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15

WIRING DIAGRAMS

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

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.

0140F00663 REV. A

 OR (MED LOW)

 BL (MED)

 RD (LOW)

GAS VALVE (HONEY WELL)

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

IN

T

E

G

R

A

T

E

D

 C
O

NT
RO

L

 M

O

D

U

L

E

GND

DISCONNECT

L

N

DISCONNECT POWER
BEFORE SERVICING.
WIRING TO UNIT
MUST BE
PROPERLY
POLARIZED
AND GROUNDED.

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

( SINGLE CONTROL ON 45K BTU )

N
O

C

GY

BK

PLUG CONNECTION

FIELD SPLICE

SWITCH (TEMP.)

OR

24V THERMOSTAT

CONNECTIONS

GR

GND

115 VAC

24 VAC

BLOWER 
COMPARTMENT 
DOOR SW ITCH
(OPEN WHEN 
 DOOR OPEN) 

DOOR
SWITCH

WARNING:DISCONNECT POWER BEFORE 
SERVICING.WIRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.

BK

GND

DISCONNECT

L

PO

W
E

R

 SU

P

P

LY
 W
IT

H

O

V

E

RCURRE

NT
 P
R

O

T

E

C

T

IO

N

DE

V

ICE

WH

JUNCTION
 BOX

 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

CONTROL

PRIMARY LIMIT

AUTO RESET

BL

PU

MANUAL RESET ROLLOUT LIMIT CONTROL(S)

 RD

OR

PK

BK

WH

WH

BLOWER

INDUCED DRAFT

MANUAL RESET
AUXILIARY LIMITS
(1) IN UPFLOW
      BLOWER DECK
(2) IN C'FLOW 
      BLOWER HOUSING

C

CIRCULATOR 

BLOWER

FS

LIMIT CONTROLS

MANUAL RESET AUXILIARY

HI

 

HE

AT

-H

LO

 

HE

AT-H

IGNITER

HOT SURFACE

IND

IGN

EAC-H

AIR CLEANER

ELECTRONIC

BLWR

CIRCULATOR

BLWR

ID

FLAME SENSOR

115 VAC

TRANSFORMER

40 VA

24 VAC

GND

CONTROL

LIMIT

PRIMARY

AUTO RESET

(SINGLE CONTROL ON 45K BTU)

LIMIT CONTROL(S)

MANUAL RESET ROLLOUT

RO1 (5)

RO2 (11)

HLO (1)

HLI (7)

MVC (9)

GND (8)

BL

YL

OR

RD

GR

BR

PK

GY

BK

MICRO

TO

C

G

Y

W

R

TRANSFORMER

40 VA

2

WH

OR

BL

YL

OR

OR

GY

PK

RD

OR

GY

XF
M

R

-H

TE
RM

IN

A

L

S

GY

OR

GR

BR

1

2

3

12

11

10

9

8

7

6

5

WARNING: 

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

SWITCH

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

 OPEN ROLLOUT OR OPEN FUSE

   7 FLASHES  = LOW FLAME SIGNAL

   6 FLASHES  =

SYSTEM LOCKOUT (RETRIES EXCEEDED)

   CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY

CONTROL

MODULE

INTEGRATED

FUSE

ON

OFF

2ND 
STAGE 
DELAY

MODE

HEAT 
OFF 
DELAY

FS

1

3

2

HI

PM

GAS

VALVE

C

HI

MVH (12)

FACTORY SETTINGS 
SHOW N

*

*

*

*

SEE 
NOTE 6

COOL-H

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

PU

Y

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)

8

GY

BK

WH

BK

TR (6)

XFMR-H

4

N

TO
 1

1

5

 V

A

C

 /

 1Ø

 / 60
H

Z

1

PK

WH

WH

WH

 OR

   8 FLASHES  = CHECK IGNITER OR IMPROPER GROUNDING

HIGH VOL

T

A

G

E

!

DIS

C

ONNECT

 AL

L

 POW

E

R BEF

O

RE

 SERVICI

NG OR IN

S

T

A

L

L

IN

G

 T

H

IS

UNIT

 M

U

L

T

IPL

E

 PO

W

E

R SO

UR

CES M

A

Y BE P

R

ESEN

T

 F

A

IL

URE 

T

O

DO

 SO

 M

A

Y CAUS

E PRO

P

ERTY DAM

A

G

E

PERSO

NAL

 I

N

J

U

R

Y

 O

R

 DE

A

T

H

.

*MH95[0453,0704,0905]*XAC

*MH95[0703,0904,1155]*XAD

Summary of Contents for AMH950453BXA Series

Page 1: ...r part number information Model numbers listed on page 3 Copyright 2007 2009 2010 2012 2013 Goodman Manufacturing Company L P TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANUAL AL AL AL AL This manual is to be used by qualified professionally trained HVAC technicians only Goodman does not assume any responsibility for property damage or personal injury due to improper ser...

Page 2: ... responsible for any injury or property damage arising from improper service or service procedures If you install or perform service on this unit you assume responsibility for any personal injury or property damage which may result Many jurisdictions require a license to install or service heating and air conditioning equipment WARNING WARNING WARNING WARNING is a trademark of Maytag Corporation a...

Page 3: ...ronment and can lead to the imposition of substantial fines These regulations may vary by jurisdiction Should questions arise contact your local EPA office WARNING WARNING Do not connect or use any device that is not design certified by Goodman for use with this unit Serious property damage personal injury reduced unit performance and or hazardous conditions may result from the use of such non app...

Page 4: ...s in Service Instructions General Operation The MH95 furnaces are equipped with an electronic ignition device used to light the burners and an induced draft blower to exhaust combustion products An interlock switch prevents furnace operation if the blower door is not in place Keep the blower access door in place except for inspection and maintenance This furnace is also equipped with a self diagno...

Page 5: ...Line Entrance 14 Flue 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 21 Drain Trap 22 Blower Door Interlock Switch 23 Capacitor 24 Integrated Control Module with fuse and diagnostic LED 25 24 Volt Thermostat Connections 26 Transformer 40 VA 27 Circ...

Page 6: ...16 D 12 1 8 16 19 3 8 E 13 5 8 17 1 2 20 7 8 SIDE CUT OUT LOW VOLTAGE ELECTRICAL HOLE RIGHT SIDE DRAIN LINE HOLES STANDARD GAS SUPPLY HOLE DRAIN TRAP RIGHT SIDE VIEW HIGH VOLTAGE ELECTRICAL HOLE AIR DISCHARGE 2 C B FRONT VIEW A DISCHARGE UNFOLDED FLANGES FOLDED FLANGES LOW VOLTAGE ELECTRICAL HOLE HIGH VOLTAGE ELECTRICAL HOLE SIDE CUT OUT LEFT SIDE VIEW 19 3 4 AIR INTAKE PIPE 2 PVC LEFT SIDE DRAIN ...

Page 7: ...08 1 10 0130F00000P MH951155DXA 1 30 1 10 0 75 0 60 0 10 20197308 1 10 0130F00000P 2 Data given is the least negative pressure required for pressure switch to remain closed HANG11 44 Orifice HAPS27 16 HAPS27 16 HAPS27 16 HAPS27 16 HANG12 45 Orifice HANG11 44 Orifice NEGATIVE PRESSURE ID BLOWER WITH FLUE FIRING TYPICAL SEA LEVE DATA 2 NEGATIVE PRESSURE COIL COVER WITH FLUE FIRING TYPICAL SEA LEVE D...

Page 8: ...RY LIMIT SWITCHES Part Number 10123514 or 10123533 10123517 Open Setting F 200 210 MH950453BXA 1 MH950703BXA 2 MH950704CXA 2 MH950904CXA 2 MH950905CXA 2 MH950905DXA 2 MH951155DXA 2 ROLLOUT LIMIT SWITCHES Part Number 0130F00105 20162903 20162904 Open Setting F 130 160 150 MH950453BXA 1 MH950703BXA 1 MH950704CXA 1 MH950904CXA 1 MH950905CXA 1 MH950905DXA 1 MH951155DXA 1 PRIMARY LIMIT MH95 XA ...

Page 9: ...lated Z bracket for use with one size smaller furnace All proper coil combinations are subject to being ARI rated with a matched outdoor unit C A P F 1824 A 6 A PRODUCT TYPE C Indoor Coil CABINET FINISH U Unpainted P Painted N Unpainted Case EXPANSION DEVICE F Flowrater NOMINAL CAPACITY RANGE 13 SEER 1824 1 1 2 to 2 Tons 3030 2 1 2 Tons 3636 3 Tons 3642 3 to 3 1 2 Tons 3743 3 to 3 1 2 Tons 4860 4 ...

Page 10: ... filter face velocity Minimum filter area dictated by heating airflow requirement Cabinet Width in Nominal Filter Size in Approx Flow Area in 2 Cabinet Width in Nominal Filter Size in Approx Flow Area in 2 All 16 x 25 x 1 400 17 1 2 14 x 25 x 1 350 21 16 x 25 x 1 400 24 1 2 20 x 25 x 1 500 BOTTOM RETURN 1 SIDE RETURN 1 Flanges on bottom return must be unfolded Thermostats NOTE Complete lineup of t...

Page 11: ...ea level Low firerate is 75 of high fire rate MODEL MH95 0453BXA MH95 0703BXA MH95 0704CXA MH95 0904CXA MH95 0905CXA MH95 0905DXA MH95 1155DXA BTUH Natural Gas Input 46 000 69 000 69 000 92 000 92 000 92 000 115 000 Natural Gas Output 44 200 66 300 66 300 88 400 88 400 88 400 110 500 LP Gas Input 41 400 62 100 62 100 82 800 82 800 82 800 103 500 LP Gas Output 39 800 59 700 59 700 79 600 79 600 79 ...

Page 12: ...1141 52 1094 54 1046 57 973 904 793 MED HI MED LO 2 0 981 61 962 62 943 63 917 65 888 67 830 764 665 LOW 1 5 750 79 730 81 714 83 692 86 657 90 620 570 502 HIGH 4 0 2069 29 1965 30 1871 32 1756 34 1661 36 1549 1415 1275 MH950704CXA MED 3 5 1752 34 1724 34 1667 36 1603 37 1488 40 1402 1290 1082 MED HI MED LO 3 0 1437 41 1437 41 1417 42 1369 43 1320 45 1256 1140 984 LOW 2 5 1184 50 1177 50 1161 51 1...

Page 13: ...10 120 100 130 140 150 100 90 80 70 60 50 40 30 20 10 OUTPUT BTU HR x 1000 BTU OUTPUT 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 ...

Page 14: ...RESSURE 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...

Page 15: ...WITCH 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 CONTROL PRIMARY LIMIT AUTO RESET BL PU MANUAL RESET ROLLOUT LIMIT CONTROL S RD OR PK BK WH WH BLOWER INDUCED DRAFT MANUAL RESET AUXILIARY LIMITS 1 IN UPFLOW BLOWER DECK 2 IN C FLOW BLOWER HOUSING C CIRCULATOR BLOWER FS LIMIT CONTROLS MANUAL RESET AUXILIARY HI HEAT H LO HEAT H IG...

Page 16: ...r to the wiring diagram on the unit for the most up to date wiring MH950905CXA HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH ...

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