Lennox GCWB95W-150 User Manual

3
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING
If you do not follow these instructions
exactly, a re 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 oor because some gas
is heavier than air and will settle to the oor.
• Use only your hand to turn the gas shuto valve.
Never use tools. If valve will not turn by hand, do not
try to repair it, call a qualied service technician. Force
or attempted repair may result in re or explosion.
• Do not use this appliance if any part has been
under water. Immediately call a qualied 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 ow of combustion or
ventilation air to boiler.
!
2 - OPERATING INSTRUCTIONS
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 re department.
!!
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 shuto valve clockwise  to closed position.
Handle should be perpendicular to gas pipe.
• Wait 5 minutes for any gas to clear. Smell for gas,
including near oor. 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 shuto valve counter clockwise  to the open
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 shuto valve handle clockwise to closed
position. Handle should be perpendicular to gas pipe.
2.4 OPERATING MODES
SYMBOL
DISPLAYED
OPERATING MODE
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 for at least 3 seconds. Just the symbol
appears on the display (the display back-lighting ashes if the boiler is
blocked).
DHW
DHW & HEATING
HEATING ONLY
PN 240012894 Rev. A [04/15/2020]

Lennox GCWB95W-150 Specifications

General

Brand	Lennox
Model	GCWB95W-150
Category	Boiler
Language	English