Electrical Connections; Sizing Between First And Second Stage Regulator; Wiring Harness; 115 Volt Line Connections - Goodman GMEC96 Series Service And Troubleshooting

Two stage furnace with multi-speed ecm motor
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SYSTEM OPERATION
I
F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
D
O NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
WHAT TO DO IF YOU SMELL GAS
D
O NOT TRY TO LIGHT ANY APPLIANCE.
D
O NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY
PHONE IN YOUR BUILDING.
I
MMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR'S
F
PHONE.
OLLOW THE GAS SUPPLIER'S INSTRUCTIONS.
I
F YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE
DEPARTMENT.
I
NSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.

Sizing Between First and Second Stage Regulator*

Maximum Propane Capacities listed are based on 2 psig pressure drop at 10 psig setting.
Capacities in 1,000 BTU/hour.
Pipe or
Tubing Size, O.D. Type L
Tubing
Length
Feet
3/8"
1/2"
10
730
1,700
20
500
1,100
30
400
920
40
370
850
50
330
770
60
300
700
80
260
610
100
220
540
125
200
490
150
190
430
175
170
400
200
160
380
To convert to capacities at 15 psig settings - multiply by 1.130
To convert to capacities at 5 psig settings - multiply by 0.879
Sizing Between Second or Second Stage Regulator & Appliance*
Maximum Propane Capacities listed are based on 1/2" W.C. pressure drop at 11" W.C. setting.
Capacities in 1,000 BTU/hour.
Pipe or
Tubing Size, O.D. Type L
Tubing
Length
Feet
3/8"
1/2"
5/8"
10
39
92
199
20
26
62
131
30
21
50
107
40
19
41
90
50
18
37
79
60
16
35
72
1,211
80
13
29
62
100
11
26
55
125
10
24
48
150
9
21
43
200
8
19
39
250
8
17
36
*Data in accordance with NFPA pamphlet No. 54
Propane Gas Piping Charts
22
WARNING
:
Nominal
Pipe Size
Schedule 40
5/8"
3/4"
7/8"
1/2"
3,200
5,300
8,300
3,200
220
3,700
5,800
2,200
2,000
2,900
4,700
1,800
1,700
2,700
4,100
1,600
1,500
2,400
3,700
1,500
1,300
2,200
3,300
1,300
1,200
1,900
2,900
1,200
1,000
1,700
2,600
1,000
900
1,400
2,300
900
830
1,300
2,100
830
780
1,200
1,900
770
730
1,100
1,800
720
Nominal Pipe Size
Schedule 40
3/4"
7/8"
1/2"
3/4"
1"
329
501
275
567
1,071 2,205 3,307
216
346
189
393
732
181
277
152
315
590
145
233
129
267
504
131
198
114
237
448
187
103
217
409
104
155
89
185
346
90
138
78
162
307
81
122
69
146
275
72
109
63
132
252
66
100
54
112
209
60
93
48
100
185
When installing a propane storage tank, the contractor
must consider proper tank sizing, safety, efficiency, ground
characteristics and aesthetics. For a residential customer,
the size may range from 100-1,000 gallons, depending on
household use. Typically, a 500 gallon tank is ample for an
average four-bedroom home. However, it is best to consult
your local propane supplier to ensure the proper sizing for
propane storage requirements. Determining the correct tank
size for each household is a function of demand, economy,
efficiency and convenience. It is a process that requires
cooperation between the propane supplier and customer.

ELECTRICAL CONNECTIONS

T
O AVOID THE RISK OF ELECTRICAL SHOCK, WIRING TO THE UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
HIGH VOLTAGE
D
ISCONNECT
INSTALLING THIS UNIT.
3/4"
BE PRESENT.
7,500
DAMAGE, PERSONAL INJURY OR DEATH.
4,200
4,000
3,700
3,400
L
3,100
ABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS.
W
2,600
IRING ERRORS CAN COUSE IMPROPER AND DANGEROUS OPERATION.
V
2,300
ERIFY PROPER OPERATION AFTER SERVICING.
2,100
1,900

WIRING HARNESS

1,700
The wiring harness is an integral part of this furnace. Field
1,500
alteration to comply with electrical codes should not be
required. Wires are color coded for identification purposes.
Refer to the wiring diagram for wire routings. If any of the
original wire as supplied with the furnace must be replaced,
it must be replaced with wiring material having a temperature
rating of at least 105° C. Any replacement wiring must be
copper conductor.
1-1/4" 1-1/2"

115 VOLT LINE CONNECTIONS

Before proceeding with electrical connections, ensure that
1,496 2,299
the supply voltage, frequency, and phase correspond to
1,212 1,858
1,039 1,559
that specified on the unit rating plate. Power supply to the
913
1,417
furnace must be N.E.C. Class 1, and must comply with all
834
1,275
applicable codes. The furnace must be electrically grounded
724
1,066
in accordance with local codes or, in their absence, with the
630
976
latest edition of The National Electric Code, ANSI NFPA 70
567
866
511
787
and/or The Canadian Electric Code CSA C22.1.
439
665
390
590
WARNING
WARNING
ALL
POWER BEFORE SERVICING OR
M
ULTIPLE POWER SOURCES MAY
F
AILURE TO DO SO MAY CAUSE PROPERTY
CAUTION

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