American Standard CUB1A040A9241A Installation, Operation And Maintenance Manual Download | Manualshive

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Page 31

Pub. No. 41-5010-20

Maintenance and Service

WIRING DIAGRAM

(continued on next page)

Downflow Wiring Diagrams

From Dwg. D342780P01 Rev. 01

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Summary of Contents for CUB1A040A9241A

Page 1: ...r VENT SIZING INFORMATION see USA National Fuel Gas Code ANSI Z223 1 NFPA 54 latest version CANADA Natural Gas Installation Code CAN CGA B149 1 latest version Propane Installation Code CAN CGA B149 2 latest version USA CANADA ALTERNATE Category I Venting Guide Pub No 18 CH23D1 2 Horizontal Conversion for these furnaces may be left or right side rotation 2007 American Standard Inc All Rights Reserv...

Page 2: ...ct must be gas piped by a Licensed Plumber or Gas Fitter in the Commonwealth of Massachusettes Safety signal words are used to designate a degree or level of seriousness associated with a particular hazard The signal words for safety markings are DANGER WARNING and CAUTION a DANGERindicatesanimminentlyhazardoussituationwhich if not avoided will result in death or serious injury This signal word is...

Page 3: ...ted Combustion systemCATEGORYIfurnacesasrequiredbyANSIZ21 47 latest edition and CAN CGA 2 3 Therefore they do not require any special provisions for venting other than what is indicated in these instructions Category I defined page 11 CAUTION To prevent shortening its service life the furnace should not be used as a Construction Heater during the finishing phases of construction until the requirem...

Page 4: ...Pub No 41 5010 20 Page 4 Installation Instructions CUB A OUTLINE DRAWING ALL DIMENSIONS ARE IN INCHES ...

Page 5: ... EXIT THROUGH CABINET MODEL A B C D CDB060A936D 14 1 4 9 5 8 13 1 4 13 CDB060A937D CDB080A945D CDB100A945D 17 1 2 9 5 8 16 1 4 16 CDB100A960D 21 13 1 16 19 3 4 19 1 2 CDB120A960D 24 1 2 15 5 16 23 1 4 23 Suffix letter may be A through Z CDB A OUTLINE DRAWING ALL DIMENSIONS ARE IN INCHES ...

Page 6: ...stallation to stabilize and secure the furnace and TXC cased coil in the horizontal position See Figure 4 The coil is placed downstream of the furnace with the apex of the coil pointing in the direction of the airflow for horizontal installa tion The cased coil is secured to the furnace and both the furnace and the cased coil must be properly supported The brackets mount using the rear screws on t...

Page 7: ... in Figure 9 or from the outdoors as in Figures 10 11 CONFINED FIGURE 8 LESS THAN 50 CU FT PER 1000 BTU HR INPUT ALL EQUIP INSTALLED 50 CU FT OR MORE PER 1000 BTU HR INPUT ALL EQUIP INSTALLED UNCONFINED FIGURE 7 1 All air from inside the building as in Figure 9 The confined space shall be provided with two permanent openings communi cating directly with an additional room s of sufficient volume so...

Page 8: ...n the furnace is located in a utility room adjacent to the living area the system should be carefully designed with returns which minimize noise transmission through the return air grille Al though these winter air conditioners are designed with large blowers operating at moderate speeds any blower moving a high volume of air will produce audible noise which could be objection able when the unit i...

Page 9: ... on page 10 provide information for installation of the filter retaining brackets shipped with downflow furnaces FILTER RETAINER BRACKETS FOR UPFLOW FURNACES If locating filter inside the furnace blower compartment is de sired it is necessary to install the 2 filter retainer brackets Filter retainer brackets are shipped with the furnace in a plastic bag attached to the control platform Follow the ...

Page 10: ...ACKET LOCATION 14 1 2 2 14X20X1 12 7 8 17 1 2 2 16X20X1 14 3 8 21 2 16X20X1 13 1 8 24 1 2 2 16X20X1 11 5 8 Location dimension is from end of duct to the screw holes for the bracket CABINET WIDTH RETURN DUCT WIDTH FILTER ACCESS OPENING DIMENSION A FILTER ACCESS OPENING DIMENSION B 14 1 2 13 1 4 12 14 17 1 2 16 1 4 15 14 21 19 3 4 19 1 2 14 24 1 2 23 1 4 22 14 Typical Side Return Filter Typical Bott...

Page 11: ...Lined Chimney No No No External Yes Yes Yes B Vent Flexible Metal Chimney Lining Yes Yes Yes MASONRY CHIMNEY VENTING π π π π π D 2 4 X 7 External Masonry Chimney Venting of fan assisted appliances into external chimneys one or more walls exposed to outdoor temperatures requires the chim ney be lined with type B double wall vent or suitable flexible chimney liner material This applies in all combin...

Page 12: ...11 12 OVER 11 12 TO 12 12 OVER 12 12 TO 14 12 OVER 14 12 TO 16 12 OVER 16 12 TO 18 12 OVER 18 12 TO 20 12 OVER 20 12 TO 22 12 1 0 FEET 1 5 FEET 2 0 FEET 2 5 FEET 3 25 FEET 4 0 FEET 5 0 FEET 6 0 FEET 7 0 FEET 7 5 FEET 8 0 FEET THIS REQUIREMENT COVERS MOST INSTALLATIONS CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system bein...

Page 13: ...ODES FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE 1 STAGE HEATING 1 STAGE COOLING USING A 1 STAGE HEATING 1 STAGE COOLING THERMOSTAT OUTDOOR SECTION WITHOUT TRANSFORMER Field Wiring Diagram From Dwg B340433 Rev 2 SEE NOTE 6 FURNACE B C B C TO 115 V 1 PH 60 HZ POWER SUPPLY PER LOCAL CODES FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE 1 STAGE HEATING USING A 1 STAGE HEATING THERMOSTAT NO COOLING ...

Page 14: ...flame Use a commer cially available soap solution made specifically for the detection of leaks to check all connections A fire or explo sion may result causing property damage personal injury or loss of life SEQUENCE OF OPERATION Thermostat call for heat R and W thermostat contacts close signaling the control module to run its self check routine After the control module has verified thatthepressur...

Page 15: ...igure 17 for White Rodgers gas valve model 36G For the gas valve model 36F measurement requires removal of the plug and installation of a barbed fitting Attach flexible tub ing and a manometer to the barbed fitting For the gas valve model 36G do not remove the pres sure tap test screw Using a 3 32 hex wrench loosen the pressure tap test screw one turn and install 5 16 flexible tubing and a manomet...

Page 16: ...l supply to the unit TABLE 13 TABLE 12 Orifice Twist Drill Size If Installed At Sea Level ALTITUDE ABOVE SEA LEVEL and Orifice Required At Other Elevations 2000 3000 4000 5000 6000 7000 8000 9000 10000 42 43 44 46 47 42 45 47 48 43 44 45 47 47 48 43 44 45 47 47 49 43 45 46 47 48 49 44 45 47 48 48 49 44 46 47 48 49 50 45 47 48 49 49 50 46 47 48 49 50 51 47 48 50 50 51 52 54 55 56 57 58 54 55 56 58 ...

Page 17: ...which are permanently lubricated and under normal use lubrication is not recommended INDOOR BLOWER TIMING The control module controls the indoor blower The blower starts approximately 45 seconds after ignition The FAN OFF period is approximately 100 seconds from the interruption of gas flow ROOM AIR THERMOSTAT HEAT ANTICIPATOR ADJUSTMENT Set the thermostat heat anticipator according to the current...

Page 18: ... or smoke can cause serious bodily injury death and or property damage A variety of potential sources of carbon monoxide can be found in a building or dwelling such as gas fired clothes dryers gas cooking stoves water heaters furnaces and fireplaces The U S Consumer Product Safety Commission recommends that users of gas burning appliances install carbon monoxide detectors as well as fire and smoke...

Page 19: ...o desired setting Combustion blower will start and ignition device will start to heat up After approximately 15 seconds main gas valve will open and burners will ignite 8 When thermostat is satisfied main burners will extinguish 9 If main burners fail to ignite lower thermostat setting or disconnect electrical supply wait 5 minutes raise thermostat setting above indicated temperature 10 If furnace...

Page 20: ...C GAS VALVE WITH MANUAL SHUT OFF GROUND UNION JOINT DRIP LEG AUTOMATIC GAS VALVE WITH MANUAL SHUT OFF MAIN MANUAL SHUT OFF VALVE GROUND UNION JOINT DRIP LEG DOWNFLOW FURNACE Manual Main Gas Shut off Valve May Be Located on the Right or Left Side MAIN MANUAL SHUT OFF VALVE MAIN MANUAL SHUT OFF VALVE HORIZONTAL FURNACE Manual Main Gas Shut off Valve May Be Located on the Top or Bottom Side MANUAL MA...

Page 21: ...e a high velocity type which are the same size as originally supplied How to remove your filter WARNING Disconnect power to unit before removing blower door Upflow furnaces use a high velocity type air filter which may be located within the furnace blower compartment in either a BOT TOM or SIDE left or right return air inlet The furnace may be secured with filter retaining brackets as shown or a f...

Page 22: ... the filters UPFLOW Vertical FILTER TABLES Downflow Horizontal furnaces are factory supplied with 2 stan dard size permanent type air filters which may be located remote to the furnace or in the return air duct Check with your dealer for the location of your filters A downflow horizontal furnace return air filter application as shown features two 14 x 20 x 1 filter in the 17 1 2 wide furnace cabin...

Page 23: ... valve 7 Lockout 7 Turn power on off on off twice in 30 seconds Insufficient Heating 1 Dirty air filters 1 Clean or replace filters Blower operates 2 Blocked supply or 2 Make sure registers are open and continuously return registers No obstacles blocking off the air No Heat Vent motor Restricted or plugged furnace 1 Remove drain clamps to condensate is running condensate drain trap and drain pan o...

Page 24: ...ection s is physically sound is sealed to the furnace and terminates outside the space containing the furnace d The physical support of the furnace should be sound without sagging cracks gaps etc around the base so as to provide a seal between the support and the base e There are no obvious signs of deterioration of the furnace Regular dealer maintenance 2 BLOWERS The blower size and speed determi...

Page 25: ... 1in 4 Round Alum Steel 20 4 45 4 56 Redundant Single Stage Hot Surface Ignition Multi port In shot 4 115 1 60 9 0 15 1 2 H x W x D 41 3 4 x 19 1 2 x 30 1 2 142 132 DISCONNECT POWER BEFORE SERVICING WARNING CUB1A060A9361A was built with a 10 X 7 blower housing however the 10 X 7 and 10 X 6 have identical airflow in this model 1 Central Furnace heating designs are certified by AGA and CSA 2 For U S...

Page 26: ...le Stage Hot Surface Ignition Multi port In shot 4 115 1 60 9 8 15 1 2 H x W x D 41 3 4 x 19 1 2 x 30 1 2 142 132 CUB1C100A9481A Upflow 100 000 79 000 35 65 80 0 Direct 10 x 8 1 4 See Fan Performance Table 1 2 1075 115 1 60 Centrifugal Direct 1 1 50 3180 115 1 60 1 09 No High Velocity 1 20x25 1in 4 Round Alum Steel 20 5 45 5 56 Redundant Single Stage Hot Surface Ignition Multi port In shot 5 115 1...

Page 27: ... Table 3 4 1075 115 1 60 Centrifugal Direct 1 1 50 3180 115 1 60 1 09 No High Velocity 2 16x20 1in 4 Round Alum Steel Type I 20 5 45 5 56 Redundant Single Stage Hot Surface Ignition Multi port In shot 5 115 1 60 13 4 20 1 2 H x W x D 41 3 4 x 23 x 30 1 2 167 155 CDB1D120A9601A Downflow Horizontal 120 000 96 000 30 60 80 0 Direct 11 x 10 1 4 See Fan Performance Table 3 4 1075 115 1 60 Centrifugal D...

Page 28: ...gure Cooling Fan Delay and Wiring Diagram Heating The control module controls the indoor blower The blower start is fixed at 45 seconds after ignition The FAN OFF period is fixed at 100 seconds Cooling The fan delay off period is factory set at 0 seconds The option for 80 second delay off is field selectable by clipping a jumper on the integrated furnace control board See wiring diagram NOTE Direc...

Page 29: ...Page 29 Pub No 41 5010 20 Maintenance and Service WIRING DIAGRAM From Dwg D342779P01 Rev 05 continued on next page Upflow Wiring Diagrams ...

Page 30: ...Pub No 41 5010 20 Page 30 Maintenance and Service SCHEMATIC DIAGRAM From Dwg D342779P01 Rev 05 ...

Page 31: ...Page 31 Pub No 41 5010 20 Maintenance and Service WIRING DIAGRAM continued on next page Downflow Wiring Diagrams From Dwg D342780P01 Rev 01 ...

Page 32: ...Pub No 41 5010 20 Page 32 Maintenance and Service SCHEMATIC DIAGRAM From Dwg D342780P01 Rev 01 ...

Page 33: ...ed 1476 1249 1020 873 1464 1257 1046 887 1441 1252 1058 890 1408 1234 1050 883 1363 1203 1028 864 1307 1158 990 834 1241 1101 936 794 1163 1030 866 742 1074 946 780 680 CUB1C100A9481A 4 3 2 1 HIGH Black MED HIGH Blue MED LOW Yellow LOW Red 1880 1662 1428 1208 1846 1635 1421 1215 1799 1598 1402 1210 1740 1551 1370 1193 1669 1493 1326 1164 1595 1424 1269 1124 1489 1345 1199 1073 1381 1256 1117 1009 ...

Page 34: ...ed 1767 1382 1130 840 1731 1354 1138 831 1669 1323 1115 815 1615 1292 1085 792 1546 1254 1054 762 1469 1207 1015 731 1392 1177 977 700 1300 1108 938 654 1146 1038 877 625 CDB1C100A9601A 4 3 2 1 HIGH Black MED HIGH Blue MED LOW Yellow LOW Red 2165 1962 1705 1492 2113 1927 1688 1467 2060 1891 1671 1442 1995 1839 1671 1442 1929 1786 1600 1385 1842 1724 1547 1346 1755 1662 1492 1307 1674 1581 1435 124...

Page 35: ...er condition indicates that a service call is required For best operation burners must be cleaned annually using brushes and vacuum cleaner Turn off gas and electric power supply To clean burners remove burner box cover 6 to 8 screws and top burner bracket Lift burners from orifices NOTE Be careful not to break igniter when removing burners Clean burners with brush and or vacuum cleaner Reassemble...

Page 36: ...NOTES Pub No 41 5010 20 Page 36 ...

Page 37: ... diagnosis calls are not included This limited warranty does not cover failure of your gas furnace if it is damaged while in your possession damage caused by unreasonable use of the gas furnace and or damage from failure to properly maintain the gas furnace as set forth in the Use and Care manual see Proper Maintenance section THE LIMITED WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL ...

Page 38: ...steel heat exchanger fails because of a manufacturing defect within the second through twentieth year from the date of original purchase Warrantor shall furnish without charge a replacement heat exchanger Warrantor s obligations and liabilities under this warranty are limited to furnishing F O B Warrantor factory or warehouse replacement parts for Warrantor s products covered under this warranty N...

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