Continental Refrigerator USAC-40 User's Manual
Contents
1. Cooler Cond GPM GPM Q o 123 8 74 11 8 23 9 35 3 47 0 58 8 70 6 93 6 117 6 141 6 8 2 12 5 25 0 37 4 49 9 62 4 154 8 9 3 14 7 29 4 44 1 58 8 13 5 88 2 117 0 147 0 177 0 10 2 15 6 31 2 46 8 62 4 18 0 31 n 99 at s2 25 155 3 5 5 4 10 8 16 2 21 5 27 0 32 5 43 2 54 0 64 5 4 0 5 8 11 6 17 4 23 0 29 0 1 10 0 10 0 93 100 223 279 86 100 206 258 50 0 50 0 50 0 1032 1290 3 3 2 3 i i 3 2 75 0 0 4 30 3 9 2 5 5 9 9 6 3 1 4 2 35 0 320 840 33 0 79 2 990 310 320 744 93 0 46 4 43 0 44 2 430 100 8 1260 58 0 530 55 0 53 0 124 8 1560 63 6 65 7 636 1498 1872 LCWT Leaving chilled water temperature F kW Compressor power input TR Tons of refrigeration cooling capacity Cooler GPM Flow rate in US GPM for cooler Cond GPM Flow rate in US ee Phone 317 337 9813 www continentalchillers com Fax 317 337 9816 gt Continental Single Phase Chillers UniPac USAC 3 4 5 8 USAC 10 12 15 20 USAC 40 50 60 S i 500 600 9 11 650 900 12 18 90 43 55 11 1004 8001 500 2 2 22 25 30 40 43 55 25 30 120 2 000 2 300 3 3 50 60 40 90 86 55 3 000 50 60 120 86 55 4 000 4 500 110 140 C Phone 317 337 9813 www continentalchillers com Fax 317 337 9816 7 Continental Single Phase Chillers UniPac CONDENSER2. Water Cooled The condenser shall be shell and coil type with water flowing through seamless copper tubes and refrigerant though the carbon steel shell Refrigerant Circuit Each refrigerant circuit shall be constructed of copper tubing with brazed joints and shall include filter drier solenoid valve sight glass thermal expansion valve with external equalizer The entire suction line shall be insulated Control Center The control center shall be NEMA 1 type for indoor models and weatherproof for outdoor models PO Box 781555 Indianapolis IN 46278 USA www continentalchillers com Continental Chillers LLC All power starting and safety operating controls shall be mounted in a fully enclosed control panel with access door Power controls shall include e Single point electrical terminal block e Compressor motor contactor s e Compressor run capacitor s e Fan motor contactor s air cooled units only e Control circuit fuse s Control circuit terminal block Safety Operating controls shall include Two position switch indicating off system on per circuit High Pressure control with manual reset per circuit Low pressure control with auto reset per circuit Adjustable chilled water temperature controller Adjustable freezestat Adjustable compressor anti recycle timer s Relay s Built in compressor motor overload Available Factory Supplied Accessories Control Transformer Factory mounted transformer con
3. Each Refrigerant circuit includes e Liquid line with charging connection e Filter drier e Liquid solenoid valve with 115 V coil 220 V or 24 V optional phone 317 337 9813 Fax 317 337 9816 e Sight glass moisture indicator e Suction line fully insulated designed for proper oil return at minimum friction loss e Discharge line formed of clean ACR type tubing and pre formed radius fitting Control Center All power starting safety and operating controls are mounted in a built in fully enclosed weather proof control panel for air cooled models and NEMA 1 enclosures for indoor water cooled or condenserless models Power controls include e Single point electrical terminal block for 230 1 60 power input e Compressor motor contactor s e Compressor run capacitor s e Fan motor contactor s air cooled units only e Control circuit fuse e Control circuit terminal block Safety Operating controls include e Two position switch indicating off system on per circuit e High Pressure control with manual reset per circuit e Low pressure control with auto reset per circuit e Adjustable chilled water temperature controller e Adjustable freezestat e Adjustable compressor anti recycle timer s e Relay s e Built in compressor motor overload Testing Evacuation and Refrigerant Charging Each completed system is pressure tested with nitrogen evacuated with a high capacity vacuum pump vapor charged with
4. This saves field labor and material 5 Low Evaporator Pressure Freezestat Senses low evaporator pressure and shuts down system after sixty second time delay Extra safety protection against low pressure due to gas shortage or freeze conditions 6 Pressure Gauges Two inch diameter gauges are factory installed and piped to compressor High and low pressure for each refrigerant circuit T Indicator Lights Three indicating lights show Power On High Pressure Fail and No Flow Freeze for each refrigerant circuit 8 Vibration Isolators Level adjusting spring type for one inch deflection for field mounting reduces vibration transmission 9 Low Ambient Controls Standard units have fan cycling and are good for 45 F ambient a For Low Ambient of 0 F Includes a modulating solid state fan speed controller and a single phase condenser motor s as well as fan cycling b For Low Ambient of 20 F Includes head pressure control valve in conjunction with oversized heated and insulated receiver s and fan cycling Receiver includes pressure relief valve 10 Micro Processor Controller 11 Water Regulating Valve Provides head pressure control for water cooled models USWC 12 90 10 Cu Ni Condenser For water cooled models USWC 13 Blygold or Heresite Coated Condenser Coil is coated with Blygold or Heresite for protection against elements Minimal effect on heat transfer 14 Copper Tube Copper Fin Condenser Coil Seamless copper
5. WATER OUT USWC 3 5 10 CONDENSER WATER i i IN 2 a I T LLI D 1 CONTROL el CENTER CHILLER WATER IN USWC 15 20 CONDENSER WA ae TR CONDENSER WATER L VE mA HER WATER OUT WATER IN Z FE CONDENSER P w L La e ka WATER CHILLER WATER GUT CHILLER WATER N CONDENSER mr r 400 500 ee ee ee SA 900 1 000 40 55 48 2 gt 34 48 1 200 1 600 65 80 For models larger than USWC 30 please contact the factory for data C Phone 317 337 9813 www continentalchillers com Fax 317 337 9816 Er li T A kL E E Continental Single Phase Chillers UniPac Total Unit Compressor Motor Data Condenser Fan Motor Data Standard Unit Optional Low Ambient Unit Single Phase Single 1 Single Phase Speed A Max Rec Qty HP RLA LRA MCC jp sA Speed Motor I Control Fuse Fuse Each Each Each Each qty Each Each HP RLA Ot HP LA Each Each Y Each ach sme www m I SJ OT e NJ on c EN C MI Co w c I OT OT oo BO BPO NM e lt EM C NJ OT OT O1 QW Oo II OT ND DD CO gt gt co Co 7 7 i N on ola on ww 00 C2 e B Oo N Cn LE ES WN d ajaj N N Co N N c1 gt N c1 I OT c EM C EM Co w Co
6. less internal friction than traditional reciprocating compressors Motor is suction gas cooled hermetically sealed two pole squirrel cage induction type and is directly driven at 3600 rpm All compressor s are mounted on resilient pads to minimize vibration Air Cooled Condenser for Air Cooled Models Condenser Coil industrial quality seamless copper tube Fins all aluminum die formed with full self spacing collars that completely cover the copper tube fins are mechanically bonded to the copper tubes Propeller Fans large surface low speed low sound level propeller fans for vertical airflow fans are statically and dynamically balanced and operate at low tip speeds for low vibration and sound levels Fan Guards PVC coated for long life Fan Venturi high collar fully spun venturi design for high efficiency and low outlet noise Fan Motors special enclosed air over motor design with built in overload protection single phase motors operate at a low speed of 1075 rpm Water Cooled Condenser for Water Cooled Models Each water cooled condenser is of shell coil design The condenser water flows through special heat transfer copper tube Refrigerant flows through the steel shell and a built in receiver Cooler Evaporator for All Models Each cooler evaporator is of shell coil design The water to be chilled flows through special heat transfer copper tube Refrigerant flows through the steel shell receiver Refrigerant Piping
7. the cooler 6 Provide wall hangers and rubber isolated piping hangers to reduce sound and vibration transmission though liquid piping T Provide thermometers and pressure gauges for installation in the inlet and outlet water lines These items are available as optional features and are not included in the standard unit 8 Chilled water lines should be insulated to reduce heat pick up and prevent condensation 9 For winter low ambient operation it is recommended that a heater cable of 4 watts per lineal foot of pipe be installed and exposed lines be properly insulated to protect against freeze conditions 10 Flush all chilled water piping prior to final connection to the UniPac chiller systems Water Treatment Adequate water treatment should be determined locally depending on the local water quality and the type of system Any foreign material or dirt in the water system can adversely affect the performance of the UniPac unit Freeze Protection Continental recommends use of a premixed glycol Propylene or Ethylene or HVAC heat transfer fluids Contact factory for more details Automotive antifreeze is not recommended because these often include silicates Silicates end up coating the heat transfer surface reducing efficiency fouling the system and shortening the life of the pump seals Corrosive Atmosphere Operation Continental offers the following choices of condenser coil combinations for various corrosive atm
8. 0 phone 317 337 9813 Altitude Ratings are based on altitude of sea level For other ratings use the following correction factors 7 Tel 317 337 9813 Fax 317 337 9816 Alt Above Capacity Sea Level Multiplier Alt Above Capacity Sea Level Multiplier 4000 1000 2000 3000 5000 6000 For ratings outside this catalog range consult Continental for assistance E mail sales continentalchillers com Selection Procedures A ll units are rated in accordance with ARI Standard and cover a wide range of leaving chilled water temperatures and ambients from 85 F to 120 F To select any chiller it is necessary to know ZEM gt Capacity Tons Entering and leaving chilled water temperature F Water Flow GPM Design ambient temperature F or Entering leaving cond water temperature for water cooled units F nowing any two of items 1 2 or 3 the third can be calculated as follows GPM Tons x 24 Temp Rise At i www continentalchillers com Fax 317 337 9816 gt Continental Single Phase Chillers UniPac Ambient Air Temperature F 3 zs so sz zs si ssp aap aa so we as 45 15 aap 38 s 4a so ws as sz 94 35 sa ea 30 5 T72 28 58 er 10 8 6 10 0 20 6 7 8 10 4 18 7 7 0 10 8 16 8 6 0 11 0 14 4 5 6 11 6 13 4 45 10 150 32 17 21 105 162 22 so ts 216 94 os 202 w wz mo na 152 o08 x5 wo ne sme vo mo 28 v2 a2 29 Fas ao zo 25 32 60 2
9. 2 32 sa 20 s4 48 18 sa 5 Fas si mo ai sa se ar ss so sa s7 vo aofsef 72 w2 221 e2 ioe wr T4 wo ae 66 va7 te ana ma 452 sms 150 zms wi ws 200 o9 v4 mel so WA mo 7 40 ee re ar ar ae ee eel er er ae o8 ma s0 ma 12 To Ns 18 54 T8 154 458 33 ma 162 sr wi ws 200 dos 107 z2 se uz mo sa 68 25 35 60 21 se 50 20 38 ar ss 18 i s os sef 60 sf 35 60 79 mal me sz us 17 73 m9 is ss no 18 EO 3 3 5 9 E 4 ws ns wo 283708 me 29 09 180 me 3 3 5 5 w 92 5 ns m wa 3 9r i 5 45 se ta as 88 5 ur HR s so se me 45 8 90 4 ae 156 35 3 aa aa rr 2e a3 70 26 os er 22 26 sa 20 os 45 s so sa vo ss ss mo a2 s mor a7 eo 99 94 ot 62 pr Taa ama 68 122 165 5 s Fus 174 3 m 8 232 3 NEN E NN NN Um em EN NN NN Um sa az az ao se T2 27 oa se 627 95 2 6 0 2 8 4 0 2 6 3 4 2 7 24 CGT 04 aasa zo sems 26 RST 18 20 El 37 3 alk 5 6 10 16 450 156 300 134 15 w2 i EX 24 3 9 7 8 15 6 37 2 5 4 1 1 3 6 1 2 EE 37 so 2s as 55 sa sa Bo 50 577 mol 45 60 108 41 62 98 38 63 01 08 705 259 wo 44 240 907720 ae 82 4 17 76 16 182 LCWT Leaving chilled water temperature F kW Compressor power input TR Tons of refrigeration cooling capacity Cooler GPM Flow rate in US GPM for cooler 5 C Phone 317 3
10. 37 9813 www continentalchillers com Fax 317 337 9816 gt Continental Single Phase Chillers UniPac Air LU SE LCWT Model 85 J IDEE IEEE Sm nS we BRE a er Godt L w 34 400 820 Tans Tang 79 280 ao ez mo uo ar 224 de 838 30 a0 500 2 900 s20 00 950 anl n 900 50 720 280 Wo 672 Feo ers 500 1238 470 exo 128 420 650 1008 900 090 854 336 606 808 25 m0 255 552 205 255 402 185 o75 444 105 285 398 150 290 380 3 260 310 672 250 s20 ono aol ao see 200 960 40 180 900 22 ao 370 mo se sono 792 300 40 720 204 456 CHEHRE 7 460 510 104 aio sao 04 370 550 eee 900 570 792 300 s80 720 60550 610 120 490 636 4178 440 690 4056 909 084 950 360 695 804 35 xs 260 see 220 270 528 200 005 40 vs a95 420 160 05 384 o 24 312 70524 sa 034 240 na sre 210 as4 504 192 e r 4 so s 986 aso lang 80 920 40 708 280 aro e72 260 470 624 50 400 520 17e 40 540 1056 400 570 900 950 500 eao 320 590 768 eo 590 624 10 530 650 1272 480 684 152 420 710 1008 384 710 022 25 ar o aaas aal 540 25 27 492 160 27 432 165 303 38 ao es as 9830 45 864 330461 7927250 475 605 26580 636 5 ass 520 188 40 545 4080 40 srs ona anas 864 330 600 792 eo 595 624 1428 at oss 128 402 690 1181 402 Tis 4007 907 721 953 Ca
11. 50 260 s0 z0 zs ssz zo zo 904 vas o00 na a ae 3 so siz 72020 feo 672250 erl 600 220 960 s28 200 370 40 w 400 fars 960 fare ao 888 940 aso ere 900 40 720 270 40 ee 50 500 520 1200 460 550 104 420 580 wos sro soo EH ero me 600 624 140 552 660 125 504 606 1210 44 720 4000 40 732 964 25 260 205 624 240 o200 570 o15 205 st 15 905 468 180 310 2 30 so 20 744 a0 mo 000 200 064 024 294 o00 sm2 me wo me w 420 430 1008 360 450 912 344 472 ee 312 400 749 290 45 606 50 520 530 1248 480 s60 12 40 00 4082 900 010 sie 300 620 804 eo 624 366 1408 ss 62 182 ste 708 1238 408 782 123 432 744 107 35 270 ro 648 250 25 600 225 300 sto 205 940 402190 20 6 30 324 324 ref ooo 340 720 270 360 srs 250 oro 600 23080 552 w ao ao 1082 400 460 960 900 480 804 990 500 702 304 504 720 sto sin 1286 500 sro ofon wo aofo se wr e ma o u esaea 300 720 1208 42 T rea ise s vov LCWT Leaving chilled water temperature F ESTEE power mem TR Tons of refrigeration cooling capacity Cooler GPM Flow rate in US GPM for cooler D C Phone 317 337 9813 www continentalchillers com Fax 317 337 9816 gt Continental Single Phase Chillers UniPac Condenser Leaving Water Temperature F FONG Cooler Con Cooler Cond TR GPM GPM 6 GPM 7 LCWT F Q
12. OD NJ OT nla oO C OT O1 G i 3 i 3 I lt 150 18 s 20 450 430 SE I a oO DD C e NJ 2 EM 1 E Co oO NO 2 D gt CO Co D e C2 e I Oo e NJ 2r NJ 2r on OD Co CO N 0 KO DN NO DN gt J A Co A Co co N 00 Hy HR HR AJIJ AIAI RT O RARI wo BR wo d O1 O01 CO01 COC1 CO9O1 C1 O1 CO1 CO1 co ENS mM EN alaja en CUM Co wo Oo Oo ES m I EN o E c1 o ol D C5 D ES m l alaja Si E v Co OD NO D gt 00 Co NO Ex OT dh c Oo Od cO Ka Ka Pp o E on on oO N EN C1 Total Unit Compressor Motor Data uwa m o x 1 4 m w wws n s w gt uws wm n s 2 4 m w n wwe n w 2 s ww n s m 3 4 m w mn uwas m w w 3 s o uswa wu w w 5 we 8 uwwcm ws m w s s 9 w mea m m m s m we 8 uwa xm x x s mi w usc sx w ow w s m we 8 wwe ws e am 2 s 9 w Notes O1 OCO1 O1 CO1 CO1 C1 CO1 O1 CO01 A 1 All units have across the line start 2 RLA rated load amps rated in accordance with ARI Standard 3 MCA mi
13. R 22 and fully tested for all operating and safety controls Field charge of R 22 required Split chiller systems are dry run tested for operating and safety controls Assembly All above components are assembled on a heavy duty structural steel frame formed of channels and angles as a rugged pre engineered package Each steel frame has mounting holes and lifting eyes on four sides for spreader bar lifting and rigging The cabinet of air cooled units is made of heavy gauge galvanized steel Www continentalchillers com Continental Single Phase Chillers UniPac 1 Control Transformer For applications where a separate 115 volt power source is not available a transformer can be installed and wired between the line voltage power terminal block and the 115 volt control circuit Transformer primary fuses are included 2 Factory mounted and wired flow switch This accessory is mandatory for Continental warranty to be effective Provides protection from chiller freezing due to no flow through chiller evaporator 3 Factory Mounted and Wired Chiller Water Pump Valve Includes chilled water circulating pump pump starter and isolation valve Provides system pump for chilled water circulation saves field labor and material This pump is interlocked with the flow switch and phased in at the factory for proper rotation 4 Non fused Disconnect Factory mounted non fused disconnect sized for model and voltage
14. Technical Guide Form UTG 0204 Continental Chillers LLC Phone 317 337 9813 Fax 317 337 9816 www continentalchillers com UniPac single Phase Air Cooled Chillers Water Cooled Chillers Split System Chillers 3 through 60 HP CONTINENTAL CONTINENTAL Shown model USAC 8 Typical Scroll Packaged Air Cooled Chiller with Compressor Factory Mounted Chiller Pump 7 Continental Single Phase Chillers UniPac All over the world Continental has successfully developed and marketed various packaged and split chillers to serve many needs For several years discerning Engineers Contractors and Owners have expressed a desire to specify install and own Unique Single Phase quality chillers in sizes ranging from 3 to 60 HP This need is being fulfilled by Continental s line of UniPac Chillers UniPac chillers have a full compliment of factory installed and wired optional accessories These accessories Can save several hundreds of dollars in field labor and material resulting in cost effective installation Packaged UniPac chillers are factory tested and shipped with a vapor charge of R 22 Split UniPac chillers are dry run tested for functional tests and shipped with dry air or nitrogen for field piping evacuating and refrigerant charging To order Split A Ua AIF SODE TUNI Compressor Chiller Control Panel model USC with matching Outdoor Air Cooled Condenser model CAD To orde
15. ion of a complete unit enclosure and heater tape with thermostat for the cooler and condenser must be ordered The following guidelines are recommended Location for Air Cooled Systems 1 Whether it is a rooftop or ground level installation select a place with unrestricted fresh air supply for the air cooled condenser and minimum sun exposure 2 Avoid locations between structures beneath windows or any other restriction that may affect adequate air supply to the condenser and where normal operating sounds may be objectionable 3 The condenser fans are propeller type and are not designed for use with duct work Location for Water Cooled Systems 1 The preferred location for the water cooled system is a proper plant room with at least 4ft access on all four sides Foundation All chillers should be mounted on a flat and level foundation ground or rooftop capable of supporting the total operating weight of the unit and service personnel a Ground Level It is important that the units be installed on a substantial base that will not settle causing strain on the liquid lines resulting in possible leaks Mounting holes 9 16 are provided in the unit steel channels for bolting the unit to its foundation An independent one piece concrete slab not tied to the main building and with footers extended below the frost line is recommended b Roof top Rooftop installations will require consideration by an architect and contractor
16. nimum circuit amps equal 12596 of the RLA for the largest motor in the circuit plus 10096 of the RLA for all other motors in the circuit per N E C 4 Basedon copper conductors with 75 C insulation per N E C Table 310 16 5 Maxfuse size is based on 225 of the RLA for the largest motor in the circuit plus 100 of the RLA for all other motors in the circuit per N E C This is the largest fuse allowed per N E C A smaller fuse is often recommended uir on the unit application and ambient temperature C Phone 317 337 9813 www continentalchillers com Fax 317 337 9816 Continental Single Phase Chillers UniPac General Continental UniPac Air Cooled Packaged Chillers models USAC are designed for outdoor installations and normal exposure to summer and winter conditions The vertical condenser air discharge feature allows rooftop or ground installations Horizontal units are also available The enclosure door is provided to protect the electrical components against unauthorized access However consideration should be given to a field installed protective fence to further reduce possibility of accidental damage or unauthorized entry especially for ground level installations Field installed fence must have a minimum of 5096 open area Continental UniPac Water Cooled Packaged Chillers models USWC ar designed for indoor installations and normal indoor conditions However if outdoor installation is required the factory opt
17. ospheres Blygold or Heresite coating for aluminum fins Copper Fins with Blygold or Heresite coating or complete unit coated with Blygold Imron or Heresite Field Electric Wiring All field wiring must be in accordance with applicable local national codes and ordinances Continental chiller systems are factory wired for optimum reliability Controls are factory set for the operating conditions These controls must not be field modified without written consent from Continental otherwise the warranty is voided The use of a simple remote switch or timer is permitted but it must be connected to the Continental control panel at points specifically indicated for that purpose Remote chilled water set point option is available see under options www continentalchillers com Continental single Phase Chillers UniPac Furnish and install where indicated on plans Qty Continental UniPac model USAC USWC packaged liquid chiller s The each unit shall have a cooling capacity of Tons with compressor kW when cooling GPM of water from F to F and a cooler fouling factor of 0 00025 Hr Sq Ft F Btu The water pressure drop shall not exceed feet of water through the cooler The USAC entering air temperature will be F The USWC unit will be supplied with GPM of F condenser water with a condenser fouling factor of 0 00025 Hr Sq Ft F Btu The condenser water pressure drop shall not exceed ft of water The unit ove
18. other applications 27 Cooler Heater with Thermostat For freeze protection 28 Desuperheaters Provides free hot water by recovering heat from super heated gas 29 Compressor Circuit Breaker Both fused and non fused short circuit protection for each compressor further reducing chance of motor burnout 30 Digital Temperature Readout 31 Compressor Cycle Counter Hour Meters 32 Non Ozone Depleting Environmentally Friendly Refrigerant cooler and controls for various 1 Ratings are in accordance with ARI standard for chillers These ratings may be interpolated for any published chilled water temperatures between 40 F and 50 F but must not be extrapolated 2 Chilled Water Flow based on 2 4 GPM per Ton and 10 F chilled water range Limit 6 F minimum to 14 F maximum 3 Cooler Fouling Factor 0 00025 fouling is standard For 0 0005 fouling capacity correction factor 0 982 x TR 0 994 x kW For 0 00075 fouling capacity correction factor 0 964 x TR 0 989 x kW 4 Water cooled condenser fouling factor ratings are based on 0 00025 for condenser For 0 00075 Condenser tons x 0 97 kW x 1 045 5 Copper Fin Ratings TR x 1 01 kW x 0 99 6 Ethylene Glycol Correction Factors Following factors are to be applied to the standard ratings for ethylene glycol For other glycols consult factory Correction Factors GPM Tons F Ton 1 000 990 0 995 30 980 4990 110 260 5 0 985 50 960 0 98
19. r Split B Use model USAC To order Packaged Water Cooled Chiller Compressor Condenser Condensing Unit Outdoor model USA with matching Indoor Use model USWC Chiller model CDX UNIPAC NOMENCLATURE Packaged Air Cooled and Water Cooled Chiller Systems U S AC or WC X U Unique B Scroll Condenser Air Cooled Condenser Water Cooled Nominal Horse Power 3 4 5 8 10 12 15 20 25 30 40 50 60 For 4 8 12 Ton Ratings Contact Factory Ordering Examples 40 ton packaged Single Phase Air Cooled Chiller model USAC 40 30 ton packaged Single Phase Water Cooled Chiller model USWC 30 20 ton split Single Phase Air Cooled Chiller option A models USC 20 indoor compressor chiller and CAD 20 outdoor A C condenser 20 ton split Single Phase Air Cooled Chiller option B models USA 20 outdoor condensing unit and CDX 20 indoor chiller 2 phone 317 337 9813 Fax 317 337 9816 www continentalchillers com Continental Single Phase Chillers UniPac General Description Continental s Single Phase Air and Water Cooled Chillers are packaged systems complete with scroll compressor s air cooled or water cooled condenser s individual cooler evaporator s independent refrigerant circuit s and a control center all mounted on a heavy duty structural steel frame Scroll Compressor s Compressors are well proven state of the art scrolls with fewer moving parts less rotating mass and
20. rall dimensions shall not exceed ins In length ins in width and ins In height The unit operating weight shall not exceed Ibs General Packaged Liquid Chiller shall be completely factory assembled including all interconnecting refrigerant piping and internal wiring controls mounted on a steel frame which accommodates the air water cooled condenser compressor and cooler The units shall be leak tested evacuated and shipped with a vapor charge of R 22 Split chillers shall be field piped pressure tested evacuated and then field charged with R 22 All units shall include the following Compressor Motor USAC USWC compressor motor shall be state of the art scroll with fewer moving parts and sweated without valves All compressor s shall be mounted on resilient pads to minimize vibration Safety internal relief per ASA B9 1 Code Cooler The cooler shall be direct expansion shell and coil type with refrigerant in the shell and liquid to be chilled in the tube The design working pressure of the cooler shell liquid side shall be 150 psig And 200 psig for the tube refrigerant side The cooler shall be insulated with closed cell insulation Condenser Air Cooled The condenser shall be of copper tube aluminum fin construction Fans shall be propeller type direct driven by totally enclosed air over motors with built in overload protection positioned within the cabinets for weather protection Condenser
21. to have adequate structural strength to safely support the entire operating weight of the unit and service personnel Structurally transmitted vibration and sound must be avoided by mounting the unit on proper isolators Clearances 1 Air cooled systems draw air from all sides therefore units must be installed with sufficient clearances for air entrance to the condenser coil for air discharge away from the condenser and for servicing Minimum clearances for all units are 4 feet on all sides 2 n installations where winter operation is intended and snow accumulations are expected additional height must be provided in order to insure normal condenser airflow 3 When free airflow to the condenser is reduced or restricted condenser air may be recirculated considerably reducing system capacity and increasing power consumption All ratings are based on free air discharge phone 317 337 9813 Fax 317 337 9816 11 4 For multiple units a minimum lateral clearance of 10 feet between two units is recommended Field Piping 1 If a circulating pump is field furnished the pump must discharge into the cooler first and then through the cooler to the system 2 Provide stop valves on all inlet and outlet piping to facilitate servicing 3 Provide drain connections at low points to permit drainage of cooler and field piping 4 Provide air vents at high points easily accessible for servicing 5 Provide a strainer on the inlet to
22. tube with die formed copper fins mechanically bonded to the tube Provides maximum protection from salt water environment due to the elimination of dissimilar metals 15 Complete Unit Coating Your choice of paint Blygold Imron polyester or Heresite coating for compete unit 16 Stainless Steel Hardware For extra protection against corrosion 17 Low Speed Condenser Fan Motors For lower noise levels 18 Centrifugal Condenser Fans For ducted applications 19 Acoustical Enclosure Compressor is located in an acoustical enclosure providing dampening of sound levels 20 Dual Unit Kit Allows operation of two or more units 21 Alarm Bell Contacts Allows alarm bell connection to pressure controls for signaling if unit fails on manual reset safety controls alarm bell is not included but can be provided 22 Water Flange Kit Factory or field mounted consists of 150lb raised face flanges to convert male pipe thread to flanged cooler connections 23 High Return Water Thermostat Factory mounted thermostat senses high return water temperature at start up Allows unit to run un loaded instead of shutting down due to high head pressure 24 Brine Chilling Modified brines glycols alcohols 25 High entering Water Process Cooling Secondary plate heat exchanger with pump factory mounted and wired to protect compressor against burnouts due to high water temperatures 26 Potable Ingredient Water at 34 F For bakeries produce or
23. unted Alarm Bell Contacts allows alarm bell connection to pressure controls for signaling if unit fails on manual reset controls Water Flange Kit Factory or field mounted consists of 150 Ib raised flanges to convert to flanged cooler connections High Return Water Thermostat Factory mounted thermostat senses high return water temperature at start up Allows unit to run un loaded instead of shutting down due to high head pressure Desuperheaters Provides free hot water by recovering heat from superheated gas Compressor Cycle Counter Hour Meters Cycle counter and hour meter Remote Display Panel allows operator to monitor and control chiller operation from a remote location Phone 317 337 9813 Fax 317 337 9816 Email sales continentalchillers com
24. verts unit power to control voltage for single point electrical 115 240 or 24 volt Flow Switch Factory mounted and wired to the control panel Chilled Water Pump Package Factory mounted and wired chilled water pump with starter in the control panel and interlocked with flow switch MicroProcessor Controls State of the art microprocessor Operating Gauges Suction and discharge gauges factory installed and piped to each compressor Indicating Lights are wired and mounted on control panel Lights furnished for Power On High Pressure and No Flow Freeze Vibration Isolators Level adjusting spring type 1 deflection or Neoprene pads shipped loose Low Ambient Accessory Air Cooled Models Only Standard unit will operate down to 45 F Unit will operate down to O F with this factory mounted accessory of fan speed control or add low ambient to 20 F Non Fused Disconnect Switch Factory mounted and wired to control panel NEMA 3R for air cooled NEMA 1 for water cooled Blygold Coated Condenser Copper tube aluminum fin or copper tube copper fin coated with Blygold Heresite Coated Condenser phenolic corrosion resistant coating for copper tube and aluminum fin coil or copper copper coil Copper Fin Condenser Coil Copper fin condenser coils Sound Attenuator consists of sound absorbing material that surrounds compressor Factory installed Dual Unit Kit allows operation of two or more units with parallel or series water circuit Field mo
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