59
7.4
A
CCESS TO THE
G
AS
V
ALVE
7.4.1. R
EMOVING THE
G
AS
V
ALVE
1.
Disconnect the electrical connection “V” from the gas
valve (F
IG
. 7.31);
2.
Release the top nut “W” (F
IG
. 7.31);
3.
Remove the screws “X” from the bottom of the gas
valve pipe (F
IG
. 7.32);
4.
Remove the gas valve (F
IG
. 7.33).
F
IG
. 7.29
F
IG
. 7.30
F
IG
. 7.31
F
IG
. 7.33
F
IG
. 7.32
1.
Remove the casing and lower the control panel as
instructed in Section 7.1.
2.
Press the release button “U” for the control panel (Fig.
7.29) and pull forward to remove from the boiler frame.
3.
Clip the control panel onto the frame of the boiler. (Fig.
7.30).
U
V
X
W
X
Summary of Contents for ACO 27 MFFI
Page 49: ...49 WIRING DIAGRAM FOR CONNECTION TO AN ARISTON UNVENTED CYLINDER DIAGRAM A ...
Page 50: ...50 WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER DIAGRAM B ...
Page 57: ...57 FIG 7 19 FIG 7 20 FIG 7 21 FIG 7 22 FIG 7 23 FIG 7 24 O P FIG 7 18 ...
Page 69: ...69 Model 27 32 RFFI SYSTEM ...
Page 70: ...70 ...
Page 71: ...71 ...
Page 77: ...77 ...
Page 78: ...78 11 BENCHMARK COMMISSIONING CHECKLIST ...
Page 79: ...79 12 SERVICE INTERVAL RECORD ...
