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62

HI

G

H

 VOL

T

AGE!

Di

sconnect

 ALL

 pow

er

 be

fo

re

 s

e

rv

ic

ing or

 i

n

st

al

li

ng t

h

is

 uni

t.

 M

u

lt

ip

le

pow

er

 sour

ces m

ay 

b

e

 pr

esent

. Fai

lur

e t

o

 do so 

m

ay cause

 pr

oper

ty

dam

a

ge,

 p

e

rs

ona

in

ju

ry

 or

 de

ath.

*MVM97_A*, *CVM97_A*

W

IRING

 D

IAGRAM

GR GREEN

RD RED

GY GRAY

OR ORANGE

COLOR CODES:

PK PINK
BR BROWN

WH WHITE
BL BLUE

YL YELLOW

PU PURPLE

BK BLACK

VAC

115

SENSOR

FLAME

INTEGRATED CONTROL
MODULE

GY

BL

RA
MP
IN

G

GY

40 VA

TR
A

N

S

F

O

R

M

E

R

BR

BK

OR

(10)

GND

2

OR

AUX

HSI

9

8

12

1

11

7

2

54

3

6

10

DE
HU
M

W2

C

1

Y1

2

R

W1

EAC

HU
M

Y2

ID BLOW

E

R

CON

NECTOR

G

O

LED’S

DIAGNOSTIC

4

FLAM

E

SENSOR

1

DELAY

3

NE
U

T

RA
L

1

3

2

DEHU

M

LINE

A

D

JUST

FUSE

2

BIAS

OR

YL

BK

WH

WH

WH

WH

OR

RD

WH

BK

BR

OR

RD

BK

GY

BL

2

AUXILIARY

PK

WARNING:DISCONNECT

MICRO

TO

OR

N

NO

3

BR

L

1

PRESSURE

(2)

SENSOR

FLAME

GR

C

G

VAC

1

C

(ON SOME MODELS)

PU

VALVE

GAS

RD

AND GROUNDED.

1

BLWR

NEUTRAL

115

WH

FIELD GND

WARNING:

W2

GROUNDED.

2

GR

BL

BR

TRANSFORMER

WH

NO

SWITCH

WH

 (11)

1

NEUTRAL

OR

Y2

ELECTRONIC

Y1

WH

AIR

L

PU

NOTES:

(3)

PK

IGN

3

BK

GND (4)

5

WH

O

NO

W1

SWITCH

PRESSURE

HIGH FIRE

PU

DISCONNECT

2

FS

C

NEUTRAL

4

BK

LINE

C

DOOR OPEN)

COMPARTMENT

BLOWER

NEUTRAL

JUNCTION BOX

GND

1

R

BLOWER

CIRCULATOR

BLWR

JUNCTION

OR

CONTROLS

1

N

HUMIDIFIER

INDOOR

HIGH FIRE

DISCONNECT

MODULATING

C

 (6)

OVERCURRENT

HUM

CONNECTOR

YL

GND

VAC

C

HASSIS

GR
OUND

2

3

4

SWITCH

DOOR

NEUTRAL

(8)

IGNITER

SURFACE

HOT

2

GND

DEHUM

YL

PU

INDUCTOR COIL

C

EAC

BLOWER

DRAFT

INDUCED

PM

24

IGNITER

0140F02013-A

OVERCURRENT

BK

CIRCULATOR

3

(12)

NO

HARNESS

PM

TERMINAL

OR

IGNITER

RD

BK

C

TO

RD

LINE

PROTECTION

DEVICE

GND

BK BL

GY

RD

INDOOR

AIR

CIRCULATOR

BLWR

TX (3)

RX (2)

+ VDC (1)

GND (4)

R

TO

MICRO

TO

/60 HZ

115 VAC/1
POWER SUPPLY WITH

POWER BEFORE SERVICING
WIRING. 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

INTEGRATED CONTROL

PLUG CONNECTION

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

2. MANUFACTURER’S SPECIFIED REPLACEMENT PARTS MUST BE

USED WHEN SERVICING.

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 C. USE COPPER CONDUCTORS ONLY.

4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO

N.E.C. AND LOCAL CODES.

5. TO RECALL THE LAST 10 FAULTS, MOST RECENT TO LEAST

RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS

WHILE IN STANDBY (NO THERMOSTAT INPUTS)

ECM MTR

24 V 3A

DOOR SWITCH
(OPEN WHEN

2

4V THE

RMOSTA

T

 CONNEC

TIO

NS N.E.C. CLASS 2 

WIRE

INTEGRATED CO

NTROL MOD

ULE

24V HUM.

24 V THERMOSTAT CONNECTIONS
N.E.C. CLASS 2 WIRE

PU
LL

 D

O

W

N

PULL U

P

C

OOL SET

U

P

HE
A

T

 S

E

T

U

P

HEAT OF

F

DIP SW

IT

C

HES

F

AN T

A

PS

HE
A

T

 T

A

P

S

C

OOL TAPS

M

O

D

U

LAT

IN

G

 IN

TER

G

R

A

TED

F

URN

A

C

E

 CON

T

RO
L M

O

DUL

E

LIMIT CONTROL

AUTO RESET

BLOWER COMPARTMENT

BURNER COMPARTMENT

AUTO RESET PRIMARY

LIMIT CONTROL

MANUAL RESET ROLLOUT LIMIT CONTROLS

(SINGLE CONTROL ON 40 kBTU)

2 CIRCUIT

GAS VALVE

(HONEY WELL)

LOW FIRE

SWITCH

ID BLOWER MODULATING PRESSURE

SWITCH ASSEMBLY

TO 115VAC/1

/60 HZ POWER SUPPLY WITH

OVERCURRENT PROTECTION DEVICE

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

AIR CLEANER

INTEGRATED CO

NTROL MOD

ULE

3  ID

HOT SURFACE

40 VA

FUSE 3A

TR (5)

TO+VDC

24 VAC

AUTO RESET AUXILIARY LIMIT

AUTO RESET PRIMARY

LIMIT CONTROL

LOW FIRE
PRESS.

PRESS. SWITCH

MANUAL RESET ROLLOUT

LIMIT CONTROLS

TR (9)

OPTIONAL

OPTIONAL

INDUCTOR COIL

(ON SOME MODELS)

C

GY

GY

NO

FRONT COVER

PRESSURE SWITCH

C

(7)

NO

FRONT COVER

PRESS.
SWITCH

GND

GND

BK

WH

JU

NC
T

ION
 BO

X

GND

GR

Summary of Contents for xCVM97 Series

Page 1: ...L AS A SAFETY PRECAUTION NOTE Please contact your distributor or our website for the applicable Specification Sheet referred to in this manual TABLE OF CONTENTS is a registered trademark of Maytag Cor...

Page 2: ...GHT INSTALLATIONS 39 HORIZONTAL INSTALLATIONS 39 STARTUP PROCEDURE ADJUSTMENT 39 HEATING OPERATION WITH CTK01 THERMOSTAT COMMUNICATING 40 HEATING OPERATION WITH CTK02 CTK03 CTK04 THERMOSTAT MODULATING...

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: ...nsit In the event of damage the consignee should 1 Make a notation on delivery receipt of any visible damage to shipment or container 2 Notify carrier promptly and request an inspection 3 With conceal...

Page 5: ...Net family of products The CTK family of thermostat kits allow this furnace to be installed as part of a digitally communicating system The ComfortNet system provides automatic airflow configuration e...

Page 6: ...is dual certified Dual certification means that the combustion air inlet pipe is OPTIONAL and the furnace can be vented as a Non direct vent single pipe central forced air furnace in which combustion...

Page 7: ...furnace with respect to the proposed or existing air distribution system Ensure the temperature of the return air entering the furnace is between 55 F and 100 F when the furnace is heating Provide pro...

Page 8: ...B width furnace For upflow applications the front of the coil and furnace must face the same direction If the furnace is installed in a residential garage position the furnace so that the burners and...

Page 9: ...riction leakage corrosion and other deficiencies which could cause an unsafe condition 3 As far as practical close all building doors and windows and all doors between the space in which the appliance...

Page 10: ...des for determining the combustion air requirements for the appliances Most homes will require outside air be supplied to the furnace area by means of ventilation grilles or ducts connecting directly...

Page 11: ...and 9 3 2 2 2 9 3 2 3 Indoor Opening Size and Location Openings used to connect indoor spaces shall be sized and located in accordance with the following 1 Combining spaces on the same story Each open...

Page 12: ...t least 1 in 25 mm from the sides and back and 6 in 150 mm from the front of the appliance The opening shall directly commu nicate with the outdoors or shall communicate through a vertical or horizont...

Page 13: ...n calculating the size opening required to provide the free area specified Where the louver and grille design and free area are not known it shall be assumed that wood louvers will have 25 percent fre...

Page 14: ...he furnace Refer to Recommended Installation Positions figure for appropriate installation positions ductwork connections and resulting airflow arrangements HORIZONTAL APPLICATIONS CONSIDERATIONS When...

Page 15: ...uperator coil front cover ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS This furnace has provisions allowing for electrical and gas line connections through either side panel In horizontal application...

Page 16: ...ions must be used Fittings must be DWV type fittings meetingASTM D2665 andASTM D3311 Carefully follow the pipe manufacturer s instructions for cutting cleaning and solvent cementing of PVC The use of...

Page 17: ...ropriate location of vent flue pipe and combustion air intake pipe when applicable terminations Refer to Non Direct Vent Single Pipe Piping and Direct Vent Dual Pipe Piping located in this section for...

Page 18: ...hanical 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 36...

Page 19: ...e outlet is sized to accept 2 pipe Secure vent flue pipe directly into the furnace fitting with the appropriate glue Alternately a small section of 2 pipe may be glued in the furnace socket and a rubb...

Page 20: ...p 2 secure with clamps 7 Secure flange to cabinet using screws removed in step 1 ALTERNATE COMBUSTION AIR PROVISION Upflow Horizontal models only When using the alternate venting location either in a...

Page 21: ...elbow is used for termination it must be pointed downward The vent flue pipe may terminate vertically as through a roof or horizontally as through an outside wall Vertical vent flue pipe terminations...

Page 22: ...d Use 1 2 thickclosedcellfoaminsulationsuchasArmaflex orInsultube where required Vent Combustion Air Intake Measurements for Standard Hori zontal Terminations Dual Pipe Center to center 10 min 24 max...

Page 23: ...ocal and national codes Followthebulletslistedbelowwheninstallingthedrainsystem Refertothefollowingsectionsforspecificdetailsconcerningfurnace drain trap installation and drain hose hook ups The drain...

Page 24: ...22 2 Locate the long drain hose 3 and cut at line A 3 Install large end of hose 3 to trap outlet and secure with 1 25 clamp 4 Install smaller end of hose 3 on 45 elbow and secure with 1 clamp 5 Refer...

Page 25: ...e cabinet 8 Refer to Field Supplied Drain section for instructions on field supplied installed drain on outlet of furnace trap UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE DOWN Minimum 5 1 2 cle...

Page 26: ...rap to outside the cabinet DRAIN EXITING LEFT SIDE 1 Install a field supplied rubber coupling secured with a 1 1 4 clamp to enable removing the trap for future cleaning Alternately a PVC fitting may b...

Page 27: ...stall in blower deck 4 Draining the Collector Box Locate hose 4 and place the radius end on the collector box drain port secure with a silver clamp 5 Locate hose 2 insert from outside the cabinet in t...

Page 28: ...the wiring diagram located on the unit s blower door For direct vent applications the cabinet opening to the junction box must be sealed air tight using either an UL approved bushing such as Heyco Li...

Page 29: ...oling ramping profiles and dehum feature re quires a jumper between Y1 and O when a straight cooling unit is used The auxiliary contacts are shipped with a factory installed jumper As an option the au...

Page 30: ...Secure the dehumidistat ground wire typically the green lead to the ground screw on the furnace junction box NOTE Ground wire may not be present on all dehumidistats 5 If the condenser is a straight...

Page 31: ...er may be connected between one of the HUM con tacts and NEUTRAL The other HUM contact must be fed from the L1 terminal Allfieldwiringmustconformtoapplicablecodes Connectionsshouldbemadeasshown in Fig...

Page 32: ...as and length of the run The gas line installation must comply with local codes or in their absence with the latest edition of the National Fuel Gas Code NFPA 54 ANSI Z223 1 or CAN CSA B149 1 in Canad...

Page 33: ...ten all joints securely Connection method must be in compliance with all local and national codes US National Fuel Gas Code NFGC NFPA 54 2012 ANSI Z223 1 2012 and the Installation Standards Warm Air H...

Page 34: ...ide chosen location of union and cabinet width The union may be placed inside or outside of the cabinet GAS PIPING CHECKS Before placing unit in operation leak test the unit and gas connections Check...

Page 35: ...REAS OR CONFINED SPACES PROPANE GAS ODORANT MAY FADE MAKING THE GAS UNDETECTABLE EXCEPT WITH A WARNING DEVICE WARNING 200 PSIG Maximum 5 to 15 PSIG 20 PSIG Max Continuous 11 W C Second Stage Regulator...

Page 36: ...ng with combustion air or draft when a central return is used a connecting duct must be installed between the unit and the utility room wall Never use a room closet or alcove as a return air chamber C...

Page 37: ...ace and if manually operated must be equipped 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...

Page 38: ...our distributor for information on our complete line of IAQ Clean Comfort products Air cleaner installation location Maximum Heating Airflow Filter Media Dimensions Part Number Air Cleaner Family Side...

Page 39: ...nace control board will follow the conventional 2 Stage algorithm equivalent to a W2 request and be reflected in the heat current demand status The circulator will operate per the heat airflow profile...

Page 40: ...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 successful Light Off Sequence and expiration of the Ignition Stabil...

Page 41: ...lectrical power to the furnace 3 Set the room thermostat to the lowest possible setting 4 Remove the burner compartment door NOTE This furnace is equipped with an ignition device which automatically l...

Page 42: ...urnace gas supply pressure with burners firing Supply pressure must be within the range specified in the Inlet Gas Supply Pressure table Natural Gas Minimum 4 5 w c Maximum 10 0 w c Propane Gas Minimu...

Page 43: ...ty thread sealer 12 Turn on electrical power and gas supply to the system 13 Close thermostat contacts R and W1 W2 to energize the valve Using an approved liquid gas leak detector solution check for l...

Page 44: ...re and Adjustment Circulator Blower Speeds for speed changing details CIRCULATOR BLOWER SPEEDS TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK TURN OFF POWER TO THE FURNACE BEFORE CHANGING S...

Page 45: ...e 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 used to enhance cooling performance and increase c...

Page 46: ...l module The delay is factory shipped at 150 seconds but may be changed to suit the installation requirements and or homeowner preference Refer to the DIP switch chart in the back section of this manu...

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: ...de mand The air conditioner will then send a fan request along with the low stage cooling airflow demand to the furnace Once received the furnace will send the low stage cooling airflow demand to the...

Page 49: ...be utilized between the indoor and out door units For this wiring scheme only the data lines 1 and 2 are needed between the indoor and outdoor units A40VA 208 230 VAC to 24VAC transformer must be inst...

Page 50: ...s and the corresponding potential problem Learn button Used to reset the network Depress the button for approximately 2 seconds to reset the network SYSTEM TROUBLESHOOTING NOTE Refer to the instructio...

Page 51: ...cause the gas valve to modulate higher The burner will modulate based on the inducer speed Circulator blower is energized on heat speed following a thirty 30 second blower on delay The circulator blo...

Page 52: ...ames should be inspected with the burner compartment door installed Flames should be stable quiet soft and blue dust may cause orange tips but they must notbeyellow Flamesshouldextenddirectlyoutwardfr...

Page 53: ...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 with static electric...

Page 54: ...ilter maintenance is the most common cause of inad equate heating or cooling performance Filters should be cleaned permanent or replaced disposable every two months or as re quired When replacing a fi...

Page 55: ...using emery cloth or steel wool Following cleaning the flame sense signal should be as indicated in the Specifications Sheet BEFORE LEAVING AN INSTALLATION Cycle the furnace with the thermostat at lea...

Page 56: ...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 57: ...aux out Missing jumper Open float switch Install jumper Inspect float switch Turn power OFF prior to repair No furnace operation Integrated control module LED display provides E5 error code ComfortNet...

Page 58: ...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 59: ...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 60: ...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 61: ...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 62: ...NG 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 63: ...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 64: ...ompany L P 5151 San Felipe Suite 500 Houston TX 77056 www goodmanmfg com www amana hac com NOTE SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE 2014 2015 Goodman...

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