Altitude Considerations - Vermont Castings 380IDVNV Installation And Operating Instructions Manual

380IDV/490IDV Fireplace Insert

AltItuDe cONSIDeRAtIONS

This heater has been tested at altitudes ranging from sea
level to 4,500 feet (1,370 m). In this testing, heater with
standard orifice burns correctly with just an air shutter
adjustment. If you need to resize orifice for use at high
altitude, contact your dealer.
Exhaust
(Centered on unit)
Figure 8 -
Connecting Vent Pipe to Heater
12
380 Series - 3" and 3"
UL 1777 Gas Liner
490 Series - 4" and 3"
UL 1777 Gas LIner
Inlet
FP2626
Failure to adjust air shutter properly may
lead to improper combustion which can
create a safety hazard. consult your dealer
or installer if you suspect an improperly
adjusted air shutter.
Termination Kit
380 Series - AI3TK33A, HEDV321212, HEDVRT
490 Series - AI42TK43A
Apply high-temperature silicone to
lines on both ends and secure with
two (2) screws
FP2626
connect exhaust pipe
VeNtING INStAllAtION
57D0215