Daikin Rotex GW-30 H12, Installation Instructions Manual

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10.3 Electrical diagram
A Earth connection exchanger F Fuse (3.15 A T)
P1
CH pump S7 CH water pressure sensor
B Ignition hood G Gas block + ignition module R Resistance V Fan
C Boiler controller I Ignition/ionization pin S1 Leaving water sensor
E
Earth connections
M
Mains electricity supply
S2
Return sensor
Connector X4
24V=
5 - PWM control 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)
9-10 Tank 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
Three-way valve for external tank
(3 = L (brown), 5 = Switch (black), 6 = N (blue))
(e.g. EK3WV1AA)
Connector X5 Computer interface