background image

WIRING DIAGRAMS

33

HI

G

H V

O

LT

A

G

E!

DI

SCO

NNE

CT

 AL

PO

W

ER BE

FO

RE

 S

ERV

ICI

NG

 O

R I

NS

TA

LL

IN

G

 T

HI

S

U

N

IT

.  M

U

LT

IPL

E PO

W

ER

 SO

U

R

C

ES M

AY B

E P

R

ESEN

T.

  F

A

IL

U

R

TO

DO

 S

O

 M

AY

 CAUS

E P

RO

PE

RT

Y DAM

AG

E,

 P

ERS

O

NAL

 INJ

UR

Y O

R DE

AT

H

.

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

DM80SN

(with PCBBF241 Control Board)

OUTPUT

NOTES:

1. MANUFACTUR'S SPECIFIED REPLACEMENT

 PARTS MUST BE USED WHEN SERVICING.

2. 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. USE COPPER CONDUCTORS ONLY.

3. BLOWER SPEEDS SHOULD BE ADJUSTED BY

 INSTALLER TO  MATCH THE INSTALLATION

 REQUIREMENTS SO AS TO PROVIDE

 THE CORRECT HEATING TEMPRATURE

 RISE AND THE CORRECT COOLING CFM.

4. UNIT MUST BE PERMANENTLY GROUNDED

 AND CONFORM TO N.E.C. AND LOCAL CODES.

5. EAC. NORMALLY OPEN CONTACTS FOR OPTIONAL

 ELECTRONIC AIR CLEANER USE. CONTACTS

 CLOSE

 WHEN INDOOR BLOWER IS RUNNING. TERMINALS

 ARE NOT INTERNALLY POWERED

6. HUM. NORMALLY OPEN CONTACTS FOR OPTIONAL

 HUMIDIFIER USE. CONTACTS CLOSE WHEN DRAFT

 INDUCER IS RUNNING. TERMINALS ARE NOT

 INTERNALLY POWERED

GND

IDB(2)

HSI(1)

AUTO RESET

BURNER

BOX LIMIT

LINE

 NE

UT

R

AL

S

Ø /60 HZ POWER SUPPLY WITH

TO 120VAC/ 1

C

GAS

VALVE

M

MVL(9)

WARNING:

Y

G

C

TO

MICRO

TR (2)

GND

MVC (5)

BLI (11)

GN

24 VAC

40 VA

TRANSFORMER

120 VAC

FLAME SENSOR

ID

BLOWER

HOT SURFACE

IGNITER

FS

SWITCH

DOOR

OVERCURRENT PROTECTION DEVICE

N

L

DISCONNECT

GND

INT

EG

RA

TE

CO
NT

RO
L M

O

DU
LE

XFMR-H

LINE-H

JUNCTION BOX

INTEGRATED CONTROL MODULE

TH (6)

BEFORE SERVICING.

DISCONNECT POWER

MUST BE

WIRING TO UNIT

PROPERLY

AND GROUNDED.

POLARIZED

PRESSURE

TRANSDUCER

PT (3)

PT (1)

PT (2)

+

-

O

PSO (12)

HLO (4)

W

BLO

WE

R

CI

R

C

UL

A

TOR

GN

D

GN

D

MVC (8)

BL

W

R

AI

R

IN

DOOR

CI

R

C

UL

A

TOR

TO R

TO

MIC

RO

GN

GND

JU

NC

TIO

N

 B

O

X

BUR

NE

R

C

O

M

P

A

RT

MEN

T

PRESSURE TRANSDUCER

BK

RD

GN

2

1

3

BLOWER

COMPARTMENT

DOOR-SWITCH

(OPEN WHEN

DOOR OPEN)

RD

WH

ECM M

TR

HA

R

NE

SS

RD

BK

RD

GN

BK

BK

BLO

WE

R

CI

R

C

UL

A

TOR

BK

GN

RD

3

1

WH

2

4

BL

5

4

3

2

1

WH

40 VA

TRANSFORMER

115

VAC

24

VAC

BK

BR

BR

GR

BL

BL

PK BR

PU

SEN

SO
R

YL

FL

AM
E

BR

1

GAS VALVE

2

M

C

BL

BLOWER COMPARTMENT

AUTO RESET AUXILIARY

LIMIT CONTROL

PU

BL

AUTO RESET PRIMARY

LIMIT CONTRO

L

PU

BK

GND

BLOWER

DRAFT (ID)

INDUCED

1
2
3

RD

WH

BK
RD

WH

BR

OR

2 CIRCUIT

CONNECTOR

HOT

SURFACE

IGNITER

WA

R

NING:

D

I

S

C

O

NNEC

T

N

TO U

NI

T

M

UST B

E

AN

D

G

ROU

N

D

E

D

.

L

S

E

R

VICING. WI

R

ING

DISCONNECT

GND

W

H

BK

PO

WE

R B

EF

OR

E

PROP

E

RLY POL

A

R

IZE

D

W

H

N

O

C

ID BLOWER

PRESSURE

SWITCH

OR

BR

BL

PK

AUTO RESET

BURNER

BOX LIMIT

BK

RD

W

H

2

1

W

H

WH

BL

RD

OR

BK

YL

YL

BK

OR

RD

BL

W

H

BK

BK

E39

FP

Status

& F

ault

(

see installation manual

f

or

c

om

p

lete list o

f f

aults

)

Se

v

en Se

g

ment Dis

p

lay

Se

g.

1

Se

g.

2

Se

g.

3

I

dle

1

d

L

C

ontinuous

f

an

F

A

n

Lo

w

Sta

g

e

C

oolin

g

1

A

C

H

i

g

h Sta

g

e

C

oolin

g

2

A

C

G

as

H

eat

g

H

H

P

H

eat

,

Lo

w

Sta

g

e

1

H

P

H

P

H

eat

, H

i

g

h Sta

g

e

2

H

P

De

f

rost

d

F

t

Lo

ck

out Due to

Exc

essi

v

e Retries Re

c

y

c

le

E

E

0

Pressure S

w

it

c

h

C

losed

W

hen

Exp

e

c

ted To Be O

p

en

E

E

1

Pressure S

w

it

c

h O

p

en

W

hen

Exp

e

c

ted To Be

C

losed

E

E

2

O

p

en

H

i

g

h Limit S

w

it

c

h

E

E

3

F

lame Dete

c

ted

W

hen

N

o

F

lame Should Be Present

E

E

4

O

p

en

F

use

E

E

5

Lo

w F

lame Si

g

nal

E

E

6

Ig

nitor

F

ault Or

Ig

nitor Relay

F

ault

E

E

7

Re

v

ersed Line Polarity

E

E

A

G

roundin

g E

rror

E

1

0

I

nernal

G

as

V

al

v

e

E

rror

E

E

b

Ex

ternal

G

as

V

al

v

e

E

rror

E

E

C

A

u

x

Limit S

w

it

c

h O

p

en

E

E

d

Burner Limit S

w

it

c

h O

p

en

E

1

I

I

D BLO

WE

R

PR

E

SSUR

E

S

WI

T

CH

PS1 (3)

ALI (1)

AUTO RESET

PRIMARY

LIMIT

CONTROL

HLI (7)

NO
TE

 5

NO
TE

 6

AUTO RESET

AUXILIARY

LIMIT

CONTROL

N

O

C

01

4

0

F

026

4

6-

A

CR48

SW1

SW2

E28

LINE

E18

5V

PI

GND

U

V
W

E32

YL

W

H

Ø /60 HZ

OVERCURRENT

115 VAC/ 1

TO

POWER SUPPLY WITH

PROTECTION DEVICE

TAP1

GND

TAP2
TAP3

TAP4
TAP5

S

WI

T

CH (

PR

E

SS

.)

FIE

LD SPL

ICE

FIE

LD

GN

D

E

QU

I

P

MEN

T

GN

D

IN

T

E

R

NA

L TO

PROT

.

D

EVICE

IN

T

EG

R

A

T

E

D

C

O

N

TROL

PLU

G C

O

NNEC

T

I

O

N

S

WI

T

CH (

T

EM

P

.)

JU

NC

T

I

O

N

O

VE

R

C

URR

EN

T

T

E

R

MINA

L

IGNI

T

E

R

LO

W V

OLT

AGE (

2

4V)

LO

W V

OLT

AGE FIE

LD

HI V

OLT

AGE (

120

V)

HI V

OLT

AGE FIE

LD

PK P

IN

K

C

OLOR

C

OD

E

S

:

RD R

E

D

G

Y

G

R

A

Y

WH WHI

T

E

PU PURPL

E

OR OR

ANGE

YL Y

E

LLO

W

BL BLU

E

BR BRO

WN

BK BL

AC

K

G

R

G

R

EEN

E23

NE

UT

RA

L

E46

E25

E26

E4

7

E1

9

E2

2

W11

BLW

W12

E5

IGN-N

IGN-H

E4

E35

E44

E43

E42

EA

C

HUM

PSO

BLI

MVH

MVL

GND

HLI

TH

MVC

HLO

PS1

TR

ALI

E41

GND

TWIN

 

O

   

W1

   

R

   

G

   

B/C

 

Y2

 

Y1

Summary of Contents for DM80SE

Page 1: ...ERSONNEL THAT HAVE BEEN TRAINED TO INSTALL ADJUST SERVICE MAINTENANCE OR REPAIR HEREIN AFTER SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT THE MANU FACTURER WILL NOT BE R...

Page 2: ...L BEFORE BEGINNING REPAIRS IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS RECOGNIZE SAFETY SYMBOLS WORDS AND LABELS WARNING TO PREVENT THE RISK OF PROPERTY DAMAGE PERSONAL INJURY OR DEATH DO NOT STORE...

Page 3: ...er assistance please contact Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call CONSUMER INFORMATION LINE DAIKIN BRAND PR...

Page 4: ...El mon xido de carbono puede causar enfermedades severas como da o cerebral permanente muerte Las emisiones de mon xido de carbono pueden circular a trav s del aparato cuando se opera en cualquier mo...

Page 5: ...ervice or parts information U Ultra Low NOx 14ng J 80 80 AFUE B 17 D M 80 S E 60 3 A U 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Brand Minor Revision D Daikin Brand B 1st Revision Con gura on Major Revision B...

Page 6: ...equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to t...

Page 7: ...talling the control on a furnace Return any old or new controls to their containers before touching any ungrounded object Product Application This product is designed for NATURAL GAS ONLY This product...

Page 8: ...INLET GAS SUPPLY PRESSURE GAS VALVE This unit is equipped with a 24 volt gas valve controlled during furnace operation by the integrated control module Taps for measuring the gas supply pressure and m...

Page 9: ...to the furnace must be N E C Class 1 and must comply with all applicable codes The furnace must be electrically grounded in accordance with local codes or in their absence with the latest edition of...

Page 10: ...TH DO NOT REMOVE ANY INTERNAL COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT CONTACT A QUALIFIED SERVICE AGENT AT ONCE IF AN ABNORMAL FLAME APPEARANCE SHOULD DEVELOP DM80SE U Connect the correct motor l...

Page 11: ...fic Blower Speed for 2nd Stage Compressor Mode AC2 F01 F09 Model specific Cooling Fan Off Delay CFd 0 120 seconds 65 seconds Cooling Fan On Delay Cnd 0 35 seconds 7 seconds Blower Speed for Gas Heat M...

Page 12: ...cycle through available speed number every time the option button is pressed 3 When the menu button is pressed the current displayed speed shall stop flashing Press the menu button again to select th...

Page 13: ...scribe lines connecting the dimples Cut out the opening on these lines An undersized opening will cause reduced airflow For bottom return connection remove the bottom of the cabinet before setting the...

Page 14: ...ator blower continues running for selected heat off delay period factory set at 120 seconds If required this can be changed in the field Electronic air cleaner is de energized Furnace awaits the next...

Page 15: ...TROUBLESHOOTING 15 DM80SE U...

Page 16: ...TROUBLESHOOTING 16 DM80SE U...

Page 17: ...the Fault Code History up to 5 fault codes from newest to oldest Fault Code Clear Function When the SW1 button is pressed and held for an extended period more than 5 seconds less than 10 seconds the c...

Page 18: ...sly No furnace operation Primary limit circuit is open Insufficient conditioned air over the heat exchanger Blocked filters restrictive ductwork improper circulator blower speed or failed circulator b...

Page 19: ...fails to operate Redundant relay stuck closed alarm Replace integrated control board Furnace fails to operate Inducer communication alarm Check Red Black White harness connections to inducer control b...

Page 20: ...icated by the manufacturer No further lubrication is required Check motor windings for accumulation of dust which may cause overheating Clean as necessary FLAME SENSOR QUALIFIED SERVICER ONLY Under so...

Page 21: ...ifices CAUTION Always connect a manometer to the outlet tap at the gas valve before adjusting the pressure regulator In no case should the final manifold pressure vary more than plus or minus 2 inches...

Page 22: ...160 400 20 45 90 180 360 900 46 78 157 391 21 43 86 171 343 857 47 19 38 76 153 383 22 41 82 164 327 818 48 75 150 375 23 39 78 157 313 783 49 147 367 24 37 75 150 300 750 50 18 36 72 144 360 25 36 72...

Page 23: ...er Tubular Heat Exchanger Pressure Sensor Assembly Flue Pipe Connection Gas Valve Inducer Gas Manifold Assembly Grommet Burner Assembly Integrated Control Module Transformer Blower Door Interlock Swit...

Page 24: ...ed replace withAWM 105 C 2 64 thick insulation of the same gauge or its equivalent CHECKING THERMOSTAT WIRING AND ANTICIPATOR THERMOSTAT AND WIRING DISCONNECT ALL POWER BEFORE SERVICING WARNING 1 Remo...

Page 25: ...ical power and verify proper unit operation DISCONNECT ALL POWER BEFORE SERVICING WARNING CHECKING DUCT STATIC The maximum and minimum allowable external static pressures are found in the specificatio...

Page 26: ...d to reduce temperature rise Decrease blower speed to increase temperature rise Refer to Circulator Blower Speed section in the Product Design section of this manual for speed changing details Tempera...

Page 27: ...windings have a continuity reading reconnect wires Turn power on to the furnace and turn the thermostat on in the heating mode Check voltage for 115V at the induced draft motor terminals during the tr...

Page 28: ...of fuel being consumed The line pressure supplied to the gas valve must be within the range specified below The supply pressure can be measured at the gas valve inlet pressure tap or at a hose fittin...

Page 29: ...nnections LINE VOLTAGE NOW PRESENT WARNING 3 Turn ON the gas and electrical power supply and operate the furnace 4 Measure gas manifold pressure with burners firing Adjust manifold pressure using the...

Page 30: ...be powered and the thermostat satisfied no call for heat or cool Depress and hold the SW1 button for at least 10 seconds but not more than 15 seconds until the LED is blinking in AMBER then release Th...

Page 31: ...less than the minimum specified check for high resistance wiring connections sensor to burner gap dirty flame sensor or poor grounding 6 If absolutely no reading check for continuity on all component...

Page 32: ...FIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING 1 SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS NOTES HI VOLTAGE FIELD HI VOLTAGE 120V LOW VOLTAGE FIELD LOW VOLTAGE 24V COLOR CODES RD RED GY...

Page 33: ...N RD 3 1 WH 2 4 BL 5 4 3 2 1 WH 40 VA TRANSFORMER 115 VAC 24 VAC BK BR BR GR BL BL PK BR PU SENSOR YL FLAME BR 1 GAS VALVE 2 M C BL BLOWER COMPARTMENT AUTO RESET AUXILIARY LIMIT CONTROL PU BL AUTO RES...

Page 34: ...PRODUCT REGISTRATION Thank you for your recent purchase Though not required to get the protection of the standard warranty registering your product is a relatively short process and entitles you to ad...

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