Daikin ROTEX GW-20 H12, Installation Instructions Manual

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10.2 Electrical diagram
A Earth connection exchanger F Fuse (3.15 A T)
P1
CH pump
B
Ignition hood
G
Gas block + ignition module
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 (remove through-connection)
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))
3-6
Electricity supply for fan (230 V, for RHOB42AAV1 only))
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
10.3 NTC resistances
NTC 12k Ohm
T [°C]
R [ohm] T [°C] R [ohm] T [°C] R [ohm] T [°C] R [ohm]
-15 76020 15 18300 45 5522 75 1994
-10 58880 20 14770 50 4609 80 1717
-5 45950 25 12000 55 3863 85 1467
0 36130 30 9805 60 3253 90 1266
5 28600 35 8055 65 2752 95 1096
10 22800 40 6653 70 2337 100 952