TECHNICAL GUIDE. AFFINITY MODELS: PS8*DH GAS-FIRED HIGH EFFICIENCY SINGLE STAGE DOWNFLOW/HORIZONTAL FURNACES STANDARD & Low NOx DESCRIPTION WARRANTY

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1 TEHNIAL UIDE AFFINIT MODELS: PS8*DH AS-FIED HIH EFFIIEN SINLE STAE DONFLO/HOIZONTAL FUNAES STANDAD & Low NOx NATUAL AS MBH INPUT EFFIIEN ATIN ETIFIED DESIPTION These high efficiency, downflow/horizontal 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 applications. All units are factory assembled, wired and tested to assure safe dependable and economical installation and operation. These units are ategory I listed and may be common vented with another gas appliance as allowed by the National Fuel as ode ANSI Z223.1 (latest edition). AANT 20-year limited warranty on the heat exchanger. 10-year heat exchanger warranty on commercial applications. 5-year limited parts warranty. FEATUES Downflow/Horizontal models may be easily applied without any field conversion Top vent connection allows installation in narrow locations Electronic hot surface ignition with high reliability and dependability 100% shut off main gas valve for added safety High quality inducer motor for quiet operation Standard terminals for controlling humidifiers & EA's 40 VA control transformer, fuse protected Easy to connect power and control wiring Efficiency ratings of 80 AFUE attained by using tubular heat exchangers ooling relay standard for easy installation of add-on cooling Blower off-delay for cooling SEE improvement Multi-speed PS, direct-drive blower motors to match cooling requirements Adjustable fan-off settings to eliminate "cold-blow" ompact 40-in height allows installation in small space confines All models are propane convertible Low NOx models have been designed to meet specific code requirements. All models are propane convertible. ISO 9001 ertified Quality Management System Due to continuous product improvement, specifications are subject to change without notice. Visit us on the web at for the most up-to-date technical information. Additional rating information can be found at FO DISTIBUTION USE ONL - NOT TO BE USED AT POINT OF ETAIL SALE

2 B 3/4 20 D (VENT ONNETION) T STAT IIN 7/8 K.O /8 AS INLET 1-1/4 X 2-1/2 2-1/2 5-3/4 ALT. AS INLET 1-1/4 X 2-1/2 A FONT 28-1/2 30-1/8 LEFT SIDE IHT SIDE B A 1-1/ Dia /8 5 D FONT TOP IMAE 3-3/4 1-1/4 FONT BOTTOM IMAE 7-3/8 ABINET AND DUT DIMENSIONS Models FM abinet abinet Dimension Size A B D PS8A12(N,L)040DH A 14 1/2 13 1/ /8 PS8A12(N,L)060DH A 14 1/2 13 1/ /8 PS8A12(N,L)080DH A 14 1/2 13 1/ /8 PS8B16(N,L)080DH B 17 1/2 16 1/ /4 PS8B12(N,L)100DH B 17 1/2 16 1/ /4 PS816(N,L)100DH /4 18-1/2 13 1/2 PS820(N,L)100DH /4 18-1/2 13 1/2 PS816(N,L)115DH /4 18-1/2 13 1/2 PS820(N,L)115DH /4 18-1/2 13 1/2 PS8D20(N,L)130DH D 24 1/2 23 1/ /4 2 Unitary Products roup

3 ATINS & PHSIAL / ELETIAL DATA Models Nominal abinet Air Temp. Input Output Total Unit Airflow idth AFUE ise Amps MBH MBH FM In. F PS8A12(N,L)040DH / PS8A12(N,L)060DH / PS8A12(N,L)080DH / PS8B16(N,L)080DH / PS8B12(N,L)100DH / PS816(N,L)100DH PS820(N,L)100DH PS816(N,L)115DH PS820(N,L)115DH PS8D20(N,L)130DH / Max. Outlet Blower Max Min. wire Size Operation Input Models Air Temp Blower Size Over-urrent 75 ft eight MBH F Hp Amps In. Protect one way Lbs. PS8A12(N,L)040DH / x PS8A12(N,L)060DH / x PS8A12(N,L)080DH / x PS8B16(N,L)080DH / x PS8B12(N,L)100DH / x PS816(N,L)100DH / X PS820(N,L)100DH x PS816(N,L)115DH / x PS820(N,L)115DH x PS8D20(N,L)130DH x ire size and over current protection must comply with the National Electrical ode (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. Unitary Products roup 3

4 BLOE PEFOMANE FM - (ITHOUT FILTE) Airflow Data MODELS PS8A12(N,L)040DH11 PS8A12(N,L)060DH11 PS8A12(N,L)080DH11 PS8B16(N,L)080DH11 PS8B12(N,L)100DH11 PS816(N,L)100DH11 PS820(N,L)100DH11 PS816(N,L)115DH11 PS820(N,L)115DH11 PS8D20(N,L)130DH11 Speed Ext. Static Pressure (in. H2O) High Medium High Medium Low Low High Medium High Medium Low Low High Medium High Medium Low Low High Medium Low High Medium High Medium Low Low High Medium Low High Medium High Medium Low Low High Medium Low High Medium High Medium Low Low High Medium High Medium Low Low NOTES: 1. Airflow expressed in standard cubic feet per minute (FM). 2. Motor voltage at 115 V. 4 Unitary Products roup

5 HOIZONTAL SIDEALL VENTIN 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 ontrols Model S-4 or the appropriate Tjernlund PAK model. Follow all application and installation details provided by the manufacturer of the power vent. This unit may be horizontally vented using 4 (10.2 cm) diameter pipe with a minimum length of 4.5 feet (1.37 m) and a maximum length of 34.5 feet (10.82 m) with up to 4 elbows. FILTE PEFOMANE The airflow capacity data published in Blower Performance Tables above, represents blower performance ITHOUT filters. To determine the approximate blower performance of the system, apply the filter drop value for the filter being used or select an appropriate value from the Table below. NOTE: The filter pressure drop values in Blower Performance Tables 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. EOMMENDED FILTE SIZES abinet Size Top eturn (in) A (2) 14 x 20 B (2) 14 x 20 (2) 14 x 20 D (2) 14 x 20 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. FILTE PEFOMANE - PESSUE DOP INHES.. AND (KPA) Airflow ange Minimum Filter Type Opening Size Disposable ashable Fiber Pleated FM in 2 In.. In.. In & Above UNIT LEAANES TO OMBUSTIBLES Application Top Front ear Left Side ight Side Flue In. In. In. In. In. In. Floor/ Bottom loset Alcove Attic Line ontact Downflow es es es No Downflow B-Vent es es es No Horizontal ombustible No es es es 2 Horizontal B-Vent ombustible No es es es 2 1 Special floor base or air conditioning coil required for use on combustible floor. 2 Line contact only permitted between lines formed by the intersection of the rear panel and side panel (top in horizontal position) of the furnacejacket and building joists, studs or framing. Unitary Products roup 5

6 For additional connection diagrams for all UP equipment refer to Low Voltage System iring document available online at in the Product atalog Section. A2 1 Stage A/ w/single Stage Furnace, 2 Stage ooling eady - PS8/9, (F,L)*8/9S, X80-U THEMOSTAT THEMOSTAT THEMOSTAT *BN *BP *PP *BN *DP *DN Volt ommon First Stage ool 24-Volt Hot (ool XFM) 24-Volt Hot (Heat XFM) First Stage Heat 24-Volt ommon First Stage ool 24-Volt Hot (ool XFM) H 24-Volt Hot (Heat XFM) First Stage Heat PS-2 STAE OOLIN EAD FUNAE ONTOL Optional w/batteries 24-Volt ommon First Stage ool 24-Volt Hot (ool XFM) H 24-Volt Hot (Heat XFM) First Stage Heat HM1 Humidistat /2 Single/Second Stage ool 1 First Stage ool 24-Volt Hot Single Stage Heat SINLE STAE AI ONDITIONIN 24-Volt ommon Single Stage ool 24V HUMIDIFIE Thermostat Installer Setup Number 1 - System Type - must be set to 0 Thermostat Installer Setup Number 15 - ompressor Protection - must be set to 5 Selection of AS/ELE switch on thermostat not necessary HP2 Single Stage H/P - E*D, E*BD, EHS, HPX13 - w/single Stage Furnace, 2 Stage ooling eady - PS8/9, (F,L)*8/9S, X80-U / Series Demand ontrol THEMOSTAT THEMOSTAT THEMOSTAT SINLE STAE *DN22U00124 *BP21H50124 *PP32H70124 HEAT PUMP *BN21H00124 *DP21H40124 *DN21H00124 N/A N/A 24-Volt ommon First Stage Heat/ool 24-Volt Hot 1 Second Stage Heat E Emergency Heat O eversing Valve Energized in ool L Malfunction Light PS-2 STAE OOLIN EAD FUNAE ONTOL 24-Volt ommon /2 Single/Second Stage ool 24-Volt Hot 1 First Stage ool Single Stage Heat 24-Volt ommon Single Stage Heat/ool 24-Volt Hot 1/66 First Stage Heat Out First Stage Heat O eversing Valve Energized in ool X/L Malfunction Light Step 1 of Thermostat User onfiguration Menu must be set to Heat Pump 1 Step 9 of Thermostat User onfiguration Menu must be set to Pump OFF Thermostat hart 6 Unitary Products roup

7 APPLIN FILTE PESSUE DOP TO DETEMINE SSTEM AIFLO 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 an ESP value in the airflow table (i.e. 0.20, 0.60, 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, 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 60,000 Btuh furnace 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: 1. Obtain the airflow values at 0.50" & 0.60" ESP. 0.50": 1240 FM 0.60": 1170 FM 2. Subtract the 0.50" from the 0.60" to obtain airflow difference = -70 FM 3. Subtract the total system static from 0.50" and divide this difference by the difference in ESP values in the table, 0.60" ", to obtain a percentage. ( ) / ( ) = Multiply percentage by airflow difference to obtain airflow reduction. (0.8)x(-70) = Subtract airflow reduction value to 0.50" to obtain actual 0.58" ESP = 1184 AESSOIES POPANE (LP) ONVESION KIT - 1NP0347 (All Models) This accessory conversion kit may be used to convert natural gas units for propane (LP) operation at altitudes up to 8,000 ft. onversion should be made by qualified distributor or dealer personnel. OMBUSTIBLE FLOO BASE - 1B0314 = For 14-1/4" cabinet models 1B0317 = For 17-1/2" cabinet models 1B0321 = For 21" cabinet models 1B0324 = For 24-1/2" cabinet models BOTTOM ETUN FILTE - 1B0114 or 1B For 14-1/2 cabinets 1B0117 or 1B For 17-1/2 cabinets 1B0121 or 1B For 21 cabinets 1B0124 or 1B For 24-1/2 cabinets HIH ALTITUDE PESSUE SITHES - For installation where the altitude is less than 8,000 feet it is not required that the pressure switch be changed. For altitudes above 8,000 feet see kits below. onversion must be made by qualified distributor or dealer personnel. 1PS , 060, 080MBH 1PS , 115, 130 MBH OOM THEMOSTATS - A wide selection of compatible thermosets are available to provide optimum performance and features for any installation. 1H/1, manual change-over electronic non-programmable thermostat. 1H/1, auto/manual changeover, electronic programmable, deluxe 7-day, thermostat. 1H/1, auto/manual changeover, electronic programmable. * For the most current accessory information, refer to the price book or consult factory. Unitary Products roup 7

8 Subject to change without notice. Printed in U.S.A. opyright by ork International orp All rights reserved. Supersedes: T-B-0706 Unitary 5005 Norman Products ork OK roup Drive 73069