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www.goodmanmfg.com

SS-GMEC80/GCEC80

SS-GMEC80/GCEC80

www.goodmanmfg.com

PB

Goodman Manufacturing Company, L.P., reserves the right to discontinue, or change at any time, specifications or designs without 

 

notice or without incurring obligations. © 2021  •  Goodman Manufacturing Company, L.P.  •  Houston, Texas  •  Printed in the USA. 

Wiring Diagram

Wiring 

is 

su

bject 

to 

cha

ng

e. 

Alw

ay

re

fer 

to 

the

 wiring 

dia

gr

am 

or 

the 

unit 

for 

the 

mos

t up-t

o-da

te 

wiring.

    

W

arning

High 

Volt

ag

e:

 Disc

onnect 

all 

po

w

er 

be

for

ser

vicing 

or 

ins

talling 

this 

unit. 

Multiple 

po

w

er 

 

sour

ces 

ma

be 

pr

esen

t. 

Failur

to 

do 

so 

ma

cause 

pr

operty 

damag

e, 

per

sonal 

injur

y, 

or 

dea

th.

GN

GND

COLOR CODES:

GN GREEN

RD RED

GY GRAY

PU PURPLE

PK PINK

BK BLACK

BL BLUE

WH WHITE

BR BROWN

YL YELLOW

OR ORANGE

GND

BK

RD

GN

GN

24

VAC

115

VAC

GND

GR
D

BK

YLO Y W1 W2 R G C TWIN

N.E.C. CLASS 2 WIRE

0140F02480-A

BR

PK

GY

OR

GN

BL

YL

S1

BK

HUM

X-

FM

R

L1

CI

RC-
H

EAC
-H

5

2

1

4

3

24 V 3 A

FUSE

NEUTRAL

DIAGNOSTIC

LED'S

5 CI

RCUI

T CO
NN

ECT

O

R

10

6

3

4
5

2

7

11

1

12

8
9

FUSE 3 A

MICRO

TO

PS2 (2)

TR (9)

G

HI

C

TH (5)

24

V T

H

ERM
O

ST

AT

 CO
NNE
CT

IO

N

S   N.
E.C.

 CL
AS

S 2

 W

IRE

VALVE

GAS

W2

TRANSFORMER

HLI (6)

Y2

Y1

HLO (11)

GND (4)

O

MVL (7)

NO

W1

C

R

CONTROLS

AUTO RESET AUXILIARY LIMIT

LIMIT CONTROLS

MANUAL RESET ROLLOUT

PRESS. SWTICH

HIGH FIRE

C

SWITCH

LOW FIRE PRESS

MVH (1)

DEHUM

GND

PS1 (12)

LIMIT CONTROL

AUTO RESET PRIMARY

24 VAC

NO

PM

MVC (8)

INTEGRATED CONTROL MODULE

C

BLWR

AIR

INDOOR

CIRCULATOR

R

TO

MICRO

TO

TO

+VDC

EAC

HUMIDIFIER

ID

NEUTRAL

WIRING TO UNIT

L

INT

EG

RA

TE

D CO

NT

RO
L M

O

DUL
E

HOT SURFACE

GND

BLWR

NEUTRAL

WARNING:

GROUNDED.

OVERCURRENT PROTECTION DEVICE

MUST BE PROPERLY

SWITCH

NEUTRAL

ELECTRONIC

AIR

IGN

IND HI

DISCONNECT

FS

POLARIZED AND

NEUTRAL

LINE

NEUTRAL

JUNCTION BOX

BLWR

IND LO

N

INDOOR

AIR CLEANER

HUM

DOOR

NEUTRAL

INT

EG

RA

TE

D CO

NT

RO
L M

O

DUL
E

TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH

115 VAC

HUM-OUT

IGNITER

CIRCULATOR

BEFORE SERVICING.

FLAME SENSOR

DISCONNECT POWER

LINE

GND

T1 T2

OR

BR

BK

WH WH

WH

WH

PU

GY

YL

OR

BR

PK

RD

WH

BK

PU

GY

BR

OR

RD

OR

BL

RD

WH

WH

LINE

LIMIT CONTROL

AUXILIARY

AUTO RESET

PK

WARNING:DISCONNECT

TR

AN

SFO

RM

ER

40 V
A

PU

N

NO

G

C

SWITCH

PRESSURE

LOW FIRE

SENSOR

FLAME

1 ROLL OUT SWITCH

SOME UNITS MAY HAVE

C

TO UNIT MUST BE

BL

BK

AND GROUNDED.

1

JUNCT

IO

N

 B

O

X

WH

SWITCH (PRESS.)

FIELD SPLICE

FIELD GND

3

GN

BL

BR

WH

NO

LIMIT CONTROL

AUTO RESET PRIMARY

WH

1

OR

WH

L

PU

GY

BK

SWITCH ASSEMBLY

ID BLOWER TWO-STAGE PRESSURE

OR

WH

SERVICING. WIRING

EQUIPMENT GND

       INTERNAL TO

SWITCH

PRESSURE

HIGH FIRE

PROT. DEVICE

INTEGRATED CONTROL

PK

PU

PLUG CONNECTION

L

N

BK

C

DOOR OPEN)

(OPEN WHEN

DOOR SWITCH

COMPARTMENT

BLOWER

SWITCH (TEMP.)

GND

1

BLOWER

CIRCULATOR

JUNCTION

OR

40 VA

Ø /60 HZ

DISCONNECT

(WHITE RODGERS)

GAS VALVE

TWO STAGE

OVERCURRENT

CONNECTOR

2 CIRCUIT

LOW VOLTAGE (24V)

GND

WH

CH

AS

SIS

 GR
OU
ND

2

3

IGNITER

SURFACE

HOT

2

YL

PU

2

C

BLOWER

DRAFT

INDUCED

BK

PM

BK

BLOWER COMPARTMENT

115 VAC/ 1

 OVERCURRENT

BK

HARNESS

ECM MTR

HI

TERMINAL

OR

POWER BEFORE

IGNITER

RD

BK

TO

BK

POWER SUPPLY WITH

BURNER COMPARTMENT

PROTECTION DEVICE

PROPERLY POLARIZED

RD BK

OR

BL

LOW VOLTAGE FIELD

HI VOLTAGE (115V)

HI VOLTAGE FIELD

RAPID

= TWINNING ERROR

STEADY ON = INTERNAL GV ERROR, MICRO AND FREQUENCY CHECK

1 FLASH = FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT

4 FLASHES = OPEN LIMIT SWITCH

0

4

3

2

1

RED LED FLASH CODE

2 FLASHES = PRESSURE SWITCH STUCK CLOSED/INDUCER ERROR
3 FLASHES = 1ST STAGE PRESSURE SWITCH STUCK

OPEN/INDUCER ERROR

5 FLASHES = OPEN ROLLOUT/OPEN FUSE DETECTED
6 FLASHES = PRESSURE SWITCH CYCLE LOCKOUT
7 FLASHES = EXTERNAL LOCKOUT (RETRIES)

9

6

5

7

8

8 FLASHES = EXTERNAL LOCKOUT (RECYCLES)

9 F GROUNDING OR REVERSED POLARITY
10 FLASHES = GAS FLOW WITH NO CALL FOR HEAT
11 FLASHES = LIMIT SWITCH OPEN-BLOWER FAILURE
12 FLASHES = IGNITOR RELAY FAILURE

11

10

12

3 DOUBLE FLASHES = 2ND STAGE PRESSURE SWITCH

STUCK OPEN/INDUCER ERROR

3 FLASHES = W2 PRESENT WITH NO W1

2 FLASHES = NORMAL OPERATION WITH

CALL FOR 2ND STAGE HEAT

1 FLASH = NORMAL OPERATION WITH CALL FOR

1ST STAGE HEAT (W1)

2

4

3

1

4 FLASHES = Y PRESENT WITH NO G CALL, YLO

PRESENT WITH NO G CALL

AMBER LED FLASH CODE

RAPID = LOW FLAME SENSE CURRENT

RAPID = NORMAL OPERATION WITH CALL FOR FAN (G)

STEADY ON = STANDBY

1 FLASH = NORMAL OPERATION WITH CALL FOR

LOW STAGE COOL (YLO + G)

0

2

1

GREEN LED FLASH CODE

2 FLASHES = NORMAL OPERATION WITH CALL FOR HIGH

STAGE COOL/ OR SINGLE STAGE COOLING (Y + G)

0

1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.

NOTES:

$

2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED

WHEN SERVICING.

MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL

HAVING A TEMPERATURE RATING OF AT LEAST 105 C. USE COPPER

CONDUCTORS ONLY.

4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C.

AND LOCAL CODES.

5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT,

DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY

(NO THERMOSTAT INPUTS)

3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE

S3

S2

T5

T3 T4

RD

CO
M

BK

5

4
3

2

1

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Summary of Contents for GCEC80

Page 1: ...anagement District SCAQMD on or after October 1 2019 AHRI Certified ETL Listed Cabinet Features Fully insulated heavy gauge steel cabinet with durable baked enamel finish Multi position installation G...

Page 2: ...zontal N Natural Gas C Downflow Horizontal X Low NOx Motor Cabinet Width V Variable Speed ECM ComfortBridge A 14 C 21 E Multi Speed ECM S Single Speed B 17 D 24 Gas Valve Maximum CFM M Modulating S Si...

Page 3: ...Blower Size D x W 10 x 6 10 x 6 10 x 8 10 x 8 10 x 10 10 x 10 10 x 10 11 x 10 10 x 10 10 x 10 11 x 10 Horsepower RPM 1 2 1 2 1 2 1 2 3 4 3 4 3 4 3 4 3 4 1 1 Speed 5 5 5 5 5 5 5 5 5 5 5 Vent Diameter 4...

Page 4: ...nt Diameter 4 4 4 4 4 4 No of Burners 3 3 3 4 4 5 Electrical Data Min Circuit Ampacity 8 7 8 7 8 7 12 45 15 32 15 32 Max Overcurrent Device amps 15 15 15 15 20 20 Ship Weight lbs 105 107 107 121 129 1...

Page 5: ...essibility clearances are greater Refer to the appropriate USA and Canadian codes In the USA the National Fuel Gas Code NFPA 54 ANSI Z223 1 In Canada the Canada National Standard of Canada CAN CSA B14...

Page 6: ...C800603A 14 12 GCEC800603B 17 16 GCEC800804B 17 16 GCEC800805C 21 19 GCEC801005C 21 19 Model Description GMEC80 0403A GMEC80 0603B GMEC80 0803B GMEC80 0804B GMEC80 0804C GMEC80 0805C GMEC80 0805D GMEC...

Page 7: ...S2 3 S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 591 568 518 463 411 355 300 243 ON OFF OFF G 1104 1058 1020 1022 1013 981 952 918 ON ON OFF G...

Page 8: ...3 S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 716 647 592 541 478 420 368 296 ON OFF OFF G 1054 1002 951 906 861 820 797 754 ON ON OFF G 656...

Page 9: ...S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1025 850 754 670 594 520 443 366 ON OFF OFF G 1258 1179 1115 1030 954 885 814 776 ON ON OFF G 103...

Page 10: ...3 S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1040 973 936 918 859 805 770 720 ON OFF OFF G 1401 1366 1320 1278 1236 1194 1153 1112 ON ON OFF...

Page 11: ...4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1175 1098 1024 947 883 823 764 703 ON OFF OFF G 1547 1506 1474 1442 1390 1332 1273 1222 ON ON OFF G 1...

Page 12: ...0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1626 1574 1524 1479 1433 1410 1400 1358 ON OFF OFF G 2169 2116 2070 2038 2003 1970 1933 1897 ON ON OFF G 803 719 631 540 471 337 298 265...

Page 13: ...5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 553 496 436 372 308 252 198 N A ON OFF OFF G 750 703 651 600 553 504 456 409 ON ON OFF G 923 865 824 802 759 715 674 631 OFF ON...

Page 14: ...S2 3 S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1079 1019 975 934 890 850 808 791 ON OFF OFF G 1328 1274 1231 1191 1155 1114 1081 1047 ON ON...

Page 15: ...4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1155 1100 1048 1002 952 907 861 816 ON OFF OFF G 1418 1376 1333 1288 1248 1206 1163 1124 ON ON OFF G...

Page 16: ...6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1133 1009 956 903 856 804 774 722 ON OFF OFF G 1402 1358 1317 1274 1234 1195 1154 1113 ON ON OFF G 706 631 563 486 404 338 280 232...

Page 17: ...S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1130 1071 1027 973 922 870 817 787 ON OFF OFF G 1408 1369 1319 1282 1242 1193 1150 1109 ON ON OFF...

Page 18: ...5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1352 1281 1218 1152 1076 1026 964 901 ON OFF OFF G 1669 1595 1527 1463 1407 1363 1336 1289 ON ON OFF G 822 754 652 566 499 428...

Page 19: ...S2 4 STATIC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1450 1382 1314 1243 1181 1115 1047 973 ON OFF OFF G 1886 1822 1758 1701 1646 1591 1535 1482 ON ON...

Page 20: ...7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1436 1402 1362 1313 1244 1182 1132 1079 ON OFF OFF G 1782 1744 1715 1700 1660 1619 1579 1510 ON ON OFF G 1171 884 667 576 495 399 338 3...

Page 21: ...0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1424 1378 1330 1274 1226 1172 1119 1071 ON OFF OFF G 1810 1764 1718 1682 1633 1596 1549 1510 ON ON OFF G 789...

Page 22: ...0 8 T STAT CALL CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 1381 1324 1274 1220 1164 1137 1109 1049 ON OFF OFF G 1831 1770 1723 1677 1630 1590 1547 1506 ON ON OFF G 815 742 662 590 503 422 362 299...

Page 23: ...UTPUT vs TEMPERATURE RISE CHART TEMPERATURE RISE 600 CFM 700 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 CFM FORMULAS BTU OUTPUT CFM x 1 08 x RISE RISE BTU OUTPUT 1 08 CFM 800 Temperature Rise Ou...

Page 24: ...RESSURE OR WH SERVICING WIRING EQUIPMENT GND INTERNAL TO SWITCH PRESSURE HIGH FIRE PROT DEVICE INTEGRATED CONTROL PK PU PLUG CONNECTION L N BK C DOOR OPEN OPEN WHEN DOOR SWITCH COMPARTMENT BLOWER SWIT...

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