Amana AMVM97 Service Instructions Manual page 22

PRODUCT DESIGN
PREFERRED
ACCEPTABLE
22
TRANSITION NO LESS
THAN 45 DEGREES TO
HORIZONTAL PLANE TO
AVOID CREATING A WATER
TRAP IN VENT PIPING.
NO TRANSITION ON
HORIZONTAL PLANE,
THIS CREATES A
WATER TRAP AND
RESTRICTS FLUE
GASES
*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 de-
termining 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.
(3) (5)
Number of Elbows
2 3 4 5 6
240 235 230 225 220 215
240 235 230 225 220 215
236 229 222 215 208 201
80 75 70 65 60 55
236 229 222 215 208 201
65 60 55 50 45 40
206 199 192 185 178 171
(6)
(1) (2)
7 8
210
210
194
50
194
35
164