Electrical Diagram Ekomb22Aav1, Ekomb28Aav1 & Ekomb33Aav1; Ntc Resistances - Daikin EKOMB22AAV1 Installation Instructions Manual

10.1 Electrical diagram EKOMB22AAV1, EKOMB28AAV1 & EKOMB33AAV1
A
Earth connection exchanger
B Ignition hood
C Boiler controller
E
Earth connections
4-5
Connector X4
24V=
6-7
8-9
11-12
Connector X2
2-4
~
230V
7-8
3-5-6
3-5-6
Connector X5
10.2

NTC resistances

NTC 12 kOhm
T [°C] R [ohm] T [°C]
-15 76020 15
-10 58880 20
-5 45950 25
0 36130 30
5 28600 35
10 22800 40
Daikin Europe NV
F
Fuse (3.15 A T)
G Gas block + ignition module
I
Ignition/ionization pin
M
Mains electricity supply
External energy saving switch (also see par. 5.3.1)
On/off room thermostat
(0.1A-24Vdc) and/or frost thermostat
Outdoor sensor
(12 kOhm / 25°C)
OpenTherm room thermostat
(6-7 should be open)
Mains supply 230 V (2 = L (brown), 4 = N (blue))
CH pump
(8 = L (brown), 7 = N (blue)
Shut-off valve underfloor heating or MIT
(e.g. VC4013 Honeywell 230V~)
Three-way valve (3=L (brown), 5=switch (black), 6=N (blue)) (VC4013 Honeywell 230V~).
Computer interface
R [ohm] T [°C] R [ohm]
18300 45 5522
14770 50 4609
12000 55 3863
9805 60 3253
8055 65 2752
6653 70 2337
P1 S3
CH pump
R Resistance S5
S1 S7
Leaving water sensor
S2 V
Return sensor
(3 = L (brown), 5 = Switch (black), 6 = N (blue)
T [°C] R [ohm]
75 1994
80 1717
85 1467
90 1266
95 1096
100 952
DHW sensor
Flow sensor
CH water pressure sensor
Fan
55