6
Vermont Castings Majestic Products NV360/580 Series
20003565
FP297A
Fig. 4 Typical gas supply installation.
1/2" Gas Supply
1/2" NPT X 1/2" Flare Shut-off Valve
3/8" Flex line
(from valve)
Final Finishing
Noncombustible materials such as brick and tile can be
extended over the face of the unit (Do not cover the
glass door or grilles) If a Trim Kit is to be installed,
brick and tile will have to be installed flush with the side
of this appliance.
Framing and Finishing
Check fireplace to make sure it is lev-
elled and properly positioned.
1. Choose the unit location.
2. Nailing flanges are supplied with the fireplace
(found on the fireplace hearth). To level the box and
secure it firmly in place, remove the nailing flanges
from the hearth and install at the sides of the fire-
place as shown in Figure 3.
3. Screw through the slotted holes in the drywall strip
and into pre-drilled holes in fireplace side. Measure
from face of fireplace to the face of the drywall strip
to confirm the final depth.
High Elevations
Input ratings are shown in BTU per hour and are
certified without deration for elevations up to
4,500 feet (1,370m) above sea level.
For elevations above 4,500 feet (1,370m) in USA,
installations must be in accordance with the
current ANSI Z223.1 and/or local codes having
jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at
elevations above 4,500 feet (1,370m).
NV360 / NV580
CERTIFIED TO
ANSI Z21.50a-1999/CSA 2.22A-M-99
Vented Gas Fireplace
When purging gas line the front glass
must be removed. Purging gas lines
must comply with the NFPA-54 or B-149.
The gas pipeline can be brought in through the right
side of the appliance. A knockout is provided to allow
for the gas pipe installation and testing of any gas
connection.
The gas line connection can be made with properly
tinned 3/8" copper tubing, 1/2" rigid pipe or an approved
flex connector. Since some municipalities have
additional local codes, it is always best to consult your
local authority and the CSA-B149.1 installation code.
For USA installations, consult the current National Fuel
Gas Code, ANSI Z223.1.
C
A
B
Adjustable Drywall Strip
(Nailing Flange)
Screw
Drywall
Position
Depths
A
1/2” / 13mm
B
5/8” / 16mm
C
3/4” / 19mm
FP1023
Adjustable
1/2”, 5/8” &
3/4” Spacing
Fig. 3 Nailing flanges.
Gas Line Installation
Gas Inlet & Manifold Pressures
Natural
LP
Minimum Inlet Pressure
5.5” w.c.
11.0” w.c.
Maximum Inlet Pressure
14.0” w.c.
14.0” w.c.
Manifold Pressure
3.5”w.c.
10.0” w.c.
Gas Specifications
Max.
Min.
Model
Fuel
Gas
Input
Input
Control
B.T.U.H
B.T.U.H.
NV360RN
Natural Gas
Millivolt Hi/Lo
33,500
23,500
NV360RP
Propane
Millivolt Hi/Lo
33,500
23,700
NV580RN
Natural Gas
Millivolt Hi/Lo
45,000
31,500
NV580RP
Propane
Millivolt Hi/Lo
45,000
31,900
