Vent/Flue Pipe & Combustion Air Pipe - Amana xMVM97 series Installation Instructions Manual

*MVM97/*CVM97 Direct Vent (2 - Pipe) and Non-Direct Vent (1- Pipe)
Maximum Allowable Length of Vent/Flue Pipe & Combustion Air Pipe (ft)
Unit
Pipe Size
Input
(4)
(in.) 0 1
(Btu)
2
60,000 250 245
or 2 1/2
2
80,000 250 245
or 2 1/2
80,000 3 250 243
2
100,000 90 85
or 2 1/2
100,000 3 250 243
2
120,000 75 70
or 2 1/2
120,000 3 220 213
1) Maximum allowable limits listed on individual lengths for inlet and flue
and NOT a combination.
2) Minimum requirement for each vent pipe is five (5) feet in length
and one elbow/tee.
3) Tee used in the vent/flue termination must be included when deter-
mining the number of elbows in the piping system.
4) 2 1/2" or 3" diameter pipe can be used in place of 2" diameter pipe.
5) Increased Clearance Configurations using (2) 45 deg. elbows should
be considered equivalent to one 90 deg. elbow.
6) One 90° elbow should be secured to the combustion air intake
connection.
V /F P T
ENT LUE IPE ERMINATIONS
NOTE: If either a 90 degree or 45 degree elbow is used for
termination, it must be pointed downward.
The vent/flue pipe may terminate vertically, as through a roof,
or horizontally, as through an outside wall.
Vertical vent/flue pipe terminations should be as shown in the
following figure. Refer to Vent/Flue Pipe and Combustion Air
Pipe - Termination Locations for details concerning location re-
strictions. The penetration of the vent through the roof must be
sealed tight with proper flashing such as is used with a plastic
plumbing vent.
Horizontal vent/flue pipe terminations should be as shown in the
following figure. Refer to Vent/Flue Pipe and Combustion Air
Pipe - Termination Locations for details concerning location re-
strictions. The wall penetration should be sealed with sili-
cone caulking material.
NOTE: Terminate both pipes in the same pressure zone
(same side of roof, no major obstacles between pipes,
etc.).
(3) (5)
Number of Elbows
2 3 4 5 6
240 235 230 225 220
240 235 230 225 220
236 229 222 215 208
80 75 70 65 60
236 229 222 215 208
65 60 55 50 45
206 199 192 185 178
(6)
(1) (2)
COMBUSTION AIR INTAKE
7 8
(OPTIONAL)
*Not required for
single pipe installation
215 210
215 210
201 194
INTAKE
SCREEN
55 50
OPTIONAL
201 194
40 35
12" MIN TO ROOF OR HIGHEST
ANTICIPATED SNOW LEVEL
171 164
Above Highest Anticipated Snow Level
V /F & C
ENT LUE
If there is a difference between the vent and combustion air
pipes, count the pipe with the most fittings. Elbows and/or
tees used in the terminations must be included when determin-
ing the number of elbows in the piping systems.
If the combustion air intake pipe is to be installed above a fin-
ished ceiling or other area where dripping of condensate will be
objectionable, insulation of the combustion air pipe may be re-
quired. Use 1/2" thick closed cell foam insulation such as
Armaflex™ or Insultube™ where required.
Figure 13
ELBOWS
STRAIGHT
Figure 14
12" MIN.
VENT/FLUE TEE (
or
45° ELBOW
TURNED DOWN or
90° ELBOW TURNED
DOWN
12" MIN. ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL
Horizontal Termination (Single Pipe)
Figure 15
A P L
OMBUSTION IR IPE ENGTHS
TEE (OPTIONAL)
12" MIN
HEIGHT DIFFERENCE
BETWEEN
INTAKE AND VENT
OPTIONAL)
& D
IAMETERS
19