3
2
INST
ALLER Section
(en)
13. OPERATING THE BOILER
13.1 TESTING FOR GAS LEAKS AND PURGING THE GAS SUPPLY
• With the boiler gas service cock closed (spindle flats at right angles to valve). Pressure test the gas supply and inlet pipework
connection to the boiler gas service cock for soundness.
•
Loosen the screw of the pressure inlet gas test port on the gas valve (see section 13.4: "GAS VALVE"). Ensure the gas supply
is on and open the boiler service cock to purge.
•
Retighten the test port screw and test for gas leaks. Close the boiler gas shutoff device.
13.2 BOILER CONTROLS
To light the boiler correctly, proceed as follows:
•
Check that the system pressure is correct;
•
Power the boiler;
•
Open the gas tap (yellow, positioned under the boiler);
•
Select the required heating mode (see section 3.4: "OPERATING MODES").
BUTTONS Key
DHW temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Heating water temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Boiler operating information
Operating mode:
DHW – DHW & Heating – Heating Only
Off – Reset – Exit menu/functions
SYMBOLS Key
Off: heating and DHW disabled
(only boiler frost protection is active)
Burner lit
Ignition fault
DHW operating mode enabled
Boiler/system water pressure low
Heating mode enabled
Call a qualified service technician
Programming menu
Manually resettable fault (
)
Boiler information menu
Fault in progress
Set unit of measurement (SI/US)
2400
11317
,
REV
D
(
0
7
/
30
/1
6
)
Summary of Contents for UTICA BOILERS MAC-150
Page 10: ...MAC 150 Low Water Pressure Cutoff 10 240011317 REV D 07 30 16...
Page 11: ...MAH 125 Low Water Pressure Cutoff 11 240011317 REV D 07 30 16...
Page 54: ...Coupure de la pression d eau faible 54 240011317 REV D 07 30 16...
Page 84: ...84 S e c t i o n I N S T A L L A T E U R f r 240011317 REV D 07 30 16...
Page 87: ...87 S e c t i o n I N S T A L L A T E U R f r 240011317 REV D 07 30 16...
