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3

S

AFETY

 C

ONSIDERATIONS

Adhere to the following warnings and cautions when install-
ing, adjusting, altering, servicing, or operating the furnace.
To ensure proper installation and operation, thoroughly read
this manual for specifics pertaining to the installation and
application of this product.

This furnace is manufactured for use with natural gas. It
may be field converted to operate on L.P. gas by using the
appropriate L.P. conversion kit listed in the

 PROPANE GAS/

HIGH ALTITUDE INSTALLATIONS section

 of this manual

Install this furnace only in a location and position as speci-
fied in 

LOCATION REQUIREMENTS & CONSIDERATIONS sec-

tion and INSTALLATION POSITIONS section 

of this manual.

Provide adequate combustion and ventilation air to the fur-
nace as specified in 

COMBUSTION & VENTILATION AIR RE-

QUIREMENTS section of this manual.

Combustion products must be discharged to the outdoors.
Connect this furnace to an approved vent system only, as
specified in 

VENT/FLUE PIPE & COMBUSTION AIR PIPE

 sec-

tion of this manual.

Never test for gas leaks with an open flame. Use a commer-
cially available soap solution made specifically for the detec-
tion of leaks to check all connections, as specified in 

GAS

SUPPLY AND PIPING

 section of this manual.

Always install a furnace to operate within the furnace’s in-
tended temperature-rise range with a duct system which has
external static pressure within the allowable range, as speci-
fied on the furnace rating plate and 

OPERATIONAL CHECKS

section

 of these instructions.

When a furnace is installed so that supply ducts carry air
circulated by the furnace to areas outside the space contain-
ing the furnace, the return air shall also be handled by duct(s)
sealed to the furnace casing and terminating outside the
space containing the furnace.

A gas-fired furnace for installation in a residential garage
must be installed as specified in the 

LOCATION REQUIRE-

MENTS AND CONSIDERATIONS

 

section

 of this manual.

This furnace may be used as a construction site heater only
if certain conditions are met. These conditions are listed in
the 

PRODUCT APPLICATION

 

section

 of this manual.

FROZEN AND BURST WATER PIPE HAZARD
F

AILURE

 

TO

 

PROTECT

 

AGAINST

 

THE

 

RISK

 

OF

 

FREEZING

 

MAY

 

RESULT

 

IN

 

PROPERTY

 

DAMAGE

.

S

PECIAL

 

PRECAUTIONS

 MUST 

BE

 

MADE

 

IF

 

INSTALLING

 

FURNACE

 

IN

 

AN

 

AREA

 

WHICH

  

MAY

 

DROP

 

BELOW

 

FREEZING

. T

HIS

 

CAN

 

CAUSE

 

IMPROPER

 

OPERATION

 

OR

 

DAMAGE

 

TO

 

EQUIPMENT

.  I

F

 

THE

 

FURNACE

 

ENVIRONMENT

 

HAS

 

THE

 

POTENTIAL

 

OF

 

FREEZING

THE

 

DRAIN

 

TRAP

 

AND

 

DRAIN

 

LINE

 

MUST

 

BE

 

PROTECTED

. T

HE

 

USE

 

OF

 

ACCESSORY

 

DRAIN

 

TRAP

 

HEATERS

ELECTRIC

 

HEAT

 

TAPE

 

AND

/

OR

 RV 

ANTIFREEZE

 

IS

 

RECOMMENDED

 

FOR

 

THESE

 

INSTALLATIONS

.

CAUTION

T

O

 

PREVENT

 

PERSONAL

 

INJURY

 

OR

 

DEATH

 

DUE

 

TO

 

IMPROPER

 

INSTALLATION

ADJUSTMENT

ALTERATION

SERVICE

 

OR

 

MAINTENANCE

REFER

 

TO

 

THIS

 

MANUAL

. F

OR

 

ADDITIONAL

 

ASSISTANCE

 

OR

 

INFORMATION

CONSULT

 

A

 

QUALIFIED

 

INSTALLER

SERVICER

 

AGENCY

 

OR

 

THE

 

GAS

 

SUPPLIER

.

WARNING

I

F

 

THE

 

INFORMATION

 

IN

 

THESE

 

INSTRUCTIONS

 

IS

 

NOT

 

FOLLOWED

 

EXACTLY

A

 

FIRE

 

OR

 

EXPLOSION

 

MAY

 

RESULT

 

CAUSING

 

PROPERTY

DAMAGE

PERSONAL

 

INJURY

 

OR

 

LOSS

 

OF

 

LIFE

.

D

O

 

NOT

 

STORE

 

OR

 

USE

 

GASOLINE

 

OR

 

OTHER

 

FLAMMABLE

 

VAPORS

 

AND

 

LIQUIDS

 

IN

 

THE

 

VICINITY

 

OF

 

THIS

 

OR

 

ANY

 

OTHER

 

APPLIANCE

.

D

O

 

NOT

 

TRY

 

TO

 

LIGHT

 

ANY

 

APPLIANCE

.

D

O

 

NOT

 

TOUCH

 

ANY

 

ELECTRICAL

 

SWITCH

DO

 

NOT

 

USE

 

ANY

 

PHONE

 

IN

 

YOUR

 

BUILDING

.

I

MMEDIATELY

 

CALL

 

YOUR

 

GAS

 

SUPPLIER

 

FROM

 

A

 

NEIGHBOR

S

 

PHONE

. F

OLLOW

 

THE

 

GAS

 

SUPPLIER

S

 

INSTRUCTIONS

.

I

F

 

YOU

 

CANNOT

 

REACH

 

YOUR

 

GAS

 

SUPPLIER

CALL

 

THE

 

FIRE

 

DEPARTMENT

.

I

NSTALLATION

 

AND

 

SERVICE

 

MUST

 

BE

 

PERFORMED

 

BY

 

A

 

QUALIFIED

 

INSTALLER

SERVICE

 

AGENCY

 

OR

 

THE

 

GAS

 

SUPPLIER

.

WHAT TO DO IF YOU SMELL GAS:

WARNING

T

HIS

 

PRODUCT

 

CONTAINS

 

OR

 

PRODUCES

 

A

 

CHEMICAL

 

OR

 

CHEMICALS

 

WHICH

 

MAY

 

CAUSE

 

SERIOUS

 

ILLNESS

 

OR

 

DEATH

 

AND

 

WHICH

 

ARE

 

KNOWN

 

TO

 

THE

 S

TATE

 

OF

 C

ALIFORNIA

 

TO

 

CAUSE

 

CANCER

BIRTH

 

DEFECTS

 

OR

 

OTHER

 

REPRODUCTIVE

 

HARM

.

WARNING

H

EATING

 

UNIT

 

SHOULD

 

NOT

 

BE

 

UTILIZED

 

WITHOUT

 

REASONABLE

ROUTINE

INSPECTION

MAINTENANCE

 

AND

 

SUPERVISION

. I

F

 

THE

 

BUILDING

 

IN

 

WHICH

 

ANY

 

SUCH

 

DEVICE

 

IS

 

LOCATED

 

WILL

 

BE

 

VACANT

CARE

 

SHOULD

 

BE

 

TAKEN

 

THAT

 

SUCH

 

DEVICE

 

IS

 

ROUTINELY

 

INSPECTED

MAINTAINED

 

AND

 

MONITORED

IN

 

THE

 

EVENT

 

THAT

 

THE

 

BUILDING

 

MAYBE

 

EXPOSED

 

TO

 

FREEZING

 

TEMPERATURES

 

AND

 

WILL

 

BE

 

VACANT

ALL

 

WATER

-

BEARING

 

PIPES

 

SHOULD

 

BE

 

DRAINED

THE

 

BUILDING

 

SHOULD

 

BE

 

PROPERLY

 

WINTERIZED

AND

 

THE

 

WATER

 

SOURCE

 

CLOSED

IN

 

THE

 

EVENT

 

THAT

 

THE

 

BUILDING

 

MAY

 

BE

 

EXPOSED

 

TO

 

FREEZING

 

TEMPERATURES

 

AND

 

WILL

 

BE

 

VACANT

ANY

 

HYDRONIC

 

COIL

 

UNITS

 

SHOULD

 

BE

 

DRAINED

 

AS

 

WELL

 

AND

IN

 

SUCH

 

CASE

ALTERNATIVE

 

HEAT

 

SOURCES

 

SHOULD

 

BE

 

UTILIZED

.

WARNING

T

O

 

PREVENT

 

POSSIBLE

 

PROPERTY

 

DAMAGE

PERSONAL

 

INJURY

 

OR

 

DEATH

 

DUE

 

TO

 

ELECTRICAL

 

SHOCK

THE

 

FURNACE

 

MUST

 

BE

 

LOCATED

 

TO

 

PROTECT

 

THE

 

ELECTRICAL

 

COMPONENTS

 

FROM

 

WATER

.

WARNING

Drain trap must be primed at time of installation.  Trap is
internally partitioned; add water to both inlet ports until wa-
ter appears at both sides of the outlet opening. Failure to
prime trap at time of installation may have a negative ef-
fect on combustion quality and pressure switch action.

Summary of Contents for DC97MC

Page 1: ...nuing commitment to quality products may mean a change in specifications without notice 2014 2017 5151 San Felipe St Suite 500 Houston TX 77056 www daikincomfort com SAFETY CONSIDERATIONS 3 SHIPPING I...

Page 2: ...8 STARTUP PROCEDURE ADJUSTMENT 38 HEATING OPERATION WITH CTK01 THERMOSTAT COMMUNICATING 39 HEATING OPERATION WITH CTK02 CTK03 CTK04 THERMOSTAT MODULATING COMMUNICATING 39 CONDENSATE DRAIN TRAP PRIMING...

Page 3: ...ER OPERATION OR DAMAGE TO EQUIPMENT IF THE FURNACE ENVIRONMENT HAS THE POTENTIAL OF FREEZING THE DRAIN TRAP AND DRAIN LINE MUST BE PROTECTED THE USE OF ACCESSORY DRAIN TRAP HEATERS ELECTRIC HEAT TAPE...

Page 4: ...da o cerebral permanente muerte Las emisiones de mon xido de carbono pueden circular a trav s del aparato cuando se opera en cualquier modo B10259 216 RISQUE D EMPOISONNEMENT AU MONOXYDE DE CARBONE Le...

Page 5: ...ly of thermostat kits allow this furnace to be installed as part of a digitally communicating system The ComfortNet system provides advanced airflow configuration enhanced setup features and enhanced...

Page 6: ...nd venting are verified by a qualified person according to these installation instructions Furnace doors must be in place on the furnace while the furnace is operating in any mode Damage or repairs du...

Page 7: ...ng the furnace is between 55 F and 100 F when the furnace is heating Provide provisions for venting combustion products outdoors through a proper venting system Special consideration should be given t...

Page 8: ...w Installation over a combustible floor If installation over a combustible floor becomes necessary use an accessory subbase see Specification Sheet applicable for your model for details Aspecial acces...

Page 9: ...Code CSA B149 1 15 9 After it has been determined that each appliance con nected to the venting system properly vents when tested as outlined above return doors windows ex haust fans fireplace dampers...

Page 10: ...dforallapplianceslocatedwithinthespace Rooms communicating directly with the space in which the appliances are installed throughopeningsnotfurnishedwithdoors andthroughcombustionairopen ings sized and...

Page 11: ...ugh Horizontal Ducts 9 3 3 2 One Permanent Opening Method One permanent openings commencing within 12 in 300 mm of the top of the enclosure shall be provided The appliance shall have clearances of at...

Page 12: ...main burner ignition and during main burner operation Means shall be provided to pre ventthemainburnerformignitingshouldthelouverfailtoopenduringburner startup and to shut down the main burner if the...

Page 13: ...tall on top collector box port 3 Locate 24 x 1 4 tube in bag assembly 4 Install one end on front cover pressure switch 5 Route tube to lower port on collector box cover and cut off excess tubing DRAIN...

Page 14: ...olingthemtothepointwherecondensation takes place Because of the relatively low flue gas temperature and water condensation requirements PVC or ABS pipe is typi cally used as venting and intake pipe ma...

Page 15: ...be CSA listed Solvent cement for ABS to ABS joints must meet ASTM D2235 and if used in Canada must be CSA listed The solvent cement for the PVC to ABS transition joint must meet ASTM D3138 Fittings mu...

Page 16: ...pment The combustion air intake termination of a direct vent application should not terminate in an area which is frequentlydustyordirty NOTE In Canada the current edition of CAN CSA B149 1 15 takes p...

Page 17: ...echanical air supply inlet to building or the combustion air inlet to any other appliance 6 in 15 cm for appliances 10 000 Btuh 3 kW 12 in 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30 kW 3...

Page 18: ...rnace blower compartment The com bustion air intake pipe can also be secured directly to the coun terflow unit air intake pipe coupling COMBUSTION AIR INTAKE OPTIONS The RF000142 coupling can be secur...

Page 19: ...2 secure with clamps 7 Secure flange to cabinet using screws removed in step 1 Figure 12 Floor Use alternate vent combination air locations DOWN VENTING UPFLOW MODEL FURNACES ONLY Basement Crawlspace...

Page 20: ...NA DM97MC1005CNA DM97MC1205DNA DC97MC0603BNA DC97MC0803BNA DC97MC0804CNA DM97MC0803BNA Direct Vent 2 Pipe and Non Direct Vent 1 Pipe 6 Model Pipe Size Number of Elbows DM97MC0603BNA 1 Maximum allowabl...

Page 21: ...ions Dual Pipe Center to center 10 min 24 max Vertical separation 0 24 Vent termination from wall 8 min 12 max Combustion air intake from wall 6 max Vent and intake clearance to ground or anticipated...

Page 22: ...codes The drain line between furnace and drain location must maintain a 1 4 inch per foot downward slope toward the drain Do not trap the drain line in any other location than at the drain trap suppl...

Page 23: ...e outside of the cabinet barbed end goes in the cabinet through hole in the right side of the cabinet and secure with two field supplied 8 self tapping screws see Figure 22 2 Locate the long drain hos...

Page 24: ...urnace trap UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE DOWN Minimum 5 1 2 clearance is required for the drain trap beneath the furnace Also see Front Cover Pressure Switch Tube Location on pag...

Page 25: ...Insert 100 degree elbow in the cut end of hose 5 7 Locate hose 6 Using red clamps connect between the coupling and 100 degree elbow cutting off excess tubing 8 Draining the Collector Box Remove cap fr...

Page 26: ...may exit the right or left side of the fur nace cabinet left side preferred Trap and factory installed hoses remain as shipped if the drain will exit the left side of the cabinet Draining from the rig...

Page 27: ...lector box drain port and secure with a silver clamp 5 Insert hose 2 from outside the cabinet in the front drain hole 6 Connect hose 4 hose 2 together using a straight barbed coupling and two gold cla...

Page 28: ...cated to the other side of the burner compartment prior to making electrical connections To relocate the junction box follow the steps shown below NOTE Wire routing must not interfere with circulator...

Page 29: ...t or left side panel Thermostat wiring entrance holes are lo cated in the blower compartment The following figure shows connections for a heat cool system This furnace is equipped with a 40 VA transfo...

Page 30: ...ace Toenablethedehumidifyfunctionontheintegratedcontrolmod ule set the dehumidification ENABLE DIP switch from OFF to ON Oncetheswitchisset thedehumidifyfunctionisenabledduring a combination call for...

Page 31: ...eded to prevent unit overfiring Natural Gas Minimum 4 5 w c Maximum 10 0 w c Propane Gas Minimum 11 0 w c Maximum 13 0 w c Inlet Gas Supply Pressure A heat pump thermostat with three stages of heat is...

Page 32: ...ps If old pipe is used be sure it is clean and free of rust scale burrs chips and old pipe joint compound Use pipe joint compound on male threads ONLY Always use pipe joint compound pipe dope that is...

Page 33: ...s Line Hole Ground Joint Pipe Union Ground Joint Pipe Union NOTE Union may be inside furnace cabinet where allowed by local codes COUNTERFLOW Figure 37 Manual Shut Off Valve upstream from ground joint...

Page 34: ...CTING WARNING DEVICE IN CASE OF A GAS LEAK SINCE PROPANE GAS IS HEAVIER THAN AIR ANY LEAKING GAS CAN SETTLE IN ANY LOW AREAS OR CONFINED SPACES PROPANE GAS ODORANT MAY FADE MAKING THE GAS UNDETECTABLE...

Page 35: ...hich can cause excessive temperature rise This can cause limit switch tripping and heat exchanger fail ure To determine total external duct static pressure proceed as follows 1 With clean filters in t...

Page 36: ...st be provided sized and installed externally by the installer Filters must comply with UL900 or CAN ULCS111 standards Damage or repairs due to the installa tion of the furnace without filters are not...

Page 37: ...11 5 AM11 5RA AM11 5PP Family Family Family On upflow units guide dimples locate the side return cutout locations Use a straight edge to scribe lines connecting the dimples Cut out the opening on thes...

Page 38: ...g rate to 35 low fire rate After 2 minutes the furnace control board increases the firing rate to 57 at a rate of 1 per second After 10 total minutes the furnace control board increases the firing rat...

Page 39: ...ompatible with a CTK01 communicating thermostat When a call for heat is sent the furnace will go through the Light Off Sequence at which time the Heat Current Demand Status will still show 0 After the...

Page 40: ...rnace gas valve manual control to the ON position 8 Replace the burner compartment door 9 Open the manual gas shutoff valve external to the furnace 10 Turn on the electrical power to the furnace 11 Ad...

Page 41: ...Turn OFF any unnecessary gas appliances stated in step 3 Gas Line Gas Shutoff Valve Gas Line To Furnace Drip Leg Cap With Fitting Manometer Hose Manometer Open To Atmosphere Measuring Inlet Gas Press...

Page 42: ...uring the smallest quantity usually the dial that indicates 1 2 cu ft per revolution You will use this number to calculate the quantity of gas in cubic ft if the furnace would consume if it ran steadi...

Page 43: ...flow being delivered is 1225 CFM The display indicates 12 If the airflow being delivered is 1275 the display indicates 13 1 Determine the tonnage of the cooling system installed withthefurnace Iftheco...

Page 44: ...Verify CFM by noting the number displayed on the dual 7 segment LED display 6 The multi speed circulator blower also offers several custom ON OFF ramping profiles for cooling These profiles may be use...

Page 45: ...one another In a traditional system the thermostat sends commands to the indoor and outdoor units via analog 24 VAC signals It is a one way communication path in that the in door and outdoor units ty...

Page 46: ...Net wiring will consist of four wires between theindoorunitandoutdoorunitandbetweentheindoorunitand thermostat The required wires are a data lines 1 and 2 b thermostat R 24 VAC hot and C 24 VAC common...

Page 47: ...econds ON ON 1 Stage Stat OFF 2 Stage Stat ON 1 Stage Compressor OFF 2 Stage Compressor ON Disabled OFF Enabled ON Disabled OFF Enabled ON Disabled OFF Enabled ON Disabled OFF Enabled ON Not applicabl...

Page 48: ...ncluded in CTK01 kit 208 230 VAC 24 VAC 1 2 R C System Wiring using Two Wires between Furnace and AC HP and Four Wires between Furnace and Thermostat 1 2 R C C Y ComfortNet Compatible Furnace Integrat...

Page 49: ...om most recent to least recent A Maximum of 3 consecutive faults of the same type will be logged Each error is displayed for 2 seconds with a blank screen for 1 second in between When all errors have...

Page 50: ...or are energized to their appropriate speed Circulator blower is energized on the appropriate cool speed at the level and time determined by the selected ramping profile Electronic air cleaner termina...

Page 51: ...or 100 DIP switch selectable when using a conventional thermostat Electronic air cleaner terminal is energized The furnace control board HUM dry contacts close Circulator blower runs integrated contr...

Page 52: ...ls held in a person s hand during grounding will be discharged 3 Service integrated control module or connecting wiring following the discharge process in step 2 Use caution not to recharge your body...

Page 53: ...n the installation differing filter arrangements can be applied Filters can be installed in either the central return register or a side panel external filter rack upflow only Ame dia air filter or el...

Page 54: ...r s Manual with the homeowner and discuss proper furnace operation and maintenance Leave literature packet near furnace REPAIR AND REPLACEMENT PARTS When ordering any of the listed functional parts be...

Page 55: ...stage pressure switch circuit is closed at start of heating cycle PS1 CLOSED E1 Low stage pressure switch contacts sticking Shorts in pressure switch circuit wiring Replace low stage pressure switch...

Page 56: ...ace o peratio n Integrated co ntro l m o dule LED display pro vides E 5 erro r co de Co mfo rtNet thermo stat displays B attery P o wer E5 Open Fuse No t Displayed No t Displaye d Sho rt in lo w vo lt...

Page 57: ...t thermostat Call for Service icon illuminated ComfortNet thermostat scrolls Check Furnace message EA Polarity of 1 1 5 volt AC is reversed REVERSED PLTY EA Polarity of 1 1 5 volt AC power to furnace...

Page 58: ...a set in integrated control module Verify circulator blower motor horse power is the same specified for the specific furnace model Replace if necessary Verify shared data set is correct for the specif...

Page 59: ...ct Description and Location Requirements Considerations for furnace installation requirements Turn power OFF prior to repair Furnace fails to operate Integrated control module LED display provides b7...

Page 60: ...MORY CARD DATA dF DEFROST DEMAND E0 LOCKOUT DUE TO EXCESSIVE RETRIES OR RECYCLES E1 LOW STAGE PRESSURE SWITCH STUCK CLOSED AT START OF HEATING CYCLE E2 LOW STAGE PRESSURE SWITCH STUCK OPEN E3 OPEN HIG...

Page 61: ...ING TO UNIT MUST BE TO UNIT MUST BE PROPERLY POLARIZED EQUIPMENT GND FIELD SPLICE SWITCH TEMP SWITCH PRESSURE PROT DEVICE LOW VOLTAGE FIELD LOW VOLTAGE 24V HI VOLTAGE 115V HI VOLTAGE FIELD INTERNAL TO...

Page 62: ...e no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment...

Page 63: ...63 THIS PAGE LEFT INTENTIONALLY BLANK...

Page 64: ...NCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE Our continuing commitment to quality products may mean a change in specifications without notice 2014 2017 5151 San Felipe St Suite 500 Hous...

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