York GY9 User's Manual
Contents
1. 0 249 Output Tap capine eo ks ee ek ee cass Mesum Fign 100 oe waa 28 nra 38 ree aa reef s2 fims 32 rove 20 ross 2a fose 28 oso 27 12008 mediumon oss 26 eae 26 eer as fon 2e aoa 2e are 25 fees 2a r a m 2 fre 20 tow re a sl a e ne e ose 20 fese 1e feof i seo 16 esef 15 ooo 14 war eel 8 frse _ ar vn ae ror a free ao vs a reonl ae ves _o7 tal oe rer or tow e 2 ooo a5 ars 2 avo 2e eos 2 frr e 70 20 ams 19 fon 1e oma 18 Hen fesoa oe e20 ee z225 o3 eras 61 eosa se froe se rere st rose 2e fisso aa raze 0 rion faso 7 fese e fesso o7_ aasr 64 arse or foore se reer ss rats st rror ae fises lt 1 Airflow expressed in standard cubic feet per minute CFM and in cubic meters per minute m min 2 Motor voltage at 115 V FILTER PERFORMANCE NOTE The filter pressure drop values in the Filter Perfor mance table shown are typical values for the type of filter listed and should only be used as a guideline Actual pres sure drop ratings for each filter type vary between filter manu facturer 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 filter drop value for the fil ter being used or select an appropriate value from the Filter Performance table shown2. Cu DRAIN 2 K O fo 7 8 JUNCTION BOX HOLE 1 1 2 GAS PIPE ENTRY CONDENSATE DRAIN 7 8 K O 60 55 117 5777610 BTUH KW ory Input Output E 100 95 29 28 27 82 1600 45 31 80 75 23 42 21 96 1600 45 31 31 T00 95 29 28 27 82 2000 56 63 1207112 85 1473280 2000 56 63 COMBUSTION AIR SUPPLY AND VENT PIPING MAXIMUM ELBOWS AND VENT LENGTHS Models Input Pipe Size Maximum Number of Elbows Len ere ee E es E 60 000 17 6 60 000 17 6 60 000 17 6 80 000 23 4 1200 80 000 23 4 1200 80 000 23 4 1600 80 000 23 4 1600 100 000 29 3 120 000 35 1 3 76 um gth Three elbows two in vent pipe and one in the air intake pipe are already accounted for and need not be included in the elbow count from the Table above Unitary Products Group 036 21560 001 Rev A 0204 HIGH ALTITUDE PRESSURE SWITCH APPLICATION Input MBH Uptlow Models Output MBH 4 500 To 10 000 Ft 55 60 1200 Co iPSO90i 80 1200 TP50902 80 1600 TP50903 100 1600 TPS0907 100 2000 TPS0907 120 2000 TPS0907 NOTE For high altitude conversion an orifice change may also be required See Form 035 14460 001 for application information ELECTRICAL AND PERFORMANCE DATA C pn Omp Nominal Aitiow Cabinet Wiath AFUE Air Temp Rise o e s e o ao re a f Co asf a ar o ao e m a se j Co a a a7 o es ees SP o O oo y a Max Outlet i Max Min
3. Products Group COIL TRANSITION KIT 1TK0917 17 Furnace 1TKO921 21 Furnace 1TK0924 24 Furnace Required in downflow applications when using G FD series coils CONDENSATE NEUTRALIZER KIT 1NK0301 Neutralizer cartidge has a 1 2 plastic tube fittings for installa tion in the drain line Calcium carbonate refill media is also avaiable from the Source 1 Parts p n 026 30228 000 HIGH ALTITUDE PRESSURE SWITCHES Used to convert units for operation at altitudes from 4 500 ft to 10 000 ft Refer to table on page 3 for proper pressure switch application For Application See 035 14447 000 036 21560 001 Rev A 0204 FIELD INSTALLED ACCESSORIES ELECTRICAL MODEL NO DESCRIPTION THERMOSTAT Electronic Non Programmable 2ET03700324 One stage Heat Cool Manual Changeover Integral Subbase System Switch Cool Off Heat Fan Switch Auto On THERMOSTAT One stage Heat Deluxe 24V with Heat only Sub 21H13700424 base does not include Fan Switch NOTE For One stage Cool or One stage Heat Cool must be used with Subbase 2TB17700424 SUBBASE 24V One stage heat cool Manual changeover integral subbase System Switch Cool Off Heat Fan Switch Auto On 21B17700424 THERMOSTAT Electronic 7 Day Programmable 2ET03701024 One Heat One Cool Auto Changeover Integral Subbase System Switch Cool Off Heat Fan Switch Auto On Power Stealing TS THERMOSTAT Electronic 7 Day Programmable 2ET03700024 Two Hea
4. To determine the system airflow complete the following steps 1 Obtain the airflow values at 0 50 amp 0 60 ESP Airflow 0 50 2125 CFM Airflow 0 60 2035 CFM 2 Subtract the airflow 0 50 from the airflow 0 60 to obtain airflow difference 2035 2125 90 CFM 3 Subtract the total system static from 0 50 and divide this difference by the difference in ESP values in the table 0 60 0 50 to obtain a percentage 0 58 0 50 0 60 0 50 0 8 4 Multiply percentage by airflow difference to obtain airflow reduction 0 8 x 90 72 5 Subract airflow reduction value to airflow 0 50 to obtain actual airflow 0 58 ESP 2125 72 2053 Special floor base or air conditioning coil required for use on combustible floor t Line contact only permitted between lines formed by the intersection of the rear panel and side panel top in horizontal position of the furnace jacket and building joists studs or framing 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 CONCENTRIC VENT TERMINATION 1C T0302 2 1C T0303 3 For use through rooftop sidewall Allows combustion air to enter and exhaust to exit through single common hole Elimi nates unslightly elbows for a cleaner installation Unitary
5. FILTER PERFORMANCE PRESSURE DROP INCHES W C AND KPA FILTER TYPE AIRFLOW RANGE COARSE FIBER DISPOSABLE PLEATED WASHABLE ee ee eee Coarse Fiber Filters are the type supplied with furnace if supplied 4 Unitary Products Group 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 Select the filter type 2 Determine the External System Static Pressure ESP without the filter 3 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 4 If total system static matches a ESP value in the airflow table i e 0 20 0 60 etc the system airflow corre sponds to the intersection of the ESP column and Model Blower Speed row 5 Ifthe total system static falls between ESP values in the table i e 0 58 0 75 etc the static pressure may be rounded to the nearest value in the table determining the airflow using Step 5 or calculate the airflow by using the following example UNIT CLEARANCES TO COMBUSTIBLES LEFT RIGHT FLOOR LINE APPLICATION TOP FRONT 8 SIDE SIDE FLUE BOTTOM CLOSET ALCOVE ATTIC CONTACT DOWNFLOW cane 036 21560 001 Rev A 0204 Example For a 130 000 Btuh furnace operating on high speed blower it is found that total system static is 0 58 w c
6. Wire Size MBH Protect One Way o eer m 7 me mm 9 a o u Co ser m 7 me an o O a O a o 2 m m 02 n z9x 2 2 m Wire size and overcurrent protection must comply with the National Electric Code NOTES 1 For altitudes above 2000 ft reduce capacity 4 for each 1000 ft above sea level 2 Wire size based on copper conductors 60 C 3 voltage drop 3 Continuous return air temperature must not be below 55 F ADD ON COOLING MODEL FILTER SIZE APPROX NUMBER TONS CFM 5 ESP OPER WEIGHT GY9S060B12DH11 1 1 2 2 2 1 2 3 1550 GY9S080B12DH11 2 2 1 2 3 1530 GY9S080C16DH11 2 14x 20 3 3 1 2 4 1860 GY9S100C16DH11 3 3 1 2 4 1830 GY9S100C20DH11 3 1 2 4 5 2000 GY9S120D20DH11 3 1 2 4 5 2100 ESP External Static Pressure 5 WG is at furnace outlet ahead of cooling coil NOTES 1 All filters must be high velocity cleanable type FIELD WIRING DIAGRAMS POWER WIRING ROOM FURNACE CONDENSING BLK Mm BLK HOT THERMOSTAT CONTROL UNIT o NOMINAL WHT M_ WHT NEUTRAL 115 VOLT TO AIR CONDITIONER GRN _ _ GRD L CONTROLS A Unitary Products Group 3 036 21560 001 Rev A 0204 BLOWER PERFORMANCE CFM AIRFLOW WITH TOP RETURN MODELS EXTERNAL STATIC PRESSURE INCHES W C kPa Input Speed 0 1 0 025 0 2 0 050 0 3 0 075 0 4 0 099 0 5 0 124 _ 0 6 0 149 _ 0 7 0 174 0 8 0 199 0 9 0 224 1 0 0 249
7. pe Sealed combustion or single pipe vent using indoor combustion air e Top intake amp vent connection allows downflow installa tion in narrow locations e Electronic Hot Surface Ignition saves fuel cost with increased dependability and reliability e Induced combustion system with inshot main burners for quiet efficient operation e No special vent termination kit required e 100 shut off main gas valve for extra safety e PSC four speed direct drive motor with large quiet blower e 24V 40 VA control transformer and blower relay supplied for add on cooling e Hi tech tubular aluminized steel primary heat exchanger e Secondary condensing heat exchanger of 29 4C high grade stainless steel e Timed on adjustable off blower capability for maximum comfort e Easy toolist access from front of unit for cleaning main tenance or service e Protection from intake exhaust or condensate blockage e High velocity filter provided for field installation FOR DISTRIBUTION USE ONLY NOT TO BE USED AT POINT OF RETAIL SALE 036 21560 001 Rev A 0204 T STAT WIRING 7 18 K O HORIZONTAL CONDENSATE DRAIN 2 ONL m 7 8 JUNCTION o BOX HOLE 21 9716 1 1 2 GAS PIPE ENTRY CONDENSATE DRAIN 7 8 K O r lt 19 1 4 gt c fo COO Pp M 23 1 4 BOTTOM IMAGE TOP IMAGE RETURN END SUPPLY END T STAT WIRING 7 18 K O HORIZONTAL GONDENSATE
8. t Two Cool Auto Changeover Integral Sub base System Switch Cool Off Heat Fan Switch Auto On 6 Unitary Products Group 036 21560 001 Rev A 0204 NOTES Unitary Products Group 7 Subject to change without notice Printed in U S A Copyright by York International Corp 2004 All rights reserved Unitary 5005 Products York Group Drive 036 21560 001 Rev A 0204 Supersedes Nothing Norman OK 73069
9. wal YORK Heating Air Conditioning TECHNICAL GUIDE MODELS GY9 GAS FIRED CONDENSING HIGH EFFICIENCY DOWNFLOW HORIZONTAL FURNACES 91 AFUE NATURAL GAS 60 120 MBH INPUT EFFICIENCY RATING CERTIFIED AP a i fy at i 2000 REGIE RA This product was manufactured in a plant whose quality system is certified registered as being in conformity with ISO 9001 036 21560 001 Rev A 0204 DESCRIPTION These Category IV highly efficient compact condensing type furnaces are designed for residential and commercial installations in a basement closet alcove recreation room or garage where the ambient temperature is above 32 F or higher They may be either side wall or thru roof vented using approved plastic type combustion air and vent piping All units are factory assembled wired and tested to assure dependable and economical installation and operation WARRANTY Lifetime limited warranty on the heat exchanger 10 year warranty on the heat exchanger in commercial applications 5 year limited parts warranty FEATURES e Compact easy to install ideal height 40 cabinet e Blower off delay for cooling SEER improvement e Easy to connect power control wiring e Built in high level self diagnostics with fault code display e Low unit amp requirement for easy replacement applica tion e Integrated control module for reliable economical opera tion e May be installed as either two pi
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