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INSTALLATION, OPERATION & MAINTENANC EE

1. DW NID fa 3000 1Hp 460 3 Ph 60 1725 Automatic E56 Rod O D P CW 24 x 16 Pitch SAFETY Avoid personal injury or equipment damage by disconnecting electrical power before working on the motor s Do not remove the door s while the unit is connected to electrical power MAINTENANCE 1 There are no lubrication points therefore no lubrication is necessary 2 Make sure the blade runs in the correct direction 3 Clean the outside of the motor as necessary www dimplextl fmalsolutions com Phone 800 968 5665 GG amp L A GOULDS PUMPS COMPANY Installation Operation and Maintenance Instructions Model NPE NPE F DESCRIPTION amp SPECIFICATIONS The models NPE close coupled and NPE F frame mounted are end suction single stage centrifugal pumps for general liquid transfer service booster applications etc Liquid end construction is all AISI Type 304 stainless steel stamped and welded Impellers are fully enclosed non trimable to immediate diameters Casings are fitted with a diffuser for efficiency and for negligible radial shaft loading Close coupled units have NEMA 48J or 56J motors with C face mounting and threaded shaft extension Framemounted units can be coupled to motors through a spacer coupling or belt driven 1 1 Inspect unit for damage Report any damage to carrier dealer immediately 1 2
2. wave washer valve bonnet bonnet gasket Tapped hole in core 0 250 28 UNE 2B 0 38 minimum full thread DC valve body Sz Alternate Construction 3 4 Bonnet Construction 15 16 Bonnet Construction Figure 1 Series 8016G solenoids See torque chart for bonnet screws 22 GC E Remove red cap and e 22 push solenoid down red cap Then pry here to lift c nameplate retainer nameplate Dee a grounding wire and push to remove retainer rae green or green with gt spacer lt yellow stripes 28 solenoid c e uc retainer bw 1 PL finger spring Geh washer washer 062 to 093 maximum valve thickness of panel solenoid base bonnet valve for mounting sub assembly bonnet For special wrench core h adapter order kit tube onu T No K218948 4 plugnut core tube T sub assembly E 312 diameter mounting hole M E 0 69 diameter Se mounting hole core Bolted Bonnet i Construction 3 4 Bonnet Construction 15 16 Bonnet Construction Figure 2 Series 8016G solenoid Figure 3 Series 8016G panel mounted solenoids Form No V6583R7 Page 3 of 4 gt www dimplexthermalsolutions com ASUS 50 Hanover Road Florham ParkPhine 8089682969 www ascovalve com Part Open Frame Solenoid with 1 4 Spade Terminals See torque chart above
3. Figure 4 Figure 5 4 Discharge Piping 4 1 Arrangement must include a check valve located between a gate valve and the pump The gate valve is for regulation of capacity or for inspection of the pump or check valve 4 2 If an increaser is required place between check valve and pump 4 3 Use 3 4 wraps of Teflon tape to seal threaded connections 5 Motor T o Pump Shaft Alignment 5 1 Close coupled Units 5 1 1 No field alignment necessary 5 2 Frame Mounted Units 5 2 1 Even though the pump motor unit may have a factory alignment this could be disturbed in transit and must be checked prior to running Figure 6 5 2 2 Tighten all hold down bolts before checking the alignment 5 2 3 If re alignment is necessary always move the motor Shim is required 5 2 4 Parallel misalignment shafts with axis parallel but not concentric Place a dial indicator on one hub and rotate this hub 360 while taking readings on the outside diameter of the other hub Parallel alignment occurs when Total indicator reading is 005 or less 5 2 5 Angular misalignment shafts with axiz parallel but not concentric Place dial indicator on one hub and rotate this hub 360 while taking readings on the face of the other hub Angular alignment is achieved when Total Indicator Reading is 005 or less 5 2 6 Final alignment is achieved when parallel and angular requirements are satisfied with motor hold down bolts tight
4. 2 1 4 piping must be supported independently of the pump and must line up naturally CAUTION Never draw piping into place by forcing the pump suction and discharge connections 2 1 5 Avoid unnecessary fittings Select sizes to keep friction losses to a minimum 2 2 Close Coupled Units 2 2 1 Units may be inclined or vertically CAUTION Do not install with motor below pump Any leakage or condensation will affect the motor 2 2 2 Foundation must be flat and substantial to eliminate strain when tightening bolts Use rubber mounts to minimize noise and vibration 2 2 3 Tighten motor hold down bolts before connecting piping to pump 2 3 Frame Mounted Units 2 3 1 Bedplate must be grouted to a foundation with solid footing Refer to Fig 1 installed horizontally IMO13R01 Figure 1 www dimplexthermalsolutions com Phone 800 968 5665 2 3 2 Place unit in position on wedges located at four points two below approximate center of driver and two below approximate center of pump Adjust wedges to level unit Level or plumb suction and discharge flanges 2 3 3 Make sure bedplate is not distorted and final coupling alignment can be made within the limits of movement of motor and by shimming if necessary 2 3 4 Tighten foundation bolts finger tight and build dam around foundation Pour grout under bedplate making sure the areas under pump and motor feet are solid Allow grout to harden 48 hours before fully t
5. Electrical supply must be a separate branch circuit with fuses or circuit breakers wire sizes etc per National and local electrical codes Install an all leg disconnect switch near pump CAUTION Always disconnect electrical power when handling pump of controls 1 3 Motors must be wired for proper voltage Motor wiring diagram is on motor nameplate Wire size must limit maximum voltage drop to 1096 of nameplate voltage at motor terminals or motor life and pump performance will be lowered 1 4 Always use horsepower rated switches contactor and starters 1 5 Motor Protection 1 5 1 Single phase Thermal protection for single phase units is sometimes built in check nameplate If no builtin protection is provided use a contactor with a proper overload Fusing is permissible 1 5 2 Three phase Provide three eg protection with properly sized magnetic starter and thermal overloads 1 6 Maximum Operating Limits Liquid Temperature 212F 100C with standard seal 250F 120C with optional high temp seal Pressure 75 PSI Starts Per Hour 20 evenly distributed 1 7 Regular inspection and maintenance will increase service life Base schedule on operating time Refer to section 8 15 2 Installation 2 1 General 2 1 1 Locate pump as near liquid source as possible below level of liquid for automatic operation 2 1 2 Protect from freezing or flooding 2 1 3 Allow adequate space for servicing and ventilation
6. F then set the alarm temperature at 60 F The alarm will sound at 60 F 3 Press button 4 to turn the alarm off if necessary After the cause of the alarm has been found be sure to turn the alarm back on 4 Alarm Feature The high temperature alarm does not function when the compressor and water pump switch is in the off position for example during the night shut down When the compressor and water pump switch is turned on in the morning the alarm will not sound even if the water temperature is above the set point however the red fault light number four on page 8 will remain on until a temperature below the set point is reached The audible alarm will sound again unless the water temperature rises again above the set point CHECKING TEMPERATURE SET POINTS To check temperature set points just press 2 for compressor and 3 for alarm set points CAUTION Check low voltage this is a 24 Volt system Be sure you check the 24 Volt circuit at the main panel and remote panel REMOTE WIRING SOLID STATE CONTROL This unit is designed for remote control We have supplied the wire to connect the main water chiller control panel to the remote panel Make sure you connect the remote wire colors to match the terminal block in the electrical enclosure There is a diagram insert with colors to match the numbers on the terminal block The thermocouple wire is a special wire and cannot be spliced to other types of wiring The main c
7. tapped hole for 10 32 grounding screw not included Junction Box Solenoid with 1 4 Spade Terminals or Screw Terminals center screw Torque Chart Open Frame Solenoid with Screw Terminals Socket head screw is used for grounding screw terminal 4 adapter E 1 0 6 0 1 Solenoid with DIN Terminals indicates parts supplied in Termination Module Kit No K256104 gasket DIN terminal 4 adapter Dm terminal T block socket head grounding screw 5 32 hex key wrench screw terminal block see note N Ss J cover junction box gasket Note Junction box with screw terminals shown With screw terminal block removed remaining parts comprise the junction box for spade terminal construction Open Frame Solenoid with DIN Terminal Plug Connector See torque chart above Notes 1 Connector cover may be rotated in 90 increments from position shown for alternate position of cable entry Refer to markings on DIN connector for proper electrical connections junction box with 1 2 conduit connection and grounding terminal DIN terminal adapter connector 3 gasket socket head screw 5 32 hex key wrench DIN connector terminal block see note 2 connector cover see note 1 socket head screw 5 32 hex key wrench cover screw See torque chart above grounding screw and
8. 100AC 1 4 Hp 115 208 230 1 Ph 60 1725 Automatic G48 Rod O D P CW 16 x 26 Pitch 100AC 1 4 Hp 460 3 Ph 60 1140 Automatic L48 Rod O D P CW 16 x 26 Pitch 150AC 1 4 Hp 208 230 460 3 Ph 60 1140 Automatic L48 Rod O D P CW 16 x 26 Pitch 200AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 300AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 400AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 500AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 600AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 750AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 800AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 1001AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 1000 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 1250AC 1 2 Hp 208 230 460 3 Ph 60 1140 Automatic F56 Rod O D P CW 18 x 24 Pitch 1500 1Hp 208 230 460 3 Ph 60 1725 Automatic E56 Rigid O D P CW 24 x 16 Pitch 2000 1Hp 208 230 460 3 Ph 60 1725 Automatic E56 Rigid O D P CW 24 x 16 Pitch 2500AC 1Hp 230 460 3 Ph 60 1725 Automatic E56 Rod O D P CW 24 x 16 Pitch
9. CAUTION Always recheck both alignments after making any adjustment 6 Rotation 6 1 Correct rotation is right hand clockwise when viewed from the motor end Switch power on and off quickly Observe shaft rotation To change rotation www dimplexthermalsolutions com Phone 800 968 5665 6 1 1 Single phase motor Non reversible 6 1 2 Three phase motor Interchange any two power supply leads 7 1 Before starting pump must be primed free of air and suction pipe full of liquid and discharge valve partially open CAUTION Pumped liquid provides lubrication If pump is run dry rotating parts will seize and mechanical seal will be damaged Do not operate at or near zero flow Energy imparted to the liquid is converted into heat Liquid may flash to vapor Rotating parts require liquid to prevent scoring or seizing 7 2 Make complete check after unit is run under operating conditions and temperature has stabilized Check fro expansion of piping On frame mounted units coupling alignment may have changed due to the temperature differential between pump and motor Recheck alignment 8 Maintenance 8 1 Close coupled Unit Ball bearings are located and are part of the motor They are permanently lubricated No greasing required 8 2 Frame Mounted Units 8 2 1 Bearing frame should be re greased every 2 000 hours or three month interval whichever occurs first Use a 2 sodium or lithium based grease Fill until grea
10. REMEDY Check Power supply Correct circuit breaker Electrical circuit Repair or replace bad circuit Check Compressor won t run Line load voltage Correct voltage condition Temperature control Repair or replace Compressor overload Replace Low pressure switch Repair or replace High pressure switch Repair or replace Manual switch Replace Compressor Replace All control circuit Repair Compressor runs Refrigerant leak Repair leak and recharge No refrigeration Stuck expansion valve Replace expansion valve Condenser motor Repair or replace motor High pressure trips Air over condenser restricted Clean condenser Service panel not in place Install service panel Low pressure switch Defective expansion Replace expansion valve Cutting out Refrigerant leak Repair leak Dial thermometer Re adjust or replace Temperature too high Temperature controller Replace Water pump off Check controls circuit Temperature controller Repair or replace Temperature too cold Dial thermometer Out of adjustment Water pump Not circulating water 25 www dimplexthermalsolutions com Phone 800 968 5665 TROUBLE SHOOTING PART II REFRIGERATION SYSTEM INTERNAL PRESSURE USING REFRIGERANT R 22 High Pressure Switch Manual Reset Cut out at 425 P S I Low Pressure Switch Automatic Reset Cut out at 25 P S I WORKING REFRIGERANT PRESSURES R 22 High Pressure 185 to 325 P S I Low Pressure 45 to 70 P S I N OTE These pressures
11. are under normal ambient temperatures and chilled water temperatures 26 www dimplexthermalsolutions com Phone 800 968 5665 CONDENSER DIAL THERMOMETER optional ELECTRICAL CONTACTORS TEMPERATURE CONTROL optional INDICATOR LIGHTS SWITCHES DISCONNECT POWER TRANSFORMER TERMINAL STRIP CHILLER PARTS IDENTIFICATION FAN MOTOR BLADES HIGH PRESSURE SWITCH LISTED e www dimplexther Phone 8 LOW PRESSURE SWITCH CHILLERS olutions com 4968 5665 EXPANSION REFRIGERATION VALVE HEAT EXCHANGER WATER LEVEL INSULATION CHILLED WATER RETURN WATER RESERVOIR SUCTION LINE HEAT EXCHANGER DRIER REFRIGERATION SIGHT GLASS COMPRESSOR RECEIVER WATER PUMP If this unit has special feature s installed see appendix for part number s Part Number Refrigeration R117 R118 R124 R124 W R132 R140 4 R141 1 R146 1 R153 R168 R180 R184 R185 Electrical E101 E101 H CE2 E101 S E103 E104 E112 E113 E115 E122 E124 3 E126 E128A BK E128P D E128P R E129 E130 E136 30 E145 E148 E153 20 Plumbing P124 S 145 2 P149 WSGA P151 WSG P151 1 0 P153 P160 1 0 P160 2 PARTS LIST 400AC WC 460 3 or 230 3 MRI UNITS ONLY Description Compressor 220 3 4 HP Compressor 440 3 4 HP Condenser Air Cooled Condenser Water Cooled Receiver 5 Ton Expansion Valve 4 HW Expansion Valve Flange Refrigeration Sig
12. cup washer socket head screw 5 32 hex key wrench Indicates that these parts are included in DIN plug connector Kit No K236034 glandnut 3X gland gasket washer X center Screw Figure 6 DIN plug connector kit No K236034 optional feature Page 4 of 4 ASVA 50 Hanover Road Florham P www dimplexthermalsolutions com Form No V6583R7 ark NevwPliense 800 988 5685w ascovalve com GB X GENERAL INSTALLATION AND MAINTENANCE INSTRUCTIONS Note These General Installation and Maintenance Instruc tions must be read in conjunction with the Instruction Sheet for the specific product INSTALLATION ASCO JOUCOMATIC components are intended to be used only within the technical characteristics as specified on the nameplate Changes to the equipment are only allowed after consulting the manufacturer or its representative Before installation depressu rize the piping system and clean internally The equipment may be mounted in any position if not otherwise indicated on the product by means of an arrow The flow direction and pipe connection of valves are indicated on the body The pipe connections have to be in accordance with the size indicated on the nameplate and fitted accordingly Caution e Reducing the connections may cause improper operation or malfunctioning e For the protection of the equipment install a strainer or filter Suitable for the service involved in the inlet side as close to the
13. leak repairs or compressor replacement Eliminating air within the system prevents ignition at or in the hermetic compressor if a terminal should vent thereby reducing the hazard potential To reduce the possibility of external ignition all open flame electrical power and other heat sources should be extinguished or turned off prior to servicing a system Before using a soldering or welding torch to remove or repair tubing make sure all the system refrigerant charge has safely been released A venting terminal presents no danger to servicing personnel or anyone else in the vicinity if the compressor terminal PROTECTIVE COVER is properly in place as shown on Tecumseh Products Company drawings and diagrams using the parts as shown on Tecumseh Products Company bills of material 20 www dimplexthermalsolutions com Phone 800 968 5665 Hermetic compressors be properly serviced without unnecessarily removing the terminal PROTECTIVE COVER by adhering to the following service procedures 1 If the branch circuit short circuit and ground fault protective device i e fuse circuit breaker is open this is a strong indication that an electrical problem exists and must be found and corrected The circuit protective device rating must first be checked as required by the National Electrical Code and its maximum rating should coincide with that marked on the equipment nameplate and or on the unit wiring diagram and or instruc
14. material or workmanship for one year from the date of purchase If any part is found to be defective within the war ranty period Schreiber or its authorized service agent will replace or at Schreiber s options re pair the part free of charge for materials and labor This warranty does not cover damage caused by misuse accident abuse incorrect installation or operation In addition it does not cover damage occurring during transit or damage caused by or resulting from repair or modifications carried out by anyone other than Schreiber or its Authorized service Agent 562 926 3855 www dimplexthermalsolutions com Phone 280 068 5665 APPENDIX SPECIAL FEATURE www dimplexthermalsolutions com Phone 800 968 5665 SPECIAL FEATURES Manual Bypass This unit has an adjustable water by pass It can be adjusted in the field This feature cuts down the amount of flow of water coming out of the water pump Kit Number K08 12 Discharge Pressure Gauge There is a water pressure gauge on the water discharge line of the water pump reading the water pressure Kit Number k08 19 Pump Upgrade The standard water pump in this unit has been upgraded to a 2 HP stainless steel pump Part Number P124 S Low Level Warning and Cut Out The low level float is mounted in the chiller water reservoir It is a single float and installed normally closed opens at low water On models with electronic control panels the chiller ce
15. may be expelled venting the vaporous and liquid contents of the compressor housing and system If the hermetic compressor terminal PROTECTIVE COVER is not properly in place with its weatherproofing gasket if required and bale strap fastening device secured there is a remote possibility if a terminal vents that the vaporous and liquid discharge can be ignited spouting flames several feet causing potentially severe or fatal injury to anyone in its path The discharge from a venting terminal can be ignited external to the compressor if the terminal PROTECTIVE COVER is not properly in place and if the discharge impinges on a sufficient heat source such as but not limited to an open flame electric heater or an electrical spark Ignition of the discharge can also occur at the venting terminal or inside the motor compressor enclosure if there is sufficient contaminant air present in the system and an electrical arc occurs as the terminal vents Ignition cannot occur at the venting terminal without the presence of contaminant air and cannot occur externally from the venting terminal without the presence of an external ignition source It is therefore essential that any air in a refrigeration air conditioning or heat pump system be completely removed when the system is manufactured when the system is installed and whenever the system is field processed as a result of field service Field service includes but is not limited to
16. off the shaft with the seal housing 9 4 6 Push out the mechanical seal stationary seat from the motor side of the seal housing 9 5 Disassembly of Bearing Frame 9 5 1 Remove bearing cover 109 9 5 2 Remove shaft assembly from frame 228 9 5 3 Remove lip seals 138 amp 139 from bearing frame and bearing cover if worn and are being replaced 9 5 4 Use bearing puller or arbor press to remove all ball bearing 112 amp 168 10 Reassembly 10 1 All parts should be cleaned before assembly 10 2 Refer to parts list to identify required replacement items Specify pump index or catalog number when ordering parts 10 3 Reassembly is the reverse of disassembly 10 4 Observe the following when reassembling the bearing frame 10 4 1 Replace lip seals if worn or damaged 10 4 2 Replace ball bearings if loose rough or noisy when rotated 10 4 3 Check shaft for runout Maximum permissible is 002 1 10 5 Observe the following when reassembling the liquid end 10 5 1 All mechanical seal components must be in good condition or leakage may result Replacement of complete seal assembly whenever seal has been removed is a good standard practice 10 5 2 Inspect casing O ring 513 and replace if damaged This o ring may be lubricated with petroleum jelly to ease assembly 10 5 3 Inspect guidevane O ring 349 and replace if worn CAUTION Do not lubricate guidevane O ring 349 Insure it is not pinched by the impe
17. product as possible e f tape paste spray or a similar lubricant is used when tightening avoid particles entering the system e Use proper tools and locate wrenches as close as possible to the connection point e Toavoid damage to the equipment DO NOT OVERTIGHTEN pipe connections Do not use valve or solenoid as a lever e The pipe connections should not apply any force torque or Strain to the product ELECTRICAL CONNECTION In case of electrical connections they are only to be made by trained personnel and have to be in accordance with the local regulations and standards Caution e Turn off electrical power supply and de energize the electrical circuit and voltage carrying parts before starting work e All electrical screw terminals must be properly tightened ac cording to the standards before putting into service e Dependent upon the voltage electrical components must be provided with an earth connection and satisfy local regulations and standards _ The equipment can have one of the following electrical terminals e Spade plug connections according to 150 4400 3 x DIN 46244 when correctly installed this connection pro vides IP 65 protection e Embedded screw terminals in metal enclosure with Pg cable gland e Spade terminals AMP type e Flying leads or cables PUTTING INTO SERVICE Before pressurizing the system first carry out an electrical test case of solenoid valves energize the coil a few
18. thermocouple at its input If the extension happens to have dissimilar metals in both legs such as using T wire to extend a K probe you now have a cold junction of the wrong wire type a junction at the each of the splices and the hot junction In this case the readings on the meter will be not only inaccurate but almost unpredictable www dimplexthermalsolutions com Phone 800 968 5665 CHILLED WATER DISTRIBUTION PIPING The chilled water distribution piping is an important factor in the performance of the water chiller Proper piping will add to the LIFE of your chiller This chiller is designed to be a containment free system The chilled water piping should be the same NO BLACK IRON PIPE 1 If you are installing this water chiller to some existing chiller water lines Black or galvanized there is a good chance there will be rust in this system If you cannot flush this system clean then it should not be used A rust contaminated system will cause damage to the copper evaporator heat exchanger 2 Should this be a new system and you are installing chilled water piping We suggest using PVC piping if allowed It is a poor conductor of heat so you do not loose as much BTU capacity in the movement of the chilled water and there is no rusting Copper line will prevent any rusting but there is greater heat loss You might want to insulate these lines 3 Should the water chiller be installed next to your cooling load We would sugg
19. times and notice metal click signifying the solenoid operation SERVICE Most of the solenoid valves are equipped with coils for con tinuous duty service To prevent the possibility of personal or property damage do not touch the solenoid which can become hot under normal operation conditions SOUND EMISSION The emission of sound depends on the application medium and nature of the equipment used The exact determination of the sound level can only be carried out by the user having the valve installed in his system MAINTENANCE Maintenance of ASCO JOUCOMATIC products is dependent on service conditions Periodic cleaning is recommended the timing of which will depend on the media and service conditions During servicing components should be examined for excessive wear A complete set of internal parts is available as a spare parts or rebuild kit If a problem occurs during installation maintenance or in case of doubt please contact ASCO JOUCOMATIC or author ised representatives A separate Declaration of Incorporation relating to EEC Directive 89 392 EEC Annex Il B is available on request Please provide product identification number and serial numbers of products concerned The product complies with the essential requirements of the EMC Directive 89 336 EEC and amendments and the Low Voltage directives 73 23 EEC and 93 68 EEC A separate Dec laration of Conformity is available on request Please provide product identification nu
20. ENGINEERING The Finest Chiller Built in America Se Water Chiller Specifications Quality matters for the long term Trust the finest um Control Panel for 16 Condenser Fan 1 ompressor an 46 Made in America Dial Thermometer Water Level Sight Glass P Rated at the ARI Standard of 44 F chilled water at 95 F ambient Chilled Water Return 1 N PT ETL Tested and Approved Door P Large Stainless Steel Pump x Temperature d N Contoller Water Power ischarge Contaminate Free System with all Disconnect A 1 Non Ferrous Components Water Reservoir e Fill 2 N P T Pump Rotation Check P Highly Durable Powder Coated Finish P Energy Savings Design Which Does Not Use Hot Gas Bypass UE MODEL NUMBER CAPACITY BTU PER HOUR FLUID RESERVOIR CAPACITY 45 gallons 230 3 460 3 2 H P 12111 E Park Street WEIGHT VOLTAGE AMPERAGE CAUTION Do not overcharge this refrigeration system The refrigeration sight glass is only an indicator of the charging system The sight glass should never be filled when charging the system The sight glass will always be fuzzy Overcharging the system will damage the compressor FLUID CIRCULATING PUMP FLUID PUMP GPM THE SCHREIBER WARRANTY Schreiber Engineering warrants the product described herein against defective m
21. INSTALLATION OPERATION amp MAINTENANCE OWNERS MANUAL TABLE OF CONTENTS MOOS EE 1 2 chasse wees indian ws A M ERIS O AEE ER MEE cutee 3 Wiring Diagrami 5 Setting Solid State Controls amp Solid State Control 6 Chilled Water Distribution Piping Este a node Hise A EEN 8 installation ere ee 9 Sp cial INSUUCIONS eae E aD ei sina a ee 11 mde dq 14 Water PUMD 322 2 2 3 9913244048 RENE EE DOCERE RA 15 ge E NEE 19 ideal me 20 Crank Gase Heslers deed 23 Maintenance Information RR 24 Trouble Shooting e Part ME 25 Trouble Shooting Part EE 26 Chiller insat Mr ee EE die geed 27 28 Limited Warranty gedd Add 29 Special Feature s Appendix www dimplexthermalsolutions com Phone 800 968 5665 lt SUPERIOR QUALITY SINCE 1958 The AC is rated to meet or exceed the ARI American Refrigeration Institute s national standard of 44 F chilled water at 95 F ambient The design and components of this chiller are built to deliver a long life of commercial duty application for process equipment If you have any questions regarding load calculation installation service or parts please call our Service Department 562 926 3855 SCHREIBER
22. NG THE REFRIGERATION SYSTEM Failure to read and observe above precautionary warnings are serious offenses under Public Law 91 596 All employees are hereby notified that the employer and owner of this equipment under OSHA must take immediate disciplinary action up to and including dismissal for failure to read and comply with this notice To Comply With OSHA All Warning Signs Must Not Be Removed From This Water ment WATER CHILLER STARTING CHECKLIST PROPER VOLTAGE Check the voltage on the chiller to see that it matches your power supply CRANK CASE HEATER Power to the unit should be on for 3 hours prior to full usage to allow the crank case heater to heat the compressor PLEASE READ SECTION ON CRANK CASE HEATER ON PAGE 17 MOTOR ROTATION Make sure the fan motors and water pumps are running in the correct rotation If the water pumps run for more than a short period in the wrong direction the seal might back off the shaft To test if the water pumps are rotating in the correct direction turn the pump switch on and off quickly The compressor switch is used to test the fan motors rotation The compressors to this unit alwavs run in the correct rotation SERVICE ACCESS PANEL The service access panel must be in place when the unit is running If it is not in place the unit will cut off on the high pressure limit switch or be inefficient in its capacity Also it is dangerous to install panels while the u
23. OTECTIVE COVER and inspect for loose leads or insulation breaks in the lead wires If 6 indicates no visible problem carefully remove the leads at the compressor terminals CAUTION Damage can occur to the glass embedded terminals at this point if the leads are not properly removed which can result in the terminal venting and hot oil discharging No ignition however can occur if all power is disconnected and no external ignition source is present www dimplextherngafsolutions com Phone 800 968 5665 8 Repeat 5 testing carefully checking for ground directly between each compressor terminal C S amp R and ground 9 If once again a ground is indicated proceed to properly replace the compressor as it has failed and cannot be repaired 10 Itis important to note that a volt ohmmeter may be used only to check the resistance and or continuity of the motor windings This may be done as follows a For internal overload protected motor compressor the overload is located between the common terminal of the compressor and the common motor lead inside the compressor If the resistance reading between Common and Start or Common and Run is open infinity and the resistance reading between Start and Run indicates winding Resistance Values in the Tecumseh Hermetic Compressor Service Data Book then the internal protector is open and time must be allowed for it to reset Any Common and Start Common and Run and Start and Run resistance rea
24. Using a small screwdriver pry terminal block from connector cover 3 Use 12 18 AWG stranded copper wire rated at 90 or greater for connections Strip wire leads back approximately 1 4 for installation in socket terminals The use of wire end sleeves is also recommended for these socket terminals Maximum length of wire end sleeves to be approximately 1 4 Tinning of the ends of the lead wires is not recommended 4 Thread wire through gland nut gland gasket washer and connector cover NOTE Connector cover may be rotated in 90 increments from position shown for alternate positioning of cable entry 5 Check DIN connector terminal block for electrical markings Then make electrical hookup to terminal block according to markings on it Snap terminal block into connector cover and install center screw 6 Position connector gasket on solenoid and install plug connector Torque center screw to 5 1 in Ibs 0 6 1 1 Nm NOTE Alternating current AC and direct current DC solenoids are built differently To convert from one to the other it may be necessary to change the complete solenoid including the core and solenoid base sub assembly not just the solenoid Consult ASCO Installation of Solenoid Solenoids may be assembled as a complete unit Tightening is accomplished by means of a hex flange at the base of the solenoid The 3 4 bonnet construction Figure 1 must be disassembled for installation and installed wi
25. VALVE Notes All motors have internal overload protection unless otherwise shown Low Ambient ions L1 Blue 12 L3 Red On connection Black i 4 Electronic Controls Schreiber Engineering 562 926 3855 12111 Park St Cerritos CA 90703 562 926 0969 Fax SE 3 4 5 7 9 10 SPECIAL CONTROL FEATURES Control LED s for stage 1 amp 2 will indicate GREEN when the DIS CHARGE temperature is above their set point without time delay Power LED s for compressor 1 amp 2 will indicate GREEN when the contactor driver is ON after a call for cooling from the set point and after the time delay has occurred Temperature alarm will have a relay with dry contacts rated for 7A that will energize if DISCHARGE temperature is above set point The Alarm will have two modes of operation manual and auto reset Manual mode WILL require an operator to reset The alarm buzzer and relay will remain energized and the alarm silence button is pressed Auto mode will NOT require an operator to reset The alarm buzzer and relay will remain energized while the alarm condition exists unless the alarm silence button is pressed The audio buzzer will have a disable OFF ON selection jumper on the back side disabling may be required when alarms are being monitored remotely The LOW COOLANT indicator will light RED when the float switch contacts open This condition will turn off or inhibit the COMPRESSOR an
26. alog number prefix and watt rating on nameplate to determine maximum ambient temperature See valve installation and maintenance instructions for maximum fluid temperature NOTE For steam service refer to Wiring section Junction Box for temperature rating of supply wires Temperature Limitations For Series 8016G Solenoids for use on Valves Rated at 6 1 8 1 9 1 10 6 or 11 1 Watts Watt Catalog Class of Maximum Rating Number Coil Insulation Ambient Temp Prefix 6 1 8 1 None FB 9 1 amp 11 1 SP SC amp SD F 125 F 51 7 C 6 1 8 1 HB HT KB KH 9 1 amp 11 1 SS ST SU amp ST 140 F 60 C None KF amp SC F 104 F 40 C HT KH SU amp ST H 104 F 40 C Minimum ambient temperature 40 40 C Positioning This solenoid is designed to perform properly when mounted in any position However for optimum life and performance the solenoid should be mounted vertically and upright to reduce the possibility of foreign matter accumulating in the solenoid base sub assembly area Wiring Wiring must comply with local codes and the National Electrical Code solenoids supplied with lead wires are provided with a grounding wire which is green or green with yellow stripes and a 1 2 conduit connection To facilitate wiring the solenoid may be rotated 360 For the watertight and explosionproof solenoid electrical fittings must be approved for use in the
27. approved hazardous locations Additional Wiring Instructions For Optional Features Open Frame solenoid with 1 4 spade terminals For solenoids supplied with screw terminal connections use 12 18 AWG stranded copper wire rated at 90 C or greater Torque terminal block screws to Page 1 of 4 Printed in U S A Implexthermalsoiutions com ond 6603868 ae Com 10 2 in Ibs 1 0 1 2 Nm A tapped hole is provided in the solenoid for grounding use 10 32 machine screw Torque grounding screw to 15 20 in Ibs 1 7 2 3 Nm On solenoids with screw terminals the socket head screw holding the terminal block to the solenoid is the grounding screw Torque the screw to 15 20 15 1 7 2 3 Nm with a 5 32 hex key wrench Junction Box The junction box is used with spade or screw terminal solenoids only and is provided with a grounding screw and a 1 2 conduit connection Connect 312 18 AWG standard copper wire only to the screw terminals Within the junction box use field wire that is rated 90 or greater for connections For steam service use 105 C rated wire up to 50 psi or use 125 C rated wire above 50 psi After electrical hookup replace cover gasket cover and screws Tighten screws evenly in a crisscross manner DIN Plug Connector Kit No K236 034 1 The solenoid is provided with DIN terminals to accommodate the DIN plug connector kit 2 Remove center screw from plug connector
28. ases operation when a low water situation occurs a warning light on the control panel will illuminate On models with standard controls a low level condition illuminates the low level warning lamp only There is no cut out Water must be added immediately or the unit can be severely damaged For both control styles normal operation will resume when the tank is filled Kit Number K08 23 Top Fill A 2 top fill port has been added to the top of this unit instead of automatic water level control This should allow the customer to pour water or other treatment products directly into the chiller No Kit Number Pump Operation Auxiliary Contact A pressure switch is mounted on case of the pump This switch will be closed when the pump is operating In the event of a pump failure the switch will open The switch is also open when the power is off to the pump Kit Number K08 34 High Temperature Auxiliary Contact High Temperature auxiliary contact opens when the temperature exceeds the high temperature ser point on the control panel Kit Number K08 33 www dimplexthermalsolutions com Phone 800 968 5665 SERVICE NOTICE ASCO solenoid valves with design change letter G in the catalog number example 8210G 1 have an epoxy encapsulated ASCO Red Hat solenoid This solenoid replaces some of the solenoids with metal enclosures and open frame constructions Follow these installation and maintenance instruc
29. aterial or workman ship for one year from the date of purchase If any part is found to be defective within the warranty period Schreiber Engineering or its authorized service agent will replace or at Schreiber s options repair the part free of charge for materials and labor This warranty does not cover damage caused tel 5 62 92 6 38 55 by misuse accident abuse incorrect installation or operation in addition it does not cover damage occurring during transit or damage caused by or resulting from repair or modifications carried out by fax 562 926 0969 anyone other than Schreiber Engineering or its Authorized Service Agent Cerritos CA 90703 www schreibereng com 2000 Schreiber Engineering Corp e 400 Specifications subject to change www dimplexthermalsolutions com Phone 800 968 5665 A WARNING A ELECTRICAL HAZARDS 1 TURN OFF MAIN POWER DISCONNECT SWITCH ON THIS MACHINE BEFORE ATTEMPTING TO SERVICE THIS EQUIPMENT 2 THIS MACHINE IS PORTABLE DISCONNECT ALL POWER SOURCES BEFORE REMOVING CONTROL COVERS 3 USER IS RESPONSIBLE FOR LOSS OF OR FAILURE TO USE AND MAINTAIN ANTI HAZARD PROTECTIVE COVERS FOR ELECTRICAL EQUIPMENT AS FURNISHED BY THE MANUFACTURER OF THIS MACHINE 4 SHOULD YOU FIND IT NECESSARY TO MAKE ANY REPAIRS TO THE REFRIGERATION BECAUSE REPAIR CAN BE HAZARDOUS READ THE UNIT MANUAL UNDER REFRIGERATION OR CALL THE MANUFACTURER AND SELLER PLEASE NOTE THE DANGER OF OVER CHARGI
30. cern s Ce produit est conforme aux prescriptions les plus importantes dela directive CEM 89 336 CEE et amendements et aux directives basse tension 73 23 CEE et 94 68 CEE Une d claration de conformit peut tre fournie sur simple demande Veuillez nous indiquer le num ro d accus de r ception AR ainsi que les num ros de s rie des produits concern s ANGAR SCIENTIFIC 52 Horsehill Road Cedar Knolls New Jerscy 07927 ASCA e come Form Form No 695084 ALLGEMEINE BETRIEBSANLEITUNG ACHTUNG Diese Allgemeine Betriebsanleitung giltin Zusam menhang mit der jeweiligen Betriebsanleitung f r die spe ziellen Produkte EINBAU Die ASCO JOUCOMATIC Komponenten d rfen nur innerhalb der auf den Typenschildern angegebenen Daten eingesetzt werden Ver nderungen an den Produkten sind nur nach R ck sprache mit ASCO JOUCOMATIC zul ssig Vor dem Einbau der Ventile mu das Rohrleitungssystem drucklos geschaltet und innen gereinigt werden Die Einbaulage der Produkte ist generell beliebig Ausnahme Die mit einem Pfeil gekennzeichneten Produkte m ssen ent sprechend der Pfeilrichtung montiert werden Die DurchfluGrichtung und der Eingang von Ventilen sind gekennzeichnet Die Rohranschl sse sollten entsprechend den Gr Benangaben auf den Typenschildern mit handels blichen Verschraubungen durchgef hrt werden Dabei ist folgendes zu beachten e Eine Reduzierung der Anschl sse kann zu Leistungs und Funktionsminderung
31. ch should cut out there is a manual reset switch which is located at the control panel on the right side In order to reset this switch the disconnect switch and the switch must be turned off and the control panel door must be open If and when the high pressure switch is off check the Trouble Shooting chart for diagnosis The low pressure switch will cut out at any time the pressure in the refrigeration system is below 25 psi Low psi can be caused by a freeze up in the water tank a leak in the refrigeration system if the system is low on Freon R 22 or if there is any sort of restriction in the system If the switch cuts out it will automatically reset Never try to adjust the high and low pressure switches or by pass them or serious damage to the system will result Adjustment should only be made after the internal pressure of the refrigeration system has been read The second control of the circuit is the temperature controller It controls the cycling of the refrigeration system Once this control is set it will control the cycling of the unit automatically Do not set it below freezing unless the proper amount of antifreeze is put into the unit Since antifreeze is a poor conductor of heat never add more than necessary The third control on the circuit is the manual compressor switch It is only used to turn the refrigeration system on or off The fourth part on the circuit is the overload protection on the compressor It will op
32. d PUMP drivers Power indicators will turn OFF and control indications will function normally will resume when coolant is replenished The PUMP switch will double as a standby power switch disabling the alarm and turning the COMPRESSOR drivers OFF while continuing to display temperatures When the PUMP switch is returned to ON the alarm will be disabled until the DISCHARGE temperature returns below set point Optional Relay terminal block and 3 pos switch for remote power applications These components can be assembled for an extra charge Fuse will be of the 5 x 20MM that can be replaced easily www dimplexthermalsolutions com Phone 800 968 5665 SETTING SOLID STATE CONTROL This unit has a solid state control that controls the temperature on the refrigeration system After the unit is wired to the proper voltage the control temperature and high temperature alarm can be set 1 On the front of this control is the temperature display to set the temperature press and hold button 2 while turning the set point screw above button 2 The temperature display will indicate the set temperature as you turn the set point screw 2 To set the high temperature alarm press and hold button 3 while turning the set point screw above button 3 The temperature display will indicate the set temperature for the high temperature alarm as you turn the set point screw We suggest you keep the differential between the temperature and the alarm at 5
33. ding must be within the values shown in Tecumseh Hermetic Compressor Service Data Book Three phase internal overloads open all three phases Therefore allow time for reset b For external overload protected motor compressors the continuity of the overload may be checked The resistance of all winding may also be checked i e C S C R and S R c lack of continuity other than test indicating an open internal protector or improper resistance indicates a faulty or damaged motor and the compressor must be properly replaced as it has failed and cannot be repaired If the above indicates no problem with the compressor then carefully reconnect the leads to the proper compressor terminals C S amp R correctly replace the terminal PROTECTIVE COVER gasket if required and the bale strap Then proceed to conduct similar ground and continuity test from the three lead connection points which you previously disconnected forward toward the incoming power connections to find the electrical problem DO NOT reset the ground fault protective device until you have located and corrected the problem Refer to the Unit Wiring Diagram and Service Manual for the proper procedure and wiring checkout The text of step by step procedures uses language and symbols which refer to the electrical supply as single phase Three phase equipment should be given equally cautious consideration when service is necessary 22 www dimplexthermalsol
34. e unit is first received the power to the chiller should be on for 3 hours That means you must at this time have the unit disconnect on The manual water pump and refrigeration switches should be off This will allow the refrigeration compressor to warm up driving out the freon R22 that had migrated to the compressor This start up time is necessary if you have all the power off for 12 hours or more Then you must allow this same warm up time It is okay to turn the unit off by the manual switch only and not the main power Then you do not need to be concern about a warm up time The crank case heater is HIGH VOLTAGE But it is only very low wattage Caution should be taken when working the crank case heater to make sure the POWER is off Any question call for more details Schreiber Engineering Corporation 562 926 3855 23 www dimplexthermalsolutions com Phone 800 968 5665 MAINTENANCE INFORMATION There are no lubrication points on the chiller All motors have permanent lubrication in the bearings The water that is used in the chilled water circuit has no special requirements except that deionized water cannot be used The water should be clean and some type of water conditioner can be used Nothing should be used in the chilled water circuit that could damage the all copper Heat Exchanger THIS INCLUDES THE USE OF DEIONIZED WATER The air cooled condenser should be cleaned on a regular basis depending on the environme
35. emperature is set below 36 F antifreeze must be added to the water supply tank Use norcautomotive antifreeze which can be added through the overflow pipe Never add more antifreeze than necessary since it is a poor conductor of heat the cooling capacity of the chiller will be reduced With the temperature controller set the compressor can be turned on by the manual switch The refrigeration system is now running It should be noted that there could be a two to three degree difference between the temperature control setting and the dial thermometer Use the dial thermometer as a guide Once set the temperature controller will control the temperature of the water automatically 10 www dimplexthermalsolutions com Phone 800 968 5665 SPECIAL INSTRUCTIONS WATER PUMP The water pump is controlled by the manual switch for off and on operations The motor on this pump has a built in overload protection as do all the motors in our system ELECTRICAL CONTROLS Control Circuit 24 Volts The control circuit for the refrigeration system has several controls wired in series First are the high and lowpressure switches that are mounted in the control panel The high pressure switch will shut off the refrigeration system in the event the pressure is too high High pressure can be caused by the condenser becoming restricted by foreign material on the outside surface of the condenser or if the fan motor is not running If the high pressure limit swit
36. en f hren e Zum Schutz der Ventile sollten Schmutzf nger oder Filter so dicht wie m glich in den Ventileingang integriert werden e Bei Abdichtung am Gewinde ist darauf zu achten da kein Dichtungsmaterial in die Rohrleitung oder das Ventil gelangt e ZurMontage dart nur geeignetes Werkzeug verwendet werden Konische Verschraubungen sind sorgfaltig anzuziehen Es ist darauf zu achten da beim Anziehen das Geh use nicht besch digt wird e Spule und F hrungsrohr von Ventilen d rfen nicht als Gegen halter benutzt werden e Die Rohrleitungsanschl sse sollen fiuchten und d rfen keine Spannungen aut das Ventil bertragen ELEKTRISCHER ANSCHLUB Der elektrische Anschlu ist von Fachpersonal entsprechend den geltenden VDE und CEE Richtlinien auszuf hren Es ist besonders auf folgendes zu achten e VorBeginnder Arbeitenistsicherzustellen da alle elektrischen Leitungen und Netzteile spannungsios geschaltet sind e Alle AnschluBklemmen sind nach Beendigung der Arbeiten vorschriftsmaBig entsprechend den geltenden Regeln anzuziehen e JenachSpannungsbereich mu das Ventil nach den geltenden Regeln einen SchutzleiteranschiuB erhalten Der Magnetantrieb kann je nach Bauart folgende Anschl sse haben e Anschluf f r G r testeckd se nach DIN 43650 Form A ISO 4400 oder 3x DIN 46244 durch ordnungsgemaBe Montage der Ger testeckdose wird Schutzklasse IP 65 erreicht e Anschl sse innerhalb eines Blechgeh uses mittels Schra
37. en if the unit becomes low on refrigeration or if the improper voltage is used This part of the circuit is an automatic reset www dimplexthethalsolutions com Phone 800 968 5665 CHILLED WATER CIRCUIT The chilled water is pumped from the chiller s water tank to the discharge outlet of the chiller Then from the discharge outlet the water travels to the object to be cooled through the heat exchanger and returns through the chillers return line into the water tank Be sure to keep all lines full size 1 If the size of the lines are reduced then the flow of water will be restricted and thus resulting in improper chilling Large Insulated Reservoir Evaporator Double Coils Wall Construction Load to be cooled Large Contaminant free Water pump www dimplextherrrldlsolutions com Phone 800 968 5665 REFRIGERATION SYSTEM The refrigeration system is a medium temperature system with a range from 35 F to 70 F This is the most efficient range If temperatures below or above this range are required they should be discussed with our engineering department The refrigeration system also includes a hermetically sealed refrigeration system and all parts except the evaporator coil are standard to the refrigeration industry The evaporator coil is installed in a stainless steel tank and the tank on each unit has a large area This large area allows better control of water temperature a
38. erentiate them The operating principal behind thermocouple wire is the following If you take a piece of thermocouple wire and short both ends to form junctions current will flow through the positive wire from the hot junction to the cold junction The amount of current is dependent on the temperature difference between the two junctions A thermocouple thermometer uses this principal to operate The hot junction is the probe and the cold junction is at the meter The meter measures the cold junction at the meter then measures the hot junction the probe subtracts the two temperatures adds a scaling factor then finally displays the temperature of the hot junction If a cold junction did not exist no current would flow in the wire thus you couldn t detect temperature with it One common error made when wiring thermocouple probes is using extension wire which does not match the type of probe If the extension happens to have the same metal type in both the legs such as copper the cold junction has now been effectively moved from the meter to where ever the splice was done The problem is that the meter is compensating for the temperature of the cold junction at the meter not the splice so whatever temperature difference exists between the two will show up as an error Even when wiring between two meters thermocouple wire of the right type must be used because each meter has its own compensation and it expects to have a
39. est rubber hose This would prevent any great heat loss And there would also be no contamination 4 If black pipe galvanize iron and steel pipe are your piping of choice you should be aware of the corrosiveness of these materials Black will damage the watering system 5 Female connections to chiller are brass your connections to the chiller are anything other than PVC copper or rubber hose you should consult with your local plumbing supplier about the use of dielectric pipe connections when dissimilar metals are used If we can be of any assistance with this please call the manufacturer 6 Keep in mind you should keep all chilled water lines full size If your chiller has 1 NPT then the chilled water lines should be no less www dimplexthermalsolutions com Phone 800 968 5665 INSTALLATION INSTRUCTIONS Air or Water Cooled Chillers When the chiller is received check for any shipping damage If any is found a freight claim should be filed at once with the carrier This water chiller is designed with a contaminant free chilled water system stainless steel reservoir and all copper evaporator Installed properly it will give you years of trouble free service Therefore it is important that the chilled water piping system you are using to plumb this water chiller is also as contaminant free as possible When you take this into consideration you will have a most efficient water cooling system Should you need assi
40. fois et couterle clic m tallique qui signale le fonctionnement de la t te magr tique FONCTIONNEMENT La plupart des lectrovannes comportent des bobinages pr vus pour mise sous tension permanente Pour viter toute br lure ne pas toucher la t te magn tique qui en fontionnement normal et en permanence sous tension peutatteindre une temp rature lev e BRUIT DE FONCTIONNEMENT Le bruit de fonctionnement vane selon l utilisation le fluide et le type de mat riel employ L utilisateur ne pourra d terminer avec pr cisionle niveau sonore mis qu apr s avoir mont le composant sur l installation ENTRETIEN L entretien n cessaire aux produits ASCO JOUCOMATIC varie avec leurs conditions d utilisation Il est souhaitable de proc der un nettoyage p riodique dont l irtervalle varie suivant la nature du fluide les conditions de fonctiomement et le milieu ambiant Lors de l intervention les composants doivent tre examin s pour d tecter toute usure excessive Un ensemble de pi ces internes est propos en pi ces de rechange pour proc der la r fection Encas de probl me lors du montage entretien ou en cas de doute veuillez contacter ASCO JOUCOMATIC ou ses repr sentants officiels Conform ment la directive 89 392 CEE Annexe B une D claration d incorporation peut tre fournie sur demande Veuillez nous indiquer le num ro d accus de r ception AR et les r f rences ou codes des produits con
41. frigerant liquid overcharge causing a rapid increase in system pressure c If the system compressor protective devices fail for any reason prior to or during this locked rotor heating cycle or cycles liquid refrigerant may be vaporized sufficiently fast enough to raise the pressure within the system to extremes far in excess of the housing or weld seam design limits d In some instances where the amount of refrigerant overcharge is critical in proportion to the system internal volume the pressure reached can cause a compressor housing seam separation or rupture which can be hazardous The remedy to eliminate this exceedingly rare but potential hazard is to use correct refrigerant charging amounts and techniques Tecumseh Products Company urges that all individuals responsible for training teaching or advising installation mechanics and service personnel must emphasize proper charging techniques and strict adherence to limiting refrigerant charge amounts to those specifically recommended by the manufacturer of the refrigeration air conditioning or heat pump system www dimplexthetfhalsolutions com Phone 800 968 5665 SERVICE BULLETIN HERMETIC COMPRESSOR ELECTRICAL TERMINAL VENTING CAN BE DANGEROUS When the insulating material which supports a hermetic compressor electrical terminal suddenly disintegrates due to physical abuse or as a result of an electrical short between the terminal and the compressor housing the terminal
42. g O ring Drain amp Vent Pug Casing Power End Components h Bea E s pereo gt Ball Bearing Outboard 122 las Lip Seal inboard Lip Seal Outboard Ball Bearing Inboard Bearing Frame a Ki Eeee e Hex Hd Cap Screw Brg Hex Hd Cap Screw Adapte 1046 Standard Ceramic Buna Option Less e Er Chemical 18 8 8 8 Tee ee 18 www dimplexthermalsolutions com Phone 800 968 5665 NPE F WARNING Overcharging a refrigeration or air conditioning system can be dangerous If a system refrigerant overcharge is sufficient to immerse the major parts of the motor and compressor in liquid refrigerant a situation has been created which when followed by unusual circumstances can lead to compressor housing seam separation or rupture The sequence of circumstances which can lead to compressor housing seam separation or rupture may occur in the following manner a The system overcharge immerses the compressor motor piston connecting rods cylinder etc in liquid refrigerant thereby effectively forming a hydraulic block preventing the compressor from starting This condition is known as locked rotor b Electric current continues to flow through the compressor motor windings that become in effect electric resistance heaters The heat produced begins to vaporize the excessive re
43. ht Glass Refrigeration Drier 3 8 Evaporator SAC 5 Suction Line Heat Exchanger High Pressure Switch OP 410 CL MR Low Pressure Switch OP 15 CL 30 Disconnect 80 Amp Disconnect Handle Only Disconnect Shaft Only Contactors 30 Amps 4 Point Terminal Block Transformer 220 3 Transformer 440 3 Grounding Screw Off On Switch Pilot Light Bulb 24v Pilot Light Assembly Solid State Control Board Half thru 4 Ton Discharge Probe amp Wire Return Probe amp Wire Low Ambient Controls Thermostat High Temperature Water Pressure Gauge 2 5 Liquid Filled Fan Motor HP Fan Blade 18 Fan Guard for 18 Blade 2 HP Stainless Steel Water Pump Seal amp O Ring Kit for Water Pump Water Sight Glass Assembly Water Sight Glass Only Solenoid Valve Black Flow Kit Float Switch NPT Check Valve Stainless Steel Tank 5 Ton www dimplexthermalsolutions com Phone 800 968 5665 OS NS NS lt NUS lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt B lt lt lt SES SES SES S i K SES SS SS SES SES SES SES SS SS S SS K K K 460 3 230 3 Qty Ee A 5X NN ND sch DA 14 ft lI lI cl EH 9 gt Schreiber Limited Warranty Schreiber warrants the product described herein against defective
44. ightening foundation bolts 2 3 5 Tighten pump and motor hold down bolts before connecting the piping to pump 3 Suction Piping 3 1 Low static suction lift and short direct suction piping is desired For suction lift over 10 feet and liquid temperatures over 120 F consult pump performance curve for Net Positive Suction Head Required 3 2 Suction pipe must be as large as the suction connection of the pump Smaller size will degrade performance 3 3 If larger pipe is required and eccentric pipe reducer with straight side up must be installed at the pump 3 4 Installation with pump below source of supply 3 4 1 Install full flow isolation valve in piping for inspection and maintenance CAUTION Do not us e suction isolation valve to throttle pump 3 5 Installation with pump above source of supply 3 5 1 Avoid air pockets No part of piping should be higher than pump suction connection Slope piping upward from liquid source 3 5 2 All joints must be airtight 3 5 3 Foot valve to be used only if necessary for priming or to hold prime on intermittent service 3 5 4 Suction strainer open area must be at least triple the pipe area 3 6 Size of the inlet from liquid source and minimum submergence over inlet must be sufficient to prevent air from entering pump through vortexing See figs 2 5 Figure 2 12345678 910111213 14 1516 V V Velocity in feet per second GPM x 0 321 GPM x 0 4085 Area 02
45. late through the water system in order to prevent damage to the water pump in case the chilled water discharge is shut off This small amount of water will not affect the efficiency of the unit Fill the chilled water tank through the hose bib which is located on the chilled water return line Fill the tank until it reaches the level as marked on the water sight glass The water level should be kept within 1 of the marked level Do not fill the water tank with deionized water 9 www dimplexthermalsolutions com Phone 800 968 5665 10 Check the voltage on the chiller to see that it matches your supply When applying power to the water pump by turning the manual switch on make sure all the switches on the control panel are in the off position It is necessary to check the rotation of the water pump The motors on all pumps have an internal overload protection Power to the unit should be m for 3 hours prior to full usage to allow the crank case heater to heat the compressor PLEASE READ SECTION ON CRANK CASE HEATER ON PAGE 18 The water pump manual switch controls the operation of the water pump After checking the rotation of the water pump PLEASE NOTE when the water pump is turning the proper rotation The water pump switch must be on in order to check rotation of fan motor The refrigeration system will not run unless the water pump switch is in the on position Set the temperature controller to the desired temperature If the t
46. lich Geben Sie bitte f r die Produkte die Nummer der Auftragsbest tigung und die Seriennummer an Dieses Produkt entspricht den grundlegenden Bestimmungen der EMV Richtlinie 89 336 EWG cinschi Nachtrage sowie den 73 23 EWG u 93 68 EWG Bitte geben Niederspannungsrichtli Sie die Auftragsbest tigungsnummer und die Serienummern der betreffenden Produkte an All Rights Reserved Tel 973 9700 wwwi dimplexihermalsolutions com mix e cm Phone 800 968 5665 Printed in U S A Page 1 of 2
47. ller on reassembly 10 6 Check reassembled unit for binding Correct as required 10 7 Tighten casing bolts in a star pattern to prevent O ring binding www dimplexthermalsolutions com Phone 800 968 5665 349 11 Trouble Shooting Chart Motor Not Running See causes 1 8 Little or No Liquid Delivered See causes 7 17 Power Consumption Too High See causes 4 17 19 22 Excessive Noise and Vibration See causes 4 6 9 13 15 16 15 20 22 Probable Cause 1 Tripped thermal protector 2 Open circuit breaker 3 Blown fuse 4 Rotating parts binding 5 Motor wired improperly 8 Defective motor 7 Not primed 8 Discharge plugged or valve closed 9 Incorrect Rotation 10 Foot valve tco small suction not submerged inlet screen plugged 11 Low voltage 12 Phase loss 3 phase only 13 Air or gasses in liquid 14 System head too high 15 NPSHA too iow Suction lift too high or suction losses excessive Check with vacuum gauge 16 Impeller wom or plugged 17 Incorrect impeller diameter 18 Head too low causing excessive flow rate 19 Viscosity specific gravity too high 20 Worn bearings 21 Pump or piping loose 22 Pump and motor misaligned 347 370 513 184 108 383 123 Description Casing impeller Impeller Locknut 7 uidevane O ring Guidevane 370 Socket Hd Screws Casing Mechanical Seal 408 Drain amp vent Plug Casin
48. mber and serial numbers of the products concerned ASTA 50 Hanover Road Florham Park New Jersey 07932 Tel 973 966 2000 Fax 973 966 2628 ASTA 1561 Columbia Highway Tel 803 641 9200 Fax 803 641 9290 Aiken South Carolina 29801 CER CE INSTRUCTIONS G N RALES D INSTALLATION ET D ENTRETIEN Nota Ces instructions g n rales d installation et d entretien compl tent la notice sp cifique du produit MONTAGE Les composants ASCO JOUCOMATIC sont con us pour les domaines de fonctionnement indiqu s sur la plaque signal tique ou la documentation Aucune modification ne peut tre r alis e sur le mat riel sans l accord pr alable du fabricant ou de son repr sentant Avant de proc der au montage d pressuriser les canalisations et effectuer un nettoyage inteme A moins qu une fl che ou la notice n indique un sens de montage sp cifique de la t te magn tique le produit peut tre mont dans n importe quelle position Le sens de circulation du fluide est indiqu par rep res surle corps et dans la documentation La dimension des tuyauteries doit correspondre au raccordement indiqu sur le corps l tiquette ou la notice Attention e Une restriction des tuyauteries peut entrainer des dysfonc tionnements e Afin de prot ger le mat riel installer une cr pine ou un filtre ad quat en amont aussi pr s que possible du produit e Encas d utilisation de ruban p te a rosol ou autre lubrifiant lor
49. n nstallation of Panel Mounted Solenoid Optional Features For Type 1 General Purpose Construction Only Junction Box This junction box construction meets Enclosure Types 2 3 3S 4 and 4X Only solenoids with 1 4 spade or screw terminals may have a junction box The junction box provides a 1 2 conduit connection grounding and spade or screw terminal connections within the junction box See Figure 5 DIN Plug Connector Kit No K236034 Use this kit only for solenoids with DIN terminals The DIN plug connector kit provides a two pole with grounding contact DIN Type 43650 construction See Figure 6 OPERATION When the solenoid is energized the core is drawn into the solenoid base sub assembly IMPORTANT When the solenoid is de energized the initial return force for the core whether developed by spring pressure or weight must exert a minimum force to overcome residual magnetism created by the solenoid Minimum return force for AC construction is 11 ounces and 4 ounces for DC construction INSTALLATION Check nameplate for correct catalog number service and wattage Check front of solenoid for voltage and frequency WARNING Electrical hazard from the accessibility of live parts To prevent the possibility of death serious injury or property damage install the open frame solenoid in an enclosure ASA www 50 Hanover Road Florham Park New Jersey 07 All Rights Reserved Installation amp Maintenance Inst
50. nch adapter only order ASCO Wrench Kit No K218948 4 The core is now accessible for cleaning or replacement 5 f the solenoid is part of a valve refer to basic valve installation and maintenance instructions for further disassembly 6 Reassemble using exploded views for identification and placement of parts ORDERING INFORMATION FOR ASCO SOLENOIDS from solenoid base When Ordering Solenoids for ASCO Solenoid Operators or Valves order the number stamped on the solenoid Also specify voltage and frequency Form No V6583R7 ASVA 50 Hanover Road Florham Park New Jersey Orage 8967 Chart Nae solenoid base sub assembly valve bonnet 3 4 bonnet construction bonnet screw 3 8 or 1 2 NPT pipe size Bonnet screw 4 NPT pipe sir p epo Remove red cap and push solenoid down Then pry here to lift nameplate retainer and push to remove MZ Remove red cap and DL nameplate push solenoid down retainer Then pry here to lift nameplate retainer grounding wire and push to remove solenoid x A with 1 2 NPT A green or green with i For special wrench S RTE adapter order kit 218948 spring washer 0 750 28 UN 2A thread solenoid base sub assembly UJ A piugnuyeoro Tube wei 0 9375 26 UNS 2A sub assembly thread AL core core collar to face
51. nd causes the water flow not to be restricted resulting in better water circulation Any repairs to the refrigeration system should be done by a qualified refrigeration company Schreiber Engineering will always have a service engineer available to answer any questions regarding chiller service This unit has a service valve on the suction and discharge line The suction line has its valve on the suction line The high pressure or discharge service line is on the receiver This unit is charged with R 22 DO NOT OVERCHARGE because this will cause damage to the compressor The refrigeration sight glass is fuzzy until the unit reaches its proper temperature MAINTAINING THE CHILLER Very little maintenance is required on this unit It might be necessary to clean out the heat exchanger located within the water tank only depending on the condition of the water used in the chilled water circuit It might also be necessary to blow out the condenser from time to time depending on the environment of the installed unit Finally the water cooled condenser needs to be flushed out once in a while The frequency of this process depends on the condition of the condenser s water supply 13 www dimplexthermalsolutions com Phone 800 968 5665 MOTOR SPECIFICATIONS Refer to your model number amp voltage Overload Frame Mounting Rotation 50 1 4 Hp 115 208 230 1 Ph 60 1725 Automatic G48 Rigid O D P CW 14 x 16 Pitch
52. nit is running PLEASE READ IMPORTANT TEMPERATURE CONTROL The temperature control and the dial thermometer is reading the discharge water temperature in Fahrenheit All controls read in Fahrenheit 3 www dimplexthermalsolutions com Phone 800 968 5665 CONT WATER CHILLER STARTING CHECKLIST ELECTRIC POWER A good test to make sure power is off to the unit is to turn on the water pump switch If power is on the light on this pump will be on We recommend you take caution in all judgments about the power being on The best test to find if the power is on is to use a voltmeter Please Note A single phase condition can cause a pilot light to be out and still have voltage to the unit TESTING STANDARDS All components on the chiller meet UL s standards The system is tested under 250 pounds of pressure All motors have internal overload protection except where noted ANTIFREEZE Keep the water tank filled at the proper level Add antifreeze if you are going to operate the unit at 38 F or lower DEIONIZED WATER DO NOT USE DEIONIZED WATER IN THE TANK Deionized water will cause damage to the copper evaporator TANK FILL Use the 2 Top Fill located on top of the unit to fill the chiller www dimplexthermalsolutions com Phone 800 968 5665 Co ii Terminal Block Connections 24 Vac 24 Vac Pump Contactor Comp Contactor TC TC TC T1 Float L
53. nt the chiller is installed in The water level should be maintained as close to the level as marked on the water sight glass You cannot damage the refrigeration system by the water being at a low level it will only affect the efficiency of the unit Caution The compressor receivers and water pump could be hot enough to injure one touching these components The dial thermometer is reading the temperature of the discharge chilled water Please note This is a hermetically sealed compressor There are no necessary maintenance requirements Please read the service bulletins before making any repairs NOTICE ON EXPANSION VALVE This is a standard Alco Expansion Valve Model TLCE size HW These valves come from the factory pre set For the proper super heat do not try to adjust the super heat on this valve unless you call the factory service department This Alco valve is one of the most reliable parts If this valve needs to be changed out do it without losing the R22 charge To do this turn the receiver off at the iquid line to the expansion valve Then pump the system down until there are two or three pounds of gauge pressure Remove the power element and install the replacement power element open the receivers liquid line valve TEST FOR LEAKS and restart the unit Remember call the factory before you do any work on the expansion valve alsolutions com Phone 800 968 5665 TROUBLE SHOOTING PART I SYMPTOM DIAGNOSIS
54. ontrol panel has pilot www dimplexthermalsolutions com Phone 800 968 5665 CONTROL PANEL SINGLE STAGE Digital Technology Solid State Controls Trust the finest Made in America e Compressor Light A A Temperature Display M Pump Light V A Audio Alarm ump Lig Alarm Light Temperature 0 Control 1 F Light o DISCHARGE RETURN TEMPERATURE MPAESS PUMP CONTROL compressor U Temperature EI E E Control gt on dh e Setpoint e SETPONNTS e TT ilt d ELECTRICAL EI PRESSTO VIEW POWER CMOLANT SH High Temperature Setpoint Low Coolant Level Warning Light Water Pump On Off Compressor On Off Switch Switch reiber chillers are Available as Remote Controls approved by E The optional remote control ing Laboratories Inc unit allows vou to place the chiller outdoors or at a hard to reach location and control it from inside a huilding 5 SUPERIOR mr 03 it 562 026 3855 fax 562 926 0969 Thermocouple Measurement Principals The basic idea to start with is that when two dissimilar metals are physically joined together they form a voltage source Some types of metals have higher voltages than others and they also have different mechanical properties In the area of thermocouple wiring for temperature measurement a few common standards emerged These standard wire types were then lettered and color coded to diff
55. ow Level Cutout Pressure Switch Conn Pressure Swich Conn D D 5 gt c 2 oo 2 0 Z Sg SO og E E E K o d a Mydoc electrical newelectrical singlestagemedical single stage Philips 4 Ton Q O Pink Pre Low Level Warning _ OC mm 3 _ P Yellow White Black Orange Dry Contacts NO Yellow 24V RED T1 T2 9 A T1 CAI T1 Note Water cooled units are not equipped with FAN motors LLSV Liquid Line Solenoid Valve BF Back Phone 800 968 5665 RED BLACK Black ALARM D o2 TIME z 2 2 9 1 DELAY na 4OOO o om 5 2 re lt 5 E lt DOW O0 Q UC GH 2 E S 3 gt m0 gt BLACK i f Temp Probes FLOAT NO White Black T Water Pump Starter PURPLE Coil WHITE A BLUE BF RED White RED Pink Compressor 1 Starter Coil Orange RED i em RED Purple White AT d PRE LOW LEVEL WARNING LIGHT FLOAT NC Models 200 500 AC WC PHILIPS 4 TON Options Voltage 230 460 Marks MEDICAL CHILLER WITH HEAD Type Air Cooled Water Cooled PRESSURE CONTROL
56. ructions Red Hat IP OPEN FRAME GENERAL PURPOSE WATERTIGHT EXPLOSIONPROOF SOLENOIDS SERIES 8016G Form No V6583R7 For BLACK ENCLOSURE TYPES 7 AND 9 ONLY A CAUTION To prevent fire or explosion do not install solenoid and or valve where ignition temperature of hazardous atmosphere is less than 165 C On valves used for steam service or when a class H solenoid is used do not install in hazardous atmosphere where ignition temperature is less than 180 C See nameplate retainer for service NOTE These solenoids have an internal non resetable thermal fuse to limit solenoid temperature in the event that extraordinary conditions occur which could cause excessive temperatures These conditions include high input voltage a jammed core excessive ambient temperature or a shorted solenoid etc This unique feature is a standard feature only in solenoids with black explosionproof dust ignitionproof enclosures Types 7 amp 9 A CAUTION To protect the solenoid valve or operator install a strainer or filter suitable for the service involved in the inlet side as close to the valve or operator as possible Clean periodically depending on service conditions See ASCO Series 8600 8601 and 8602 for strainers Temperature Limitations For maximum valve ambient temperatures refer to chart The temperature limitations listed only indicate maximum application temperatures for field wiring rated at 90 C Check cat
57. s du serrage veiller ce qu aucun corps tranger ne p n tre dans le circuit e Utiliser un outillage appropri et placer les cl s aussi pr s que possible du point de raccordement e Afin d viter toute d t rioration NE PAS TROP SERRER les raccords des tuyauteries e Nepas se servir de la vanneou de la t te magn tique comme d un levier e Les tubes de raccordement ne devront exercer aucun effort couple ou contrainte sur le produit RACCORDEMENT ELECTRIQUE Le raccordement lectrique dot tre r alis par un personnel qualifi et selon les normes et reglements locaux Attention e Avant toute intervention couper l alimentation lectrique pour mettre hors tension les composants e Toutes les bomes vis dovent tre serr es correctement avant la mise en service e Selon la tension les composants lectriques doivent tre mis la terre conform ment aux normes et r glements locaux Selon les cas le raccordement lectrique s effectue par e Connecteur d brochable 1504400 ou 3 x DIN46244 avec degr de protection IP65 lorsque le raccordement est correc tement effectu e Bornes vis solidaires du bobinage sous boitier m tallique avec presse toupe Pg e Cosses type AMP e Fils ou c bles solidaires de la bobine MISE ENSERVICE Avant de le circuit 5005 pression effectuer un essai lectrique Dans le cas d une lectrovanne mettre la bobine sous tension plusieurs
58. se comes out of relief fittings or lip seals then wipe off excess 8 2 2 Follow motor and coupling manufacturers lubrication instructions 8 2 3 Alignment must be rechecked after any maintenance work involving and disturbance of the unit 9 Disassembly omplete disassembly of the product will be described Proceed only as far as required to perform the maintenance work needed 9 1 Turn off Power 9 2 Drain system Flush if necessary 9 3 Close Coupled Units Remove motor hold down bolts Frame Mounted Units Remove coupling spacer coupling spacer coupling guard and frame hold down bolts 9 4 Disassembly of Liquid End 9 4 1 Remove casing bolts 370 9 4 2 Remove back pull out assembly from casing 100 9 4 3 Remove impeller locknut 304 CAUTION Do not insert screwdriver between impeller vanes to prevent rotation of close coupled units Remove cap at opposite end of motor A screwdriver slot or a pair of flats will be exposed Using them will prevent impeller damage 9 4 4 Remove impeller 101 by turning counter clockwise when looking at the front of the pump Protect hand with rag or glove CAUTION Failure to remove impeller a counter clockwise direction may damage threading on the impeller shaft or both 9 4 5 With two pry bars 180 apart and inserted between the seal housing 184 and the motor adapter 108 carefully separated the two parts The mechanical seal rotary unit 883 should come
59. stance to clean up an old chilled water system or to keep a new system clean we suggest you contact your local water treatment company Place the water chiller in an area that allows easy access to the service doors and control panel for routine maintenance and inspection For the air cooled unit make sure it is in an area where there is good air circulation over the condenser inlet 24 from any obstruction For the water cooled unit make sure it has a good water supply by keeping the piping to the condenser 1 in size Restriction of air to the air cooled condenser or water to the water cooled unit will not only affect the efficiency of the unit but will also cause damage to the refrigeration system Note Do not mix up the inlet and the outlet to the condenser on water cooled units Water cooled takes 3 gpm per ton Make sure the ceiling above the fan discharge is over 12 feet to avoid recirculation of the condenser air because recirculating condensed air can cause the unit to cut off on the highpressure switch If the ceiling is lower than 12 feet a straight duct out of the ceiling should be installed in order to prevent the air from recirculating over the condenser Make up two chilled water lines a discharge and a return line The fitting on the chiller for these lines is 1 pipe coupling IT SHOULD BE NOTED THAT THERE IS 1 4 COPPER BY PASS LINE BETWEEN THE WATER PUMP AND THE WATER TANK This by pass allows just enough water to circu
60. th a special wrench adapter Installation of Panel Mounted Solenoid See Figure 3 Disassemble solenoid following instruction under Solenoid Replacement then proceed 3 4 Valve Bonnet Construction 1 Install retainer convex side to solenoid in 1 312 diameter mounting hole in customer panel Then position spring washer over plugnut core tube sub assembly Install plugnut core tube sub assembly through retainer in customer panel Then replace solenoid nameplate retainer and red cap whe 15 16 Valve Bonnet Construction 1 Install solenoid base sub assembly through 0 69 diameter mounting hole in customer panel 2 Position spring washer on opposite side of panel over solenoid base sub assembly then replace Solenoid Temperature Standard solenoids are designed for continuous duty service When the solenoid is energized for a long period the solenoid becomes hot and can be touched by hand only for an instant This is a safe operating temperature MAINTENANCE A WARNING To prevent the possibility of death serious injury or property damage turn off electrical power depressurize solenoid operator and or valve and vent fluid to a safe area before servicing Page 2 of 4 Cleaning All solenoid operators and valves should be cleaned periodically The time between cleaning will vary depending on medium and service conditions In general if the voltage to the solenoid is correct sluggish valve operation e
61. the new solenoid 2 Disassemble solenoids with optional features as follows Spadeor Screw Terminals Remove terminal connections grounding screw grounding wire and terminal block screw terminal type only NOTE For screw terminals the socket head screw holding the terminal block serves as a grounding screw Junction Box Remove conduit and socket head screw use 5 32 hex key wrench from center of junction box Disconnect junction box from solenoid DIN Plug Connector Remove center screw from DIN plug connector Disconnect DIN plug connector from adapter Remove socket head screw use 5 32 hex key wrench DIN terminal adapter and gasket from solenoid 3 Snap off red cap from top of solenoid base sub assembly 4 Push down on solenoid Then using a suitable screwdriver insert blade in slot provided between solenoid and nameplate retainer Pry up slightly and push to remove Then remove solenoid from solenoid base sub assembly 5 Reassemble using exploded views for parts identification and placement Disassembly and Reassembly of Solenoids 1 Remove solenoid see Solenoid Replacement 2 Remove finger washer or spring washer sub assembly 3 Unscrew solenoid base sub assembly NOTE Some solenoid constructions have a plugnut core tube sub assembly bonnet gasket and bonnet in place of the solenoid base sub assembly To remove bonnet use special wrench adapter supplied in ASCO Rebuild Kit For wre
62. tions This breaker or fuse rating should be as low as practical A rule of thumb is 175 times the motor compressor RLA FLA on older units as shown on the unit nameplate It is acceptable to first replace the fuse or reset the circuit breaker ONE TIME to determine if it was just a nuisance opening WARNING The terminal PROTECTIVE COVER must be securely in place If the fuse or circuit breaker again opens DO NOT continue to replace or reset as the equipment obviously has an electrical problem CAUTION Continual resetting may cause the terminal to vent DISCONNECT all power to the unit making sure all power legs are open Without removing the terminal PROTECTIVE COVER disconnect the three leads going to the compressor terminals at the nearest point to the compressor and identify them as Common C Start S and Run R Identification can generally be made through the unit wiring diagram DO NOT disconnect at the compressor terminals at this time With a Megger Hi Potential Ground Tester or other suitable instruments which puts out a voltage between 300 and 1500 volts check for a ground separately between each of the three C S amp leads and ground such as an unpainted tube on the compressor Do not use a low voltage output instrument such as a volt ohmmeter or other such continuity instruments as these will not detect a low level fault ground If a ground is indicated then carefully remove the compressor terminal R
63. tions if your valve or operator uses this solenoid DESCRIPTION Catalog numbers 8016G1 and 8016G2 are epoxy encapsulated pull type solenoids The green solenoid with lead wires and 1 2 conduit connection is designed to meet Enclosure Type 1 General Purpose Type 2 Dripproof Types 3 and 3S Raintight and Types 4 and 4X Watertight The black solenoid on catalog numbers prefixed EF is designed to meet Enclosure Types 3 and 3S Raintight Types 4 and 4X Watertight Types 6 and 6P Submersible Type 7 A B C amp D Explosionproof Class I Division 1 Groups A B C amp D and Type 9 E amp G Dust Ignitionproof Class II Division 1 Groups E F amp G The Class II Groups F amp G Dust Locations designation is not applicable for solenoids or solenoid valves used for steam service or when a class H solenoid is used See Temperature Limitations section for solenoid identification and nameplate retainer for service When installed just as a solenoid and not attached to an ASCO valve the core has a 0 250 28 UNF 2B tapped hole 0 38 minimum full thread Series 8016G solenoids are available in Open Frame Construction The green solenoid may be supplied with 1 4 spade screw or DIN terminals Refer to Figure 4 Panel Mounted Construction These solenoids are specifically designed to be panel mounted by the customer through a panel having a 062 to 093 maximum wall thickness Refer to Figure 3 and section o
64. ub klemmen Kabeleinf hrung ins Geh use mit PG Verschraubung e Offene Spulen mit Flachsteckern AMP Fahnen oder mit eingegossenen Kabelenden INBETRIEBNAHME Vor Druckbeaufschlagung des Produktes sollte eine elektrische Funktionspr fung erfolgen Bei Ventilen Spannung an der Magnetspule mehrmals ein und ausschalten Es muB ein Klicken zu h ren sein BETRIEB Die meisten Ventile sind mit Spulen f r Dauerbetrieb ausger stet Zur Vermeidung von Personen und Sachsch den solite jede Ber hrung mit dem Ventil vermieden werden da die Magnetspule bei l ngerem Betrieb sehr hei werden kann GER USCHEMISSION Diese h ngt sehr stark vom Anwendungsfall den Betriebsdaten und dem Medium mit denen das Produkt beaufschlagt wird ab Eine Aussage ber die Gerauschemission des Produktes mu deshalb von demjenigen getroffen werden der das Produkt innerhalb einer Maschine in Betrieb nimmt WARTUNG Die Wartung hangt von den Einsatzbedigungen ab In entsprechenden Zeitabst nden mu das Produkt ge ffnet und gereinigt werden F r die berholung der ASCO JOUCOMATIC Produkte konnen Ersatzteilsatze geliefert werden Treten Schwie rigkeiten bei Einbau Betrieb oder Wartung auf sowie bei Unklarheiten ist mitASCO JOUCOMATIC R cksprache zu halten ASCO JOUCOMATIC Produkte sind entsprechend der EG Richt linie 89 392 EWG gefertigt Eine separate Herstellererkl rung im Sinne der Richtlinie 89 392 EWG Anhang IIB ist auf Anfrage erh lt
65. utions com Phone 800 968 5665 Again we want to stress that it is essential that WHENEVER ELECTRIC POWER is applied to the motor compressor the terminal PROTECTIVE COVER must be properly in place Servicing refrigeration and air conditioning systems can be dangerous and extreme caution in all respects should be exercised by the personnel servicing such equipment The precautions discussed in this bulletin deal only with those dangers associated with VENTING TERMINALS CRANK CASE HEATERS This unit has a CASE HEATER on the compressor It is important to the life of this compressor that you follow the instructions This low wattage heater protects the compressor when it is idle by producing just enough heat to keep the Freon from accumulating in the compressor Under certain specific conditions this heater will prevent the compressor from slugging causing damage to its internal parts These Heaters are wired at our factory in such away that allows the heater to be on any time the disconnect switch on the chiller is on When you want to turn the water pump or refrigeration compressor off you must only use the manual switches on the electrical enclosure as marked When you use the disconnect to turn the unit off you kill the power to the crank case heaters ONLY use the disconnect to turn off power if you are going to work on the electrical system AN IMPORTANT FACTOR READ SPECIAL INSTRUCTIONS FOR CRANK CASE HEATER When th
66. xcessive noise or leakage will indicate that cleaning is required Clean strainer or filter when cleaning the valve Preventive Maintenance e Keep the medium flowing through the solenoid operator or valve as free from dirt and foreign material as possible e While in service the solenoid operator or valve should be operated atleast once a month to insure proper opening and closing Depending on the medium and service conditions periodic inspection of internal valve parts for damage or excessive wear is recommended Thoroughly clean all parts Replace any worn or damaged parts Causes of Improper Operation Faulty Control Circuit Check the electrical system by energizing the solenoid A metallic click signifies that the solenoid is operating Absence of the click indicates loss of power supply Check for loose or blown fuses open circuited or grounded solenoid broken lead wires or splice connections Burned Out Solenoid Check for open circuited solenoid Replace if necessary Check supply voltage it must be the same as specified on nameplate retainer and marked on the solenoid Check ambient temperature and check that the core is not jammed Low Voltage Check voltage across the solenoid leads Voltage must be at least 85 of rated voltage Solenoid Replacement 1 On solenoids with lead wires disconnect conduit coil leads and grounding wire NOTE Any optional parts attached to the old solenoid must be reinstalled on

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INSTALLATION, OPERATION & MAINTENANC EE