signal
Option
B23/B24 THERMOSTAT 2 AC 230V input 22mA
Thermostat for zone#2 (FCU) Cooling/
Heating Signal
Option
B25/B26 SOLAR PUMP AC 230V input 10mA
Signal input from Solar Pump/
DHW Tank Thermostat
Option