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*UC040C924
*UC060C936
*UC080C942

Upflow / Horizontal and Downflow / Horizontal
Gas-Fired Condensing Furnaces

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

IMPORTANT — This Document is customer property and is to remain with this unit.

Please return to service information pack upon completion of work.

Installer’s Guide

*UC100C948
*UC100C960
*UC120C960

*DC040C924
*DC060C936
*DC080C942

*__First letter may be “A” or “T”

A341624P01

UPFLOW

*UC-C

UPFLOW/HORIZONTAL

*DC-C

DOWNFLOW

DOWNFLOW/HORIZONTAL

*DC100C948
*DC120C960

18-CD19D5-10

Summary of Contents for *DC040C924

Page 1: ...LOCAL CODES IMPORTANT This Document is customer property and is to remain with this unit Please return to service information pack upon completion of work Installer s Guide UC100C948 UC100C960 UC120C...

Page 2: ...dicates a potentially hazardous situation which if not avoided could result in death or serious injury c CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or...

Page 3: ...tion of the heat exchanger WARNING These furnaces are not approved or intended for installation in manufactured mobile housing trailers or recreational vehicles Failure to follow this warning could re...

Page 4: ...B C D UC040C924 UC060C936 UC080C942 17 1 2 2 1 4 16 1 4 16 UC100C948 21 2 1 2 19 3 4 19 1 2 UC100C960 UC120C960 24 1 2 2 15 16 23 1 4 23 First letter may be A or T From Dwg 21C340386 Rev 7 UC C OUTLI...

Page 5: ...D DC040C924 DC060C936 DC080C942 17 1 2 2 1 4 16 1 4 16 DC100C948 21 2 1 2 19 3 4 19 1 2 DC120C960 24 1 2 2 15 16 23 1 4 23 First letter may be A or T From Dwg 21C340462 Rev 7 DC C DOWNFLOW HORIZONTAL...

Page 6: ...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 bracke...

Page 7: ...manent openings one commencing within 12 inches of the top and one commenc ing within 12 inches of the bottom of the enclosure The openings shall communicate directly or by ducts with the outdoors or...

Page 8: ...the return air ducts under the floor or through the attic Such design permits the installation of air return remote from the living area i e central hall When the furnace is installed so that the supp...

Page 9: ...provides information for installation of the filter retaining brackets shipped with downflow furnaces TABLE 4 MODELS NUMBERS CABINET WIDTH FILTER QTY SIZE UC040C924 UC060C936 UC080C942 17 1 2 1 17 X 2...

Page 10: ...rbon monoxide poisoning or death The following steps shall be followed for each appliance connected to the venting system being placed into operation while all other appliances connected to the ventin...

Page 11: ...E ALLOWABLE TEMPERATURE MARKING F891 CELLULAR CORE 158 ASTM F891 D2665 DWV PIPE 158 ASTM D2665 D1785 SCH 40 80 120 158 ASTM D1785 D2241 SDR SERIES 158 ASTM D2241 CPVC ASTM STANDARD PIPE TYPE ALLOWABLE...

Page 12: ...Cure time varies according to fit temperature and humidity NOTE Follow venting instructions carefully when using PVC cement IMPORTANT All joints must be water tight Flue condensate is somewhat acidic...

Page 13: ...CONDENSATE TRAP FOR VENT PIPE MUST BE A MINIMUM OF 6 INCHES IN HEIGHT B CONDENSATE TRAP FOR VENT AND INLET PIPE MUST BE CONNECTED INTO A CONDENSATE DRAIN PUMP AN OPEN OR VENTED DRAIN OR IT CAN BE CONN...

Page 14: ...l application may be right side drain by removing the drain lines and rotating the trap from left to right reconnecting the lines and running 1 2 CPVC pipe from the trap to the right side knock out ju...

Page 15: ...olled heat tape is required Typical sources of UL listed heat tapes are W W Granger Inc Wintergard Plus Series McMaster Carr Supply Co 3554 Series or your equipment supplier The condensate drain may b...

Page 16: ...the flue gas may have a detrimental effect on some building materi als This can be avoided by using the roof or chimney venting option When wall venting is used on any surface that can be affected by...

Page 17: ...flex type insulation VENTING THROUGH ROOF SECURE STAINLESS STEEL VENT CAP TO COUPLING WITH THREE STAINLESS STEEL SCREWS CLEARANCE HOLES DRILLED THROUGH COUPLING FOR SCREWS MUST BE LARGER THAN SCREW DI...

Page 18: ...ate such as Type 29 4C MUST be used throughout These fittings and fitting accessories are to be supplied locally DIRECTION OF STAINLESS STEEL FITTING All stainless steel fitting must be installed with...

Page 19: ...DIAGRAM FOR SINGLE STAGE HEATING COOLING OUTDOOR SECTION WITHOUT TRANSFORMER From Dwg 21B340387 Rev 1 From Dwg 21B340388 Rev 1 TO 115 V 1 PH 60 HZ POWER SUPPLY PER LOCAL CODES HUM SEE NOTE 5 EAC SEE N...

Page 20: ...determine the dial rating of the meter for one revolution 3 Match the Sec column in the gas flow in cfh Table 10 with the time clocked 4 Read the Flow column opposite the number of seconds clocked 5 U...

Page 21: ...MAY BE FROM EITHER SIDE Typical upflow furnace shown in horizontal AUTOMATIC GAS VALVE WITH MANUAL SHUTOFF z l UPFLOW MAY BE LEFT OR RIGHT HAND GAS PIPING THE DOWNFLOW VERTICAL MAY BE INSTALLED LEFT O...

Page 22: ...e complete cycle as outlined below Turn on the main electrical supply and set the thermostat above the indicated temperature The ignitor will automatically heat then the gas valve is energized to perm...

Page 23: ...on of the limit switches set the thermo stat to a temperature higher than the indicated temperature to bring on the gas valve Restrict the airflow by blocking the return air disconnecting the indoor b...

Page 24: ...ssure switch contacts will open and the gas valve will close to shut the unit down 6 CONDENSATE DRAIN BLOCKAGE If the condensate drain is blocked either by debris im proper draining or by freezing con...

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