York MM9E Series, Installation Manual

Page 1: ...Termination 21 Downward Venting 22 Direct Vent Air Intake Connection and Vent Connection 22 Outside and Ambient Combustion Air 23 Attic and Crawl Space Combustion Air Termination 24 Gas Valve 27 Readi...

Page 2: ...The size of the unit must be based on an acceptable heat loss cal culation for the structure ACCA Manual J or other approved meth ods may be used 12 When moving or handling this furnace prior to inst...

Page 3: ...hes etc Hydrochloric acid Cements and glues Antistatic fabric softeners for clothes dryers Masonry acid washing materials When outdoor air is used for combustion the combustion air intake duct system...

Page 4: ...r protected to avoid physical damage by vehicles 24 in clearance in front and 18 in on side recommended for service access All furnaces approved for alcove installation FOR FURNACES INSTALLED IN THE C...

Page 5: ...urnace does not operate properly The ducts attached to the furnace plenum must be of sufficient size so the furnace operates at the specified external static pressure and within the air temperature ri...

Page 6: ...wnflow installations must use a suitable duct connector approved by the furnace manufacturer for use with this furnace The duct connec tors are designed to be connected to the rectangular duct under t...

Page 7: ...Filters Downflow furnaces typically are installed with the filters located above the furnace extending into the return air plenum or duct Any branch duct rectangular or round duct attached to the plen...

Page 8: ...ng 7 6 9 17 5 7 6 9 17 5RWDWH YHQW EORZHU HLWKHU ZD IMPORTANT On all installations without a coil a removable access panel is recommended in the outlet duct such that smoke or reflected light would be...

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Page 10: ...pples and conventional 90 degree elbow s to enter through the cabinet access holes FIGURE 11 Gas Valve DANGER An overpressure protection device such as a pressure regulator must be installed in the ga...

Page 11: ...be shut off prior to disconnecting the electrical power before proceeding with the conversion WARNING SHOCK HAZARD Turn off electrical supply to furnace WARNING Never use an open flame to check for l...

Page 12: ...thermostat by following the instructions that come with the thermostat With the thermostat set in the OFF position and the main electrical source disconnected connect the thermostat wiring from the w...

Page 13: ...nsate pan is self priming and contains an inter nal trap to prevent flue gas leaking Do not install an external con densate trap IMPORTANT The furnace indoor coil and humidifier drains may be combined...

Page 14: ...taken to prevent the drain line from freezing Failure to provide proper protection from freezing can result in improper operation or damage to the equipment and possible property damage When exposed t...

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Page 17: ...ciety for Test ing and Materials ASTM standards D1785 Schedule 40 PVC D2665 PVC DWV F891 PVC DWV Cellular Core D2261 ABS DWV or F628 Schedule 40 ABS Pipe cement and primer must conform to ASTM Standar...

Page 18: ...A 100 000 3 80 100 000 3 60 100 000 4 145 100 000 4 125 Elevation 4001 5000 Elevation 8001 9000 Model Input BTUH Pipe Size in Max Equivalent Length ft Model Input BTUH Pipe Size in Max Equivalent Leng...

Page 19: ...A Dimension Illustrated in Figure 21 2 in Standard 2 5 16 in 3 in Standard 3 1 16 in 2 in Sweep 3 1 4 in 3 in Sweep 4 1 16 in TABLE 9 Equivalent Length of Fittings Fitting Equivalent Length 2 in 90 sw...

Page 20: ...as supplier 12 in 30 5 cm or in accordance with local installation codes and the requirements of the gas supplier F Clearance to outside corner 12 in 30 5 cm or in accordance with local installation c...

Page 21: ...ustion air sec tions in these instructions Follow the instructions for outdoor combus tion air or ventilated combustion air and the instructions for installing the vent system with the vent terminatin...

Page 22: ...imming pool or a location where swimming pool chemicals might be stored Be sure the terminal assembly follows the outdoor clearances listed in Section 1 Outdoor Air Contaminants An unconfined space is...

Page 23: ...n 12 in 30 5 mm of the bottom of the confined space shall communicate directly or by means of ducts with the outdoors crawl spaces or attic spaces 2 One permanent opening commencing within 12 in 30 5...

Page 24: ...eing placed into operation could result in carbon monxide poisoning or death The following steps shall be followed for each appliance connected to the venting system being placed into operation while...

Page 25: ...pilots 2 Run furnace for a minimum of 3 minutes in heating operation 3 Measure time in sec for gas meter to complete 1 revolution and note reading The 2 cubic ft dial provides a more accurate measure...

Page 26: ...300 750 78 46 92 231 25 144 288 720 80 45 90 225 26 138 277 692 82 44 88 220 27 133 267 667 84 43 86 214 28 129 257 643 86 42 84 209 29 124 248 621 88 41 82 205 30 120 240 600 90 40 80 200 31 116 232...

Page 27: ...ench 3 Turn the electrical and gas supplies back on and with the burners in operation check for gas leakage around the gas valve pressure port using an approved non corrosive gas leak detection fluid...

Page 28: ...ower speed for each model is shown in Table 17 Use of a heating speed other than the default heating blower speed may result in reduced energy efficiency and higher electric utility bills In certain c...

Page 29: ...B High 1418 1390 1364 1333 1304 1281 1246 1205 Medium High 1305 1281 1244 1217 1182 1149 1109 1066 Medium 1139 1112 1071 1035 992 951 908 874 Medium Low 1017 986 948 901 859 819 765 727 Low 885 821 76...

Page 30: ...on air is provided the pressure switch closes and the ignition control provides a 17 second ignitor warm up period The gas valve then opens the gas starts to flow ignition occurs and the flame sensor...

Page 31: ...Flashes and will enter a one hour soft lockout 5 RED FLASHES This fault is indicated if the normally closed rollout switch opens The rollout control is manually reset Check for proper combustion air...

Page 32: ...e memory has been cleared and resumes the normal slow green flash after a five second pause SECTION XI REPLACEMENT PARTS LIST DESCRIPTION MOTOR MOTOR DIRECT DRIVE BLOWER BLOWER COMBUSTION ELECTRICAL C...

Page 33: ...RVICE 5754336 UWD A 0519 Fault Code Retrieval To retrieve fault codes push and release ERROR button on control board The LED will flash the last five error codes beginning with the most recent If ther...

Page 34: ...5715184 BIM A 0519 34 Johnson Controls Ducted Systems NOTES...

Page 35: ...Ells Polarity is correct black is L1 hot white is N neutral Ground wire is connected Line voltage value to furnace volts AC Low voltage value between R and C on furnace control board volts AC Thermos...

Page 36: ...atic in w c after Air Side Heating Air Side Cooling Air Side Continuous Fan Clean Up Give owner the owner s manual provided Gas Type Explain thermostat use and programming if applicable to owner Cycle...