Daikin Altherma EKWHCTRL1 - MAINTENANCE PROCEDURES; 6.1 External Cleaning; 6.2 Cleaning Air Suction Filter

20
S
I
U
TA
M1
S1
Y1
L-N
FF
EKPCBO
7.3
7.4
230V connection permission from room
thermostat
DC inverter fan motor
grill safety micro-switch
water solenoid valve (230V/ 50Hz 1A output
voltage)
230V/50Hz electrical power supply
output for mobile suction panel servo (power
output 230V/ 50Hz 1A)
EKPCBO Connections
Warnings table
The board provides diagnostics in the event of anomalies,
which can be interpreted from combinations of LEDs.
The following table summarises the warnings.
• Flashing LED : TA contact open
• Flashing LED : TA contact closed;
• 4 flashing LEDs: S1 contact open;
• LED on: supersilent speed active (400 rpm).
• LED on: minimum speed active (680 rpm).
• LED on: medium speed active (1,100 rpm).
• LED on: maximum speed active (1,500 rpm).