Operation; Operating Modes - UTICA BOILERS MACF-150 User's Information Manual

FOR YOUR SAFETY READ BEFORE OPERATING
WARNING
!
If you do not follow these instructions
exactly, a fire or explosion may result
causing property damage, personal injury
or loss of life.
• This appliance is equipped with an ignition device
which automatically lights burner. Do NOT try to
light this burner by hand.
• Before operating smell all around appliance area for
gas. Be sure to smell next to floor because some gas
is heavier than air and will settle to the floor.
• Use only your hand to turn the gas shutoff valve.
Never use tools. If valve will not turn by hand, do not
try to repair it, call a qualified service technician. Force
or attempted repair may result in fire or explosion.
• Do not use this appliance if any part has been
under water. Immediately call a qualified service
technician to inspect appliance and to replace any part
of control system and any gas control which has been
under water.
• Do not block the flow of combustion or
ventilation air to boiler.
CAUTION
!
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.

2.4 OPERATING MODES

SYMBOL
OPERATING MODE
DISPLAYED
DHW
DHW & HEATING
HEATING ONLY
2 - OPERATING INSTRUCTIONS
To enable the appliance in DHW - Heating or Heating only press
repeatedly and choose one of three available modes.
To disable the boiler operating modes and keep the frost protection
function enabled, press
appears on the display (the display back-lighting flashes if the boiler is
blocked).
3

2.1 OPERATION

Boiler is wall mounted, fan assisted room-sealed
combination boiler, providing both central heating and
domestic hot water depending on model purchased.
• After initial lighting, boiler will provide central heating
(as required).
• Hot water is available whenever a hot tap is open
(Combi models only).
2.2 OPERATING INSTRUCTIONS
Stop! Read ALL Safety information above.
• Set thermostat to lowest setting.
• Turn "OFF" all electrical power to appliance.
• This appliance is equipped with an ignition device which
automatically lights the burner. Do not try to light
burner by hand!
• Turn gas shutoff valve clockwise
Handle should be perpendicular to gas pipe.
• Wait 5 minutes for any gas to clear. Smell for gas,
including near floor. If you smell gas, STOP! Follow
instructions on this page: "What To Do If You Smell
Gas." If you do not smell gas, go to next step.
• Turn gas shutoff valve counter clockwise
position. Handle should be parallel to gas pipe.
• Replace front jacket panel.
• Turn "ON" electrical power to appliance.
• Set thermostat to desired setting.
• Set correct operating mode. See 2.4
• If the appliance will not operate, follow instructions TO
TURN OFF GAS TO APPLIANCE and call your service
technician or gas supplier.
2.3 TURN OFF GAS TO APPLIANCE
• Set thermostat to lowest setting.
• Turn "OFF" all electric power to appliance if service is
to be performed.
• Turn gas shutoff valve handle clockwise
position. Handle should be perpendicular to gas pipe.
for at least 3 seconds. Just the symbol
to closed position.

 to the open
PN 240011945 Rev. B [01/31/19]
to closed