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Framing & finishing, Final finishing, Gas inlet and manifold pressures – Vermont Casting DVRT43 User Manual

Page 7: High elevations, Gas specifications

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7

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Vermont Castings, Majestic Products DVRT36/ 39/ 43

1. Choose the unit location.

2. Place the unit into position and secure it to the floor

with 1

¹⁄₂

” (38mm) screws or nails. Holes for securing

the unit to floor are located behind the access door
grille on the left and right sides of the unit.

3. Frame in the fireplace with a header across the top.

It is important to allow for the finished wall face
when setting the depth of the frame.

4. Attach the fireplace to the frame using the

adjustable frame drywall strips (located behind the
access door for shipping). Preset the depth to suit
the facing material of the wall. The strips are
adjustable to 1/2” (13mm), 5/8” (16mm) or
3/4” (19mm). (Fig. 5)

5. Screw through the slotted holes in the drywall strip

and into predrilled holes in fireplace side. Measure
from face of fireplace to the face of the drywall strip to
confirm the final depth.

Check the fireplace to make sure it is
leveled and properly positioned.

Framing & Finishing

Noncombustible materials such as brick or tile may be
extended over the edges of the face of the appliance.
DO NOT cover the window frame assembly, any
vent, louvre assembly top or louvre assembly
bottom.

If a Trim Kit is to be installed on the fireplace, the brick
or tile will have to be installed flush with the edges of
the appliance.

Final Finishing

Fig. 5 Adjustable drywall strip (nailing flanges).

C

A

B

Adjustable Drywall Strip

(Nailing Flange)

FP1023

Adjustable

1/2” – 5/8” – 3/4”

Spacing

Screw

Drywall

Position

Depths

A

1/2” (13mm)

B

5/8” (16mm)

C

3/4” (19mm)

Inlet Minimum

5.5” w.c.

11.0” w.c.

Inlet Maximum

14.0” w.c.

14.0” w.c.

Manifold Pressure

3.5” w.c.

10.0” w.c.

Gas Inlet and Manifold Pressures

Natural

LP (Propane)

High Elevations

Input ratings are shown in BTU per hour (BTU/h)
and are certified without deration for elevations
up to 4,500 feet (1,370 m) above sea level.

For elevations above 4,500 feet (1,370 m) in USA,
installations must be in accordance with the
current ANSI Z223.1/NFPA 54 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 (1,370 m).

DVRT36/ DVRT36RMH/ DVRT39/ DVRT43

Certified To

ANSI Z21.88-2002/ CSA 2.33-2002

Vented Gas Fireplace Heaters

Max.

Min.

Input

Input

Model

Fuel

Gas Control

BTU/h

BTU/h

DVRT36RN

Nat

Millivolt

25,000

17,500

DVRT36RP

Prop

Millivolt

25,000

18,750

DVRT36EN

Nat

24V Hi/Lo

25,000

17,500

DVRT36EP

Prop

24V Hi/Lo

25,000

18,750

DVRT36RFN

Nat

Comfort Control

25,000

17,500

DVRT36RFP

Prop

Comfort Control

25,000

18,750

DVRT36RMH Nat/ Prop

Millivolt

25,000

17,500

DVRT39RN

Nat

Millivolt

30,000

21,000

DVRT39RP

Prop

Millivolt

30,000

22,500

DVRT39EN

Nat

24V Hi/Lo

30,000

21,000

DVRT39EP

Prop

24V Hi/Lo

30,000

22,500

DVRT43RN

Nat

Millivolt

33,000

23,100

DVRT43RP

Prop

Millivolt

33,000

24,750

DVRT43EN

Nat

24V Hi/Lo

33,000

23,100

DVRT43EP

Prop

24V Hi/Lo

33,000

24,750

Gas Specifications

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