Daikin DM96SE, Installation Instructions Manual

Page 1: ... BEEN TRAINED TO INSTALL ADJUST SERVICE OR REPAIR HEREINAFTER SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES IF YOU SERVICE THIS UNIT YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT IN ADDITION IN JURISDICTIONS THAT...

Page 2: ...T INSTALLATIONS 25 HORIZONTAL INSTALLATIONS 26 DRAIN TRAP PRIMING 26 FURNACE OPERATION 26 GAS SUPPLY PRESSURE MEASUREMENT 26 GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT 27 GAS INPUT RATE MEASUREMENT NATURAL GAS ONLY 28 TEMPERATURE RISE 28 CIRCULATOR BLOWER SPEEDS 28 BLOWER HEAT OFF DELAY TIMINGS 29 NORMAL SEQUENCE OF OPERATION 29 POWER UP 29 HEATING MODE 29 COOLING MODE 29 FAN ONLY MODE 29 OP...

Page 3: ...PROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE REFER TO THIS MANUAL FOR ADDITIONAL ASSISTANCE OR INFORMATION CONSULT A QUALIFIED INSTALLER SERVICER AGENCY OR THE GAS SUPPLIER WARNING IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE...

Page 4: ...ar a través del aparato cuando se opera en cualquier modo B10259 216 RISQUE D EMPOISONNEMENT AU MONOXYDE DE CARBONE Le monoxyde de des carbone peut causer des maladies graves telles que dommages permanents au cerveau et meme la mort Cette ventilation est nécessaire pour éviter le danger d intoxication au CO pouvant survenir si un appareil produisant du monoxyde de carbone continue de fonctionner a...

Page 5: ... burners through a special air intake system outlined in these instructions This furnace cannot be used as a construction site heater To ensure proper furnace operation install operate and maintain the furnace in accordance with these installation and operation instructions all local building codes and or dinances In their absence follow the latest edition of the National Fuel Gas Code NFPA 54 ANS...

Page 6: ...ematureheatexchangerfailurewill resultifthecoolingunitisplacedaheadofthefurnace For vertical upflow or downflow applications the minimum cooling coil width shall not be less than furnace width minus 1 Additionally a coil installed above an upflow furnace may be the same width as the furnace or may be one size larger than the furnace Example a C width coil may be installed with a B width furnace Fo...

Page 7: ...e ANSI Z223 1 NFPA 54 9 After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use If resizing is required on any portion of the venting system use the appropriate table in Appendix G in the latest edition of ...

Page 8: ...PENSION If suspending the furnace from rafters or joists use 3 8 threaded rod and 2 x2 x1 8 angle iron as shown in the fol lowing diagram The length of rod will depend on the applica tion and the clearances necessary If the furnace is installed in a crawl space it must be sus pended from the floor joist or supported by a concrete pad Never install the furnace on the ground or allow it to be ex pos...

Page 9: ...nts of another manufac turer All furnaces are manufactured with 2 vent intake pipe and connectors For furnaces requiring installation of 3 pipe the transition from 2 to 3 should be done as close to the furnace as practically possible This furnace must not be connected to Type B BW or L vent or vent connector and must not be vented into any portion of a factorybuiltormasonrychimneyexceptwhenusedasa...

Page 10: ... the manufacturer s instructions for cutting cleaning and solvent cementing of PVC The use of Schedule 40 PVC cellular core DWV meeting ASTM F891 1 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 sol vent cement meeting ASTM D2564 specifications must be used Fittings must be DWV type fittings meeting ASTM D...

Page 11: ...termination of a direct vent application Theventterminationofanon directventapplicationmust terminate at least 4 feet below 4 feet horizontally from or 1 foot above any door window or gravity air inlet into any building The vent termination of a direct vent application must terminate at least 12 inches from any opening through which flue gases may enter a building door window or gravity air inlet ...

Page 12: ...tube can serve as a trap The unused RF000142 drain fitting should be capped Figure 8B A tee installed in the intake pipe is also an acceptable method of catching condensation It must have a field supplied trapped drain tube or pipe free draining to proper condensate disposal location A loop in the drain tube can serve as a trap Insert flange Cut 2 long RF000142 2 Figure 9 THE RUBBER ELBOW IS NOT D...

Page 13: ...weentheventpipeandthe chimney must be closed with a weather tight corrosion resis tant flashing Although non direct vent installations do not require a com bustion air intake pipe a minimum of one 90 elbow should be attached to the furnace s combustion air intake if an up right installation uses the standard intake location or a hori zontal installation uses the alternate air intake location This ...

Page 14: ...E BETWEEN INTAKE AND VENT 12 MIN TO ROOF OR HIGHEST ANTICIPATED SNOW LEVEL Figure 12 Figure 11 Floor Use alternate vent combination air locations DOWN VENTING UPFLOW MODEL FURNACES ONLY Basement Crawlspace Condensate trapped to prevent flue gas from escaping and routed to field supplied condensate disposal Combustion Air Pipe Vent Pipe All piping and fittings must be joined per material manufactur...

Page 15: ...me atmospheric pressure zone Refer to Vent Flue and Combustion Air Pipe Termination Locations or Concen tric Vent Termination for specific details on termination con struction For details concerning connection of pipes to the furnace refer to the Vent Flue Pipe and Combustion Pipe Standard Furnace Connections or Alternate Furnace Connec tions 90º OR 45 ELBOW 12 MIN TO GRADE OR HIGHEST ANTICIPATED ...

Page 16: ... TERMINATION Refer to the directions provided with the Concentric Vent Kit DCVK for installation specifications Ve rtical Installation H orizontal Installation Side Wall Vent Kit Figure 19 SIDE WALL VENT KIT This kit is to be used with 2 or 3 direct vent systems The vent kit must terminate outside the structure and may be in stalled with the intake and exhaust pipes located side by side or with on...

Page 17: ...the drain trap to be removed for cleaning The drain trap must be primed before initial furnace start up When an air conditioning coil drain is connected to the field supplied furnace drain it must be vented by an open tee installed at a height no higher than the bottom of the furnace col lector box to prevent air conditioning condensate from backing up into the furnace if the common drain was bloc...

Page 18: ...e front of the furnace Secure the trap to the cabinet using two screws removed in step 2 by inserting the two screws through the large set of holes in the top mounting tabs of the trap into the two predrilled holes in the side of the cabinet 8 Refer to Field Supplied Drain section for instructions on field supplied installed drain on outlet of furnace trap DRAIN EXITING LEFT SIDE 1 Install the 45 ...

Page 19: ...L 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 page 10 1 Remove the clamps from the two drain tubes on the trap 2 Remove the two screws holding the drain trap to the blower deck 3 Remove the trap and hoses from the blower deck 4 Remove the two plugs from the left side of t...

Page 20: ...pecified on the unit rating plate An electrical disconnect must be provided at the furnace location Connect hot neutral and ground wires as shown in the wir ing 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 Liquid Tight or by applying non reactive UL approved ...

Page 21: ...CAL SHOCK WIRING TO THE UNIT MUST BE POLARIZED AND GROUNDED WARNING HIGH VOLTAGE TO AVOID PERSONAL INJURY 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 CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING CAUTION Line v...

Page 22: ...old or gas valve Useblackironorsteelpipeandfittingsforbuildingpiping Wherepossible usenewpipethatisproperlychamfered reamed and free of burrs and chips 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 APPROVED FOR ALL GASSES DO NOT apply compound to th...

Page 23: ...dard Gas Line Hole Drip Leg Burners Manifold NOTE Union may be inside furnace cabinet where allowed by local codes UPFLOW Figure 27 Manual Shut Off Valve upstream from ground joint pipe union Drip Leg Plug in Alternate Gas Line Hole Grommet in Standard Gas Line Hole Alternate Union Location Burners Drain Trap Gas Valve Plug in Main Gas Line Hole Manifold UPFLOW HORIZONTAL LEFT Figure 28 GAS PIPING...

Page 24: ...ne total external duct static pressure proceed as follows 1 With clean filters in the furnace use a draft gauge inclined manometer to measure the static pressure of the return duct at the inlet of the furnace Nega tive Pressure 2 Measure the static pressure of the supply duct Posi tive Pressure 3 The difference between the two numbers is 4 w c Example static reading from return duct 1 w c static r...

Page 25: ...NSTALLATIONS Depending on the installation and or customer preference differing filter arrangements can be applied Filters can be installed in the central return register or a side panel exter nal filter rack kit upflows As an alternative a media air filter or electronic air cleaner can be used as the requested filter CUT FOUR CORNERS AFTER REMOVING SHEET METAL CUT USING TIN SNIPS PRESS OUT BY HAN...

Page 26: ... try to light the burner by hand 5 Move the furnace gas valve manual control to the OFF position 6 Wait five minutes then smell for gas Be sure check near the floor as some types of gas are heavier than air 7 If you smell gas after five minutes immediately follow the Safety Considerations section of this manual If you do not smell gas after five minutes move the furnace gas valve manual control to...

Page 27: ...With Fitting Manometer Hose Manometer Open To Atmosphere Measuring Inlet Gas Pressure Alt Method Figure 34 GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT Only small variations in gas pressure should be made by adjust ing the gas valve pressure regulator The manifold pressure must be measured with the burners operating To measure and adjust the manifold pressure use the following procedure 1 Turn...

Page 28: ... TEMPERATURE RISE Temperature rise must be within the range specified on the unit rating plate An incorrect temperature rise may result in condensing in or overheating of the heat exchanger An air flow and temperature rise table is provided in the Specifica tion Sheet applicable to your model Determine and adjust temperature rise as follows 1 Operate furnace with burners firing for approximately t...

Page 29: ...m thermostat HEATING MODE The normal operational sequence in heating mode is as fol lows R and W thermostat contacts close initiating a call for heat Integrated control module performs safety circuit checks Induced draft blower is energized for a 15 second prepurge Igniter warm up begins upon presence of closed pressure switch contacts Gas valve opens at end of igniter warm up period delivering ga...

Page 30: ...ustion air and flue products through the heat exchanger and or blocked condensate drain condi tions FLAME SENSOR The flame sensor is a probe mounted to the burner manifold assembly which uses the principle of flame rectification to determine the presence or absence of flame PRESSURE SENSOR Pressure sensor is mounted on the induced draft blower Its function is to regulate the induced draft blower s...

Page 31: ...y a qualified installer or service agency at least once per year This check should be performed at the beginning of the heating season This will ensure that all furnace components are in proper working order and that the heating system functions appropriately Pay particular attention to the following items Repair or service as necessary Flue pipe system Check for blockage and or leakage Check the ...

Page 32: ...e flame and will lock out The flame sensor should be carefully cleaned by a qualified servicer using emery cloth or steel wool Following cleaning the flame sense signal should be as indi cated in the Specifications Sheet FLUE PASSAGES QUALIFIED SERVICER ONLY The heat exchanger flue passageways should be inspected at the beginning of each heating season BEFORE LEAVING AN INSTALLATION Cycle the furn...

Page 33: ...nues to attempt to start furnace and fault is displayed until fault condition corrects or CFH is removed 4 Flashes High Limit Switch Open RED When an open limit is detected the control energizes the blower at cooling speed and the inducer at the RUN setting no CFH required Once the limit closes and the CFH is present the furnace returns to normal operation Three limit events in a single CFH result...

Page 34: ...ss and hold the SW1 button for more than 5 seconds results in the display of this mode Releasing the Button during this indication will cause the Error History to be cleared The button must be released within 5 seconds after the LED begins this flash sequence 3 Rapid Flashes On reset ONLY ID Plug Installed GREEN For controls with unit specific programming imbedded in the CPU this indicates at powe...

Page 35: ...0 2 Rise 0 3 Rise 0 4 Rise 0 5 Rise 0 6 0 7 0 8 Red High Cool 3 1350 NA 1310 NA 1273 NA 1234 NA 1198 NA 1156 1117 1078 Blue MedHi Heat 2 5 1247 29 1212 30 1167 31 1129 32 1087 33 1043 997 952 Brown MedLow 2 1151 31 1107 32 1067 35 1021 35 977 36 928 880 835 Black Low 1 5 922 39 870 41 819 43 763 47 704 51 643 592 539 Orange FanOnly 1 779 46 661 54 588 NA 516 NA 455 NA 394 352 N A Red High Cool 3 1...

Page 36: ...EVICE OVERCURRENT FIELD GND EQUIPMENT GND JUNCTION INTEGRATED CONTROL INTERNAL TO 0140F02069 C 2 MANUFACTUR S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING 1 SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS NOTES HI VOLTAGE FIELD HI VOLTAGE 115V LOW VOLTAGE FIELD LOW VOLTAGE 24V COLOR CODES RD RED GY GRAY BL BLUE WH WHITE BR BROWN BK BLACK GN GREEN PU PURPLE OR ORANGE YL YELLOW WH SEN...

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