Coleman LC8T-UH User's Manual
Contents
1. Output BTU H Nominal 5 Blower Models High Low High Low Airflow _ Cabinet Width Blower Size MBH MBH CFM In Hp Amps In FC8T040A12UH11 40 26 32 21 1200 14 1 2 80 0 1 2 7 7 10x8 KL C8STO60A12UH11 57 42 46 34 120 1412 800 12 77 10x8 F L C8T080A12UH11 80 59 64 48 1200 14 1 2 80 0 1 2 7 7 10x8 F L C8T080B16UH11 80 59 64 48 1600 17 1 2 80 0 3 4 11 5 10 x 10 F L C8TO80C16UH11 80 59 64 48 1600 21 80 0 3 4 11 5 10x 10 FC8T100B12UH11 100 65 80 53 1200 17 1 2 80 0 1 2 11 5 10x 10 F L C8T100C20UH11 100 65 80 53 2000 21 80 0 1 14 11x10 FC8T120C16UH11 120 78 96 64 1600 21 80 0 3 4 11 5 11x10 F L C8T120C20UH11 120 78 96 64 2000 21 80 0 1 14 11x 11 Input Cabinet Max Outlet Low Fire High Fire Unit Max Min wire Size Operation Models High Low Air Temp Air Temp Rise Air Temp Rise Amps Over Current awg 75 ft Weight MBH oF oF oF Protect one way Lbs FC8T040A12UH11 40 26 150 15 45 20 50 9 0 20 14 107 F L C8T060A12UH11 57 42 160 25 55 35 65 9 0 20 14 107 F L C8T080A12UH11 80 52 175 30 60 40 70 9 0 20 14 117 F L C8T080B16UH11 80 59 160 25 55 25 55 12 0 20 14 129 F L C8T080C16UH11 80 59 160 25 55 25 55 12 0 20 14 130 FC8T100B12UH11 100 65 170 25 55 40 70 12 0 20 14 128 F EDC8T100C20UH11 100 60 170 2555 4070 120 20 14 145 FC8T120C16UH11 120 78 180 25 55 45 75 12 0 20 14 145 F L C8T120C20UH11 120 78 170 25 55 35 65 14 0 20 12 147 Annual Fuel Utilization Efficiency AFUE numb2. F L C8T080A12UH11 Medium High Medium Low Low High Medium F L C8T080B16UH11 Low High F L C8TO80C16UH11 Medium Low High Medium High Medium Low FC8T100B12UH11 Low High Medium High Medium Low F L C8T100C20UH11 Low High FC8T120C16UH11 Medium Low Medium High F L C8T120C20UH11 Medium Low Low NOTES 1 Airflow expressed in standard cubic feet per minute Return air is through side opposite motor left side Motor voltage at 115 V Airflow through motor side return right side maybe slightly less than shown above 4 Unitary Products Group HORIZONTAL SIDEWALL VENTING For applications where vertical venting is not possible the only approved method of horizontal venting is the use of an auxiliary power vent Approved power venters are Fields Controls Model SWG 4Y or the appropriate Tjernlund GPAK model Follow all application and installation details provided by the manufacturer of the power vent This unit may be hori zontally vented using 4 10 2 cm diameter pipe with a mini mum length of 4 5 feet 1 37 m and a maximum length of 34 5 feet 10 82 m with up to 4 elbows FILTER PERFORMANCE The airflow capacity data published in the Blower Perfor mance table listed above represents blower performance WITHOUT filters To determine the approximate blower per formance of the system apply the filt
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4. Alcove Attic Upflow 1 6 0 0 3 6 Combustible Yes Yes Yes No Upflow B Vent 1 3 0 0 0 1 Combustible Yes Yes Yes No Horizontal 1 6 0 0 3 6 Combustible No Yes Yes Yes Horizontal B Vent 1 3 0 0 0 1 Combustible No Yes Yes Yes 1 Line contact only permitted between lines formed by the intersection of the rear panel and side panel top in horizontal postion of the furance jacket and building joists studs or framing Unitary Products Group 246756 CTG C 0407 APPLYING FILTER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW To determine the approximate airflow of the unit with a filter in place follow the steps below 1 Selectthe filter type 2 Select the number of return air openings or calculate the return opening size in square inches to determine the proper filter pressure drop 3 Determine the External System Static Pressure ESP without the filter 4 Select a filter pressure drop from the table based upon the number of return air openings or return air opening size and add to the ESP from Step 3 to determine the total system static 5 If total system static matches a ESP value in the airflow table i e 0 20 w c 50 Pa 0 60 w c 150 Pa etc the System airflow corresponds to the intersection of the ESP column and Model Blower Speed row 6 If the total system static falls between ESP values in the table i e 0 58 w c 144 Pa 0 75 w c 187 Pa etc the static pressure may be rounded to the nearest value in the
5. FOR DISTRIBUTION USE ONLY NOT TO BE USED AT POINT OF RETAIL SALE 246756 CTG C 0407 4 Diameter k 20 VENT CONNECTIONS I 1 on POWER WIRING 7 8 HOLE 13 34 x 14 3 4 24 2 M iml 32 1 2 y GAS INLET AOCESS 1 1 4 x 2 1 2 LI o eee oe WIRING o 7 8 K O PHT posee TSTATWIRING 7 8 KO 1 i TERES 23 1 2 9 2 14 INCREASE l osa 7 J v b 1 1 8 A 1 30 1 8 4 LEFT SIDE RIGHT SIDE 1 1 2 5 8 26 3 4 I4 20 x 58 B 6 0 gt 4 Di t 24 3 4 BOTTOM IMAGE ameter 1 RETURN END SUEPEN END CABINET AND DUCT DIMENSIONS Cabinet Dimension Models CFM Cabinet Size A B FC8T040A12UH11 1200 A 14 1 2 13 1 4 11 1 2 10 1 8 F L C8T060A12UH11 1200 A 14 1 2 13 1 4 11 1 2 10 1 8 F L C8T080A12UH11 1200 A 14 1 2 13 1 4 11 1 2 10 1 8 F L C8T080B16UH11 1600 B 17 1 2 16 1 4 14 1 2 11 5 8 F L C8T080C16UH11 1600 C 21 19 3 4 18 13 3 8 FC8T100B12UH11 1200 B 17 1 2 16 1 4 14 1 2 11 5 8 F L C8T100C20UH11 2000 C 21 19 3 4 18 13 3 8 FC8T120C16UH11 1600 C 21 19 3 4 18 13 3 8 F L C8T120C20UH11 2000 C 21 19 3 4 18 13 3 8 RATINGS amp PHYSICAL ELECTRICAL DATA Input Cabinet
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8. Coleman TECHNICAL GUIDE Echelon MODELS FC8T UH LC8T UH GAS FIRED HIGH EFFICIENCY TWO STAGE UPFLOW HORIZONTAL FURNACES STANDARD amp Low NOx 80 AFUE NATURAL GAS 40 120 MBH INPUT EFFICIENCY RATING CERTIFIED 4 M j 1000 REGISTENV V ISO 9001 Certified Quality Management System Due to continuous product improvement specifications are subject to change without notice Visit us on the web at www york com for the most up to date technical information Additional rating information can be found at www gamanet org 246756 CTG C 0407 DESCRIPTION These high efficiency compact units employ induced com bustion reliable hot surface ignition and high heat transfer tubular heat exchangers The units are factory shipped for installation in upflow or horizontal applications These furnaces are designed for residential installation in a basement closet alcove attic recreation room or garage and are also ideal for commercial applications All units are factory assembled wired and tested to assure safe depend able and economical installation and operation These units are Category listed and may be common vented with another gas appliance as allowed by the National Fuel Gas Code WARRANTY 20 year limited warranty on the heat exchanger 10 year heat exchanger warranty on commercial applica tions 5 year limited parts warranty FEATURES Two stage heating operation includes
9. For 14 1 2 cabinets 1880117 or 1BR0217 For 17 1 2 cabinets 1BR0121 or 1BR0221 For 21 cabinets 1880124 or 1BR0224 For 24 1 2 cabinets INTERNAL FILTER WITH FIBER FILTER 1HF0801 All Models HIGH ALTITUDE PRESSURE SWITCHES For installation where the altitude is less than 8 000 feet it is not required that the pressure switch be changed For alti tudes above 8 000 feet see kits below Conversion must be made by qualified distributor or dealer personnel 1PS0313 040 060 080 100 MBH 1PS0314 120 MBH ROOM THERMOSTATS A wide selection of compatible thermosets are available to provide optimum performance and features for any installation 1 Heat Stage only manual mechanical thermostat Add sub base for 1H 1C 1H 1C manual change over electronic non programmable thermostat 1H 1C auto manual changeover electronic programmable deluxe 7 day thermostat 1H 1C auto manual changeover electronic programmable For the most current accessory information refer to the price book or consult factory Unitary Products Group 246756 CTG C 0407 For additional connection diagrams for all UPG equipment refer to Low Voltage System Wiring document available online at www upgnet com in the Product Catalog Section 4 HOJWOD esn 0 NO 0 jes eq 1snui Jes 1e1souueu JO 91 deis Z SIN 01195 eq snu nue Jes 1e1souueu
10. Two stage gas valve Two stage inducer operation Two speed blower operation e Provides increased comfort level amp very quiet unit oper ation e Adjustable delay timer allows two stage operation with single stage thermostat Compact easy to install ideal height 40 cabinet Blower off delay for cooling SEER improvement Easy to connect power control wiring Built in high level self diagnostics with fault code display Low unit amp requirement for easy replacement applica tion Integrated control module for reliable economical opera tion Electronic Hot Surface Ignition saves fuel cost with increased dependability and reliability Induced combustion system with inshot main burners for quiet efficient operation 10096 shut off main gas valve for extra safety PSC four speed direct drive motor with large quiet blower 24V 40 VA control transformer and blower relay supplied for add on cooling Hi tech tubular aluminized steel primary heat exchanger Timed on adjustable off blower capability for maximum comfort Solid removable bottom panel allows easy application Easy access from front of unit for cleaning maintenance or service Insulated blower compartment for quiet operation Independent door removal for greater durability and ease of access Low NOx models have been designed to meet specific code requirements Low NOx models may not be converted to propane unless Screens are removed
11. er drop value for the fil ter being used or select an appropriate value from the Filter Performance table shown below 246756 CTG C 0407 NOTE The filter pressure drop values in the Filter Perfor mance table shown below are typical values for the type of filter listed and should only be used as a guideline Actual pressure drop ratings for each filter type vary between filter manufacturer RECOMMENDED FILTER SIZES Cabinet Size Side in Bottom in A 16x25 14x25 B 16x25 16 x25 C 2 16 x 25 20 x25 NOTES 1 Air velocity through throwaway type filters may not exceed 300 feet per minute All velocities over this require the use of high velocity filters 2 Air flows above 1800 CFM require either return from two sides or one side plus bottom FILTER PERFORMANCE PRESSURE DROP INCHES W C AND KPA Airflow Range nnn TRE Opening Size Disposable Washable Fiber Pleated CFM in In W C In W C In W C 0 750 230 0 01 0 01 0 15 751 1000 330 0 05 0 05 0 20 1001 1250 330 0 10 0 10 0 20 1251 1500 330 0 10 0 10 0 25 1501 1750 380 0 15 0 14 0 30 1751 2000 380 0 19 0 18 0 30 2001 amp Above 463 0 19 0 18 0 30 UNIT CLEARANCES TO COMBUSTIBLES ALL DIMENSIONS IN INCHES AND ALL SURFACES IDENTIFIED WITH THE UNIT IN AN UPFLOW CONFIGURATION Application Top Front Rear S e Flue bircs Closet
12. ers are determined in accordance with DOE Test procedures Wire size and over current protection must comply with the National Electrical Code NFPA 70 latest edition and all local codes The furnace shall be installed so that the electrical components are protected from water 2 Unitary Products Group 246756 CTG C 0407 BLOWER PERFORMANCE CFM UPFLOW WITHOUT FILTER BOTTOM RETURN Bottom Airflow Data SCFM Models Ext Static Pressure in 20 0 4 0 5 0 6 0 7 High Medium High Medium Low FC8T040A12UH11 Low High Medium High Medium Low F L C8TO60A12UH11 Low High Medium High Medium Low F L C8T080A12UH11 Low High F L C8TO80B16UH11 Medium Low High F L C8TO80C16UH11 Medium Low High Medium High Medium Low FC8T100B12UH11 High Medium High Medium Low F L C8T100C20UH11 Low FC8T120C16UH11 Medium Low High Medium High Medium Low F L C8T120C20UH11 Low NOTES 1 Airflow expressed in standard cubic feet per minute 2 Motor voltage at 115 V Unitary Products Group 3 246756 CTG C 0407 BLOWER PERFORMANCE CFM UPFLOW WITHOUT FILTER LEFT SIDE RETURN Left Side Airflow Data SCFM Models Ext Static Pressure in 20 0 4 0 5 0 6 0 7 High Medium High Medium Low FC8T040A12UH11 Low High Medium High Medium Low F L C8T060A12UH11 Low High
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14. table determining the airflow using Step 5 or calcu late the airflow by using the following example Example For a 60 000 BTUH 17 58 kW furnace with a bot tom return opening and operating on high speed blower it is found that total system static is 0 58 w c To determine the system airflow complete the following steps Obtain the airflow values at 0 50 w c 125 Pa amp 0 60 w c 150 Pa ESP Airflow 0 50 1250 CFM 35 4 m min Airflow 0 60 1180 CFM 33 4 m min Subtract the airflow 0 50 w c 125 Pa from the airflow 0 60 w c 150 Pa to obtain airflow difference 1180 1250 70 CFM 12 Subtract the total system static from 0 50 w c 125 Pa and divide this difference by the difference in ESP values in the table 0 60 w c 150 Pa 0 50 w c 125 Pa to obtain a percentage 0 58 0 50 0 60 0 50 0 8 Multiply percentage by airflow difference to obtain airflow reduction 0 8 X 70 56 Subtract airflow reduction value to airflow 0 50 w c 125 Pa to obtain actual airflow 0 58 in w c 144 Pa ESP 1250 56 1194 ACCESSORIES PROPANE LP CONVERSION KIT 1NP0347 All units This accessory conversion kit may be used to convert natural gas N units for propane LP operation Conversions must be made by qualified distributor or dealer personnel SIDE RETURN FILTER 1SR0302 All Models 1SR0200 All Models BOTTOM RETURN FILTER 1BR0114 or 1BR0214
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