Vermont Castings Intrepid INDVR Series User Manual

8 20012761
The installation 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. (EXCEPTION:
Do not derate this appliance for altitude. Maintain the
manifold pressure at 3.5” w.c. for Natural Gas and 10”
w.c. for Propane.)
High Elevations
Input ratings are shown in BTU per hour and are
certied 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/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 (1,370m).
Horizontal Termination:
Except for straight-through the wall vent installations.
The vent must rise vertically a minimum of 24” (610 mm)
after the rst elbow directly off the back of the unit, before
the next elbow. The horizontal run may extend up to 20’ (6
m) and include a vertical rise of up to 40’ (12 m). (Figure 7)
Horizontal termination must also meet the criteria shown in
Figures 11 and 12.
• Approved vent systems must terminate above and including
the heavy line in Figure 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 (Excluding the rst elbow directly off the back of
the unit.
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Vertical Run (in feet)
Measured after the first elbow. (Transition elbow)
Horizontal Run (in feet)
21
22
23
24
25
26
27
28
29
30
ST134a
FDV28
Horizontal
vent run
12/3/99 djt
areas modified
1/11/00 djt
May use up to
four 90° Elbows
(Including elbow
directly off back of
unit.)
Two 90°
Elbows
Unacceptable
Venting Conguration
Unacceptable
Venting Conguration
Figure 7 - Horizontal vent termination window.
Gas Specications
Model Fuel
Gas
Control
Max.
Input
BTU/h
Min.
Input
BTU/h
INDVR Series Natural Millivolt 18,500 12,500
INDVR Series Propane Millivolt 16,000 12,000
Weight: Fully assembled 350 lbs.
Air Shutter Setting
Minimum Injector Air Inlet Opening
Model Natural Gas LP (Propane)
INDVR 1/2" Open 1/2" Open
Gas Inlet Manifold Pressure
Natural Gas LP (Propane)
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" w.c.
WARNING
!
Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damage. Refer to this manual for correct
installation and operational procedures. For
assistance or additional information consult a
qualied installer, service agency, or the gas
supplier.

Vermont Castings Intrepid INDVR Series Specifications

General

Brand	Vermont Castings
Model	Intrepid INDVR Series
Category	Gas Heater
Language	English