Goodman GCH9 Installation Instructions Manual Download Page 37

37

GMH95 & GCH9

GMH95 & GCH9

GMH95 & GCH9

GMH95 & GCH9

GMH95 & GCH9

©

 2006 Goodman Manufacturing Company, L.P.

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

WIRING DIAGRAM

TO AVOI

P

O

SSI

B

L

E ELECTRI

CAL SHOCK,

 PERSO

NAL I

N

JURY,

OR DEATH,

 DI

SCO

N

NECT THE POW

E

B

E

FORE SE

RVI

C

IN

G.

WAR

N

IN

G

!

R

YL

 

YELLOW

OR

 

ORANGE

PU

 

PURPLE

GN

 

GREEN

BK

 

BLACK

BR

 

BROWN

WH

 

WHITE

BL

 

BLUE

GY

 

GRAY

RD

 

RED

COLOR

 

CODES:

LOW

 

VOLTAGE

 

(24V)

LOW

 

VOLTAGE

 

FIELD

HI

 

VOLTAGE

 

(115V)

HI

 

VOLTAGE

 

FIELD

NOTES:

1.

 

SET

 

HEAT

 

ANTICIPATOR

 

ON

 

ROOM

 

THERMOSTAT

 

AT

 

0.7

 

AMPS.

2.

 

MANUFACTURER'S

 

SPECIFIED

 

REPLACEMENT

 

PARTS

 

MUST

 

BE

 

USED

 

WHEN

 

SERVICING.

0140F00098

 

REV.--

 

OR

 

(MED

 

LOW)

 

BL

 

(MED)

 

RD

 

(LOW)

GAS

 

VALVE

C

PM

C

G

W

       

INTERNAL

 

TO

INTEGRATED

 

CONTROL

JUNCTION

EQUIPMENT

 

GND

FIELD

 

GND

DIAGNOSTIC
LED

2

 

CIRCUIT

CONNECTOR

HOT
SURFACE
IGNITER

 

OVERCURRENT

PROT.

 

DEVICE

IGNITER

TH

 

(3)

INTEGRATED
CONTROL MODULE

JUNCTION

 

BOX

LINE-H

LINE-N

XFMR-H

IN

TE
GRA

T

E

D

 CO

NTR

O

L

 MO

DUL

E

IN

TE
GRA

T

ED

 CONTROL

 MODU

L

E

GND

DISCONNECT

L

N

OVERCURRENT

 

PROTECTION

 

DEVICE

BR

GY

RD

BL

BK

4.

 

IF

 

HEATING

 

AND

 

COOLING

 

BLOWER SPEEDS

 

ARE

 

NOT

 

THE

 

SAME,

 

DISCARD

 

JUMPER

 

BEFORE

 

CONNECTING

 

BLOWER

 

LEADS.

 

UNUSED

 

  

BLOWER

 

LEADS

 

MUST

 

BE

 

PLACED

 

ON

 

"PARK"

 

TERMINALS

 

OF

 

INTEGRATED CONTROL

 

OR

 

TAPED.

3.

 

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

TERMINAL

SWITCH

 

(PRESS.)

5.

 

UNIT

 

MUST

 

BE

 

PERMANENTLY

 

GROUNDED

 

AND CONFORM

 

TO

 

N.E.C.

 

AND

 

LOCAL

 

CODES.

PK

 

PINK

115

 

VAC

 

HOT

 

AND

 

PARK

 

TERMINALS

LINE-H

FLAME
SENSOR

FRONT

 

COVER

PRESSURE SWITCH

N
O

C

GY

BK

PLUG

 

CONNECTION

FIELD SPLICE

SWITCH

 

(TEMP.)

OR

24V THERMOSTAT

CONNECTIONS

GR

GND

115 VAC

24 VAC

BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN

DOOR OPEN)

DOOR
SWITCH

BK

GND

L

N

WH

JUNCTION

 

BOX

1

 

OR

ID

 

BLOWER

PRESSURE
SWITCH

HEAT-H

GND

WH

RD

WH

GND

BURNER

 

COMPARTMENT

BLOWER

 

COMPARTMENT

NOTE

 

4

SEE

N
O

COOL-H

 

BK

 

(HI)

BR

BR

CAPACITOR

YL

WH

YL

BL

PU

 

RD

OR

PK

BK

WH

WH

BLOWER

INDUCED

 

DRAFT

MANUAL

 

RESET

AUXILIARY

 

LIMITS

(1)

 

IN

 

UPFLOW

      

BLOW ER

 

DECK

(2)

 

IN

 

C'FLOW

      

BLOW ER

 

HOUSING

C

FS

HI

HE

AT

-H

LO

HE

AT

-H

IGNITER

HOT SURFACE

XFMR-N

IND

IGN

CIR-N

EAC-N

EAC-H

AIR

 

CLEANER

ELECTRONIC

BLWR

CIRCULATOR

BLWR

ID

FLAME SENSOR

115

 

VAC

TRANSFORMER

40

 

VA

24

 

VAC

GND

RO1

 

(5)

RO2

 

(11)

HLO

 

(1)

HLI

 

(7)

MVC (9)

GND (8)

TR (6)

OR

WH

WH

BL

YL

OR

RD

GR

BR

 

PK

PK

GY

WH

1

1

5

 V

A

C

 NE
U

T

RA

L

BK

BK

BK

GY

2

4

V THER

M

O

ST
A

T

 CO

N

N

E

C

TI

ONS

MICRO

TO

C

G

Y

W

R

2

WH

OR

BL

YL

OR

OR

GY

PK

RD

OR

GY

WH

XFMR-N

XF
M

R

-H

TE
R

M

IN
A

L

S

GY

OR

GR

BR

1

2

3

12

11

10

9

8

7

6

5

4

°C.

 

USE

 

COPPER

 

CONDUCTORS

 

ONLY.

24 VAC

HUMIDIFIER

24

 

VAC

HUMIDIFIER

HUMIDIFIER

PSO

 

(4)

MVL(2)

PS

 

(10)

C

NO

C

NO

FRONT

 

COVER

PRESSURE

 

SWITCH

ID

 

BLOWER

PRESSURE

SW ITCH

0

C

7

6

5

4

3

2

1

OFF           

 

   = CONTROL FAILURE

   STEADY ON = NORMAL OPERATION

   1 FLASH       =

   2 FLASHES  = PRESSURE SWITCH STUCK CLOSED

   3 FLASHES  = PRESSURE SWITCH STUCK OPEN

   4 FLASHES  = OPEN HIGH LIMIT

   5 FLASHES  = FLAME SENSE WITHOUT GAS VALVE

   7 FLASHES  = LOW FLAME SIGNAL

   6 FLASHES  =

   CONTINUOUS/RAPID FLASHES = REVERSED 115 VA C POLARITY

CONTROL

MODULE

INTEGRATED

FUSE

ON

OFF

2ND
STAGE
DELAY

 

MODE

HEAT
OFF
DELAY

FS

 

 

1

2

3

 

HI

OR

OR

PM

GAS

VALVE

C

HI

MVH (12)

FACTORY

 

SETTINGS

SHOWN

*

*

*

*

SEE
NOTE 6

COOL-H

 

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

PU

ID-N

Y

6. TO RECALL THE LAST 5 FAULT S, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECO NDS WHILE IN
    STANDBY (NO THE RMOSTAT IN PUTS)

Summary of Contents for GCH9

Page 1: ...tall the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of common sense a matter of thinking before acting Most dealers have a list of s...

Page 2: ...ER VENT FLUE AND COMBUSTION AIR PIPING PRACTICES 13 TERMINATION LOCATIONS 13 CANADIAN VENTING REQUIREMENTS 14 STANDARD FURNACE CONNECTIONS 14 ALTERNATE FURNACE CONNECTIONS 14 NON DIRECT VENT SINGLE PI...

Page 3: ...XVIII Troubleshooting 32 ELECTROSTATIC DISCHARGE ESD PRECAUTIONS 32 DIAGNOSTIC CHART 32 FAULT RECALL 32 RESETTING FROM LOCKOUT 32 XIX Maintenance 32 ANNUAL INSPECTION 32 FILTERS 32 BURNERS 33 INDUCED...

Page 4: ...warranty certificate is also supplied with the unit Read the warranty carefully and note what is covered Keep the warranty cer tificate in a safe location for future reference If additional informatio...

Page 5: ...e Pipe Connection Alternate 15 Rubber Elbow 16 Induced Draft Blower 17 Electrical Connection Inlets Alternate 18 Coil Front Cover Pressure Tap 19 Coil Front Cover Drain Port 20 Drain Line Penetrations...

Page 6: ...The input rate and temperature rise are set per the furnace rating plate 100 outside air is provided for combustion air requirements during construction Temporary ducting can be used II SAFETY II SAF...

Page 7: ...ly air opening and the combustible floor Exposure to contaminated combustion air will result in safety and performance related problems Do not install the furnace where the combustion air is exposed t...

Page 8: ...tions of use g If improper venting is observed during any of the above tests the common venting system must be corrected halogen type refrigerants cleaning solutions such as perchloroethylene printing...

Page 9: ...ipping heavily insulated caulked vapor barrier etc addi tional air may need to be provided using the methods described in 5 3 3 b or 5 3 4 Space Unconfined For purposes of this Code a space whose volu...

Page 10: ...directly with an additional room s of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space The total input of all gas utilization equipment installed...

Page 11: ...ropriate in stallation positions ductwork connections and resulting airflow arrangements VII HO VII HO VII HO VII HO VII HORIZO RIZO RIZO RIZO RIZONT NT NT NT NTAL APPLI AL APPLI AL APPLI AL APPLI AL...

Page 12: ...s require an orifice change to compensate for the energy content difference between natural and propane gas High altitude installations may require both a pressure switch and an orifice change These c...

Page 13: ...nt flue pipe and a combustion air intake pipe Refer to the appropriate section for details concerning piping size length number of elbows furnace connections and terminations MATERIALS AND JOINING MET...

Page 14: ...rd against inadvertent blockage COMBUSTION AIR PIPE DIRECT VENT INSTALLATIONS On upflow units secure the combustion air intake pipe directly to the air intake coupling On counterflow units secure the...

Page 15: ...LT IN LEAKS CAUSING BODILY INJURY OR DEATH DUE TO EXPOSURE TO FLUE GASES INCLUDING CARBON MONOXIDE 7 Upflow and Counterflow units For upright installations externally mount the rubber elbow to the ven...

Page 16: ...r of elbows in the piping system Pipe Size 4 inc 2 3 4 5 6 7 8 045_3 2 68 65 62 59 56 53 50 070_3 2 68 65 62 59 56 53 50 070_4 2 46 43 40 2 16 13 10 3 68 65 62 59 56 53 50 090_5 3 68 65 62 59 56 53 50...

Page 17: ...ter pipe can be used in place of 2 diameter pipe 4 Increased Clearance Configurations using 2 45 deg Long Sweep elbows should be considered equivalent to one 90 deg elbow VENT FLUE AND COMBUSTION AIR...

Page 18: ...furnace NOTE If the alternate vent flue outlet is utilized in an upright installation the drain trap and drain connections must be located on the same side as the alternate vent flue outlet In horizon...

Page 19: ...Hose B with green hose clamps Ensure hoses and tubes maintain a downward slope for proper drainage and that they are not kinked or binding For details concerning mounting of the drain trap refer to S...

Page 20: ...ht down side panel grommet holes Secure tubes to Hose A and Hose B using green hose clamps Ensure hoses and tubes maintain a downward slope for proper drainage and are not kinked or bound For details...

Page 21: ...must be sized in accordance with the maximum overcurrent pro tection specified on the unit rating plate An electrical disconnect must be provided at the furnace location NOTE Line polarity must be ob...

Page 22: ...Blower pressure switch is powered anytime the pressure switch is closed and provides 24 VAC humidifier control Remove the yellow wire and connect the supplied brown jumper wire to the pressure switch...

Page 23: ...plying the furnace must be properly sized based on the gas flow required specific gravity of the gas and length of the run The gas line installation must comply with local codes or in their absence wi...

Page 24: ...ctors and semi rigid tubing against physical and thermal damage when installed Ensure aluminum alloy tubing and connectors are coated to protect against external corrosion when in contact with masonry...

Page 25: ...ne gas leak Rust can reduce the level of odorant in propane gas Do not rely on your sense of smell Contact a local propane gas supplier about installing a gas detecting warning system If the presence...

Page 26: ...uipped with means to prevent operation of either unit unless the damper is in the full heat or cool position When the furnace is installed without a cooling coil it is recom mended that a removable ac...

Page 27: ...bility of flue gases escaping through the drain system FURNACE OPERATION Purge gas lines of air prior to startup Be sure not to purge lines into an enclosed burner compartment Check for leaks using an...

Page 28: ...NT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE THE GAS MANIFOLD PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE ONLY MINOR ADJUSTMENTS SHOULD BE MADE BY ADJUSTING THE GAS VALVE PRESSURE REGULATOR...

Page 29: ...rtially open position 2 Place thermometers in the return and supply ducts as close to the furnace as possible Thermometers must not be influenced by radiant heat by being able to see the heat exchange...

Page 30: ...MODE DIP SWITCH IS SET TO 2 STG POSITION The normal operational sequence in sequence is as follows R and W thermostat contacts close initiating a call for heat Integrated control module performs safet...

Page 31: ...Y CIRCUIT DESCRIPTION XVII SAFETY CIRCUIT DESCRIPTION XVII SAFETY CIRCUIT DESCRIPTION XVII SAFETY CIRCUIT DESCRIPTION GENERAL A number of safety circuits are employed to ensure safe and proper furnace...

Page 32: ...e least recent fault RESETTING FROM LOCKOUT Furnace lockout results when a furnace is unable to achieve igni tion after three attempts during a single call for heat It is character ized by a non funct...

Page 33: ...AME SENSOR QUALIFIED SERVICER ONLY Under some conditions the fuel or air supply can create a nearly invisible coating on the flame sensor This coating acts as an insulator causing a drop in the flame...

Page 34: ...E LEA RE LEA RE LEAVIN VIN VIN VIN VING AN INST G AN INST G AN INST G AN INST G AN INSTALL ALL ALL ALL ALLA A A A ATI TI TI TI TIO O O O ON N N N N Cycle the furnace with the thermostat at least three...

Page 35: ...kage proper length elbows and termination Check drain system Correct as necessary Correct pressure switch setpoint or contact motion Tighten or correct wiring connection Pressure switch hose blocked p...

Page 36: ...e due to improper gas pressure or combustion air Induced draft blower and circulator blower runs continuously No furnace operation Integrated control module diagnostic LED is flashing FIVE 5 flashes F...

Page 37: ...NT COVER PRESSURE SWITCH N O C GY BK PLUG CONNECTION FIELD SPLICE SWITCH TEMP OR 24V THERMOSTAT CONNECTIONS GR GND 115 VAC 24 VAC BLOWER COMPARTMENT DOOR SWITCH OPEN WHEN DOOR OPEN DOOR SWITCH BK GND...

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