Daikin EKOMB28AAV1H [54/432] Electrical diagram ekomb22aav1h ekomb28aav1h ekomb33aav1h

Daikin EKOMB28AAV1H [54/432] Electrical diagram ekomb22aav1h ekomb28aav1h ekomb33aav1h
Daikin Europe NV 54
10.2 Electrical diagram EKOMB22AAV1H, EKOMB28AAV1H & EKOMB33AAV1H
A
Earth connection exchanger
F
Fuse (3.15 A T)
P1
CH pump
DHW sensor
B
Ignition hood
G
Gas block + ignition module
R
Resistance
Flow sensor
C
Boiler controller
I
Ignition/ionization pin
S1
Leaving water sensor
CH water pressure sensor
E
Earth connections
M
Mains electricity supply
S2
Return sensor
Fan
Connector X4
24V=
5 -
CH pump (5= PWM signal (red), E=earth)
6-7
On/off room thermostat (0.1A-24Vdc) and/or frost thermostat
8-9
Outdoor sensor (12 kOhm / 25°C)
11-12
OpenTherm room thermostat (6-7 should be open)
Connector X2
230V~
2-4
Mains supply 230 V (2 = L (brown), 4 = N (blue))
7-8
CH pump (8 = L (brown), 7 = N (blue)
3-5-6
Shut-off valve underfloor heating (3 = L (brown), 5 = Switch (black), 6 = N (blue)
(e.g. EK3WV1AA)
Connector X5
Computer interface

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