5
Electrical values, gas conversion and boiler layout
Logamax Plus GB062
44
5.3.2
Electrical values
Electrical values for Logamax GB062...
Pos.
Description
Measurement Point
Expected value
Service
Func-
tion
Toler-
ance
Remark
8
3 Way valve motor
Pin : 2 -3
70 Ohm
± 5
Ohm
measure on the
motor socket
9
Pump (3 Step )
I : 475 Ohm
II : 340 Ohm
III : 210 Ohm
± 10
Ohm
Measure on the
pump socket.
9
Modulating pump
4,0 MOhm
± 1
KOhm
Measure on the
pump socket.
Functiontest with
service function
t03.
16
Domestic hot water
temperature sen-
sor (DHW-NTC)
20 ºC => 12,17 kOhm
60 ºC => 2,98 kOhm
A.B
± 0,5
kOhm
or measure on
the sensors
(NTC) self.
20
Air-Pressure-
Switch (APS)
Workingspressure : 3,88
/ 3,53 mbar.
measure on APS.
PIN 1 -2 is closed
(default)
1
Gas valve
EV1 (Pin : 3-4)
EV2 (Pin : 1-3)
100 Ohm
230 Ohm
±1
0
Ohm
Supply 24 VDC
18
Flue gas tempera-
ture limiter (AGÜ)
0 Ohm
-
Temperatur limit
= 120 ºC
2
Flow - sensor or
boiler temperature
sensor
20 ºC => 14,77 kOhm
80 ºC => 1,7 kOhm
A.A
± 0,5
kOhm
4
Flame sensing
(ionisation) elec-
trode
Measure on the PCB or
electode
> 20 µA
F.2
-
5
Temperature lim-
iter for heat
exchanger (STB)
0 Ohm
-
Temperatur limit
= 115 ºC (+10/-
14)
Tab. 12
Electrical values
Содержание Logamax GB062-24 KDE H V2
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