Framing; Insulating For Cold Climates; Gas Specifications - Majestic fireplaces UVS33RN Operating Instructions Manual

3. Frame in heater with a header across the top. It is
important to allow for finished face when setting the
depth of the frame.
4. Attach heater to frame using adjustable frame drywall
strips (located behind access door for shipping).
Preset depth to suit facing material (adjustable to
1/2", 5/8" or 3/4" depths). (Fig. 6)
5. Use existing screws in side of unit to attach drywall
strip. Measure from face of heater to face of drywall
strip to determine final depth. (Fig. 6)
A
B
C
Fig. 6 Adjustable drywall strip (nailing flange).

Framing

Framing can take place before or after the heater is set
FP1023
in place. The framing should be positioned to accom-
side nailing flange
modate the wall covering and facing material. Framing
1/27/00 djt
material should be 2x4 or heavier. Framing headers
may rest on top of heater. (Refer to Page 3, Figure 1
for heater and framing dimensions.)

Insulating for Cold Climates

When a heater is installed in a chase or an outside wall,
the enclosure should be insulated like any other wall
of the home. Insulation should be installed under the
heater and on the inside of the exterior walls. (Fig. 7)
NOTE: Insulating for cold climates is strictly a recom-
mendation and not a requirement.
20002211
Adjustable Drywall Strip
(Nailing Flange)
Scew Drywall
Position Depths
A 1/2" (13 mm)
B 5/8" (16 mm)
C 3/4" (19 mm)
Adjustable 1/2",
5/8" & 3/4" Spac-
ing
FP1023
UVS33/36 Vent-Free Heaters
Insulation
Insulation meth-
ods shown are
optional for cold
climate, not a
requirement for
unit operation.
Fig. 7 Insulating for cold climates.
Parts Identification
Nailing
Flange
Gas
Line Access
(both sides)
door, controls behind louvre)
FP443a
Fig. 8 Parts identification.
Gas Specifications
Model Fuel Gas Control
UVS33RN Nat Millivolt Hi/Lo 20,000
UVS33RP LP Millivolt Hi/Lo 20,000
UVS33RN Nat Millivolt Hi/Lo 15,000
UVS33RP LP Millivolt Hi/Lo 15,000
UVS33RN Nat Millivolt Hi/Lo 10,000
UVS33RP LP Millivolt Hi/Lo 10,000
UVS36RN Nat. Millivolt Hi/Lo 25,000
UVS36RP LP Millivolt Hi/Lo 25,000
* Use air shutter in orifice bag without round holes.
FP546
GF456
UVC
2/19/97
Top
Louvre
Screen Panel
Logs and Burner
Firebox
Bottom Louvre
(Bottom access
FP443a
UVC33
12/18/99 djt
Max. Min. Orifice Air
Input Input Size Shutter
BTU/H BTU/H Setting
15,000 #45 1/16"
Open
14,750 #55 Fully
Open
10,750 #50 Closed
11,000 #56 Fully
Open*
7,500 #52 Closed
8,000 #62 Fully
Open*
17,500 n/a Fully
Open
18,750 n/a Fully
Open
7