York AFFINITY PS8 Guida rapida
TECHNICAL GUIDE
AFFINITY
MODELS: PS8
GAS-FIRED
HIGH EFFICIENCY SINGLE STAGE
DOWNFLOW FURNACES
80% AFUE
NATURAL GAS
40 - 130 MBH INPUT
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.
EFFICIENCY
RATING
CERTIFIED
This product was manufactured
in a plant whose quality system
is certified/registered as being
in conformity with ISO 9001.
036-21610-001 Rev. A (0804)
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
These high efficiency, dedicated downflow compact units
employ induced combustion, reliable hot surface ignition and
high heat transfer tubular heat exchangers.
These furnaces are designed for residential installation in a
closet, attic or garage and are ideal for commercial applica-
tions. All units are factory assembled, wired and tested to
assure safe dependable and economical installation and
operation.
These units are Category I 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
• Dedicated downflow models may be easily applied with-
out any field conversion
• Top vent connection allows installation in narrowloca-
tions
• Electronic hot surface ignition with high reliability and
dependability
• 100% shut off main gas valve for added safety
• High velocity filter provided for field installation
• "Diamond Tough" hot surface igniter
• High quality inducer motor for quiet operation
• Standard terminals for controlling humidifiers & EAC's
• 40 VA control transformer, fuse protected
• Easy to connect power and control wiring
• Efficiency ratings of 80 AFUE attained by usingtubular
heat exchangers
• Cooling relay standard for easy installation of add-on
cooling
• Blower off-delay for cooling SEER improvement
• Multi-speed PSC, direct-drive blower motors to match
cooling requirements
• Adjustable fan-off settings to eliminate "cold-blow"
• Compact 40-in height allows installation in small space
confines
• All models are propane convertible
• Attractive baked enamel finish for durability
036-21610-001 Rev. A (0804)
2Unitary Products Group
3/4
FRONT LEFT SIDE RIGHT SIDE
GAS INLET
1-1/4" X 2-1/2"
D
(Vent Connection)
5-3/4
2-1/2
ALT. GAS INLET
1-1/4" X 2-1/2"
T'STAT WIRING
7/8" K.O.
31-1/8
28-1/2
20
B
40
A
TOP IMAGE
Vent Connection
(vent size)
D
20
B
BOTTOM IMAGE
1-1/8
20
FRONT
1-1/8
Power
Wiring
7/8" K.O.
A
C
7-3/8
FRONT
E
5
F
1-7/8
CABINET AND DUCT DIMENSIONS
BTUH
Input/Output CFM Cabinet
Size Cabinet Dimension
ABCDEF
40/32 1200 A 14 1/2 13 1/4 10 1/8 4.0 10 1/8 3 3/4
60/48 1200 A 14 1/2 13 1/4 10 1/8 4.0 10 1/8 3 3/4
80/64 1200 A 14 1/2 13 1/4 10 1/8 4.0 10 1/8 3 3/4
80/64 1600 B 17 1/2 16 1/4 13 1/8 4.0 11 5/8 3 3/4
100/80 1200 B 17 1/2 16 1/4 13 1/8 4.0 11 5/8 3 3/4
100/80 2000 C 21 19 3/4 16 5/8 4.0 13 3/8 3 3/4
115/92 1600 C 21 19 3/4 16 5/8 4.0 13 3/8 3 3/4
115/92 2000 C 21 19 3/4 16 5/8 4.0 13 3/8 3 3/4
130/104 2000 D 24 1/2 23 1/4 20 1/8 4.0 15 1/8 3 3/4
HORIZONTAL SIDEWALL VENTING CLEARANCES - MUST USE FIELDS CONTROL MODELS SWG-4Y OR TJERENLAND
MODEL GPAK-JT FIELD SUPPLIED POWER VENTING KITS
Heating Heating Furnace Horizontal Vent Length Ft with 4 Elbows
Input Output Airflow Pipe Size Min. Vent Length Max. Vent Length
BTU/H BTU/H CFM Inches Feet Feet
40,000 32,000 1200 4 4.5 34.5
60,000 48,000 1200 4 4.5 34.5
80,000 64,000 1200 4 4.5 34.5
80,000 64,000 1600 4 4.5 34.5
100,000 80,000 1200 4 4.5 34.5
100,000 80,000 2000 4 4.5 34.5
115,000 92,000 1600 4 4.5 34.5
115,000 92,000 2000 4 4.5 34.5
130,000 104,000 2000 4 4.5 34.5
036-21610-001 Rev. A (0804)
Unitary Products Group 3
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.
Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures.
* ESP (External Static Pressure) .5" WG is at furnace outlet ahead of cooling coil.
NOTES:
1. All filters must be high velocity cleanable type.
2. Air flows above 1800 CFM require either return from two sides or one side plus bottom.
RATINGS & PHYSICAL / ELECTRICAL DATA
Input
MBH Output
MBH Nominal
CFM CabinetWidth
In. AFUE Air Temp. Rise °F
40 32 1200 14-1/2 80.0 20-50
60 48 1200 14-1/2 80.0 25-55
80 64 1200 14-1/2 80.0 35-65
80 64 1600 17 1/2 80.0 25-55
100 80 1200 17 1/2 80.0 40-70
100 80 2000 21 80.0 25-55
115 92 1600 21 80.0 35-65
115 92 2000 21 80.0 30-60
130 104 2000 24-1/2 80.0 40-70
Input MBH Max. Outlet
Air Temp °F
Blower Blower
Size In. Total Unit
Amps
Max Over-current
Size (awg) @ 75 ft.
protect
Min.
Wire
one way
Operation
WGT. LBS
Hp Amps
40 150 1/3 6.2 10 x 8 9.0 20 14 100
60 155 1/3 6.2 10 x 8 9.0 20 14 110
80 165 1/3 6.2 10 x 8 9.0 20 14 120
80 160 3/4 11.0 11 x10 12.0 20 14 130
100 170 1/2 7.0 10 x 8 12.0 20 14 125
100 155 1 12.2 11 x 10 14.0 20 12 140
115 165 3/4 11.0 11 x 10 12.0 20 14 150
115 160 1 12.2 11 x 10 14.0 20 12 150
130 170 1 12.2 11 x 10 14.0 20 12 160
FILTER SIZES
Input / Output BTU/H CFM Cabinet Size Top Return Filter (in)
40/37 1200 A (2) 14 x 20
60/48 1200 A (2) 14 x 20
80/64 1200 A (2) 14 x 20
80/64 1600 B (2) 14 x 20
100/80 1200 B (2) 14 x 20
100/80 2000 C (2) 14 x 20
115/92 1600 C (2) 14 x 20
115/92 2000 C (2) 14 x 20
130/104 2000 D (2) 14 x 20
036-21610-001 Rev. A (0804)
4Unitary Products Group
† Indicates models available in LoNOx.
NOTES:
1. Airflow expressed in standard cubic feet per minute (CFM) and in cubic meters per minute (m3/min).
2. Return air is through side opposite motor (left side).
3. Airflows above 1800 CFM (50.97 m3/min) require either return from two sides or one side plus bottom.
4. Motor voltage at 115 V.
5. NR = Operation at this static pressure is not recommended.
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 filter drop value for the fil-
ter being used or select an appropriate value from the “Filter
Performance” table shown below.
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.
BLOWER PERFORMANCE CFM - (WITHOUT FILTER)
MODELS
Input/Output/
Airflow/cabinet
Speed
Tap
EXTERNAL STATIC PRESSURE, INCHES WC
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm
40/32/1200/"A" †
60/48/1200/"A" †
80/64/1200/"A" †
HIGH 1580 1530 1470 1405 1330 1245 1150 1045 890 650
MED-HIGH 1110 1100 1075 1060 1030 980 920 835 680 520
MED-LOW 845 840 830 815 790 750 670 595 480 320
LOW 675 665 660 645 620 585 530 455 360 255
80/64/1600/"B" † HIGH 1970 1935 1900 1850 1795 1735 1660 1590 1495 1395
MED 1445 1435 1425 1415 1405 1375 1350 1300 1240 1160
LOW 1245 1235 1225 1215 1205 1190 1170 1135 1090 995
100/80/1200/"B" † HIGH 1675 1645 1595 1530 1465 1385 1280 1155 1025 810
MED 1270 1260 1250 1240 1215 1185 1125 1035 910 695
LOW 955 950 945 935 920 905 865 810 685 510
115/92/1600/"C" HIGH 2040 1975 1925 1855 1780 1695 1610 1505 1380 1225
MED 1725 1685 1650 1610 1555 1500 1425 1340 1220 1075
LOW 1365 1355 1325 1290 1265 1250 1210 1140 1045 940
100/80/2000/"C" †
115/92/2000/"C" †
HIGH 2400 2320 2275 2200 2115 2025 1930 1825 1700 1570
MED 2050 2025 1980 1930 1855 1805 1720 1635 1530 1400
LOW 1690 1675 1660 1630 1610 1560 1500 1430 1330 1225
130/104/2000/"D" † HIGH 2380 2330 2270 2205 2120 2025 1920 1815 1705 1565
MED 2040 2010 1980 1920 1875 1790 1705 1610 1515 1385
LOW 1690 1680 1655 1630 1590 1530 1490 1425 1350 1235
NOTE: Data below reflects airflows with two return openings - two sides or one side and bottom
80/64/2000/"C"
100/80/2000/"C" †
115/92/2000/“C" †
HIGH 2405 2340 2275 2210 2130 2050 1955 1840 1725 1600
MED 2005 1990 1965 1935 1880 1815 1725 1635 1535 1410
LOW 1655 1640 1625 1610 1585 1540 1485 1420 1340 1235
130/104/2000/"D" † HIGH 2385 2335 2275 2195 2120 2040 1935 1820 1700 1555
MED 2005 1980 1955 1905 1845 1775 1700 1610 1500 1370
LOW 1640 1635 1620 1605 1575 1540 1480 1400 1330 1225
BLK
WHT
GRN
BLK (HOT)
WHT (NEUTRAL)
GRN
NOMINAL
120 VOLT
036-21610-001 Rev. A (0804)
Unitary Products Group 5
* Washable Fiber are the type supplied with furnace (if supplied).
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. 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, 0.60, etc,) the system airflow corre-
sponds 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, 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.
Example: For a 130,000 Btuh furnace with 2 return openings
and operating on high speed blower, it is found that total sys-
tem static is 0.58" w.c. To determine the system airflow, com-
plete the following steps:
1. Obtain the airflow values at 0.50" & 0.60" ESP.
Airflow @ 0.50": 2120 CFM
Airflow @ 0.60": 2040 CFM
2. Subtract the airflow @ 0.50" from the airflow @ 0.60" to
obtain airflow difference.
2040 - 2120 = -80 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(-80) = -64
5. Subract airflow reduction value to airflow @ 0.50" to
obtain actual airflow @ 0.58" ESP.
2120 - 64 = 2056
FILTER PERFORMANCE - PRESSURE DROP INCHES W.C.
Airflow
Range Minimum Opening Size Filter Type
Disposable WASHABLE FIBER* Pleated
1 Opening 2 Openings 1 Opening 2 Openings 1 Opening 2 Openings 1 Opening 2 Openings
CFM In³ In³ inwc inwc inwc inwc inwc inwc
0 - 750 230 0.01 0.01 0.15
751 - 1000 330 0.05 0.05 0.2
1001 - 1250 330 0.1 0.1 0.2
1251 - 1500 330 0.1 0.1 0.25
1501 - 1750 380 658 0.15 0.09 0.14 0.08 0.3 0.17
1751 - 2000 380 658 0.19 0.11 0.18 0.1 0.3 0.17
2001 & Above 463 658 0.19 0.11 0.18 0.1 0.3 0.17
UNIT CLEARANCES TO COMBUSTIBLES
APPLICATION TOP FRONT REAR LEFT SIDE RIGHT SIDE FLUE FLOOR/
BOTTOM CLOSET ALCOVE ATTIC LINE
CONTACT
In. In. In. In. In. In.
DOWNFLOW 1 6 0 0 3 6 11YES YES YES NO
DOWNFLOW B-VENT 1 3 0 0 0 1 11YES YES YES NO
1 Special floor base or air conditioning coil required for use on combustible floor.
036-21610-001 Rev. A (0804)
6Unitary Products Group
ACCESSORIES
PROPANE
CONVERSION KIT -- 1NP0347 (32, 64 & 80 MBH)
1NP0348 (48, 92,& 104 MBH)
This accessory conversion kit may be used to convert natural
gas units for propane (LP) operation at altitudes up to 2,000
ft. Conversion should be made by qualified distributor or
dealer personnel.
COMBUSTIBLE FLOOR BASE
1CB0314 = For 14-1/4" cabinet models
1CB0317 = For 17-1/2" cabinet models
1CB0321 = For 21" cabinet models
1CB0324 = For 24-1/2" cabinet models
HIGH ALTITUDE PRESSURE SWITCH
These accessory kits may be used to convert units for high
altitude operation. Conversion must be made by qualified dis-
tributor or dealer personnel.
HIGH ALTITUDE PRESSURE SWITCH USAGE
Input (MBH) Output (MBH) 2,000 Ft. to
5,500 Ft. >5,500 To 10,000 Ft.
40 32 1PS0301 1PS0301
57 46 1PS0301 1PS0301
80 64 1PS0302 1PS0301
100 80 1PS0312 1PS0311
115 92 1PS0312 1PS0311
130 104 1PS0312 1PS0311
FIELD INSTALLED ACCESSORIES - ELECTRICAL
MODEL NO. DESCRIPTION USED WITH
2TB17700424 SUBBASE (24V) -One-stage Heat / Cool. Manual changeover.
System Switch: Cool-Off-Heat. Fan Switch: Auto-On. ALL MODELS
2TH13700424 THERMOSTAT-One-stage Heat. Deluxe 24V with heat only subbase,
does not include fan switch. NOTE: For one-stage cool or one-stage
heat/cool, must be used with subbase 2TB17700424. ALL MODELS
2ET03700324 THERMOSTAT- Hardwired, 1Heat / 1 Cool. Manual changeover, Sys-
tem Switch: Cool-Off-Heat. Fan Switch: Auto-On. ALL MODELS
2ET03701224 THERMOSTAT-PowerStealing,1Heat /1Cool. Manual changeover,
System Switch: Cool-Off-Heat. Fan Switch: Auto-On. ALL MODELS
2ET03700124 THERMOSTAT-Hardwired, 1 Heat / 1Cool. Programmable, Auto
changeove. System Switch: Cool-Off-Heat. Fan Switch: Auto-On. ALL MODELS
2ET03701024 THERMOSTAT-Power Stealing,1 Heat / 1 Cool. Programmable, Auto
changeover. System Switch:Cool-Off-Heat. Fan Switch: Auto-On. ALL MODELS
2TC03700124 TWINNING CONTROL ALL MODELS
036-21610-001 Rev. A (0804)
Unitary Products Group 7
NOTES
Subject to change without notice. Printed in U.S.A. 036-21610-001 Rev. A (0804)
Copyright © by York International Corp. 2004. All rights reserved. Supersedes: Nothing
Unitary 5005 Norman
Products York OK
Group Drive 73069
NOTES
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