Gas Specifications; Vent Terminations & Clearances - Vermont Castings Radiance RADVT Series Installation & Operating Manual

F. Gas Specifications
Model Fuel Control
Millivolt
RADVT Nat.
Manual
Millivolt
RADVT LP
Manual
RADVT-IFT Nat.
RADVT-IFT LP
Gas Inlet and Manifold Pressures
Inlet Minimum
Inlet Maximum
Manifold Pressure
The installation of your Vermont Castings stove must
conform with local codes, or in the absence of local
codes, with the National Fuel Gas Code ANSI Z223.1/
NFPA 54 - latest edition, or CSA B149.1 Installation
code. (EXCEPTION: Do not derate this appliance
for altitude up to 2,000 (610 m) for natural gas and
4,500 feet (1,370 m) for LP Gas. Maintain the manifold
pressure at 3.5" w.c. for Natural Gas and 10.0" w.c.
for LP Gas.
HIGH ELEVATIONS
Input ratings are shown in BTU per hour and are
certified without deration for elevations up to 2,000
feet (610 m) for natural gas and 4,500 feet (1,370 m)
for LP gas above sea level.
In the USA installations with elevations above 2,000
feet (610 m) for natural gas and 4,500 feet (1,370 m) for
LP gas 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 2,000 feet (610 m) for natural gas
and 4,500 feet (1,370 m) for LP gas.
!
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. Refer
to this manual for correct installation and operational pro-
cedures. For assistance or additional information consult
a qualified installer, service agency, or the gas supplier.
88
Max.
Input Min. Input
BTU/h BTU/h
38,000 25,000
36,000 25,000
IFT 38,000 25,000
IFT 36,000 25,000
Natural Liquid Propane
5.5" w.c. 11.0" w.c.
10.0" w.c. 13.0" w.c.
3.5" w.c. 10.0" w.c.
WARNING
Vermont Castings • Radiance RADVT Installation Manual_R4 • 04/19
G. Vent Terminations & Clearances
Horizontal Termination
The vent must rise vertically a minimum of 24" (610 mm) off
the top of the unit, before the first elbow. The horizontal run
may extend up to 20' (6m) and include a vertical rise of up to
40' (12 m). (Figure 7) Horizontal termination must also meet
the criteria shown in Figures 2.11 and 2.12.
• Approved vent systems must terminate above and
including the heavy line in Figure 2.7.
• Two 45° elbows may be substituted for each single 90°
elbow.
• With a rise between 2' - 5', one 90° or two 45° elbows
may be used.
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
16
15
14
13
12
11
10
9
One 90°
8
Elbow
7
6
5
4
3
2
1
0
1 2 3 4 5 6
Horizontal Run (in feet)
Figure 2.7 - Horizontal vent termination window.
May use up to
three 90° Elbows
No Restrictor Plate
Required
Unacceptable
Venting Configuration
7 8 9 10 11 12 13 14 15 16 17 18 19 20
3-90-30007498
ST134b
Radiance
Horizontal
vent run
6/07