Instruction Manual

Model 301GAS burner — Instruction manual
Carlin part number MN301GAS Rev. 03/14/11
– 4 –
Where appliance instructions differ from this manual, follow the appliance instructions.
1. Prepare site • prepare burner • mount burner
Vent system
Inspect, repair and/or replace vent system
 Donotinstallthisburnerunlessyouhaveveriedtheentire
vent system and the appliance are in good condition and
comply with all applicable codes. And . . .
The vent and chimney must be sized and constructed in ac-
cordance with all applicable codes. If intended for use with an
oil burner as well, the vent system must comply with relevant
codes for both gas and oil firing.
The vent system must not be pressurized unless the vent
piping and vent system are designed accordingly. The vent
must provide draft at all times (negative pressure in vent).
 Donotinstalloruseanexistingmanualdamperinthevent
connector or vent.
 Donotconnecttheapplianceventconnectortoachimney
or vent serving a fireplace, incinerator or solid-fuel-burning
apparatus.
In a cold climate, do not vent into a masonry chimney that
has one or more sides exposed to the outside. Install a listed
stainless steel liner to vent the flue products.
A defective vent system could result in severe personal injury,
death or substantial property damage.
Vent/chimney sizing
• Followalllocalcodeswhensizingtheventandchimney.
• Refertotheappliancemanufacturer’smanual,whenavailable,forventing
recommendations.
Prepare vent/chimney
• Secureallmetalventjointswithscrews,followingtheventmanufacturer’s
instructions. Seal all joints in the vent system and chimney. Repair masonry
chimney lining and repair all mortar joints as needed.
• Wheredraftuctuationsarelikely,installadouble-actingbarometricdraft
regulator in the vent piping. (The damper must be located in the same
space as the appliance.) Install a manual reset spill switch in the top of
the draft regulator outlet. Wire the switch into the appliance limit circuit to
shutofftheappliance/burnerifsustaineddowndraftshouldoccur.Refer
totheappliancemanufacturer’sinstructionmanualforrecommendations
regarding the need for a barometric draft regulator.
• Providesupportfortheventpiping.Donotresttheweightofanyofthe
vent piping on the appliance flue outlet.
Figure 1 Vent and vent connector installations, typical