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Related Manuals for ICP PAB240
Summary of Contents for ICP PAB240
- Page 1 • Safety Labeling & Rules • Installation Requirements • Location / Clearances ',× • Air Distribution • Wiring • Ductwork Connections • Economizer Accessory • Start-Up • Maintenance • Hoisting / Rigging MODELS PAB240 RAMA20 513 01 14 01 01 7/1/97...
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Page 2: Table Of Contents
Table of Contents 1. Safety Labeling Signal Words ......Danger, Warning and Caution ............... Signal Words ............... Signal Words in Manuals ..........Product Labeling ........... Danger Label ............Warning Label ............. Caution Label ............2. Unit Dimensions ......... 3. Safe Installation Requirements ...... - Page 3 Theory of Operation ..........Sequence of Operation ..........9. Start-up Procedure ........Blower and Phasing Check ........... Cooling Checks ............. Operation Instructions Maintenance ....Turning Off the Unit ..........Heating ............Cooling ............Starting the Unit After Shutdown ........Heating ............
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Page 4: Safety Labeling And Signal Words
I Single Package Air Conditioners Installation Instructions 1. Safety Labeling and Signal Words Danger, Warning and Caution Danger Label White lettering on a black background except the word DANGER which is white with a red background. The signal words DANGER, WARNING and CAUTION are used to identify levels of hazard seriousness. -
Page 5: Unit Dimensions
_ Installation Instructions Single Package Air Conditioners 2. Unit Dimensions (Dimensions from base level) All dimensions in inches. Line Voltage 2 1/2" UNIT SIZE 20TON 4-1/2 68-1/8 T 41-3/16 5-1/8 U.,TS,Z.t_ 20 TON 21-9/16 21-9/16 41-3/16... -
Page 6: Safe Installation Requirements
Installation Instructions I Single Package Air Conditioners 3. Safe Installation Requirements Installation MUST conform to the most current version of the following standards or a superseding Installation or repairs made unqualified standard. persons can result in hazards to you and others. Installation must conform with local building... -
Page 7: Location And Set-Up
_ Installation Instructions Single Package Air Conditioners 4. Location And Set-up Clearances The unit is designed for outdoor installation ONLY. The unit may be installed on a level concrete mounting base (or other adequate platform) at ground level or on a flat rooftop with an adequate platform. -
Page 8: Minimum Clearances To Combustible And Non-Combustible Construction (Horizontal Flow)
I Single Package Air Conditioners Installation Instructions Minimum Clearances to non-Combustible Minimum Clearances to non-Combustible Construction (Horizontal Flow) Construction (Downflow) Duct Connection Side (no Economizer) .. 30" (762mm) Duct Connection Side (no Economizer) .. 30" (762mm) Duct Connection Side (with Economizer) 48"(1220mm) Duct Connection Side (with Economizer) . -
Page 9: Installation
_ Installation Instructions Single Package Air Conditioners Installation See Hoisting section below for hoisting instructions. NOTE: Cardboard covers on horizontal supply and CAUTION return duct openings MUST be removed before starting unit. Unit will NOT operate properly unless it is installed level front to rear and side to side. - Page 10 I Single Package Air Conditioners Installation Instructions from trap MUST be at least 1" (25.4mm) below top of outlet from unit. Install the trap as near to the unit as possible for proper drainage. A3/4 " (19.1mm) drain line MUST be installed if required by local codes or if location of unit requires it.
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Page 11: Electrical Wiring
Single Package Air Conditioners I Installation Instructions 5. Electrical Wiring Figure 6 J Control Box Electrical shock hazard. Anti-Cycle Shut off electric power at unit disconnect or ser- Anti-Cycle Timer 1 vice panel before making any electrical connec- tions. Timer 2 Unit MUST be grounded to electrical service pan- Failure to follow this warning can result in prop- erty damage, personal injury, and/or death. -
Page 12: Field Installed Equipment
Installation Instructions Single Package Air Conditioners Field Installed Equipment Figure 7 J Wiring Thermostat to Unit All wiring done in the field between the unit and other devices, or between separate devices that are field installed and located, MUST not exceed the temperature limitations for type T wire and MUST be installed according to the manufacturer's instructions for the devices. -
Page 13: Air Distribution System
Single Package Air Conditioners _ Installation Instructions 6. Air Distribution System Ductwork All air MUST pass through a filter before entering the unit. Electronic air cleaner, optional filter racks, or other accessible filter arrangements MUST be installed in the NOTE: The total heat loss from the structure as expressed return air ductwork. - Page 14 I Single Package Air Conditioners Installation Instructions Metric Conversions: Cubic Feet per Minute (CFM) to Liters per Second (L/s); Figure 8 Inches of Water Column (In. W.C.) to Pascals (Pa) ' Lis ' US In. W.C2 In. W.C2 In. W.C2 In.W.CJ In.
- Page 15 _ Installation Instructions Single Package Air Conditioners Figure 9 Circulating 20 Ton Blower Performance Data 9500 9O00 1.75 8500 8O00 1.25 7500 7000 o.75 6500 6000 0.25 5500 5000 4500 6500 7000 7500 8000 8500 ESP Vs CFM AIRFLOW (SCFM) DRY COIL WITH FILTER _/Jsf;\T_:_ V_ C_k NOTES: 1) Maximum motor Watts is 10,100 Watts.
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Page 16: Adjustable Belt Drive Blower
I Single Package Air Conditioners Installation Instructions 7. Adjustable Belt Drive Blower Loosen the four motor mount bolts. Turn the motor adjustment bolt counterclockwise Personal injury hazard, until the belt is slack enough to come off easily (see Figure 10). Use extreme care during the following proce- Remove the belt. - Page 17 _ Installation Instructions Single Package Air Conditioners To set the blower for a desired CFM (L/s), first turn the Figure 14 I Checking Pulley Alignment outer half of the adjustable pulley clockwise until it meets the inner half of the pulley. 1/4"...
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Page 18: Economizer Accessory
I Single Package Air Conditioners Installation Instructions 8. Economizer Accessory Static Additions The purpose of an economizer is to: Static numbers from the following table must be added to Provide cool outside air to the conditioned space the unit's total static if a horizontal economizer, vertical during the cooling cycle to minimize the use of the economizer, or manual air damper is used. -
Page 19: Sequence Of Operation
_ Installation Instructions Single Package Air Conditioners The mixed air sensor at the blower inlet modulates Sequence of Operation the economizer dampers to prevent the mixed air from falling below 56°F (13.3°C). The mixed air NOTE: For correct low voltage wiring when economizer sensor modulates the outdoor air dampers between option is being used, see Low Voltage Wiring... -
Page 20: Start-Up Procedure
I Single Package Air Conditioners Installation Instructions 9. Start-up Procedure Turn ON electric power. Nothing should start running. If any unusual arcing, odors noises encountered, shut OFF electric power immediately Electrical shock, fire and/or explosion hazard. and check for wiring errors. Use extreme care during all of the following NOTE: The circulation blower motor and compressor(s) -
Page 21: Cooling Checks
_ Installation Instructions Single Package Air Conditioners c. Circulation air blower - ON with correct rotation Cooling Checks and adequate airflow from ductwork. Shut OFF electric power at unit disconnect. The compressors have a five minute anti-cycle delay that is activated whenever the compressors turn off. -
Page 22: Operation And Maintenance Instructions
Single Package Air Conditioners Installation Instructions 10. Operation And Maintenance Instructions NOTE: An optional low ambient kit is available that allows the unit to operate at temperatures down to 0°F (-18°C). Electrical shock hazard. Turn ON electric power. Set thermostat to desired temperature and set... -
Page 23: Monthly Maintenance And Inspection Checks
I InstallationInstructions Single Package Air Conditioners Replace filter access panel. Monthly Maintenance and Inspection Checks Cooling Season Checks (Monthly) Condenser Coil Air Filters (Factory Installed) Keep the condenser inlet and outlet area clean and free of leaves, grass clippings and other debris. Grass should be CAUTION kept short in front of the condenser inlet. -
Page 24: Rigging Instructions
Installation Instructions I Single Package Air Conditioners 11. Rigging Instructions Rigging Instructions Figure 17 iNSTRUCTiONS DE SQULEVAGE SI CETAVERTtSSEMENT N'EST PAS RESPECTE, AVERTJ$SEMENT ,L PEUT EN RESULTER DES DEG,_TS MATERIELS DES DOMMAGES CORPORELS OU LA MORT. = TOUSLES PANNEAUX DOIVENT ETRE EN PL,_CE AU MOMENT DU MONTCHARGE ET SOULEVAGE.