Goodman Mfg GAS-FIRED WARM AIR FURNACE MH950453,0704,0905D MH950703,0904,1155, Wiring Diagram

Page 49

WIRING DIAGRAM

*MH95[0453,0704,0905D]

*MH95[0703,0904,1155]

UNIT.

MAY

 

BEFORESERVICING OR INSTALLING THIS

MAY BE PRESENT. FAILURE TO DO SO

PERSONAL INJURY OR DEATH.

 

24 VAC

 

 

OR

 

 

 

 

 

HUMIDIFIER

 

 

 

 

GY

 

 

 

24 VAC

 

 

40 VA

 

 

 

 

 

 

 

 

 

 

 

 

115 VAC

 

 

TRANSFORMER

 

24V THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTIONS

 

 

 

 

 

 

 

 

 

C G R

W

Y

 

 

WH

 

 

 

 

 

 

 

BK

 

 

 

 

 

FUSE

 

 

 

 

 

OR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

2

1

PK

 

INTEGRATED

 

 

6

5

4

OR

 

CONTROL

 

 

 

 

 

 

 

 

 

 

MODULE

 

 

9

8

7

BL

GR

ON

OFF

 

 

 

12

11

10

 

 

2ND

 

 

YL

 

 

 

 

 

 

 

 

 

 

 

 

STAGE

 

 

 

 

 

 

 

 

 

DELAY*

 

GY

 

OR

OR

 

 

MODE

*

 

 

RD

BR

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

GY

 

 

 

 

HEAT

 

 

OR

 

 

 

 

*SHOWNFACTORY SETTINGSDELAY *

 

 

 

 

 

 

FS

 

TERMINALS

WH

 

LED

 

NOTE 6

 

XFMR-H

2

 

 

 

DIAGNOSTIC

SEE

 

 

 

 

 

 

 

115 VAC HOT AND PARK TERMINALS

1

 

 

WH

 

 

 

 

COOL-H

HEAT-H

 

 

 

 

BK

 

 

 

 

SEE

 

LINE-H

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

NOTE 4

 

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK (HI)

 

 

RD

 

PK

 

 

 

BL (MED)

 

 

 

 

 

 

 

 

OR (MED LOW)

 

 

 

 

 

 

RD (LOW)

 

BK

 

 

 

 

 

 

CIRCULATOR

 

 

 

 

BR BR

 

 

 

 

 

 

 

BLOWER

 

 

YL

 

WH

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOWER COMPARTMENT DOOR SWITCH (OPEN WHEN DOOR OPEN)

BK

BK

GY

 

PK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GR RD

 

 

 

 

 

 

 

 

 

 

YL

WH

 

 

 

 

 

 

 

GY

 

 

BL

 

 

 

OR

BR

 

 

 

 

HUMIDIFIER

 

INTEGRATED

 

 

 

 

 

 

 

 

 

CONTROL MODULE

 

 

TR (6)

 

 

 

 

 

 

 

 

 

GND (8)

 

 

 

GND

 

 

 

 

 

 

 

 

C

 

 

MVC (9)

 

 

 

 

 

 

 

 

 

 

 

 

GAS

 

 

MVH (12)

 

 

 

HI VALVE

 

 

 

 

 

PM

 

 

MVL(2)

 

 

 

 

C

C

 

 

 

 

NO

ID BLOWER

 

 

 

 

 

 

 

 

 

FRONT COVER

 

 

 

 

PRESSURE

 

 

PRESSURE SWITCH

 

SWITCH

G

 

PS (10)

 

 

 

 

C

NO

Y

TO

PSO (4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MICRO

HLI (7)

 

 

 

 

 

 

 

W

 

HLO (1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL RESET AUXILIARY AUTO RESET

R

 

 

 

 

 

 

LIMIT CONTROLS

PRIMARY

 

RO2 (11)

 

 

 

 

LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

RO1 (5)

 

 

 

 

 

 

 

 

 

 

 

MANUAL RESET ROLLOUT

 

 

 

 

 

LIMIT CONTROL(S)

 

 

TH (3)

 

 

 

(SINGLE CONTROL ON 45K BTU)

 

 

 

 

 

 

24 VAC

 

 

 

 

 

 

 

 

 

 

40 VA

 

 

 

 

 

 

 

 

TRANSFORMER

 

XFMR-H

 

 

 

 

 

115 VAC

 

 

 

 

 

 

 

 

FLAME SENSOR

 

 

 

FS

 

 

HOT SURFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITER

 

 

 

 

IGN

 

 

 

 

 

 

INTEGRATED

 

 

 

 

 

 

 

ID

 

 

 

IND

 

 

 

 

BLWR

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

H

 

L

 

 

 

 

 

 

O

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

T-

 

 

 

 

 

 

 

 

 

H

 

MODULE

 

 

 

I

 

 

BLWR

 

 

 

COOL-H

 

CIRCULATOR

 

 

 

H

 

 

H

 

 

 

 

 

 

 

-

 

 

 

 

 

 

T

 

 

 

 

 

 

A

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

HIGH VOLTAGE! DISCONNECT ALL POWER MULTIPLE POWER SOURCES CAUSE PROPERTY DAMAGE,

 

 

 

BLOWER COMPARTMENT

 

 

 

 

PU

 

 

 

 

ELECTRONIC

 

 

 

 

 

 

 

 

 

EAC-H

AIR CLEANER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BURNER COMPARTMENT

 

 

 

MANUAL RESET

 

 

LINE-H

 

 

 

 

 

 

 

 

AUXILIARY LIMITS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

(1) IN UPFLOW

 

 

 

 

 

JUNCTION BOX

 

 

 

 

 

 

 

BLOWER DECK

 

 

DOOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) IN C'FLOW

 

 

 

 

 

 

 

 

 

BK

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

BLOWER HOUSING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WH

 

 

 

WH

 

 

WARNING:

 

 

 

 

 

 

 

 

INDUCED DRAFT

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOWER

 

 

WH

 

 

 

DISCONNECT POWER

 

DISCONNECT

 

 

 

 

 

 

 

 

 

 

BEFORE SERVICING.

 

 

 

 

 

 

AUTO RESET

 

 

 

 

 

 

WIRING TO UNIT

 

 

 

 

 

 

PRIMARY LIMIT

 

 

 

PU

 

 

MUST BE

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

PROPERLY

 

 

 

 

 

 

 

 

 

 

 

 

BL

 

 

 

POLARIZED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AND GROUNDED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

GND

N

 

 

 

 

 

YL

 

 

 

 

 

 

 

 

 

RD

OR

 

 

 

 

OR

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERCURRENT PROTECTION DEVICE

 

 

N

 

C

 

 

 

PK

 

 

 

 

 

O

 

 

 

 

 

 

RD

 

 

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING:DISCONNECT POWER BEFORE

 

 

 

 

MANUAL RESET ROLLOUT LIMIT CONTROL(S)

 

 

 

ID BLOWER

 

 

JUNCTION

SERVICING.WIRING TO UNIT MUST BE

 

PRESSURE

24 VAC

 

( SINGLE CONTROL ON 45K BTU )

 

BL

PROPERLY POLARIZED AND GROUNDED.

 

SWITCH

 

HUMIDIFIER

 

 

 

FRONT COVER

 

BOX

 

 

 

 

TO 115 VAC / 1Ø /60HZ POWER SUPPLYWITH OVERCURRENTPROTECTION DEVICE

 

 

 

 

 

SENSOR

 

 

 

 

 

 

 

 

GAS VALVE (HONEY WELL)

 

 

 

 

 

 

2 CIRCUIT

 

PM

 

GY

C

N

PRESSURE SWITCH

 

 

 

 

 

 

 

 

 

1

 

O

 

GY

 

WH

 

 

 

N

 

 

CONNECTOR

 

 

 

 

 

GND

GR

 

 

 

 

 

GND

 

 

HOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

3

BR

 

 

 

 

 

BK

 

 

 

L

 

 

SURFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLAME

 

 

 

 

 

IGNITER

 

HI

2

 

 

OR

 

 

 

 

DISCONNECT

 

 

0 STEADY ON = NORMAL OPERATION

 

 

 

LOW VOLTAGE (24V)

 

 

 

 

 

 

OFF

= CONTROL FAILURE

 

 

 

 

 

 

EQUIPMENT GND

 

 

 

 

 

 

LOW VOLTAGE FIELD

 

 

 

1

1 FLASH

= SYSTEM LOCKOUT (RETRIES EXCEEDED)

 

 

 

 

FIELD GND

 

 

 

 

 

 

 

 

2

2 FLASHES = PRESSURE SWITCH STUCK CLOSED

 

HI VOLTAGE (115V)

 

 

 

FIELD SPLICE

 

3

3 FLASHES = PRESSURE SWITCH STUCK OPEN

 

 

 

 

 

 

 

 

HI VOLTAGE FIELD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH (TEMP.)

 

4

4 FLASHES = OPEN HIGH LIMIT

 

 

 

 

 

JUNCTION

 

 

 

 

 

 

 

 

 

 

 

 

 

5

5 FLASHES = FLAME SENSE WITHOUT GAS VALVE

 

 

 

 

 

IGNITER

 

 

 

TERMINAL

 

 

 

 

6

6 FLASHES = OPEN ROLLOUT OR OPEN FUSE

 

 

 

 

 

SWITCH (PRESS.)

 

 

 

 

INTERNAL TO

 

 

 

7

7 FLASHES = LOW FLAME SIGNAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTEGRATED CONTROL

 

 

OVERCURRENT

 

8

8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING

 

 

 

PLUG CONNECTION

 

 

PROT. DEVICE

 

C CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COLOR CODES:

 

PK PINK

 

NOTES:

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

YL YELLOW

 

BR BROWN

 

 

 

 

 

 

 

 

 

2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.

 

 

 

 

OR ORANGE

 

WH WHITE

 

3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL

PU PURPLE

 

BL BLUE

 

HAVING A TEMPERATURE RATING OF AT LEAST 105

C. USE COPPER CONDUCTORS ONLY.

 

 

 

 

 

 

4. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE SAME, DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS. UNUSED

 

GN GREEN

 

GY GRAY

 

 

 

 

BLOWER LEADS MUST BE PLACED ON "PARK" TERMINALS OF INTEGRATED CONTROL OR TAPED.

 

 

 

BK BLACK

 

RD RED

 

 

 

 

 

 

5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0140F00663 REV. A

 

6. TO RECALL THE LAST 5 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN

 

 

STANDBY (NO THERMOSTAT INPUTS)

 

 

 

 

 

 

 

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

49

Image 49
Contents GCH95/GME95/GCH9 Table of Contents XVII. Safety Circuit Description XIV. Startup Procedure & AdjustmentXVIII. Troubleshooting XIX. MaintenanceCarbon Monoxide Poisoning Hazard Component Identification Upflow/HorizontalWhat to do if YOU Smell GAS II. Safety ConsiderationsIII. Product Application Electrostatic Discharge ESD PrecautionsGeneral IV. Location Requirements & ConsiderationsSuspended Furnace Clearances and AccessibilityFurnace Suspension Existing Furnace RemovalCombustion & Ventilation AIR Requirements Thermostat InfluencesThermostat Location See 5.3.3-a VII. Horizontal Applications & Considerations VI. Installation PositionsHorizontal Furnace VIII. Propane GAS /HIGH Altitude Installations Recommended Installation PositionsAlternate Electrical and GAS Line Connections Drain PANDirect Vent Terminal Clearances Dual Certification NON-DIRECT/DIRECT Vent IX. VENT/FLUE Pipe & Combustion AIR PipeMaterials and Joining Methods Proper VENT/FLUE and Combustion AIR Piping PracticesTermination Locations Increased Clearance ConfigurationCanadian Venting Requirements Standard Furnace ConnectionsAlternate Furnace Connections Vent/Flue Pipe CutsNON-DIRECT Vent Single Pipe Piping Alternate Vent/Flue LocationDirect Vent Dual Pipe Piping Termination of Multiple Direct Vent Furnaces Alternate Horizontal Vent Termination Dual PipeCondensate Drain Lines & Drain Trap Concentric Vent TerminationStandard Right or Left Side Drain Hose Connections Hose and Tube IdentificationAlternate VENT/FLUE Drain Hose Connections Drain TrapUpright Standard Connections Left Side Upright INSTALLATIONS-TRAP on Left SideUpright Drain Trap Mounting Left or Right Side Panel Horizontal Installations Right Side DownHorizontal Drain Trap Mounting Left or Right Side Panel Left Side DownXI. Electrical Connections Wiring HarnessJunction Box Relocation Junction BOX RelocationField Wiring for GME95 /AMEH96 Furnacewith 2-Stage Thermostat DiagramVolt Thermostat Wiring GME95/AMEH96 Furnace with 2-STAGE Condenser Field WiringVolt Humidifier Nals XII. GAS Supply and PipingGAS Piping Connections Rack, manifold or gas valve Gas Piping Connections Horizontal Upflow ModelPropane Gas Piping Chart Propane Gas Installation TypXIII. Circulating AIR & Filters Propane GAS Tanks and PipingDuct Flange Cut Outs Checking Static Pressure 80% Furnace Shown, 90% SimilarChecking Duct Static Bottom Return AIR Opening Upflow ModelsPermanent Minimum Filter Area sq. XIV. Startup Procedure & AdjustmentDisposable Minimum Filter area sq. Filter LocationsWhite-Rodgers Model 36G54 Two-Stage White-Rodgers Model 36G54 Connected to ManometerHoneywell Model VR9205 Connected to Manometer GAS Supply Pressure MeasurementMeasuring Inlet Gas Pressure Alt. Method GAS Manifold Pressure Measurement and AdjustmentGAS Input Rate Measurement Natural GAS only Temperature Rise Temperature Rise MeasurementCirculator Blower Speeds Setting Furnace Operating Mode Circulator Blower FAN Timing AdjustmentPower UP Heating ModePage XVIII. Troubleshooting XIX. Maintenance XXI. Repair & Replacement Parts XX. Before Leaving AN InstallationNo signal Troubleshooting ChartContinuously Blower Performance Data MH95ACSH96 AMEH96 GCH95 / GCH9115 GME95 MH950453,0704,0905D MH950703,0904,1155 Wiring DiagramMH950905CX GME95 / AMEH96 Exemptions GAS Vent Directly BELOW. Keep Clear of ALL ObstructionsThis page Left Intentionally Blank This page Left Intentionally Blank This page Left Intentionally Blank Quality Makes the Difference