ClimaCool UCA 20 Installation, Operation And Maintenance Manual Download Page 2

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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Dimensional Data and Drawings . . . . . . . . . . . . . . . . . . . . . . 6-8

Rigging and Lifting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . 9

Mounting Rail and Vibration Isolation . . . . . . . . . . . . . . . . . . 10

Recommended Service Clearances . . . . . . . . . . . . . . . . . . . . . 11

Model Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-14

Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Wiring Diagram-Voltage/Phase Monitor . . . . . . . . . . . . . . . . 16

Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17-18

. . . . . . . . . . . . . . . . . . . . . . . . . . 19

Hydronic Refrigeration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Part Load Performance Advantage . . . . . . . . . . . . . . . . . . . . 21

Filling the Water System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Water Temperature Requirements . . . . . . . . . . . . . . . . . . . . . 24

Evaporator Water Pressure Drop Charts . . . . . . . . . . . . . 25-26

Operational Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Pre-Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Pre-Startup Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-31

Superheat & Subcooling Flow Chart . . . . . . . . . . . . . . . . . . . . 32

Startup and Warranty Form . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Operation and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Condenser Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Heat Exchangers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Cleaning Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Compressor Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Refrigeration Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . 39-41

Head Pressure Control Valve Operation (LAC) . . . . . . . . . . . 42

Refrigeration Systems Re-Processing and Charging . . . . . . 43

. . . . . . . . . . . . . . . . . . . 44-45

Options & Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Stainless Steel Strainer Option . . . . . . . . . . . . . . . . . . . . . 47-51

WYE Strainers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52-53

Basket Strainers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54-55

Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56-57

Power Distribution Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59-87

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Table of Contents

Summary of Contents for UCA 20

Page 1: ... Air Cooled Modular Chiller Water Cooled Heat Pump Heat Recovery and ŝŵƵůƚĂŶĞŽƵƐ ĞĂƟŶŐ ĂŶĚ ŽŽůŝŶŐ ĞĂƚ WƵŵƉ Model UCA 20 30 50 70 ŶƐƚĂůůĂƟŽŶ KƉĞƌĂƟŽŶ Θ DĂŝŶƚĞŶĂŶĐĞ DĂŶƵĂů on DEMAND SIMULTANEOUSHEATINGANDCOOLING ...

Page 2: ...or Water Pressure Drop Charts 25 26 Operational Limitations 27 Pre Startup 28 Pre Startup Check List 29 Startup 30 31 Superheat Subcooling Flow Chart 32 Startup and Warranty Form 33 Operation and Maintenance 34 Condenser Fans 35 Heat Exchangers 36 Cleaning Arrangement 37 Compressor Information 38 Refrigeration Circuit Diagram 39 41 Head Pressure Control Valve Operation LAC 42 Refrigeration Systems...

Page 3: ...ARANTIE Very Hot Water L eau Trés Chaude WARNING AVERTISSEMENT CAUTION ATTENTION Use only copper conductors IRU HOG LQVWDOOHG ZLULQJ 8QLW terminals are not designed to accept other types of conductors Utilisez uniquement des conducteurs en cuivre pour le câblage Bornes de l unité ne sont pas conçus pour accepter d autres types de conducteurs Disconnect power supply ies before servicing Refer VHUYL...

Page 4: ...rability by forklift or pallet Ƥ ȋ Figures 7 8 and 9 on page 9 Verify that all header grooved couplings groove by groove 6 nipples and mounting hardware kits are on site prior to connecting the modules Rigging and Lifting Each module should be lifted by using a fork lift If it is necessary to utilize a crane for rigging or lifting each module shall be lifted by using lifting straps and spreader ba...

Page 5: ... Heat Pump 2 Unit tonnage ARI rating conditions 44 F leaving chilled water temperature 95 F entering condenser air temprature flow rate is 2 4 GPM per ton through the evaporator with a 0001 fouling factor 3 Module operational weight includes water compressor oil and refrigerant charge Multiply times the number of modules for a total system operational weight 4 Unit shipping weight includes refrige...

Page 6: ... Copper Copper Copper Dimensions Quantity 22 x 78 8 22 x 78 8 22 x 78 8 22 x 78 8 22 x 78 8 22 x 78 8 Rows Deep 4 4 4 4 4 4 Fins Per Inch 12 12 12 12 12 12 Evaporator 50 70 50 70 50 70 Heat Exchanger Type Brazed Plate Brazed Plate Brazed Plate Brazed Plate Brazed Plate Brazed Plate Independent Refrigerant Circuits quantity 2 2 2 2 2 2 Water Storage Volume HX Only gals 4 9 7 7 4 9 7 7 4 9 7 7 Water...

Page 7: ...ins Per Inch 8 8 30 70 300 300 6 6 2 000 4 000 1 590 3 180 Notes 1 Module operational weight includes water Multiply times the number of modules for a total system operational weight 2 Unit shipping weight includes packaging based on transportation Module Shipping Weight 2 Free Cooling Coils Free Cooling Free Cooling Module Operating Weight 1 Header Water Connections Inlet Outlet inches Quantity M...

Page 8: ...Location in E Header Location in F Header Location in Header Connection in 050 208 230 460 575 3 60 Ψ ΨΦ ΨΠ ΨΟΞ ΨΟΞ ΨΣ 6 070 208 230 460 575 3 60 Ψ ΨΦ ΨΠ ΨΟΞ ΨΟΞ ΨΣ 6 Note 1 The model UCA 050 and 070 cannot be coupled back to back Control Box B A Air Discharge Figure 1 Cooling Only UCA 020 030 Figure 2 Cooling Only UCA 050 070 Air Discharge Control Box B A Air Discharge C D E F Air Intake Air Inta...

Page 9: ... Depth in D Header Location in E Header Location in F Header Location in G Header Location in Header Connection in 050 SHC 208 230 460 575 3 60 Ψ ΨΦ ΨΠ ΨΟΞ ΨΟΞ ΨΣ ΨΣ 6 070 SHC 208 230 460 575 3 60 Ψ ΨΦ ΨΠ ΨΟΞ ΨΟΞ ΨΣ ΨΣ 6 Figure 3 Simultaneous Heating Cooling 020 030 Figure 4 Simultaneous Heating Cooling 050 070 A B Air Discharge Control Box Air Discharge Air Intake Air Intake C D F G E Chilled Wat...

Page 10: ...ader Location in E Header Location in F Header Location in Header Connection in 070 208 230 460 575 3 60 Ψ ΨΦ ΨΠ ΨΟΞ ΨΟΞ ΨΣ 6 Dimensional Data and Drawings Figure 5 Free Cooling UCF 030 Figure 6 Free Cooling UCF 070 Air Discharge B A Control Box C Air Intake Air Intake Air Intake Air Intake E F D Chilled Water Inlet Chilled Water Outlet Air Discharge Air Intake Air Intake C E F D Chilled Water Inl...

Page 11: ...utouts provided for ease of maneuverability Rigging Each module should be lifted by using lift straps threaded through the steel base cutouts and a spreader bar Note If no spreader bar is used damage to the module may occur Figure 7 Spreader Bar Spreader Bar Lifting Strap Figure 9 Spreader Bar Lifting Strap Figure 8 Rigging and Lifting Procedures ...

Page 12: ... Vibration Isolation Pads Option ConcretePad byothers Figure 10 Support Rails and Anchor Locations Figure 11 Spring Vibration Isolators Option ClimaCool recommends locking down the chiller to a concrete base or to two 2 4 base mounting rails using the six bolt holes provided in each base pan see Figure 10 Due to the low vibration of the modules ClimaCool does not require the application of spring ...

Page 13: ...trical codes may require additional clearance Consult applicable codes Ǥ Ƥ Ǥ Rear Service Access Air Intake Air Intake Service and Air Intake Clearance Top View See Note 4 for side clearance See Note 4 for side clearance See Note 4 for side clearance See Note 4 for side clearance Air Intake Air Intake Service and Air Intake Clearance Service and Air Intake Clearance Ǧ Ǧ Ǧ Ƥ Ǧ Ǧ Ǧ Ƥ 36 36 42 42 42 ...

Page 14: ...eaderless Module with Condenser Hail Guard and Bird Screen H 208Ͳ230 3 60 U Headerless Module with Coated Condenser and Bird Screen N 575 03 60 Y Condenser Coil Hail Guard with Bird Screen U 380 3 50 Z Headerless Module with Bird Screen Refrigerant Options Controls Electrical 0 None Ͳ Standard Low Ambient to 0 F A Standard Controls B Hot Gas Bypass Ͳ Both Circuits S Single Module Controls M Low Am...

Page 15: ... Using the appropriate tools tighten hardware assembly until seated Inspect the pipe ends to ensure they are free from any ǡ ǡ surface defects such as loose paint scale dirt chips grease and rust Inspect the grooved coupling gasket for any defects Apply a thin layer of silicone or other non petroleum lubricant to the sealing lips of the gasket and to the exterior of the gasket Install gaskets on t...

Page 16: ...odules together and leak testing the entire coupling connection will need to be insulated by the installing contractor Access Panels ƥ ǡ ǡ and always prior to operation of the bank Lower side acess panels are available as an option Unit Installation Figure 17 Back to Back Figure 15 Hardware Kit Figure 16 Spacer Holes END TO END SPACER HOLES BACK TO BACK SPACER HOLES ...

Page 17: ... the compressors ClimaCool recommends the use of a phase sequence indicating instrument following the manufactures directions Another alternative would be to bump test the compressors one at a time with pressure gauges attached to the high and low gauge ports of the compressors to check for proper rotation Energize the compressor for a few seconds to Ƥ Ǥ If the discharge pressure does not increase...

Page 18: ...R R www climacoolcorp com 16 Wiring Diagram Voltage Phase Monitor ...

Page 19: ...e chiller system ơ ƪ and the pressure gauge it will require two 2 1 2 taps ȋ Ƥ Ȃ ȌǤ Water Isolation Valves It is recommended to provide bank water isolation valves for proper isolation and maintenance of the chiller pump and ȋ Ƥ Ȃ ȌǤ Strainers Minimum 60 Mesh Screen Required ClimaCool chillers utilize brazed plate heat exchangers which are extremely sensitive to debris Therefore it is mandatory th...

Page 20: ... valve arrangement The load side system bypass should be sized for an absolute minimum of one module s worth of design ƪ Ǥ ȋ ƪ rates A minimum of 6 six gallons per nominal system ton are also required to maintain proper system thermal inertia This is to avoid short cycling of compressors in the chiller heater system as well as prevent nuisance alarms LOAD 1 FROM CHILLER BANK TO CHILLER BANK LOAD Ϯ...

Page 21: ...rainer with a minimum of 60 mesh stainless steel screen is a required safety to protect the brazed plate heat exchanger on the all water sides of the system and must be in place at all times when the chiller is operating Ǥ ƪ ǡ Ǥ 7 Bypass is mandatory for systems utilizing motorized valves 8 Header bypass valve may be installed at either end of bank 9 For over seven 7 modules please consult the fac...

Page 22: ...cts hydroponic piping in each ClimaCool chiller module and is shown with water isolation valves Service Ports 3 4 Isolation Ball Valves 2 or 2 1 2 Pete s Ports Heat Exchanger Leaving Chilled Water Temperature Sensor Refrigerant Circuit 1 Refrigerant Circuit 2 Hydronic Refrigeration ...

Page 23: ...ant Circuit 1 Refrigerant Circuit 2 Refrigerant Circuit 1 Only Refrigerant Circuit 2 Only Refrigerant Circuits 1 and 2 ClimaCool modular chillers employ reliable and highly ƥ Ǥ Ǧ ƪ Ǥ ǡ Ǧ Ǥ Of course full performance is Ǧ Ǧ ȋ Ǥ Ǥ both refrigerant ȌǤ If circuit 1 is cut the unique channel to remain in ǡ Ǥ and circuit 2 cut out optimum heat transfer Ǧ Ǥ Optimum Performance Every Time Even at Part Loa...

Page 24: ...the water systems 1 Before cleaning the system install a temporary bypass line between the main supply and return water headers of both chilled and condenser water systems when possible Open the main header bypass lines to ƪ Ƥ is mostly pure 2 Provided main header bypass lines are installed close all water isolation valves inside all modular chillers equipped with manual or automatic water isolati...

Page 25: ...ntaminated Water In such instances whereby the particulates in the water are excessive it is recommended to install an intermediate plate and frame heat exchanger to isolate the ClimaCool chiller from the building water system from the building water system WATER CONTAINING CONCENTRATION Ammonia Less than 2 0 mg l CaCO3 Alkalinity 30 500 mg l CaCO3 Hardness 30 500 mg l Chlorides Less than 200 mg l...

Page 26: ...ents Notes 1 Operating in ambient temperatures below 40 F requires a suitable antifreeze solution 2 All modules can operate in this range without the need of special controls 3 A glycol solution additive is required at a lower operating suction temperatures in order to pro tect the evaporator from freeze ups 4 LWT Leaving Water Temperature ...

Page 27: ...25 R R www climacoolcorp com Evaporator Water Pressure Drop Charts ...

Page 28: ...ĂĐŝƚǇ DƵůƚŝƉůŝĞƌ ůŽǁ ŐƉŵ DƵůƚŝƉůŝĞƌ Ŭt WŽǁĞƌ DƵůƚŝƉůŝĞƌ ϴ Ϭ ϵϵϱ ϭ Ϯϰϲ Ϭ ϵϵϴ Ϭ ϵϵϬ ϭ Ϯϰϰ ϭ ϬϬϯ Ϭ ϵϴϲ ϭ Ϯϯϴ ϭ ϬϬϲ Ϭ ϵϴϬ ϭ ϮϯϮ ϭ ϬϭϮ ϭϬ ϭ ϬϬϬ ϭ ϬϬϬ ϭ ϬϬϬ Ϭ ϵϵϯ Ϭ ϵϵϳ ϭ ϬϬϰ Ϭ ϵϴϵ Ϭ ϵϵϬ ϭ ϬϬϳ Ϭ ϵϴϯ Ϭ ϵϵϲ ϭ Ϭϭϰ ϭϮ ϭ ϬϬϱ Ϭ ϴϯϰ ϭ ϬϬϭ Ϭ ϵϵϲ Ϭ ϴϯϭ ϭ ϬϬϰ Ϭ ϵϵϮ Ϭ ϴϮϲ ϭ ϬϬϴ Ϭ ϵϴϲ Ϭ ϴϮϭ ϭ Ϭϭϲ ϭϰ ϭ ϬϭϬ Ϭ ϳϭϲ ϭ ϬϬϭ Ϭ ϵϵϴ Ϭ ϳϭϰ ϭ ϬϬϱ Ϭ ϵϵϰ Ϭ ϳϬϵ ϭ ϬϬϵ Ϭ ϵϴϵ Ϭ ϳϬϰ ϭ Ϭϭϴ ĞĂ ĞǀĞů ϮϬϬϬ Ĩƚ ϰϬϬϬ Ĩƚ ϲϬϬϬ Ĩƚ Table 3 Perfo...

Page 29: ...hiller Water Flow Air Temperature Data UCA020 UCA030 UCA050 UCA070 Cooling Mode Minimum Load Water Flow gpm 23 34 54 78 Maximum Load Water Flow gpm 113 164 265 379 Minimum Leaving Chilled Water Temperature No Glycol F 40 40 40 40 Minimum Leaving Chilled Water Temperature with Glycol F 20 20 20 20 Minimum Chilled Water Differential Temperature F 4 5 4 5 4 5 4 5 Maximum Chilled Water Differential Te...

Page 30: ...ck for particles or coloration from suspended Ǥ ơ chiller heat exchanger measured at the pete s ports at each module Ǥ Ƥ ƪ evaporator Acquire the design parameters for the chiller bank from the ClimaCool Selection Program data available from your local representative Compare the ơ ƪ ƪ Ǥ 7 Verify proper installation of the mandatory factory Ƥ ơ ƪ ǡ temperature sensors and wells sensors should be fu...

Page 31: ...ied that temperature sensors and voltage phase monitor have been installed 10 Verified power supply agrees with chiller nameplate 11 Is power and communication wiring complete to each module 12 Verified that wiring and devices meet with approved electrical submittal drawings 13 Is required load available to run multiple compressors at start up 14 Is a water header bypass installed at the chiller C...

Page 32: ...motorized water isolation valves auxiliary switch dial settings to ensure they close near 30 for evaporator chilled water valves for cooling only units and hot water condener valves for Simultaneous Heating and Cooling units 10 Ƥ ǯ ǡ and that all VFD s are controlling the pump speeds to ơ the chiller bank headers measured precisely at the ơ Ǥ ơ 10 psid 11 Ƥ and module controllers as shown on the w...

Page 33: ...re by converting the discharge pressure to saturated refrigerant temperature using a pressure temperature chart Next measure the discharge line temperature 6 to 10 inches from the compressor Subtract the saturated condensing Ƥ discharge gas superheat If the DGSH is below 50 F degrees liquid refrigerant is still present in the suction gas vapor returning to the compressor The TXV will require addit...

Page 34: ... water condenser for Simultaneous Heating and Cooling aplication using the bottles provided three bags each bag Ȍ Ǥ Ƥ Ƥ in the bottles All the sample bottles must have labels completed per instructions included with the bottles Ship the bottles immediately to the appropriate water testing laboratory per the instructions Caution Do not charge to achieve subcooling temperature when the expansion val...

Page 35: ...cooling Temp F Evaporator Entering Water Temperature F Evaporator Entering Water Temperature F Evaporator Leaving Water Temperature F Evaporator Leaving Water Temperature F Condenser Entering Air Temperature F Condenser Entering Air Temperature F Condenser Leaving Air Temperature F Condenser Leaving Air Temperature F Evaporator Pressure Differential psig Evaporator Pressure Differential psig Softw...

Page 36: ...wer temperature drop on the evaporator depending on application Consult the bank performance sheet for your Ƥ Ǥ drop rise is greater than the design your heat ƪ strainer may need to be cleaned Visually inspect inner and outer condenser coil slab and Ƥ Ǥ cleaner If a vacuum cleaner is not available a soft non metallic brush may be used In either case brush in the Ƥ and damaged Ƥ applied in coastal ...

Page 37: ...n the application and the transfer medium the impeller has a natural wear Deposits on the impeller can lead to imbalance fracture damage or disintegration Proper maintenance must be provided In case of imbalance rebalance the impeller Cleaning The use of paint solvents abbrasive and or aggresive cleaners are prohibited Cleaning with a Water Jet Make sure that water does not get inside the motor an...

Page 38: ...te cleaning for most situations The solution can be pumped through the heat exchangers and allowed to soak for a time and then pumped again Upon successful cleaning of a module proceed to isolate a second module separately from the bank and repeat the cleaning process Chemical Clean In Place Washing With Water Isolation Valves Chemical Clean in place washing will typically provide the best debris ...

Page 39: ...rain Isolation Ball Valve 2 2 1 2 or 3 Figure 26 City Water Cleaning Arrangement Figure 27 In Place Cleaning Arrangement Notes 1 ǡ ƪ ƪ Ǥ 2 Be sure to open all manual valves before unit is put back into operation WĞƚĞΖƐ WŽƌƚƐ ƐŽůĂƚŝŽŶ Ăůů sĂůǀĞƐ Ϯ Ϯ Ъ Žƌ ϯΗͿ ĞƌǀŝĐĞ WŽƌƚ ϯ ϰΗͿ ĞĂƚ ǆĐŚĂŶŐĞƌ ZĞĨƌŝŐĞƌĂŶƚ ŝƌĐƵŝƚ ĞƌǀŝĐĞ WŽƌƚ ϯ ϰΗͿ ZĞĨƌŝŐĞƌĂŶƚ ŝƌĐƵŝƚ ĞĂĚĞƌ ĞĂĚĞƌ dŽ ŽŽůŝŶŐ dŽǁĞƌ ƌŽŵ ŽŽůŝŶŐ dŽǁĞƌ ůĞĂŶŝŶŐ dĂ...

Page 40: ...glass for longer than four to six hours Compressor Information Adding Oil The compressor must never be ran in a vacuum A suitable hydraulic pump should be used to add oil and reserved for this process Ƥ to adding to a compressor Oil should only be added to a compressor while it is operating to observe valid oil sight Ǥ Ǧ process port at the bottom of the compressor housing Only enough oil should b...

Page 41: ...RIGERANT CIRCUIT 1 CHILLER OUTLET WATER MAIN 6 COMPONENT LEGEND 1 COMPRESSOR 2 HIGH PRESSURE SWITCH 3 HOT GAS BYPASS VALVE IF USED 4 HOT GAS BYPASS SOLENOID VALVE IF USED 5 AIR COOLED CONDENSER SECTION 6 FILTER DRIER 7 SIGHT GLASS MOISTURE INDICATOR 8 LIQUID LINE SOLENOID VALVE 9 THERMAL EXPANSION VALVE 10 CHILLER EVAPORATOR HX S1 DISCHARGE TEMPERATURE SENSOR S2 LEAVING CHILLER WATER TEMP SENSOR S...

Page 42: ... SWITCH 3 HOT GAS BYPASS VALVE IF USED 4 HOT GAS BYPASS SOLENOID VALVE IF USED 5 AIR COOLED CONDENSER SECTION 6 LOW AMBIENT CONTROL VALVE LAC ONLY ONE LAC VALVE IS REQUIRED PER CIRCUIT ON 20 30 TON MODELS 7 LIQUID LINE CHECK VALVE 8 LIQUID LINE BALL VALVE 1 9 LIQUID RECEIVER 10 PRESSURE RELIEF VALVE 11 LIQUID LINE BALL VALVE 2 12 FILTER DRIER 13 SIGHT GLASS MOISTURE INDICATOR 14 LIQUID LINE SOLENO...

Page 43: ...ANT CIRCUIT 1 CHILLER OUTLET WATER MAIN 6 20321 17 1 1 COMPRESSOR 2 HIGH PRESSURE SWITCH 3 REVERSING VALVE 4 AIR COIL 5 HEATING THERMAL EXPANSION VALVE 6 CHECK VALVE 7 BI FLOW FILTER DRIER 8 CHECK VALVE 9 COOLING THERMAL EXPANSION VALVE 10 BRAZED PLATE HEAT EXCHANGER 11 SUCTION LINE ACCUMULATOR S1 DISCHARGE TEMPERATURE SENSOR S2 LEAVING CHILLER WATER TEMP SENSOR S3 SUCTION TEMPERATURE SENSOR PT1 D...

Page 44: ...h in turn increases the condensing pressure At the same time the hot gas raises liquid pressure in the receiver allowing the system to operate normally LAC 10 Valve Operation The valve designation LAC stands for Low Ambient Control The LAC is a three way modulating valve that responds to receiver pressure As shown in Figure 28 the receiver pressure acts under the diaphragm As the receiver pressure...

Page 45: ...00 microns absolute pressure or better must be reached and sustained for several hours in order for the system to be considered free from moisture It is necessary to use a micron meter equipped with an absolute pressure gauge or transducer to take this reading ClimaCool recommends the double evacuation process to ensure the proper removal of moisture and contaminants from the refrigeration system ...

Page 46: ...bcooling circuits and rated for 650 psig Condenser fan s shall be ultra quiet direct drive axial type with EC variable speed motors and integral head pressure control Compressors Each module shall contain two scroll compressors independently circuited for redundancy Each compressor shall be mounted with rubber isolated compressor mounts to the module base and each shall include compressor overload...

Page 47: ...d for individual control as well as system integration Simple two conductor shielded daisy chain connection to allow communication between Ƥ Ǥ enclosure panel shall consist of power distribution block control transformer compressor and condenser fan contactors and fusing isolation relays 16 bit microprocessor control and two toggle switches to disable each individual compressor during startup or t...

Page 48: ...nless steel Ǥ Ƥ bank for ease of service Motorized or Manual Water Isolation Valves and Flush Ports ƪ shall provide isolation to the module for maintenance and modules continue normal operation Both motorized and Χǳ Ƥ ƪ Ǥ Note Ƥ Ǥ Available choices include One each motorized valve for evaporator with one each manual valves for the evaporator Two each manual valves for the evaporator ơ Field instal...

Page 49: ... the internal pressure exceed the maximum rated pressure of the strainer Strainer Installation Recommendations Follow the recommended guidelines below for strainer installation 1 Ƥ ǡ supporting surface Failure to do so can cause stress Ǥ be poured under the base of the strainer The weight of the CS strainer should not be supported by the main water lines connecting it 2 The inlet and outlet connec...

Page 50: ...trainer element conical screen out of the strainer body Step 3 Carefully scrub down the strainer element with a rigid nylon brush until all matter is loosened Do not use a steel brush Step 4 ơ Ǥ Ƥ amount of water pressure Do not use a pressure washer Step 5 Wash all matter from the strainer gaskets and clean the inner ring where the bottom of the strainer element rests Step 6 Ǧ Ƥ to the bottom of ...

Page 51: ...er hammer Careful attention should be given to the design and control strategy for valves and pumps so their actions do not invite a water hammer Stainless Steel Strainer Options Automatic Timer Flush ATF Package Option Ǧ Ǧ Ǥ ƪ ƪ strainer s reservoir The power supply and timer controls for the valve package are housed inside the ATF control box Ǧ ƪ ƪ Ǥ System Components 1 Timer based valve control...

Page 52: ...y close Ǩ Ǧ Ƥ to avoid getting caught in the moving parts The electric ƥ personal injury Take precaution when handling Water Resistance The valve and controller are water resistant not water proof Do not install below ground level where the component can be submerged in water Only remove the cover plate from the valve controller when setting or ƪ Ǥ the unit during normal operation ơ ơ ȋ Ȍ monitors...

Page 53: ...d level where the box can be submerged in water Do not remove the cover plate from the PDA controller Keep the cover tightly sealed on the module during normal operation Problem ͻ Seals damaged or worn out ͻ Install repair kit ͻ Valve is not stopping at proper closed position ͻ Adjust limit switches Valve stem leaks ͻ Worn stem seals ͻ On metal valves tighten stem packing nut 1 2 turn CAUTION Over...

Page 54: ...nt requiring protection 3 To provide for easier maintenance the WYE strainer should be located where the drain plug can be removed Additionally ensure the drain is located at the lowest position when installed If installed in the vertical position the WYE side of the strainer must be pointing downward ϰ Ensure there is ample space at the WYE side of the strainer for screen removal 5 Before placing...

Page 55: ... size and construction determine the maximum pressure drop that a strainer screen can withstand Screen Removal Cleaning Replacement 1 Isolate the strainer by closing the inlet and outlet valve connections on either side of the WYE strainer Make sure valves are bubble tight 2 ƪ from the strainer 3 Once pressure is relieved remove the WYE side cap or cover WYE Strainers ϰ Remove screen and clean Do ...

Page 56: ...he basket strainer 3 Place the basket strainer into the pipeline ensuring that ƪ ƪ Ǥ or heavy strainers lift the basket strainer into place using slings positioned underneath the inlet and outlet connections Figure 38 Installed Basket Strainer with Bolted Cover Figure 39 Bolting Sequence Pattern ǣ ƪ Ǥ ƪ Ǥ Operation Once proper installation has been successfully completed start the system gradually...

Page 57: ... outlet sides of the strainer The maximum acceptable pressure drop across the strainer will indicate when the screen needs to be replaced Screen size and construction determine the maximum pressure drop that a strainer screen can withstand Please consult factory for exact pressure ratings Strainer Element Cleaning Before removing the cover of the basket strainer the pressure inside the vessel must...

Page 58: ...138 1 172 6 635 0 300 0 225 0 UCA070BF UCA070BFASAC00S 460V 3PH 60HZ 133 3 148 9 200 0 175 0 200 0 8 0 10 0 10 0 62 4 78 0 280 0 125 0 100 0 UCA070BN UCA070BNASAC00S 575V 3PH 60HZ 108 0 120 5 150 0 150 0 175 0 7 6 9 5 7 5 50 0 62 5 225 0 100 0 80 0 Power Wiring per Module Internal Wiring Cond Fans 10 Internal Wiring per Compressor Voltage ClimaCool Base Model Typical Model NOTES 1 RLA Rated Load A...

Page 59: ...he largest compressor motor plus 100 of the RLA of all other concurrent motors and or electrical loads 3 MOP Maximum Overcurrent Protection or Max Fuse Size is rounded down from 225 of the RLA of the largest compressor motor plus 100 of the RLA of all other concurrent electrical loads 4 Recommended Dual Element Fuse Sizing Rounded up from 150 of the RLA of the largest compressor motor plus 100 of ...

Page 60: ...Cable Shields Do not ground the shield to earth ground or to the control module s power ground The PROT485 and the individual ƪ so that there are no ground loops If the voltage on the shield becomes too great relative to the earth ground then ơ PROT485 or on the control modules Noise Avoidance Avoid running communication wires or sensor input wires next to AC power wires or the control module s re...

Page 61: ...59 R R www climacoolcorp com Wiring Diagram UCA020 Cooling Only 208 230v 460v ...

Page 62: ...R R www climacoolcorp com 60 Wiring Diagram UCA020 Cooling Only 208 230v 460V ...

Page 63: ...61 R R www climacoolcorp com Wiring Diagram UCA020 HeatPump 208 230v 460v ...

Page 64: ...R R www climacoolcorp com 62 Wiring Diagram UCA020 HeatPump 208 230v 460v ...

Page 65: ...63 R R www climacoolcorp com Wiring Diagram UCA020 Heat Pump 575v ...

Page 66: ...R R www climacoolcorp com 64 Wiring Diagram UCA020 Heat Pump 575v ...

Page 67: ...65 R R www climacoolcorp com Wiring Diagram UCA020 SHC Heat Pump 208 230v 460v ...

Page 68: ...R R www climacoolcorp com 66 Wiring Diagram UCA020 SHC Heat Pump 208 230v 460v ...

Page 69: ...67 R R www climacoolcorp com Wiring Diagram UCA030 Cooling Only 208 230v 460v ...

Page 70: ...R R www climacoolcorp com 68 Wiring Diagram UCA030 Cooling Only 208 230v 460v ...

Page 71: ...69 R R www climacoolcorp com Wiring Diagram UCA030 Cooling Only 575v ...

Page 72: ...R R www climacoolcorp com 70 Wiring Diagram UCA030 Cooling Only 575v ...

Page 73: ...71 R R www climacoolcorp com Wiring Diagram UCA030 Heat Pump 208 230v 460v ...

Page 74: ...R R www climacoolcorp com 72 Wiring Diagram UCA030 Heat Pump 208 230v 460v ...

Page 75: ...73 R R www climacoolcorp com Wiring Diagram UCA030 Heat Pump 575v ...

Page 76: ...R R www climacoolcorp com 74 Wiring Diagram UCA030 Heat Pump 575v ...

Page 77: ...75 R R www climacoolcorp com Wiring Diagram UCA030 SHC Heat Pump 208 230v 460v ...

Page 78: ...R R www climacoolcorp com 76 Wiring Diagram UCA030 SHC Heat Pump 208 230v 460v ...

Page 79: ...77 R R www climacoolcorp com Wiring Diagram UCA030 SHC Heat Pump 575v ...

Page 80: ...R R www climacoolcorp com 78 Wiring Diagram UCA030 SHC Heat Pump 575v ...

Page 81: ...79 R R www climacoolcorp com Wiring Diagram UCF030 Free Cooling 208 230v 460v ...

Page 82: ...R R www climacoolcorp com 80 Wiring Diagram UCF030 Free Cooling 208 230v 460v ...

Page 83: ...81 R R www climacoolcorp com Wiring Diagram UCF030 Free Cooling 575v ...

Page 84: ...R R www climacoolcorp com 82 Wiring Diagram UCF030 Free Cooling 575v ...

Page 85: ...83 R R www climacoolcorp com Wiring Diagrams UCA070 Cooling Only 208 230v 460v ...

Page 86: ...R R www climacoolcorp com 84 Wiring Diagrams UCA070 Cooling Only 208 230v 460v ...

Page 87: ...85 R R www climacoolcorp com Wiring Diagrams Master Control Panel ...

Page 88: ...R R www climacoolcorp com 86 Wiring Diagrams Master Control Panel ...

Page 89: ...87 R R www climacoolcorp com Wiring Diagrams Expansion Board SHC Heat Pump ...

Page 90: ...njury or death Unit to be serviced by TXDOL HG SHUVRQQHO RQO Refrigerant system under pressure Relieve pressure before using torch Recover refrigerant and store or dispose of properly Debrancher avant d entre prendre le dépannage de l appareil Consulter un UpSDUDWHXU TXDOL H SRXU OH dépannage Risque de choc électrique Résiltat de mai dans dommages ou la mort Conifer la maintenance à XQ WHFKQLFLHQ ...

Page 91: ...rs 11 Products which have been subjected to misuse negligence or accidents 12 Products which have been operated in a manner contrary to CC s printed instructions 13 Products which have defects damage or insufficient performance as a result of insufficient or incorrect system design or the improper application of CC s products 14 Products which have defects or damages due to freezing of the water s...

Page 92: ...xpress warranties and do not form the basis of any bargain between the parties but are merely ClimaCool s opinion or commendation of its products Ǯ and related logo is a trademark owned by the U S Green Building Council and is used with permission Doc 97B0089N01 ClimaCool Corp 2012 Rev 7 15 15 S Virginia Oklahoma City OK 73106 Phone 405 815 3000 Fax 405 815 3052 www climacoolcorp com ...

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