background image

45

S

TATUS

 C

ODES

C 2

O n

H I

b 0

d 4

C 1

b 2

E 4

H I

INTERNAL CONTROL FAULT/NO POWER

NORMAL OPERATION

LOCKOUT DUE TO EXCESSIVE RETRIES

LOW STAGE PRESSURE SWITCH STUCK CLOSED AT START OF HEATING CYCLE

LOW STAGE PRESSURE SWITCH STUCK OPEN

OPEN HIGH LIMIT SWITCH

FLAME DETECTED WHEN NO FLAME SHOULD BE PRESENT

OPEN FUSE

LOW FLAME SIGNAL

IGNITER FAULT OR IMPROPER GROUNDING

HIGH STAGE PRESSURE SWITCH STUCK CLOSED AT START OF HEATING CYCLE

HIGH STAGE PRESSURE SWITCH STUCK OPEN

REVERSED 115 VAC POLARITY

DATA NOT YET ON NETWORK

INVALID MEMORY CARD DATA

BLOWER MOTOR NOT RUNNING

BLOWER COMMUNICATION ERROR

BLOWER HP MIS-MATCH

BLOWER MOTOR OPERATING IN POWER, TEMPERATURE, OR SPEED LIMIT

BLOWER MOTOR CURRENT TRIP OR LOST ROTOR

BLOWER MOTOR LOCKED ROTOR

OVER/UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP

INCOMPLETE PARAMETERS SENT TO MOTOR

LOW INDOOR AIRFLOW

LOW STAGE COOL

HIGH STAGE COOL

LOW STAGE GAS HEAT

HIGH STAGE GAS HEAT

CONTINUOUS FAN

CFM/100; ALTERNATES WITH

F

L 0

b 1

b 6

1 2

b 9

L O

b 7

E   A

E 8

F

E 3

C 2

b 5

E 6

E 2

E 9

E 1

b 3

b 4

d 0

E 5

E 7

E 0

0140F01169 REV A

LOW STAGE HEAT PUMP HEAT

P 2

C 1

HIGH STAGE HEAT PUMP HEAT

               ,              ,              ,

,

               ,

P 1 P 2

AUXILIARY SWITCH OPEN

E F

P 1

Содержание DVC8

Страница 1: ...ng Most dealers have a list of specific good safety practices follow them The precautions listed in this Installation Manual are intended as supplemental to existing practices However if there is a di...

Страница 2: ...ITION 13 CHECK 6 DILUTION AIR 14 CHECK 7 COMPLETE THE INSTALLATION 14 FIX 1 LINER TERMINATION 14 FIX 2 CHANGE VENTING ARRANGEMENTS 14 FIX 3 REBUILD THE CROWN 15 FIX 4 RELINING 15 ELECTRICAL CONNECTION...

Страница 3: ...MMUNICATING THERMOSTAT 33 NETWORK TROUBLESHOOTING 34 SYSTEM TROUBLESHOOTING 34 NORMAL SEQUENCE OF OPERATION 34 POWER UP 34 HEATING MODE 35 COOLING MODE 36 FAN ONLY MODE 36 OPERATIONAL CHECKS 36 SAFETY...

Страница 4: ...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 TO PREVENT PERSONAL INJURY OR DEATH D...

Страница 5: ...TO EXTREMELY LOW RETURN AIR TEMPERATURES AND EXPOSURE TO CORROSIVE OR VERY DIRTY ATMOSPHERES WARNING TO PREVENT PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION THIS FURNACE MUST BE CATEGORY I VENTED DO N...

Страница 6: ...CAUTIONS NOTE Discharge body s static electricity before touching unit An electrostatic discharge can adversely affect electrical com ponents Use the following precautions during furnace installation...

Страница 7: ...anual J Load Cal culations published by the Air Conditioning Contractors of America In the USA this furnace MUST be installed in accordance with the latest edition of the ANSI Z223 1 booklet entitled...

Страница 8: ...g the furnace Ensure adequate combustion air is available for the furnace Improper or insufficient combustion air can expose building occupants to gas combustion products that could include carbon mon...

Страница 9: ...3 Latest Edition Section 1 23 1 The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the venting syste...

Страница 10: ...the furnace area by means of ventilation grilles or ducts connecting directly to the outdoors or spaces open to the outdoors such as attics or crawl spaces CATEGORY I VENTING VERTICAL VENTING TO PREV...

Страница 11: ...e power to furnace Counterflow units are shipped with the induced draft blower discharging from the top of the furnace Top as viewed for a counterflow installation Vent the furnace in accordance with...

Страница 12: ...ghest connected equip ment draft hood outlet or flue collar Wash Clay Tile Size 8 x 8 x12 Each x 24 Length 1 2 to 1 Air Space Second Floor First Floor Attic Floor Roof Line Throat Damper Breech Clean...

Страница 13: ...he lowest existing vent connector and examine the inside of the elbow or tee at the base of the liner Asmall amount of soot may be considered acceptable provided the installer vacuums it away If ruste...

Страница 14: ...lly with a B Vent Under some conditions a 90 furnace could be installed rather than an 80 furnace The 90 furnace can be vented hori zontally or vertically through PVC pipe Next use a flashlight and sm...

Страница 15: ...teel liners were developed for use with oil or solid fuel appliances They are not suitable for use with gas fired appliances Flexible liners specifically intended and tested for gas applications are l...

Страница 16: ...val or routine maintenance JUNCTION BOX RELOCATION EDGES OF SHEET METAL HOLES MAY BE SHARP USE GLOVES AS A PRECAUTION WHEN REMOVING HOLE PLUGS WARNING Line voltage connections can be made through eith...

Страница 17: ...facilitate use with most cooling equipment Consult the wiring diagram located on the blower compartment door for further details of 115 Volt and 24 Volt wiring NOTE For single stage cooling applicati...

Страница 18: ...HUM TRIM ENABLE Move to the ON position to enable dehumidification ON OFF S5 FOSSIL FUEL APPLICATIONS This furnace can be used in conjunction with a heat pump in a fossil fuel application A fossil fue...

Страница 19: ...feeding one of the HUM terminals with a field installed wire from the R terminal or by connecting to the NO side of the low fire pressure switch AUXILIARY ALARM SWITCH The control is equipped with a 2...

Страница 20: ...TO ENSURE SAFE AND PROPER FURNACE OPERATION ALL CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER OR SERVICE AGENCY This unit is configured for natural gas The appropriate manufacturer s propane...

Страница 21: ...with masonry plaster or insulation or subjected to repeated wetting by liquids such as water except rain water detergents or sewage Gas line entrance Right side gas entrance alternate General Furnace...

Страница 22: ...propane gas pressure must be 10 inch WC at the furnace manifold with all gas appliances in operation Maintaining proper gas pressure depends on three main factors 1 Vaporization rate depending on tem...

Страница 23: ...at or cool position When the furnace is installed without a cooling coil it is rec ommended that a removable access panel be provided in the outlet air duct This opening shall be accessible when the f...

Страница 24: ...EDURE AND ADJUSTMENT Furnace must have a 115 VAC power supply properly connected and grounded Proper polarity must be maintained for correct operation In addition to the following start up and adjustm...

Страница 25: ...Ft until high capacity 100 is achieved Once achieved the display will show Ft without flashing A 5 minute timer will be started to al low sufficient opportunity for the gas pressure to be tested 5 If...

Страница 26: ...10 0 w c Propane Gas Minimum 11 0 w c Maximum 13 0 w c INLET GAS SUPPLY PRESSURE If supply pressure differs from table make the necessary ad justments to pressure regulator gas piping size etc and or...

Страница 27: ...cubic foot sec ft3 of gas being delivered to the furnace If the dial is a one cubic foot dial divide the number of seconds recorded in step 2 by one If the dial is a two cubic foot dial divide the num...

Страница 28: ...ing 4 individual dip switches The following number refers to the individual labeled dip switch within that section Model Tap Low Stage High Stage Low Stage High Stage Cool Cool Heat Heat A 520 800 121...

Страница 29: ...cooling air flow determined in step 2 and find the required cooling speed and adjustment setting Example A MVC80604BX furnace installed with a 2 5 ton air conditioning system The air flow needed is 10...

Страница 30: ...demands are managed differently in a fully communi cating system than they are in a non communicating wired system The system operating mode as determined by the thermostat determines which unit calcu...

Страница 31: ...thaComfortNet com patible heat pump in a fossil fuel application Afossil fuel applica tion refers to a combined gas furnace and heat pump installation which uses an outdoor temperature sensor to deter...

Страница 32: ...ge AC ComfortNet G W1 W2 Y1 Y2 O 1 2 R C 4 Position Connectors from CTK0 Thermostat Kit System Wiring between Furnace and Non Communicating CompatibleSingleStageAirConditioner COMFORTNET SYSTEM ADVANC...

Страница 33: ...difiable 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 IDENTIFIC...

Страница 34: ...wards ground and when data 1 is decreasing towards ground data 2 is increasing towards 5V Typically the data 1 line is approximately 2 6Vdc and the data 2 transmission line is ap proximately 2 3Vdc Th...

Страница 35: ...d Rapid Flashing Normal network traffc On Solid Data 1 Data 2 miss wire Possible Cause Corrective Action Comments None None None Communications Failure Depress Learn Button Verify that bus BIAS and TE...

Страница 36: ...ontrol module performs safety circuit checks Outdoor fan and compressor are energized to their appropriate speed Circulator blower is energized on the appropriate cool speed at the level and time dete...

Страница 37: ...t electrical components Use the following precautions during furnace installation and servicing to protect the integrated control module from dam age By putting the furnace the control and the person...

Страница 38: ...ck for blockage and or leakage Check hose connections at and internal to furnace Wiring Check electrical connections for tightness and or corrosion Check wires for damage Filters FILTERS TO ENSURE PRO...

Страница 39: ...in cleanout cable Attach a variable speed reversible drill to the other end of the cable Slowly rotate the cable with the drill and insert it into one of the heat exchanger tubes While reversing the d...

Страница 40: ...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...

Страница 41: ...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...

Страница 42: ...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...

Страница 43: ...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...

Страница 44: ...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...

Страница 45: ...D 115 VAC POLARITY DATANOT YET ON NETWORK INVALID MEMORYCARD DATA BLOWER MOTOR NOT RUNNING BLOWER COMMUNICATION ERROR BLOWER HP MIS MATCH BLOWER MOTOR OPERATING IN POWER TEMPERATURE OR SPEED LIMIT BLO...

Страница 46: ...D Set dip switches S3 1 and S3 2 to the appropriate ON OFF positions 2 Select model and desired High Stage Heating Airflow Determine the corresponding tap A B C or D Set dip switches S4 3 and S4 4 to...

Страница 47: ...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...

Страница 48: ...PU 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 C USE COPPER CONDUCTORS ONLY RD INTEGRATED CONTR...

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