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39

F

URNACE

 A

DVANCED

 F

EATURES

 M

ENUS

(

accessed through the communicating thermostat)

Submenu Item

Indication (for Display Only; not User Modifiable)

Number of Heat Stages (HT STG)

Displays the number of furnace heating stages

Input Rate (BTU/HR)

Displays the furnace input rate in kBtu/hr

Motor HP (1/2, ¾, or 1 MTR HP)

Displays the furnace indoor blower motor horsepower

CONFIGURATION

Submenu Item

Indication/User Modifiable Options

Comments

Fault 1 (FAULT #1)

Most recent furnace fault

For display only

Fault 2 (FAULT #2)

Next most recent furnace fault

For display only

Fault 3 (FAULT #3)

Next most recent furnace fault

For display only

Fault 4 (FAULT #4)

Next most recent furnace fault

For display only

Fault 5 (FAULT #5)

Next most recent furnace fault

For display only

Fault 6 (FAULT #6)

Least recent furnace fault

For display only

Clear Fault History (CLEAR)

NO or YES

Selecting “YES” clears the fault 
history

NOTE:

 Consecutively repeated faults are shown a maximum of 3 times.

DIAGNOSTICS

Submenu Item

Indication (for Display Only; not User Modifiable)

Model Number (MOD NUM)

Displays the furnace model number

Serial Number (SER NUM)

Displays the furnace serial number (Optional)

Software (SOFTWARE)

Displays the application software revision

IDENTIFICATION

Summary of Contents for *CVC96

Page 1: ...is manual TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 SHIPPING INSPECTION 4 ELECTROSTATIC DISCHARGE ESD PRECAUTIONS 4 TO THE INSTALLER 4 PRODUCT DESCRIPTION 4 FEATURES 4 PRODUCT APPLICATION 5 LOCATION R...

Page 2: ...ULATOR BLOWER SPEEDS 34 BLOWER HEAT OFF DELAY TIMINGS 36 COMFORTNET SYSTEM 37 OVERVIEW 37 AIRFLOW CONSIDERATIONS 37 FOSSIL FUEL APPLICATIONS 37 CTK0 WIRING 38 COMFORTNET SYSTEM ADVANCED FEATURES 38 FU...

Page 3: ...tion GOODMAN WILL NOT BE 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...

Page 4: ...est for inspection by carrier s agent must be made in writing immediately Thefurnacemustbecarefullyinspectedonarrivalfordamage and bolts or screws which may have come loose in transit In the event of...

Page 5: ...ns Aroomthermostatisusedtocontrolthefurnace Fixed jumpers that provide continuous heating CANNOT be usedandcancauselongtermequipmentdamage Returnairductsareprovidedandsealedtothefurnace A return air t...

Page 6: ...ications and Considerations for leveling of horizontal furnaces Ensure upflow or horizontal furnaces are not installed directlyoncarpeting oranyothercombustiblematerial Theonlycombustiblematerialallow...

Page 7: ...ns on combustible flooring CVC96 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS INCHES NOTES For servicing or cleaning a 24 front clearance is required Unit connections electrical flue and drain may nece...

Page 8: ...TE Ductwork must never be attached to the back of the furnace Contact your distributor for proper airflow requirements and number of required ductwork connections Refer to Recommended In stallation Po...

Page 9: ...ain trap Additionally the appropriate downward piping slope must be maintained from the drain trap to the drain loca tion Refer to Condensate Drain Trap and Lines for further de tails If the drain tra...

Page 10: ...da gas furnaces are only certified to 4500 feet Gas Altitude Kit Orifice M anifold Pressure Pressure Switch Change Contact the distributor for a tabular listing of appropriate manufacturer s kits for...

Page 11: ...se of Schedule 40 PVC or ABS cellular core Foam Core plastic pipe is also acceptable as a flue vent and intake pipe material PVC primer meeting ASTM F656 and PVC solvent cement meeting ASTM D2564 spec...

Page 12: ...ibit sagging joint separation and or detachment from the furnace Horizontalrunsofvent fluepipingmustbesupportedeverythree to five feet and must maintain a 1 4 inch per foot downward slope back towards...

Page 13: ...ling al lows service removal of air intake piping internal to the fur nace blower compartment The combustion air intake pipe can also be secured directly to the counterflow unit air in take pipe coupl...

Page 14: ...w should be secured to the combustion air intake to prevent inadvertent blockage The tee used in the vent flue termination must be included when determining the number of elbows in the piping system 1...

Page 15: ...IGHT ELBOWS Figure 13 Floor Use alternate vent combination air locations Field Supplied Drain Tee on Vent Pipe DOWN VENTING UPFLOW MODEL FURNACES ONLY Basement Crawlspace Slope 1 4 per foot min Conden...

Page 16: ...ows and pipe diameter for construction of the vent flue and combustion air intake pipe systems of a direct vent dual pipe installation The number of elbows tabulated represents the number of el bows a...

Page 17: ...h one pipe above the other These kits are NOTintended for use with single pipe indirect vent installations Refer to the directions furnished with the Side Wall Vent Kit p n0170K00000S or 0170K000001S...

Page 18: ...Coupling Figure 20 NOTE Hoses are model specific and not all hoses will be shipped with all models UPFLOW MODEL INSTALLED VERTICALLY The trap and factory installed hoses remain as shipped The furnace...

Page 19: ...TALLY WITH LEFT SIDE DOWN Minimum 5 3 8 clearance is required for the drain trap be neath the furnace Hose 6 Hose 5 Hose 11 Figure 23 1 Remove the clamps from the two drain tubes on the trap 2 Remove...

Page 20: ...rt with a silver clamp 6 Mate the drain trap inlets to the hoses and secure with silver clamps 7 Line up the trap mounting holes with the pre drilled holes in the furnace and secure with 2 screws remo...

Page 21: ...Y OR DEATH DUE TO ELECTRICAL SHOCK DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING WARNING LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS C...

Page 22: ...To confirm proper unit grounding turn off the electrical power and perform the fol lowing check 1 Measure resistance between the neutral white connection and one of the burners 2 Resistance should me...

Page 23: ...o the following figure 3 4 Thermostat Stage Delay Move to the ON position to select two stage thermostat or OFF to select single stage thermostat Move to the ON position to select Auto transition dela...

Page 24: ...are identified as NEU TRAL Allfieldwiringmustconformtoapplicablecodes Connec tions should be made as shown Accessories Wiring Figure 32 If it is necessary for the installer to supply additional line v...

Page 25: ...13 0 w c INLET GAS SUPPLY PRESSURE HIGH ALTITUDE DERATE When this furnace is installed at high altitude the appropriate HighAltitude orifice kit must be applied This is required due to the natural re...

Page 26: ...ns figure for typical gas line connec tions to the furnace Gas piping must be supported external to the furnace cabinet so that the weight of the gas line does not distort the burner rack manifold or...

Page 27: ...furnace cabinet where allowed by local codes COUNTERFLOW Figure 35 Drip Leg Plug in Main Gas Line Hole Alternate Union Location Manual Shut Off Valve upstream from ground joint pipe union Gas Valve Bu...

Page 28: ...st conform to the safety stan dards of the National Board of Fire Underwriters NBFU Manual 58 For satisfactory operation propane gas pressure must be 10 WC at the furnace manifold with all gas applian...

Page 29: ...urn air chamber CHECKING DUCT STATIC Refer to your furnace rating plate for the maximum ESP ex ternal duct static rating Total external static refers to everything external to the fur nace cabinet Coo...

Page 30: ...ace is installed and shall be of such a size that the heat exchanger can be viewed for visual light inspection or such that a sampling probe can be inserted into the airstream The access panel must be...

Page 31: ...control to the ON position 8 Replacetheburnercompartmentdoor 9 Openthemanualgasshutoffvalveexternaltothefurnace 10 Turn on the electrical power to the furnace 11 Adjust the thermostat to a setting ab...

Page 32: ...l Coil Terminal M Common Terminal C White Rodgers Model 36J54 Connected to Manometer Figure 43B Gas Valve On Off Selector Switch Regulator Vent High Fire Regulator Adjust Low Fire Regulator Adjust Hon...

Page 33: ...rew from the low LO outlet pressure regulator adjust tower and turn screw clockwise to increase pressure or counterclockwise to decrease pressure Replace regulator cover screw 9 Close thermostat R and...

Page 34: ...emperaturerisebyadjustingthecirculatorblower speed Increaseblowerspeedtoreducetemperaturerise Decreaseblowerspeedtoincreasetemperaturerise Refer to Startup Procedure and Adjustment Circulator Blower S...

Page 35: ...nd their corresponding taps Verify CFM by noting the number displayed on the dual 7 segment LED display 6 Themulti speedcirculatorbloweralsooffersseveralcustom ON OFF ramping profiles These profiles m...

Page 36: ...Sheet The adjust setting already established by the cooling speed selection determineswhichsetofspeedsareavailable Theselected speed must provide a temperature rise within the rise range listed with t...

Page 37: ...s the demand and sends it to the ECM motor If the outdoor unit or thermo stat is responsible for determining the demand it calcu lates the demand and transmits the demand along with a fan request to t...

Page 38: ...r is recommended if installing a dual fuel fossil fuel system Failure to use the transformer in the outdoorunitcouldresultinoverloadingofthefurnacetransformer 1 2 R C 1 2 R C CTK0 Thermostat ComfortNe...

Page 39: ...most recent furnace fault For display only Fault 3 FAULT 3 Next most recent furnace fault For display only Fault 4 FAULT 4 Next most recent furnace fault For display only Fault 5 FAULT 5 Next most rec...

Page 40: ...5 2 50 3 75 4 100 of maximum airflow SET UP Submenu Item Indication for Display Only not User Modifiable Mode MODE Displays the current furnace operating mode CFM CFM Displays the airflow for the curr...

Page 41: ...nstalled with a communicating compatible heat pump the system is recognized as a dual fuel system The balance point temperature should be set via the thermo stat DIAGNOSTICS Accessing the furnace s di...

Page 42: ...ill immediately switch the induced draft blower gas valve and circulator blower to their high stage settings If the two stage thermostat changes the call from high heat to low heat the control will im...

Page 43: ...d electrically automaticreset temperature ac tivated sensor The limit guards against overheating as a result of insufficient conditioned air passing over the heat exchanger AUXILIARY LIMIT The auxilia...

Page 44: ...Refer to the Troubleshooting Chart for aid in determining the cause MAINTENANCE TO AVOID ELECTRICAL SHOCK INJURY OR DEATH DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY MAINTENANCE IF YOU MUST HAND...

Page 45: ...drainage Check drain system for hose connection tightness blockage and leaks Clean or repair as necessary FLAME SENSOR QUALIFIED SERVICER ONLY Under some conditions the fuel or air supply can create a...

Page 46: ...D On On Add 5 Off Off Minus 5 On Off Add 10 Off On Minus 10 On On A Off Off B On Off C Off On D On On A Off Off B On Off C Off On D On On Disabled Off Enabled On Disabled Off Enabled On 25 Off Off 50...

Page 47: ...ALTERNATES WITH F L 0 b 1 b 6 1 2 b 9 L O b 7 F C 2 b 5 b 3 b 4 d 0 0140F01169 REV A C 1 HIGH STAGE HEAT PUMP HEAT P 1 P 2 E F AUXILIARY SWITCH OPEN P 1 O n E 4 H I INTERNAL CONTROL FAULT NO POWER NO...

Page 48: ...Call for Service icon illuminated ComfortNet thermostat scrolls Check Furnace message E0 Furnace lockout due to an excessive number of ignition retries 3 total LOCKOUT E0 Failure to establish fame Ca...

Page 49: ...rs and ductwork for blockage Clean flters or remove obstruction Check circulator blower speed and performance Correct speed or replace blower motor if necessary Check burners for proper alignment Chec...

Page 50: ...d improperly Blocked fue and or inlet air pipe blocked drain system or weak induced draft blower Incorrect pressure switch set point or malfunctioning switch contacts Loose or improperly connected wir...

Page 51: ...ontrol module has lost communications with circulator blower motor MOTOR COMM b1 Loose wiring connection at circulator motor control leads Failed circulator blower motor Failed integrated control modu...

Page 52: ...t scrolls Check Furnace message b7 MOTOR PARAMS b7 Furnace operates at reduced performance or Integrated control module LED display provides b9 error code b9 LOW ID AIRFLOW B9 Blocked filters Restrict...

Page 53: ...53 THIS PAGE LEFT INTENTIONALLY BLANK...

Page 54: ...AMPS LIMIT CONTROL AUXILIARY AUTO RESET PK WARNING DISCONNECT TRANSFORMER 40 VA PU GY N NO 3 BR 4 UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N E C AND LOCAL CODES COLOR CODES 1 E SWITCH PRESSUR...

Page 55: ...t vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL...

Page 56: ...re They are simple to service and forgiving to operate We use quality materials and components Finally every unit is run tested before it leaves the factory That s why we know There s No Better Qualit...

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