Heatcraft Refrigeration Products REMOTE AIR-COOLEDCONDENSER 2500018 User's Manual
Contents
1. Figure 6 Leg assembly horizontal airflow models 024 133 5 26 1 Remove bolts securing condenser to skid 2 Remove item 1 and attach to rear of bottom leg item A to complete mounting base Item 2 is not required in the horizontal discharge application and may be discarded 3 Condenser can be hoisted by the 1 1 2 holes in leg assemblies Typical Piping Arrangements Figure 7 illustrates a typical piping arrangement with a remote condenser located at a higher elevation common when the condenser is on a roof and the compressor and receiver are on grade level or in a basement equipment room Figure 7 CHECK VALVE PREFERRED DISCHARGE LINE RELIEF VALVE COMPRESSOR RECEIVER In this case the design of the discharge line is very critical If properly sized for full load conditions the gas velocity might be too low at reduced loads to carry oil through the discharge line and condenser coil Reducing the discharge line size would increase the gas velocity sufficiently at reduced load conditions however when operating at full load the line would be greatly undersized and create an excessive refrigerant pressure drop This condition can be overcome in one of two following ways 1 The discharge line may be properly sized for the desired pressure drop at full load conditions and an oil separator installed at the bottom of the trap in the discharge line from the compressor 2 A double riser discha2. are available to meet specific job requirements and engineer owner preference Fan Cycling Variable Speed and Flooded Head Pressure Control FHP Fan Cycling Method This is an automatic winter control method and will maintain a condensing pressure within reasonable limits by cycling fan motors in response to outside air temperature entering the condensing coil When voltage other than 230 208 is supplied to the unit a transformer will be provided for field installation Electrical protection must be provided for this transformer Fan Cycling Operation and Installation The fan cycling control package consists of a weather tight enclosure with motor starting contactor s as required and thermostat s The contactor coil is 24 volts 115 volts or 240 volts as ordered The thermostats and contactors are wired as shown on Diagrams 3 and 5 Factory installed packages are mounted on the unit and have all motor connections completed Field wiring consists of connecting this panel to a power supply and fused disconnect s together with the control circuit to the contactor coils Fan cycling is suitable for outside temperatures above those shown in Table 4 The thermostat should be field set to shut off the fan when the condensing temperature is reduced to approximately 90 F Where operation at ambients below the range shown on Table 4 were required FHP must be added Table 4 Minimum Ambient for Fan Cycling Design T D 30 F
3. it may be necessary to reverse two of the three power leads to the unit NOTE The manifold assembly is not designed to support field piping Any damages to the condenser due to excessive weight pressure or vibration will not be covered by standard warranty Operation Winter Operation Head Pressure Control The capacity of an air cooled condenser varies with the difference between the entering air dry bulb temperature and the condensing temperature of the refrigerant Because air temperature in some regions varies as much as 100 degrees from summer to winter some means must be employed to keep the condensing temperature sufficiently high to ensure proper operation of the refrigerant expansion valve during low ambient operation and also allow sufficient Capacity so that excessively high condensing temperatures do not result during high ambient conditions The low limit of the head pressure is dependent upon the required pressure drop across the thermostatic expansion valve For normal air conditioning applications head pressure should be maintained above a condensing temperature corresponding to 90 F This corresponds to a normal lower limit of about 60 F ambient air Because air conditioning is not normally required at these lower ambient temperatures condenser head pressure control may not always be necessary However for those applications below 60 F ambient air temperature two methods of condenser head pressure control
4. needs to be secured in its final location Holes are provided in the base runner for this purpose W Total width of the condenser Remote Air Cooled Condenser Installation and Operations Manual August 2007 3 HEATCRAFT Installation and Operations Manual Vertical Condenser Vertical airflow units should be located no closer than the width of the unit from a wall or other obstruction If two or more units are to be positioned in the same area a similar distance should be maintained between adjacent units Sufficient free area should be left around and below unit to avoid air restriction to coil Leg Assembly for Vertical Airflow Installation Models 008 016 1 3 Figure 3 Leg assembly vertical airflow models 008 016 1 3 1 Assemble the unit s two legs Figure 3 item 2 using three 1 4 20 x 3 4 long bolts per leg Captive nuts are provided on unit for this assembly 2 Four gussets Figure 3 item 3 are provided for leg support 3 Assemble the gusset in each corner with 1 4 20 x 3 4 long bolts and 1 4 nuts 4 Discard the four mounting angles Figure 5 item 1 Leg Assembly for Vertical Airflow Installation Models 024 133 5 26 Figure 4 Leg assembly vertical airflow models 024 133 5 26 7 8 Dia Mounting Holes Install 1 4 Bolts Here 1 Remove fasteners securing condenser to skid 2 Remove leg extensions Figure 4 item 1 by removing four 5 16 x 3 1 2 bolts 3 In
5. 2 2 2400 1 18 1 4 2 7 8 5 8 9 POG Tes eS S Ss ES ee SS T eee ana 50 70 70 NN ao 049 010 10 70 60 Led TIE IE Jp o0 m p e 070 014 14 90 80 13700 2 26 1 2 78 L vu gre Js qp 9m jn Sue 7 q 20 E L 75 Motor voltage 208 230 1 60 1075 RPM Motor voltage 208 230 460 3 60 1 140 RPM NOTE Model 008 010 1 2 available in 115 1 60 voltage model 024 133 5 26 available in 575 3 60 voltage Diagram 6 Dimensions for Models 008 016 1 3 7 16 Diameter Hole 9 16 gs Way D 37 1 2 13 32 x 1 2 Slots Unit legs are removable from units installed for horiziontal air 12 Part 2500018 Remote Air Cooled Condenser HEATCRAFT Diagram 7 Dimensions for Models 024 133 5 26 with Vertical Air Flow Optional External Electrical Box 211 2 _ 7 8 Diameter Holes LN gt g 9 B peo Diagram 8 Dimensions for Models 024 133 5 26 with Horizontal Air Flow 2 1 2 7 8 Diameter Holes Electrical junction box is located on header end of units unless optional FAN CYCLING is ordered on 230 and 460 volt In which case three phase units electrical box is located on unit end opposite header end Remote Air Cooled Condenser Installation and Operations Manual August 2007 13 HEATCRAFT Installation and Operations Manual Replacement Parts by C nter LINK Commercial Refrigeration Parts When writing to the factory for servi
6. 25 F 20 F Se Table 5 lists approximate settings for several system T D s These settings are approximate as they do not take into account variations in load Model Table 5 Fan Cycling Thermostat Settings Thermostat Settings Model Design T D F T1 T2 eT ss 3 fan units NOTE Fans closest to the headers should not be cycled on standard temperature or pressure controls Dramatic temperature and pressure changes at the headers as a result of fan action can result in possible tube failure Fan motors are designed for continuous duty operation Fan cycling controls should be adjusted to maintain a minimum of five 5 minutes on and five 5 minutes off Short cycling of fans may result in a premature failure of motor and or fan blade Variable Speed Condenser head pressure control is provided by varying the air flow through the condenser by changing the RPM of the condenser fan This control package is offered in combination with ambient fan cycling The fan motor next to the header end of the condenser is the variable speed fan The remainder Part 2500018 Remote Air Cooled Condenser HEATCRAFT of the fans are constant speed and are cycled separately using ambient sensing thermostats Flooded Head Pressure Control Valve FHP The FHP system of head pressure control is a completely automatic control that maintains a preset condenser pressure without need of seasonal adjustment The control maintains
7. HEATCRAFT Installation and Operations Worldwide Refrigeration Manual Bulletin H IM RACC August 2007 Part Number 2500018 E Remote Air Cooled Condenser Table of Contents Start WB A A E E CIRUR 8 Operation Winter Operation Head Pressure Control Ta 2 Fan Cycling Method Rigging and Moving Units Fan Cycling Operation and Installation Installation Requirements Variable Speed Unit Location Flooded Head Pressure Control Valve 9 Space and Location REquireMent ccccccssssccssrcccesssscees 3 Operation Walls or Obstructions Piping Units in Pits Maintenance Multiple Units Cleaning Instructions Decorative Fences System Warranty eee e eee eee eee eee eee eee eee ee ee eee e eese esee esee ee eees 11 Sound Vibration In Warranty Return Materials Procedure Vertical and Horizontal Condenser Assembly 4 Condenser Specifications eere eere eere 12 13 Typical Piping Arrangements eere eerte nennen 5 General Fan Layout Installation Refrigerant Piping Dimensions Electrical Wiring t 6 Replacement Parts by InterLink ssosesssssssosesssesssoseesse 14 HEATCRAFT Installation and Operations Manual Inspection Shipment should be checked against the bill of lading to verify that all items listed have been received All parts should be carefully inspected to determine if any da
8. Ser ere 105 021 21 00 73 172 236 45 163 236 300 155 245 310 345 CINE 825 TE SF E OS E mer S e PES T I 25 8 Suo dE dex E S SES 133 026 26 00 110 228 318 55 218 319 400 200 328 40 1 473 For R 134a multiply charge by 1 01 For R 404A multiply charge by 0 91 For R 410A multiply charge by 0 93 For alternate T D s multiply by flooded charge factors in Table 6 10 Part 2500018 Remote Air Cooled Condenser HEATCRAFT System Warranty This equipment is designed to operate properly and produce rated capacity when installed in accordance with accepted industry standards Failure to meet the following conditions may result in voiding of the system warranty 1 System piping must be installed following industry standards for good piping practices 2 Inert gas must be charged into piping during welding 3 System must be thoroughly leak checked and evacuated before initial charging High vacuum gauge capable of reading microns is mandatory Dial indicating pressure gauges are not acceptable 4 All controls and safety switch circuits properly connected per wiring diagram 5 Factory installed wiring must not be changed without written factory approval 6 Power supply to the system must meet the following conditions a Voltage for 208 230 motors not less than 185 volts or more than 253 volts For 460 motor not less than 414 or greater than 506
9. and liquid drain line sizes for remote condenser selections 6 Electrical Wiring The electrical installation should be in accordance with National Electrical Code local codes and regulations Proper overcurrent protection should be provided for the fan motors Wiring diagrams shown are only basic and do not show fuses disconnect switches etc which must be provided in the field All standard motors have internal inherent overload protectors Contactors can be used instead of starters requiring thermal protectors eliminating the problem of furnishing the proper heating elements All air cooled condensers are furnished with either single phase or three phase fan motors identified by the unit data plate Three phase motors must be connected to three phase power voltage to agree with motor and unit data plate The motors must be checked for proper rotation Be sure to check that motor voltage and control connection agree with electric services furnished The motors are wired into a common junction box Where fan cycling is furnished and factory installed the motors are completely wired through the control and to the contactors Electrical leads from each motor terminate at the unit junction box Field connections must be made from these leads through a contactor fuse and disconnect in accordance with local state and national codes Part 2500018 Remote Air Cooled Condenser HEATCRAFT Diagram 1 Typical Wiring Diag
10. b All other voltages must not exceed 10 percent of nameplate ratings C Phase imbalance not to exceed 2 percent In Warranty Return Material Procedure Material may not be returned except by permission of authorized factory service personnel of Heatcraft Refrigeration Products LLC in Stone Mountain Georgia USA A Return Goods tag will be sent to be included with the returned material Enter the information as called for on the tag in order to expedite handling at our factories and prompt issuance of credits All parts shall be returned to the factory designated on the Return Goods tag transportation charges prepaid The return of a part does not constitute an order for replacement Therefore a purchase order must be entered through your nearest Heatcraft Refrigeration Products representative The order should include part number model number and serial number of the unit Remote Air Cooled Condenser Installation and Operations Manual August 2007 11 HEATCRAFT Installation and Operations Manual General Fan Layouts Figure 11 Model 008 040 1 8 Figure 12 Model 049 080 10 16 Figure 13 Model 105 133 21 26 O ie eee Condenser Specifications Table 9 Specifications Model Dimensions No DIF Motor Data O Net Wt CFM wo ODS Fans in Ibs WSS DVT FCB A B HP FLA HP FLA Inlet Outlet 008 001 1 2400 1 18 1 4 2 3 8 3 8 9 L0 T E ee T1 T JL WA 2 T ee ee gm 010 00
11. ce or replacement parts refer to the model number and serial number of the unit as stamped on the serial plate attached to the unit If replacement parts are required mention the date of installation of unit and date of failure along with an explanation of the malfunctions and a description of the replacement parts required Table 10 Replacement Parts List Fan Fan Blades Guards Quantity 230 1 60 230 460 3 60 2537974 2291820 2318491 BEP UNE ee TT 2537974 2291820 2318491 EP T eo ETE 23111026 23111026 23111026 23111026 23111026 23111026 23111026 23111026 23111026 14 Part 2500018 Remote Air Cooled Condenser Installation Checklist Condenser Start Up Date Model Number Serial Number Electrical Voltage Amperage Installer Name amp Address Please retain this information with the condenser Remote Air Cooled Condenser Installation and Operations Manual August 2007 Since product improvement is a continuing effort we reserve the right to make changes in specifications without notice The name behind the brands you trust HEATCRAFT Commercial Refrigeration Parts THE COLD STANDARD uge cei A fh TENE e neg H IM RACC 0807 version 000 Heatcraft Refrigeration Products LLC 2175 West Park Place Blvd Stone Mountain GA 30087 P 770 465 5600 F 770 465 5990 www heatcraftrpd com
12. ct with them WARNING This equipment may contain a substance that harms public health and the environment by destroying ozone in the upper atmosphere Venting of certain refrigerants to the atmosphere may be illegal in your location Refrigerant recovery devices should be used when installing or servicing this product Consult your local codes for requirements in your location WARNING Refrigerant can be harmful if it is inhaled Refrigerant must be used and recovered responsibly Failure to follow this warning may result in personal injury or death Unit Location Units are designed for outdoor application and may be mounted on a roof or concrete slab ground level installation Concrete slabs used for unit mounting should be installed level and be properly supported to prevent settling A one piece concrete slab with footings extending below the frost line is recommended Roof mounted units should be installed level on steel channels or an l beam frame to support the unit above the roof Use of vibration pads or isolators is recommended The roof must be strong enough to support the weight of the unit Part 2500018 Remote Air Cooled Condenser HEATCRAFT The condenser should be located no closer than four feet from any wall or other obstruction to provide sufficient clearance for air entrance Do not attach ductwork to the coil inlet or fan outlet Care should be taken to avoid air recirculation conditions that ca
13. er causing high head pressure at normal ambient temperatures Figure 10 Discharge Line FHP Valve Bu Check Vaive Relief Vaive Liquid Line to Subcooler 1f Furnished and TXV The refrigerant charge required will often be about two times the normal charge for cold weather operation The amount of refrigerant that must be added to a system for winter or cold weather operation is determined by Tables 6 7 and 8 see page 10 Piping As on all systems refrigerant migration must be prevented when using FHP If the receiver is in a warm location a check valve should be placed in the line between the FHP valve and the receiver Good piping practice suggests a trap in the compressor discharge line and an inverted trap at the condenser outlet Multiple valve applications must have valves piped in parallel Maintenance Air cooled condensers require minimum maintenance The unit coil will require a periodic cleaning and this can be accomplished by a brush vacuum cleaner pressurized irstream or a commercially available coil cleaning foam All of the condenser fan motors have sealed ball bearings The only acceptable service to these bearings is replacement Cleaning Instructions Heatcraft recommends that the finned surface of this unit be cleaned approximately every six months more frequent cleaning may be required if extreme conditions cause clogging or fouling of air passages through the finned surface Calgon Co
14. ge air to the top of the pit This is a minimum requirement Multiple Units AIR FLOW W MIN For units placed side by side the minimum distance between units is the width of the largest unit If units are placed end to end the minimum distance between units is four feet AIR FLOW 4 as Mw un Ta PER EU AN Un l A Decorative Fences AIR FLOW Fences must have 50 percent free area with a one foot undercut a minimum clearance equal to the width of the unit and must not exceed the height of the unit If these requirements are not met unit must be installed as indicated for units in pits Sound and Vibration Units should be installed away from occupied spaces to reduce the transmission of sound and vibration to occupied spaces Units should be mounted over corridors utility areas rest rooms and other auxiliary areas where high levels of sound are not an important factor Sound and structural consultants should be retained for recommendations The refrigerant piping should be flexible enough to prevent the transmission of noise and vibration from the unit into the building If the refrigerant lines are to be suspended from the structure of the building isolation hangers should be used to prevent the transmission of vibration Where piping passes through a wall it is advisable to pack fiberglass and sealing compound around the lines to minimize vibration and retain flexibility in the lines The unit
15. head pressure by backing liquid into the leaving side of the condenser decreasing the effective condenser surface and therefore maintaining a constant head pressure upon a drop in ambient temperature Several styles of flooding valves or combinations of valves are available Contact the valve manufacturer for specific recommendations Operation During normal ambient operation the valve allows liquid refrigerant to flow through C port see Figure 9 and R port to the liquid receiver Figure 9 Discharge Line a e FHP Valve a B c RE ML iJ Receiver Check Vaive Relief Vaive Liquid Line to Subcooler 1f Furnished and TXV If receiver is located in a warm ambient a check valve in this location may be required to prevent receiver gas from migrating into the condenser during the off cycle As the pressure drops with a drop in ambient temperature the valve opens to allow high pressure discharge gas to enter B port pass through the valve and pressurize the receiver to provide adequate liquid flow to the expansion valve see Figure 10 This action raises the pressure on the discharge side of the condenser reducing flow and flooding the leaving side of the condenser until the pressure rises to a proper level to close B port The liquid receiver size is important in this type of control and must be large enough to hold the total system charge If the receiver is not large enough the liquid will be stored in the condens
16. mage was incurred in shipment Any shortage and or claims for damage should be immediately reported to the delivering carrier followed by filing a claim for shortages and or damages When uncrating care should be taken to prevent damage Heavy equipment should be left on its shipping base until it has been moved to the final location Rigging and Moving Units The exact method of handling and setting the unit depends on available equipment size of unit final location and other variables It is the judgement of the riggers and movers to determine the specific method of handling each unit All units are shipped on heavy skids and enclosed in open crating Generally it is advisable to bring the unit as close to its final location as possible before removing crating Units are provided with lifting ears near the four corners Under no circumstances should the coil headers or return bends be used for moving these units NOTE FOR ALL MODELS Spreader bars must be used contractor supplied Safety slings should be used when making lift Figure 1 Suggested Rigging 2 O 2007 Heatcraft Refrigeration Products LLC Figure 2 Leg Mounting Installation Requirements NOTE Installation and maintenance to be performed only by qualified personnel who are familiar with local codes and regulations and are experienced with this type of equipment CAUTION Sharp edges and coil surfaces are a potential injury hazard Avoid conta
17. n be caused by sight screening walls etc Keep unit fan discharge away from any building air intakes Space and Location Requirements The most important aspect in selecting a location for air cooled equipment is a supply of ambient air to the condenser and the adequate removal of heated air from the condenser area If the requirement for adequate air circulation is not adhered to higher head pressures will result creating poor operation and possible failure of equipment Units must not be located in the vicinity of steam hot air or fume exhausts Walls or Obstructions AIR FLOW The unit should be located so that air may circulate freely and not be recirculated For proper air flow and access all sides of the unit should be a minimum of the width of the unit away from any wall or obstruction It is preferable for this distance be increased whenever possible Care should be taken to see that ample room is left for maintenance through access doors and panels Overhead obstructions are not permitted When the unit is in an area where it is enclosed by three walls the unit must be installed as indicated for units in a pit Units In Pits STACK BY OTHERS AIR IF SUPPLIED FLOW rv 3 The top of the unit should be level with the top of the pit and side distance increased to two times the width of the unit If the top of the unit is not level with the top of pit discharge cones or stacks must be used to raise dischar
18. nual Table 1 Tons of Refrigeration Discharge Line Size Type L R 22 40 40 0 75 0 80 0 85 1 40 1 50 1 60 3 70 4 00 4 20 7 50 8 00 8 50 13 10 14 00 14 80 20 70 22 00 23 40 42 80 45 70 48 50 75 40 80 40 85 40 120 20 128 20 136 20 178 40 190 30 202 10 0 61 1 14 2 98 6 01 10 46 16 49 34 08 59 95 95 48 141 46 Source ASHRAE Refrigeration Handbook 2 8 8 1 Line sizes based on pressure drop equivalent to 1 F per 100 equivalent feet Discharge Line R 404A R 507 Copper OD Sat Suction Temp F Sat Suction Temp F R 410A Sat Suction Temp F 40 U 40 13 17 22 88 36 14 74 57 131 20 208 98 309 69 40 0 79 1 48 3 87 7 81 13 58 21 41 44 26 77 85 124 00 183 71 0 70 1 31 3 44 12 10 19 07 39 43 69 36 110 47 163 67 2 Valuesin table are based on 105 F condensing temperature Multiply table capacities by the factors in Table 2 for other condensing temperatures 3 If subcooling is substantial or the line is short a smaller line size may be used Applications with very little subcooling or very long lines may require larger sizes Table 2 Condensing Temperature Correction Factor Discharge Line R 404A 20M NE a 90 088 092 089 ie aes aey ECC Table 3 Tons of Refrigeration Drain Temp Line Size Type L Drain Line Velocity 100 FPM Refrigerant Sud R22 779 R 410A Tables 1 2 and 3 provide recommendations for discharge
19. ram for Models 1 3 Diagram 2 Typical Wiring Diagram for 208 230 1 60 208 230V 1 phase 60 Hz LY FIELD WIRING UE COPPER CONDUCTORS ONLY TERMINAL BOARD JUNCTION BOX Diagram 3 Typical Wiring Diagram for 208 230 1 60 with Fan Cycling 208 230V 1phase 60Hz T1 T2 Models 105 133 21 26 Models 049 080 10 16 Models 008 040 1 8 TERMINAL TERM Diagram 4 Typical Wiring Diagram for 208 230 460 3 60 208 230V 3 phase 60Hz 460V 3 phase 60Hz TERMINAL BOARD FCC FAN MOTORS Models 105 133 21 26 Models 049 080 10 16 FAN MOTORS Models 105 133 21 26 Models 049 080 10 16 Models 008 040 1 8 Diagram 5 Typical Wiring Diagram for 208 230 460 3 60 with Fan Cycling 208 230V 3 phase 60Hz 460V 3 phase 60Hz TERMINAL BOARD CONTROL CIRCUIT May be 24 volt 120 volt or 230 volt as specified WARNING There may be more than one source of electrical current in this unit Do not service before disconnecting all power supplies THERMOSTATS OR PRESSURE CONTROLS Models 105 133 21 26 Models 049 080 10 16 Remote Air Cooled Condenser Installation and Operations Manual August 2007 7 HEATCRAFT Installation and Operations Manual Start Up Check for proper fan rotation Air is drawn through the coil on all units Be sure the fans turn freely Rotation of the motors and blades should be in a clockwise direction looking at the unit from the blade side On three phase units
20. rge line may be used as shown in Figure 8 Line A should be sized to carry the oil at minimum load conditions and Line B should be sized so that at full load conditions both lines would have sufficient flow velocity to carry the oil to the condenser CHECK VALVE RIDE PREFERRED DISCHARGE LINE 8 DISCHARGE LINE A LIQUID RELIEF i INE VALVE COMPRESSOR RECEIVER For more complete information please refer to the ASHRAE Handbook on Systems NOTES 1 All oil traps are to be as short in radius as possible Common practice is to fabricate the trap using three 90 degree ells Pressurerelief valves are recommended at the condenser to protect the coil Adrainline check valve is recommended for applications where the condenser may be at a lower temperature than the receiver See Tables 1 2 and 3 for discharge and liquid drain line size recommendations for remote condenser selections Installation Refrigerant Piping Install piping according to standard accepted refrigeration practice The following recommendations should be adhered to 1 Useonly refrigeration grade copper tubing 2 Soft solder joints are not acceptable 3 Put dry nitrogen through lines while brazing 4 Donotleave dehydrated piping or components open to the atmosphere any longer than is necessary Remote Air Cooled Condenser Installation and Operations Manual August 2007 5 HEATCRAFT Installation and Operations Ma
21. rporation s CalClean 41352 or equal should be acceptable for cleaning this unit CalClean should be applied liberally to entering air and leaving air surfaces of the finned area in accordance with the label directions CAUTION Under no circumstances should this unit be cleaned with an acid based cleaner Remote Air Cooled Condenser Installation and Operations Manual August 2007 9 HEATCRAFT Installation and Operations Manual Table 6 FHP Charge Factor T D 25 and 30 F VECES Additional Charge Factor Ambient 25 T D F 30 T D F 0 85 E 090 Table 7 Refrigerant Charge R 22 Ibs Additional Lbs R 22 Charge for FHP at 20 T D F Model Standard Minimum Ambient R 22 Charge at Condenser WSS FCB 50 F 40 F 20 F 0 F 20 F 008 001 I 10 5 11 5 12 5 13 0 13 5 21 23 26 008 024 60 65 75 75 80 040 NE NNNM ies is as so KE CM 049 10 0 061 070 080 oo 100 9S 024 coi Gcr ENCCENN NEC NECNON TT T 070 014 080 016 For R 134a multiply charge by 1 01 For R 404A multiply charge by 0 91 For R 410A multiply charge by 0 93 For alternate T D s multiply by flooded charge factors in Table 6 Table 8 Additional Ibs R 22 Charge for FHP and Fan Cycling Combination Model 25 T D F 20 T D F 15 T D F 40 F 20 F O F 20 F 40 F 20 F O F 20 F 40 F 20 F O F 20 F em Dee 6 sup se ser ssp ssp sup ser sep ser
22. stall as shown in dotted lines with same four bolts 4 Install mounting angle item 2 as shown dotted lines with four 1 4 20 x 3 4 bolts provided 5 Condenser can be hoisted by attaching hooks into 1 1 2 holes in leg assemblies Horizontal Condenser Horizontal airflow units should be installed with the coil inlet air side facing the prevailing winds Where strong winds are common it is recommended that a wind deflector not supplied be used to discharge the air vertically from the unit to prevent capacity loss during varying wind conditions The wind deflector should be installed on the fan side of the unit If horizontal airflow units are installed with the air inlet facing a wall a distance of at least 48 inches should be maintained between unit and wall If it is necessary to have the unit positioned so the air discharge is toward a wall it should be spaced at a distance no less than three times the coil face height from the wall Leg Assembly for Horizontal Airflow Installation Models 008 016 1 3 Figure 5 Leg assembly horizontal airflow models 008 016 1 3 1 Attach four mounting angles Figure 5 item 1 to the unit using two 1 4 20 x 3 4 long bolts and 1 4 nuts per mounting angle 2 Discard the two legs Figure 3 item 2 and four gussets Figure 3 item 3 Part 2500018 Remote Air Cooled Condenser HEATCRAFT Leg Assembly for Horizontal Airflow Installation Models 024 133 5 26
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