Buderus Logamax GB062-24 KDE H V2, Руководство по обслуживанию

Страница: 51 / 57

6
Inspection and maintanance
Logamax PLus GB062 51
B Top up the water until the indicator is between 1 bar and 2
bar again.
If pressure is not being maintained :
B
TCheck expansion vessel and heating system for leaks.
6.10 Removing automatic air vent valve
1. Remove the clip.
2. Remove the automatic air vent valve.
Fig. 21 Removing automatic air vent valve
6.11 Checking the gas valve
B
Pull plug (24 V) from the gas valve
B Check the resistance of solenoid valves [1] and [2].
Fig. 22 Test points on the gas valve
[1]
Solenoid valve 1 test points (3-4)
[2]
Solenoid valve 2 test points (1-3)
B
Replace gas valve if the resistance is 0 or
∞
.
6.12 Removing the gas valve
B Close the gas valve.
1. Remove the clip.
2. Open the lockings system on the gas pipe.
3. Remove the gas pipe.
4. Pull plug (24 V) from the gas valve
5. Unscrew the nut.
Fig. 23 Remove the gas valve
B Use a screwdriver to release the locking device on both
sides.
B
Remove the gas valve and pull the plastic jacket.
Fig. 24 Remove the gas valve, remove the locking device
B Install the gas valve in reverse sequence, and adjust the
gas/air ratio.
2.
1.
0 010 006 638-002
0 010 005 836-001
2
1
1
2 3
4
6 720 812 301-05.1O
3.
4.
2.
1.
1.
1.
2.
3.
2 x
6 720 812 301-06.1O