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Maytag Amana MES9 Series Installation Instructions Manual page 29

Single-stage gas furnace, type fsp category iv direct or non direct vent air furnace
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CONDENSOR
CONTACTOR COILS
NOTES:
1. ISOLATING RELAY MAY BE ELIMINATED IF LINE VOLTAGE
SUPPLY TO FURNACES IS THE SAME PHASE .
TO VERIFY PHASING:
A) VERIFY SOURCE IS EXACTLY THE SAME EITHER L1, L2,
OR L3 FROM THE SAME TRANSFORMER OR
B) CHECK WITH SCOPE OR PHASE METER
C) IF IN DOUBT USE RELAY
2. IF ISOLATING RELAY IS NOT USED, CONNECT FURNACE "W" TERMINALS TOGETHER.
Natural Gas Capacity of Pipe
In Cubic Feet of Gas Per Hour (CFH)
Length of
Pipe in Feet
1/2"
3/4"
10
132
278
20
92
190
30
73
152
40
63
130
50
56
115
60
50
105
70
46
80
43
90
40
100
38
(Pressure 0.5 psig or less and pressure drop of 0.3" W.C.; Based on
0.60 Specific Gravity Gas)
CFH = BTUH Furnace Input
Heating Value of Gas (BTU/Cubic Foot)
Connection method must be in compliance with
all local and national codes. US: National Fuel Gas
Code (NFGC) NFPA 54-2012/ANSI Z223.1-2012 and
the Installation Standards, Warm Air Heating and Air
Conditioning Systems ANSI/NFPA 90B.
In Canada, CANADA: National Standard of Canada,
Natural Gas and Propane Installation Code (NSCNGPIC)
CSA B149.1-15.
Connect the furnace to the building piping by one of
the following methods:
Rigid metallic pipe and fittings.
Semi-rigid metallic tubing and metallic fittings.
Aluminum alloy tubing must not be used in
TWINNING CONNECTION DIAGRAM
59-
5240
REV.0
E
E
E
E2
E3
1
2
3
5
2
03
RV1
K1
0
E4
2
CR1
8
K
C
C
6
2
1
K
CR
R
7
2
4
1
R
3
R11
R11
2
0
R2
R2
3
R11
0
R113
R1
1
R121 R115
R126
9
R12
R15
R125
R123
R150
0
R1
1
8
R1
R168
R170 R149
CR2
C2
2
R148
R117
R118
R119
6
4
C2
R1
R12
Q8
0
1
R13
2
R
R15
6
Q1
C
8
3
R13
1
1
R14
R1
7
CR3
4 0 R11
6
R9
4
4
C 4
C4
1
Q
C
CR2
E3
R
1
1
4
4
R11
7
R139
R10
1
0
CR27
R152
6
C1
0
CR4
2
R19
R169
R2
C3
R7
CR1
7
E18
5
9
2
0
2
C
TVS
1 8
R
2
1
R14
R98
R6
0
R7
7
CR1 R1
R173
2
R1
2
96 1
3
Q
R82 R1
1
C
9
R55
7
R
1
R9
E3
TVS1
R7
TP
R56
0
R65
U
4
R58
1
4
R35
TP
C33
8
R
R57
C1
R44
R48
1
3
R132
3
0
1
C1
R19
R6
R
1
C3
5
9
0
5
7
C3
1
6
SW
O
TP
OF
N
R20
R4
C1
2
1
F
1
1
1
1
R101
R210
2
R10
3
TP
R16
C1
5
1
C1
1
3
4
R1
4
R16
C2
R8
R34
R63
7
3
8
E2
R12
SW
4
1
R10
8
4
3
4
2
3
C
3
CR
33
R7
R95
R171
2
1
9
R9
R18
R18
R164
7
Q13
6
7
R172
R2
CR2
CR1
R1
R4
R10
9
R5
R4
6
38
7
C31
6
CR
4
6
CR
6
23
C1
CR9
1
CR
9
CR2
R183
O
6
CR14
0
1
OFF
N
R100
2
R8
R
R
1
R
6
96
3
1
4
R3
R59 R16 R87 R78 CR8
SW
DS
3
2
TP
D H U M
Y 1
W
1
5
CR5
CR2
Y / Y 2
TP
6
R9
0
E1
5
R3
R37
R6
R6
R6
R2
R25
8
R36
8
7
6
6
R24
Y W R G C
ROOM
THERMOSTAT
Nominal Black Pipe Size
1"
1 1/4"
520
1050
350
730
285
590
245
500
215
440
195
400
96
180
370
90
170
350
84
160
320
79
150
305
E3
7
1
C41
C42
K1
K
C4
K3
K4
3
C40
R1
R4
R7
R9
2
CR3
5
9
6
2
5
U
U
U
U
2
3
4
5
R2
R5
R8
R9
8
2
0
3
R
1
R4
R7
R8
Q
3
3
5
9
7
CR
CR19
3
CR15
CR
CR1
R175
Q16
Q
7
3
Q4
R177
5
E4
Q
CR3
R179
R176 C28
0
Q
3
6
R178
2
FLA ME
C U R R E N T
1V DC=1UA
R18
1
1
CR38
CR3
R2
Q1
C3
7
1
9
C2
4
7
C3
Q1
0
R18
8
0
R14
C2
5
C2
F
5
6
1
R21
R2
RV
7
2
C4
2
4
R154
E2
R156
CR
3
6
R1
1
46
R155
R15
R14
9
3
R134 R216
R213
CR28
R215
R133
E2
W
1
8
R20
R19
7
8
CR2
R20
2
0
C21
R10
R158
C3
9
5
R20
R16
9
6
C22
R10
CR25
4
Q12
R14
R14
R19
R20
1
2
7
2
W
2
R21
2
Q1
R13
CR3
R20
R20
R21
0
5
0
R10
K9
4
3
1
8
R160 R163
Q1
R157
4
R12
9
E2
Q
6
CR32
9
R162
K
R
G
C
8
CR1
7
R12
R12
7
4
E2
2
R9
R20
R20
R8
9
6
5
3
exterior locations. In order to seal the grommet
cabinet penetration, rigid pipe must be used to
reach the outside of the cabinet. A semi-rigid
1 1/2"
connector to the gas piping may be used from
1600
1100
there.
980
Use listed gas appliance connectors in accordance
760
with their instructions. Connectors must be fully in
670
610
the same room as the furnace.
560
Protect connectors and semi-rigid tubing against
530
490
physical and thermal damage when installed. Ensure
460
aluminum-alloy tubing and connectors are coated to
protect against external corrosion when in contact
with masonry, plaster, or insulation, or subjected to
repeated wetting by liquids such as water
(except rain water), detergents, or sewage.
The gas piping may enter the left or right side of the furnace
cabinet. The installer must supply rigid pipe long enough to
reach the outside of the cabinet to seal the grommet cabinet
penetration. A semi-rigid connector to the gas piping can be
used outside the cabinet per local codes. 1/2" NPT pipe and
fittings are required. For models with an "L" shaped man-
ifold, a 4 1/2" long nipple is required. For models with a
hook shaped manifold, a 2" long nipple is required.
A semi-rigid connector to the gas piping can be used outside
the cabinet per local codes. From the elbow, the length of
pipe and the fittings required will vary by the side chosen,
location of union and cabinet width. The union may be
placed inside or outside of the cabinet.
29
59-
5240
REV.0
E
E
E
1
2
3
03
RV1
E4
2
R11
R11
2
0
R11
R113
1
R121 R115
R126
R15
R125
R123
1
R150
R168
R170 R149
C2
CR2
R117
R148
4
6
C2
R12
Q8
0
2
R13
R15
6
Q1
3
C
R13
1
1
R1
R14
7
4 0 R11
6
CR3
4
C 4
4
C
1
E3
R
1
7
R139
4
R11
0
R152
6
1
CR27
C1
0
CR4
R19
R169
R7
2
CR1
5
E18
0
TVS
2
R14
R7
7
CR1 R1
2
96 1
C
R55
R
E3
TVS1
1
R7
R65
R56
0
U
R58
R35
1
8
R
R57
C1
R44
3
R48
1
0
1
R
1
C3
R6
5
7
0
1
O
SW
OF
N
R4
C1
1
F
1
1
1
2
3
4
R1
R8
R34
R63
8
SW
4
4
3
3
C
3
R7
2
1
9
R18
R18
R164
6
7
R172
R4
CR1
R5
R4
7
6
C31
4
6
CR9
CR
R183
O
6
CR14
1
OFF
N
2
R8
1
3
4
R3
R59 R16 R87 R78 CR8
SW
3
DS
2
TP
D H U M
1
CR5
5
Y / Y 2
TP
6
R9
0
E1
5
R3
R37
R6
R6
R6
8
R36
8
7
6
ISOLATING RELAY
(SEE NOTES)
E3
E2
E3
7
5
2
1
C41
C42
K1
K1
K
C4
3
C40
K3
K4
0
R1
2
R4
R7
R9
CR3
5
9
6
2
5
U
U
U
U
2
3
4
5
R2
R5
R8
R9
8
2
0
3
CR1
8
R
R4
R7
R8
1
3
5
9
Q
3
7
CR
CR15
CR19
3
K
CR
CR1
R175
Q16
Q
C
7
R177
3
C
E4
Q
Q4
5
CR3
6
2
R179
R176 C28
1
0
Q
3
6
R178
K
2
FLA ME
CR
R
7
C U R R E N T
2
4
1V DC=1UA
1
R18
R
1
1
3
CR38
R2
CR3
R2
Q1
C3
1
7
R2
3
C2
9
4
0
7
R1
9
C3
R12
Q1
0
R18
0
R1
8
R1
0
R14
8
C2
2
5
C2
F
R118
R119
5
R1
6
1
1
R
8
R21
R2
RV
7
2
C4
2
R9
4
C4
Q
CR2
1
4
R10
R2
7
C3
9
R154
2
2
C
E2
1 8
R156
R
CR
1
3
6
0
R1
1
R98
R6
46
R173
2
R1
R155
3
Q
R15
R82 R1
1
9
9
R14
7
3
R9
TP
R134 R216
4
4
CR28
R213
TP
C33
R215
3
C1
R132
R133
R19
5
E2
9
W
C3
1
6
8
R20
TP
R19
7
R20
2
1
8
CR2
R101
R20
2
R210
0
R10
C21
R10
C1
TP
5
R16
R158
9
3
1
C1
1
C3
R16
4
C2
5
R20
7
3
R16
E2
R12
9
1
6
4
R10
8
C22
2
CR25
R10
CR
4
Q12
R14
R14
R19
R20
33
1
2
7
2
R95
R171
R9
Q13
7
R2
CR2
W
R1
R10
9
38
R21
CR
2
6
2
CR
CR3
6
C1
Q1
R13
1
23
0
R20
R20
R21
9
0
5
R10
CR2
K9
4
3
1
R160 R163
8
0
Q1
R157
R100
4
R
R12
R
9
E2
R
6
96
Q
1
6
CR32
9
R162
K
Y 1
W
R
G
C
CR2
8
CR1
7
R12
R12
7
4
E2
R2
R25
R9
R20
R20
R8
2
6
R24
9
6
5
3

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