Electrical Diagram - Daikin Altherma C Gas W EHOB12AAV1 H Instructions D'installation

10.3

Electrical diagram

A Earth connection exchanger
B
Ignition cap
C Boiler controller
E
Earth connections
Connector X4
5 -
24V=
6-7
8-9
9-10
11-12
Connector X2
2-4
~
230V
3-6
7-8
3-5-6
Connector X5
Daikin Europe NV
F Fuse (3.15 A T)
G
Gas block + ignition module
I Ignition/ionization pin
M
Mains electricity supply
PWM control CH-pump. (5= PWM signal (red), E=earth)
On/off room thermostat
(0.1A-24Vdc)
Outdoor sensor
(12 kOhm / 25°C)
Tank sensor (remove through-connection)
OpenTherm room thermostat
(6-7 should be open)
Mains supply 230 V (2 = L (brown), 4 = N (blue))
Electricity supply for fan (230 V, for EHOB42ABV1 only))
CH pump
(8 = L (brown), 7 = N (blue))
Three-way valve for external tank
(e.g. EK3WV1AA)
Computer interface
P1 CH pump
V
Fan
S1 Flow temperature sensor
S2
Return temperature sensor
3.15AT
and/or frost thermostat
(3 = L (brown), 5 = Switch (black), 6 = N (blue))
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