background image

Summary of Contents for F8MVL

Page 1: ...TING 5 ELECTRICAL CONNECTIONS 5 VENTING 5 LOCATION 5 MINIMUM FREE AREA REQUIRED 7 AIR FOR COMBUSTION AND VENTILATION 8 INSTALLATION 10 OPENING DIMENSIONS 12 AIR DUCTS 13 GAS PIPING 17 ELECTRICAL CONNE...

Page 2: ...14 1 2 x 19 1 2 in 368 x 495 mm rectangle c For 1600 CFM 22 in 559 mm round or 14 1 2 x 22 1 16 in 368 x 560mm rectangle d For airflow requirements above 1800 CFM see Air Delivery table in Product Da...

Page 3: ...NOTE is used to highlight suggestions which wilt result in enhanced installation reliability or operation 1 Use only with type of gas approved for this furnace Refer to the furnace rating plate 2 Ins...

Page 4: ...OSITIONS Installation on non combustible floors only For Installation on combustible flooring only when installed on special base Part No KGASBO201ALL or NAHA01101SB Coil Assembly Part No CAR CAP CNPV...

Page 5: ...ROUND 2 Firmly touch the clean unpainted metal surface of the fur nace chassis which is close to the control Tools held in a person s hand during grounding will be satisfactorily dis charged 3 After t...

Page 6: ...ustion Sufficient air must be provided to avoid negative pressure in the equipment room or space A positive seal must be made between the furnace cabinet and the return air duct to prevent pulling air...

Page 7: ...meplate value The filters used to clean the circulating air during the construction process must be either changed or thoroughly cleaned prior to occupancy The furnace ductwork and filters are cleaned...

Page 8: ...NEGATIVE PRESSURE CONDITION at the furnace Make up air MUST be provided for the ventilation devices in addition to that required by the furnace Refer to the Carbon Monoxide Poisoning Hazard warning i...

Page 9: ...air supply must be provided in accordance with this instruction manual The Standard Method 1 The space has no less volume than 50 cubic feet per 1 000 Btuh of the maximum input ratings for all gas app...

Page 10: ...size required in Outdoor Combustion Air Method above multiplied by reduction Factor in b above The min imum dimension of air openings shall be not less than 3 in 80 mm INSTALLATION UPFLOW INSTALLATION...

Page 11: ...ttom of furnace as shown Heavy gauge sheet metal straps plumber s straps may be used to suspend the furnace from each bottom corner To prevent screws from pulling out use 2 8 x in screws into the side...

Page 12: ...15 7 8 19 16 1 2 19 5 8 17 1 2 subbase not required 403 483 419 498 445 Downflow Applications on Combustible Flooring 15 1 8 19 16 3 4 20 5 8 subbase required 384 483 425 600 Downflow Applications on...

Page 13: ...or barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air ductwork for a distance of 36 in 914 mm horizontally from the furnace See NFPA 90B or local code for...

Page 14: ...OD Figure 16 Horizontal Suspension with Straps OUTER DOOR ASSEMBLY X II II 22 GAUGE GALVANIZED STRAPS TYPICAL FOR 4 STRAPS AIR METHOD 2 USE 4 8 x 3 4 19 ram SHEET METAL SCREWS FOR EACH STRAR THE STRAP...

Page 15: ...ning coil casing when used When installed on combustible material supply air duct must be A10164 connected to ONLY the accessory subbase or a factory approved air conditioning coil casing DO NOT cut m...

Page 16: ...ETURN AIR RETURN AIR _x SIDE RETURNAIR xJ NOTPERMI_ED FOR 066 060 22 2O AIRFLOWMODELS ii i II iiii _ SIDE RETURNAIR 066 060 22 20 NOTE RESTRICTIONSAME FOR AIR HORIZONALLEFT HORIZONAL RETURN AIR RESTRI...

Page 17: ...e gas supply line should be a separate line running directly from meter to furnace NOTE In the state of Massachusetts 1 Gas supply connections MUST be performed by a li censed plumber or gas fitter 2...

Page 18: ...HAZARD Failure to follow safety warnings could result in dangerous operation serious injury death or property damage Improper servicing could result in dangerous operation serious injury death or prop...

Page 19: ...x See Figure 23 NOTE The J Box cover need not be removed from the J Box in order to move the J Box Do NOT remove green ground screw inside J Box See Figure 23 2 Cut wire tie on loop in furnace wires a...

Page 20: ...ermostat wire The 24 v circuit contains an automotive type 3 amp fuse located on the control Any direct shorts during installation service or maintenance could cause this fuse to blow If fuse replacem...

Page 21: ...lied must be replaced use same type or equivalent wire A95236 Figure 26 Example of Variable Speed Furnace Control for Variable Speed ECM Blower Motor SW1 SETUP MODEL PLUG OUTDOOR AIR CONDITIONING A C...

Page 22: ...multistory venting with other fan assisted or draft hood equipped appliances in accordance with the NFGC the local building codes and furnace and vent manufacturers instructions Vent system or vent co...

Page 23: ...EAT PUMP F_q E3 0_ NOTE 5 NOTE 4 0 HUM OUTDOOR 1 SENSOR I See notes 1 2 3 4 and 5 Figure 30 Variable Speed Furnace with Two Stage Heat Pump Dual Fuel ICP THERMOSTAT VARIABLE SPEED TWO STAGE FURNACE HE...

Page 24: ...sor must be attached in all dual fuel applications 3 Refer to ICP thermostat Installation Instructions for additional information and setup procedure 4 When using a Humidity Sensing Thermostat set DEH...

Page 25: ...Chimney exposed to outdoors below roof line Chimney is _ Repair Mortar ortile debris ve metal vent I No or liner J Reline Remove mortar and tile debris Yes _ _Not Suitable J_No _ instzuctions for A _...

Page 26: ...ANSI Z223 1 2012 Section 12 10 for additional informa tion on condensate drains b Indicates the chimney exceeds the maximum per missible size inthe tables the chimney should be rebuilt or relined to...

Page 27: ...A 5 in 127 mm or 6 in 152 mm vent connector may be required for some model furnaces A field supplied 4 in 102 mm to 5 in 127 mm or 4 in 102 mm to 6 in 152 mm sheet metal increaser fitting is required...

Page 28: ...36 Upflow Application Vent Elbow Right _ o 037 f_ SEE NOTES 1 2 3 4 7 8 9 on the pages following these figures A03209 SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures A03210 Figure 38 Do...

Page 29: ...TES 1 2 4 7 8 9 on the page following these figures A03213 Figure 42 Horizontal Left Application Vent Elbow Right then Up l Io o SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03214 Figu...

Page 30: ...nt screws spaced approximately 120 apart Secure Type B vent connectors per vent connector manufacturer s recommendations specified below For all other applications follow For the following application...

Page 31: ...ct thermostat staging blower off delay timings air flow selection and other operational or service related functions See Figure 26 Figure 55 and Table 9 CUT HAZARD Failure to follow this caution may r...

Page 32: ...failure Component test feature will not operate if any thermostat signal is present at the control Refer to service label attached to furnace or See Figure 51 Component test sequence is as follows a I...

Page 33: ...ons for further directions on installa tion and setup Allows additional CFM per ton selections when used with SWl 5 325 CFM per ton nominal when SW2 2 ON and SW1 5 OFF 350 CFM per ton nominal when SW2...

Page 34: ...ON 350 CFM TON A C A C sw2 3FF sw2 DFF nnn nl g 876 ON 878 ON DEF 5252 DEF 5252 DEF 5252 DEF 7002 DEF 7002 SETUP SWITCH SW1 5 OFF SW2 2 A C SW2 878 700 700 700 875 875 OFF sw2 ON _C OFF 8160N 875 875...

Page 35: ..._ SW2 7 OFF OFF ON ON OFF OFF ON ON o lo 2o 31o 41o o 6o 7o 81o 911 o 1625 1580 1535 1490 1445 1390 1325 1215 1070 910 555 See note 4 845 770 670 595 See note 4 1010 950 880 790 725 670 580 See note 4...

Page 36: ...n low heat rise adjustment switch SW1 3 and comfort efficiency adjustment switch SW1 4 are both set to OFR 4 Ductwork must be sized for high heating CFM within the operational range of ESP Operation w...

Page 37: ...XAMPLE 1 0 2000 ft 0 610 M altitude For 22 000 Btuh per burner application use Table 15 Heating value 1000 Btuh cu ft Specific gravity 0 62 Therefore Orifice No 43 Manifold pressure 3 7 1n W C for hig...

Page 38: ...fect readings This practice is particularly im portant with straight run ducts b When thermometer readings stabilize subtract re turn air temperature from supply air temperature to determine air tempe...

Page 39: ...r motor can be adjusted for continuous fan speeds different than heating or cooling fan speed See Table 12 Air Delivery CFM With Filter Select the re quired continuous fan airflow from Table 11 The co...

Page 40: ...Low No High Low 3 4 1 5 42 3 5 1 5 42 3 6 1 6 42 3 7 1 6 3 2 1 4 42 3 3 1 4 42 3 4 1 5 42 3 5 1 5 3 7 1 6 43 3 8 1 6 42 3 2 1 4 42 3 3 1 4 3 5 1 5 43 3 6 1 6 43 3 7 1 6 43 3 8 1 7 3 3 1 4 43 3 4 1 5 4...

Page 41: ...w 3 8 1 7 3 7 1 6 3 4 1 5 3 6 1 6 3 8 1 7 3 6 1 6 0 62 Manifold Orifice Pressure No High Low 44 3 3 1 4 46 3 8 1 7 46 3 6 1 5 47 3 7 1 6 47 3 5 1 5 48 3 7 1 6 Orifice No 43 43 44 44 46 46 47 47 Orific...

Page 42: ...mechanical skills tools and equipment If you do not possess these do not attempt to perform any maintenance on this equipment other than those procedures recommended in the User s Manual ENVIRONMENTAL...

Page 43: ...can occur unless switch is closed Caution must be taken when manually closing this switch for service purposes 6 Component Test sequence will function as follows a Inducer motor starts on high speed...

Page 44: ...2 1 5 44 3 5 1 7 44 3 3 1 6 44 3 2 1 5 SPECIFIC GRAVITY OF NATURAL GAS Orifice No 42 43 43 43 44 44 45 46 46 0 60 Manifold Pressure High Low 3 2 1 5 3 7 1 7 3 5 1 6 3 3 1 6 3 5 1 7 3 3 1 6 3 8 1 8 3...

Page 45: ...ressure No High Low 44 3 3 1 6 46 3 8 1 8 46 3 5 1 7 47 3 7 1 8 47 3 5 1 7 48 3 7 1 8 48 3 5 1 7 SPECIFIC GRAVITY OF NATURAL GAS Orifice No 46 47 47 48 48 49 0 60 Manifold Pressure High Low 3 7 1 8 3...

Page 46: ...tch opens 115 v power to control No component operation can occur unless switch is closed Caution must be taken when manually closing this switch for service purposes NOTE The blower wheel should not...

Page 47: ...st be taken to correct the problem If it becomes necessary to clean the heat exchangers because of dust or corrosion proceed as follows 1 Turn OFF gas and electrical power to furnace 2 Remove outer ac...

Page 48: ...ausing property damage personal injury or loss of life Sequence of Operation NOTE Furnace control must be grounded for proper operation or else control will lock out Control is grounded through green...

Page 49: ...difier terminal HUM and electronic air cleaner terminal EAC 1 are ener gized and remain energized throughout the heating cycle f Switching from Low to High Heat If the furnace control CPU switches fro...

Page 50: ...s satisfied and there is a demand for dehumidification the cooling blower off delay is decreased from 90 seconds to 5 seconds Continuous Blower Mode When the R to G circuit is closed by the thermostat...

Page 51: ...3Amp Au ome Ne B ade Type Fac cry _s a ed PL13 4 Circuit ECM Blower CTRL Connector WIRING 24VAC GV Gas V_lve reduodaM PL14 5 Circuit ECM Blower Power Connector GVR Gas Valve Relay DPST N O PL16 3 Circ...

Page 52: ...disconnect the R thermostat connection reset power and put setup switch SWI 1 in the ON position The AMBER LED will flash the status codes in the order of occurrence Record status codes until heartbe...

Page 53: ...r 90 seconds if unit is powered up during a call for heat R W W1 closed or when R W W1 opens during the blower on delay period 2 5 INVALID MODEL SELECTION OR SETUP ERROR If status code 2 5 only flashe...

Page 54: ...4 5 V L TYPE FEATURE 6 7 8 045 9 10 14 11 12 12 13 B 14 1 HEAT INPUT 17 171 2 21 21 24 241 2 08 800 CFM 12 1200 CFM 14 1400 CFM 16 1600 CFM 20 2000 CFM 22 2200 CFM CABINET WIDTH COOLING AIRFLOW SALES...

Reviews: