PWC Manual (EISM-PWC 110114 Rev 1).pub
Contents
1. eg Dees T 2 Cooling Capacity is total BTUH at 80 DB 67 WB return air with 85 EWT to 105 LWT USA Dedicated Circuit and Time Delay fuse or circuit breaker are recommended 3 CFM with free discharge 4 Amps and Watts at 208 Volts 208 230V Models Ambient Operating Range 65 to 1052 May operate down to 55 if equipped with Hot Gas Bypass Factory installed D L AVAILABLE OPTIONS SPECIAL ORDER ONLY CONSULT 6 FACTORY P Hot Gas Bypass Coated Coils F High Performance Blowers Special Filters 50 Hz Models Special Voltages r1 some options are available as Non UL Listed Product NOT APPROVED FOR OUTDOOR USE STANDARD FEATURES CABINET The PWC Series cabinet is constructed of 18 gauge steel with a gray polyester powder coated finish that will compliment any decor The entire cabinet is insulated with a sound absorbing insulation for cool guiet comfort units come eguipped with handles and swivel casters for portability and convenient set up ELECTRONIC THERMOSTAT PWC units are eguipped with a non programmable electronic thermostat When pow er is connected to the unit the thermostat will control the unit to cool a space to the de sired temperature The thermostat is also capable of controlling the fan to operate auto matically when needed or continuously To protect the compressor from short cycling there i2. PWC Series units are eguipped with the standard ten foot long service cord with plug configurations and receptacle requirements as shown in this chart PWC 1011 1211 PWC1811 PWC2412 and PWC3612 units come with LCDI Leakage Current Detection amp Interruption devices that serve as a means of electrical protection CAUTION DO NOT USE THE LCDI AS AN ON OFF SWITCH FOR THE UNIT All 3 phase models are equipped with locking plugs for added connection reliability Re fer to the chart below for plug and receptacle details for all PWC models A DAMAGED LCDI POWER SUPPLY CORD MUST BE REPLACED WITH NEW POWER SUPPLY CORD OBTAINED FROM OCEAN AIRE AND NOT REPAIRED UNIT MODEL PLUG CONFIGURATION RECEPTACLE 115 VOLT PWC1211 15A 125 VOLT NEMA 5 15R PWC1811 NEMA 5 15P 208 230 VOLT SINGLE PHASE PWC2412 20A 250 VOLT NEMA 6 20R PWC3612 NEMA 6 20P 208 230 VOLT SINGLE PHASE mes te MGE NEMA 6 30R 6 30P 208 230 VOLT 3 PHASE 20 250 VOLT NEMA 115 208 208 230 VOLT 3 PHASE 30A 250 VOLT NEMA L15 30R PWC6032 NEMA L15 30P 460 VOLT 3 PHASE PWC3634 SE NEMA L16 20R PWC6034 USE OF EXTENSION CORDS CAUTION FOR MODEL PWC1211 AND PWC1911 AN EXTENSION CORD CAN BE USED PROVIDED IT IS RATED AT LEAST 15 AMPS 115 VOLTS WITH GROUNDING TYPE ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR LOAD FITTING FOR MODELS PWC2412 AND PWC3612 AN EXTENSION CORD CAN BE USED PROVIDED IT 15 RATED AT LEA
3. installation and operation of the Oceanaire PWC spot cooler It is recommended to read and fully understand the instructions outlined within this man ual before operating the PWC unit As with all commercial air conditioning eguipment it is recommended to have the PWC sized and installed by a licensed specifying engi neer and contractor in accordance with all local and state codes The length of service received be extended by following the installation and preventive maintenance instructions NOTICE In our ongoing process of continuous improvement the items and procedures described in this manual are subject to change without notice Please note model and serial number of the PWC unit when contacting the factory GENERAL DESCRIPTION The Oceanaire PWC is a portable water cooled air conditioner designed for permanent or temporary spot cooling applications The entire air conditioning unit has been built in an attractive sheet metal cabinet equipped with heavy duty casters for mobility PWC models come with a 10 foot power cord for electrical connection and added mobility in service These spot coolers are designed to direct air to specific areas or objects through a discharge grill located on the upper front of the unit while rejecting heat from the top of the unit The PWC models range in cooling capacities from 12 000 BTU HR to 60 050 BTU HR to satisfy most space cooling requirements The PWC is a self contained un
4. the unit to operate at greatly reduced efficiencies We recommend that the filter be inspected on a regular bases every six weeks or more often depending on the environment The evaporator filter is located behind the return air grille and can be easily removed and cleaned The filters must be washed periodically as needed by placing them in a dishwasher or soaking them in a solution of warm water and detergent for 10 minutes Then rinsing them clean with hot water and shaking excess moisture from filter CONDENSATE PUMP Condensate pumps come standard on all PWC models When servicing pump follow these steps 1 Make certain that the unit is disconnected from the power source before attempting to service or remove any component 2 Be sure the floats move freely Clean as necessary 3 Remove the volute and check for obstructions Clean as needed 4 Clean the tank with warm water and mild soap when mineral deposits are visible 5 Check the and piping Clean as necessary Be sure there are no kinks in the lines that would inhibit flow GENERAL When necessary maintenance steps outlined above are followed the air conditioner will provide long and reliable service The refrigeration and electrical circuits of the system should only be serviced by a fully gualified service technician 19 Evaporator Blower High Pressure obs Reset Switch E X Coil Water a Valver Condensate Control Pump Bo
5. 5 30P L16 20P EER 12 9 13 8 11 4 13 4 13 4 13 4 12 0 12 0 12 0 Compressor HP 1 11 2 2 3 9 5 5 5 Compressor RLA 9 5 12 3 10 5 13 6 8 8 5 0 27 6 181 9 0 Compressor LRA 50 63 48 83 TT 35 158 1971 62 Evap 400 600 810 1200 1200 1200 1950 1950 1950 Evap Motor HP 1 8 1 8 1 3 1 3 1 3 1 3 1 1 1 Motor Watts 180 210 350 375 915 375 550 550 550 Dimension E in 18 21 1 2 29 1 2 32 3 4 Dimension F in 51 2 6 6 6 Dimension G in 31 2 4 1 2 4 1 2 4 1 2 Cond Water Flow GPM at 60 F inlet 0 75 i 1 55 2 2 2 2 22 5 5 55 5 5 at 85 F inlet 3 45 6 9 9 9 15 15 15 Cond Coil Pressure Drop PSI 04 04 0 2 04 04 04 04 04 04 Water Valve Pressure Drop PSI 2 0 WATER IN Connection 4 3 8 MF 5 8 MF WATER OUT Connection 3 8 MF 5 8 MF Condensate Pump ALL UNITS Sound Level 20 Ft Lift 3 8 MF Connection On Unit DRAIN DYU 69 R 410A Charge Oz 18 16 u Ia 52 A Height with Casters in 52 1 2 0 Height Without Casters in 28 1 2 34 1 2 46 1 2 Width 28 1 4 C Depth in 13 1 8 13 18 39 Net Weight Ib 125 155 275 305 500 Shipping Weight Ib 145 175 190 305 335 510 540 Shipping Volume cu ft 9 12 23 46 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
6. ASE 27 USEFUL INFORMATION MODEL SERIAL NUMBER DATE PURCHASED INSTALLED BY DATE INSTALLED For Technical Support or to locate a distributor for service parts contact Oceanaire at 847 583 0311 or 1 866 GETAIRE 438 2473 Please indicate the Model Number and Serial Number of the unit to assure proper information and service parts LER el UL us US V Uff gt MANUFACTURER S LIMITED WARRANTY The Manufacturer OceanAire Inc warrants to the original owner that the Product will be free from defects in material or workmanship for a period not to exceed one 1 year from date of installation If upon examination by the Manufacturer the Product is shown to have a defect in material or workmanship during the warranty period the manufacturer will repair or replace at its option that part of the Product which is shown to be defective The Manufacturer further warrants that the product s compressor motor will be free from defects in materials and workmanship for five 5 years from the date of installation If upon examination by the Manufacturer the Compressor Motor is shown to have a defect in materials or workmanship during the warranty period the Manufacturer will repair or replace at its option that compressor which is shown to be defective Electrical parts such as relays overloads capacitors etc and the sealed refrigeration system condenser and evaporator are included in the one year limit
7. LTAGE TERMINAL BLOCK L PUMP RED LIGHT SAFETY ON PANEL SWITCH EVAP FAN SPEED EVAP FAN SWITCH CONTACTOR Lu GL SS 1 HIGH PRES CUT OUT LOW VOLTAGE TRANSFORMER HARD START COMPRESSOR KIT CONTACTOR 24 V Coil 24V LINE VOLTAGE 208 230V SINGLE PHASE COMPRESSOR WATER COOLED SPOT COOLER 208 230V MODEL PWC6012 208 230 V SINGLE PHASE Receptacle SINGLE PHASE Plug 5 30P 25 1 PHASE MONITOR INSTALLED CONTROL BOX LOW OBSERVE LED FOR START UP VOLTAGE TERMINAL BLOCK RED LIGHT ON PANEL i EVAP FAN PUMP EVAP FAN SERCH Se SAFETY gt CONTACTOR SWITCH HIGH PRES CUT OUT LOW VOLTAGE TRANSFORMER COMPRESSOR THREE PHASE CONTACTOR MONITOR 208 230V 3 PHASE COMPRESSOR mem 24V LINE VOLTAGE 208 230V 3 60 WATER COOLED SPOT COOLER G MODEL PWC6032 Raceptacle Plug L15 30P 208 230 VOLT THREE PHASE 26 Es PHASE MONITOR INSTALLED IN CONTROL BOX LOW OBSERVE LED FOR START UP VOLTAGE TERMINAL BLOCK RED LIGHT ON PANEL EVAP FAN 1 a SAFETY CONTACTOR SWITCH HIGH PRES CUT OUT HIGH VOLTAGE TRANSFORMER LOW VOLTAGE TRANSFORMER COMPRESSOR THREE PHASE CONTACTOR MONITOR 460V 3 PHASE COMPRESSOR 24V LINE VOLTAGE 460V 3 60 WATER COOLED SPOT COOLER G MODEL PWC3634 PWC6034 Receptacle Plug L16 20P 460 VOLT THREE PH
8. OCEANAIRE 7 providing a better climate anywhere series Portable Water Cooled Spot Cooler ENGINEERING INSTALLATION AND SERVICE MANUAL w WR COOLED 1 e 84 PWC60 9 PWC12 LED c UL USA ww 6228 Oakton Street Morton Grove IL 60053 OCEAN AIRE 66 Getaire 438 2473 Phone 847 583 0311 Fax 847 583 0312 we b site www oceanaire inc com gt e mail sales oceanaire inc com Form EISM PWC 110114 Rev 1 TABLE OF CONENTS PAGE GENERAL DESCRIPTION 1 PRODUCT DATA AND SPECIFICATIONG 2 UNIT DESCRIPTION Standard Features 3 Applications Operation 4 Electrical n aah 5 Use of Extension Cords 6 ee 7 12 OpllOnS as ES 13 14 15 Water Valve Adjustment 16 SERVICE Replacement Parts Procedure 17 Troubleshooting Guide 18 Preventive 19 DIAGRAMS Unit Intertor 20 Piping Schematic 21 Three Phase 22 Wiring 23 27 FORWARD This manual provides the user with basic details for the
9. ODE To operate unit for cooling push MODE button to display COOL in the window Push down arrow button multiple times to lower set point to desired temperature The display will show the set point temperature for 5 seconds then it will return to room temperature display After a slight pause the fan motor and compressor will start beginning the cooling cycle Remember the set point must be lower than the room temperature for the unit to start 72 MODE COOL OUTDOOR O x oo WAIT 4 MINUTES BEFORE RE STARTING The OUTDOOR and DAY NIGHT buttons are not used and do not effect unit opera tion This is a cooling only thermostat Select the temperature you want by pressing the A or Y buttons The word COOL and the temperature set point is displayed for 5 seconds To change display to Celsius simultaneously press the A and Y buttons Press them again to change back to Fahrenheit No batteries are reguired In the event of a power failure when the power is restored the thermostat will continue operating as if the power had never been off Compressor short cycle protection is built in to the thermostat A 4 minute time delay will protect the unit 15 WATER VALVE ADJUSTMENT All PWC units come eguipped with automatic pressure regulated water valves that con trol the condenser water flow rate The water valves will open when the system is running and will adjust the water flow rate as reguired b
10. OR WITH LED LED INDICATION GREEN BLINKING START DELAY GREEN PROPER OPERATION RED GREEN BLINKING PHASE REVERSAL RED BLINKING LEG VOLTAGE THREE PHASE OR PHASE LOSS MONITOR START DELAY 120 SECONDS 230V 025 045 460V 025 046 CONTROL BOX LABEL 22 OCEANAIRE oceanaire inc com LOW VOLTAGE TERMINAL BLOCK 1 j PUMP RED LIGHT SAFETY ON PANEL SWITCH EVAP FAN SPEED RUN EVAP FAN En RUN CONTACTOR TORRE cS HIGH PRES CUT OUT LOW VOLTAGE TRANSFORMER COMPRESSOR CONTACTOR 208 230V SINGLE PHASE COMPRESSOR WATER COOLED SPOT COOLER MODELS PWC1211 PWC1811 115V SINGLE PHASE MODELS PWC2412 PWC3612 208 230V SINGLE PHASE MV LINE VOLTAGE WirePWC1211 3612 112009 23 BK W THERMOSTAT PHASE MONITOR INSTALLED CONTROL BOX LOW OBSERVE LED FOR START UP VOLTAGE TERMINAL BLOCK RED LIGHT ON PANEL en GE I Zei br ME EVAP FAN SPEED SAFE E 1 m SWITCH I L I7 HIGH PRES CUT OUT EM E LOW VOLTAGE TRANSFORMER COMPRESSOR THREE PHASE CONTACTOR MONITOR cen YM tua s tum D ud au 208 230 3 PHASE COMPRESSOR MV VOLTAGE 208 230V 3 60 WirePWC3632 G 032009 Plug L15 20P Receptacle 24 THERMOSTAT LOW VO
11. OR AND CONDENSER FAN DO NOT START CAUSE Thermostat setting may be too high REMEDY Make sure set point is lower than room temperature You should see a snowflake designating that the thermostat is calling for cooling Note there is a 4 minute time delay for the compressor CAUSE Thermostat Loose wiring REMEDY Examine the control unit for loose wires Tighten any loose connections CAUSE Condensate Alarm Check for Condensate Alarm Light REMEDY Check condensate tank and empty tank or check condensate pump and make sure pump is working properly and that there is no kink in the drain line from the pump CAUSE High Pressure Cut out Check High Pressure Cut out Switch Press Reset and clear away any obstructions to the condenser intake or condenser discharge CAUSE Low Voltage Check power supply for voltage outside the range of 106 126 volts on the 115 Volt unit and 187 253 Volts on the 208 230 Volt unit REMEDY Have power checked by electrician and repaired CAUSE Compressor contactor open or burned REMEDY Replace contactor 18 PREVENTIVE MAINTENANCE PWC Spot Coolers are designed to last a long time and to give maximum performance and reliability with minimum maintenance To prolong the life of the unit regular maintenance must be performed as specified below BLOWER MOTORS The motors on all units have permanently lubricated bearings No oiling is necessary FILTERS A clogged filter will cause
12. OR INCIDENTAL DAMAGES OF ANY NATURE WHATSOEVER OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUND TO BE DEFECTIVE THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY EACH JURISDICTION c UL USA KH Ke 6228 Street Morton Grove IL 60053 OCEANAIRE 438 2473 Phone 847 583031 Fax 847 583 0312 web site www oceanaire inc com e mail sales oceanaire inc com Form EISM PWC 110114 Rev 1
13. ST 20 AMPS 250 VOLTS WITH GROUNDING TYPE ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR LOAD FITTING FOR MODEL PWC6012 AN EXTENSION CORD CAN BE USED PROVID ED IT IS RATED AT LEAST 30 AMPS 250 VOLTS WITH GROUNDING TYPE ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR LOAD FITTING FOR MODEL PWC3632 AN EXTENSION CORD MAY BEUSED PROVID ED IT IS RATED AT LEAST 20 AMPS 0 250 VOLTS 3 PHASE FOR MODEL PWC6032 AN EXTENSION CORD MA Y BEUSED PROVID ED IT IS RATED AT LEAST 30 AMPS 250 VOLTS 3 PHASE FOR MODELS PWC3634 AND PWC6034 AN EXTENSION CORD CAN BE USED PROVIDED IT IS RATED AT LEAST 20 AMPS 8 600 VOLTS 3 PHASE SPECIAL NOTICE THREE PHASE OPERATION Models PWC3632 PWC3634 PWC6032 and PWC6034 All three phase AOUACOOLER models are equipped with a three phase monitor for added compressor protection The phase monitor located in the control box has multi color LED that reports status The monitor protects the compressor from reverse operation phase loss and low voltage situations Further description of the three phase monitor is located in the electrical section of the manual NOTICE DO NOT OPERATE ANY THREE PHASE UNIT BY BY PASSING THE MONITOR THIS WILL VOID THE WARRANTY ACCESSORIES DDA 6 DDA 10 2DDA 16 DDA 16 NK 1 NK 2 2NK 3 10 12 16 HK 2 HK 3 HK 4 HK 5 HK 6 PWC UNIT NOZZLE KIT NK 1 2 X 4 Inch PWC12 NK 2 2 X 6 Inch PWC18 24 2NK 3 2x8 iNCH P
14. WC36 NK 3 2 X 8 Inch PWC60 EVAPORATOR RETURN AIR PLENUM DEP 10 10 Inch Round PWC12 DEP 12 12 Inch Round 18 24 DEP 16 16 Inch Round PWC36 60 DISCHARGE DUCT ADAPTER 6 Inch Round PWC12 DDA 10 10 Inch Round PWC18 24 2DDA 16 12 inch Round PWC36 DDA 16 16 Inch Round PWC60 DDA 6 HOSE HK 1 HK 2 HK 5 HK 3 HK 4 HK 6 KIT 10FT 25FT 40FT 10FT 25FT 40FT PWC PWC ACCESSORIES PWC 12 18 24 PWC 12 18 24 PWC 12 18 24 PWC 36 60 PWC 36 60 PWC 36 60 ACCESSORIES DISCHARGE AIR NOZZLE KIT ASSEMBLY NK 2NK The optional discharge nozzle kits are used to direct the conditioned air to a specific tar get area By concentrating the airflow the nozzles increase the air velocity towards production lines to cool personnel or eguipment server rooms the nozzles can be used to induce airflow through the rack to remove the hot air from the area of the eguip ment NK 1 for model PWC12 with 2 4 inch diameter nozzles with an approximate compressed length of 15 inches The approximate extended length is 21 inches NK 2 for models PWC 18 PWC24 with 2 6 inch diameter nozzles with an approximate compressed length of 22 inches The approximate extended length is 32 inches 2NK 3 for model PWC36 with 2 8 inch diameter nozzles with an approximate compressed length of 20 inches The approximate extended length is 29 inches NK 3 for model PWC60 with 2 8 inch diameter
15. are thoroughly inspected at the factory and carefully packaged If any damage is evident file a claim with the delivering carrier immediately ELECTRICAL REGUIREMENTS Check the nameplate located on the back of the unit to make certain that the proper power is available for the unit Refer to Specifications section for voltage and amperage reguirements For proper receptacles refer to Electrical service plug configuration When using extension cords use the properly sized cord as specified and check cord voltage to the unit TIME DELAY FUSES CIRCUIT BREAKERS ARE RECOMMENDED WARNING OPERATING THE UNIT ON IMPROPER VOLTAGE WILL VOID THE WARRANTY ACCESSORIES Verify that all accessories are correct for the model and that they installed in accordance with all instructions START UP Install the unit in accordance with all local and state building codes and install all accessories Allow for a clearance around the unit for future maintenance and or service Level unit and lock casters when available Connect power and test the LCDI on the power cord if available Power up unit via thermostat and check for proper operation Refer to Thermostat Operation for more details 14 THERMOSTAT OPERATION FAN When the power is connected the LCD screen on the thermostat will illuminate Pressing the FAN button once will turn on the evaporator fan blower To turn the blower off push the FAN button once again COOLING M
16. cut out shuts down the compres sor while the evaporator fan remains running The compressor can be re started once the condensing pressure has lowered by depressing the RESET button POWER CORDS All PWC units come with power cords convenient connection and portability All units except the 5 ton models and 3 phase models are equipped with LCDI for added safety devices APPLICATIONS SPOT COOLER The PWC can be used in an open environment to cool specific objects or spots Spot Cooling is a convenient and economical way to provide air conditioning where cooling the entire space is impractical Cool air is discharged from the unit and is directed where it is needed Nozzle kits can be used to improve direction of the cooling airflow ROOM AIR CONDITIONER One feature of the PWC is it operates as a room air conditioner because water is used as the means for heat rejection The major convenience of water cooled air conditioning is the convenience of connecting water hoses or lines as compared to the installation of condenser air ducts used for air cooled portables A variety of hose kits are available that can be used for connecting to a water supply and drain while providing portability within the conditioned space PWC OPERATION DESCRIPTION EVAPORATOR En FAN DISCHARGE COOL THERMOSTAT GRILL AND FILTER RETURN AIR INLET DRAIN WATER IN WATER OUT PWC FRONT VIEW SERVICE CORD
17. e NOTICE When using these hoses in applications with water pressures exceeding 50 PSIG a water pressure reducing valve must be installed in the water supply line prior to the hose kit otherwise warranty on the hose kits will be void All hose kits have FEMALE flare connectors to match the MALE flare fittings on the units see chart below The WATER IN connector consists of a 3 4 hose barb WATER OUT and DRAIN condensate have no fitting and can be fed to a sink or permanent drain When using a hose avoid sharp corners hot water pipes and kinking to assure proper water flow of the supply and return lines Included with the hose kit is a sink faucet adapter Een i pn TE AEE NN per RETO 2 Hose Kit 12 OPTIONS In some applications units can be manufactured with optional components for added performance and longevity Below are a few of the PWC options that are available for units Consult your distributor for pricing and availability TOWER UNITS In applications where the PWC is connected to a closed loop condenser water circuit a unit can be built for direct water connection without a water valve HIGH PRESSURE WATER VALVE For applications where water supply pressures exceed 150 psig a high pressure water regulating valve can be installed in the PWC Valves designed for use with up to 350 psig water inlet p
18. ed warranty but not with the five year limited warranty of the compressor This limited warranty does not apply a if the Product has been subjected to misuse or neglect has been accidentally or intentionally damaged has not been installed maintained or operated in accordance with the furnished written instructions or has been altered or modified in any way 5 to any expenses including or material incurred during removal or reinstallation of the Product to any workmanship of the installer of the Product This limited warranty is conditional upon i shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned with prior written approval from the Manufacturer All returns must be freight prepaid ii determination in the reasonable opinion of the Manufacturer that there exists a defect in material or workmanship Repair or replacement of any part under this Limited Warranty shall not extend the duration of the warranty with respect to such repaired or replaced part beyond the stated warranty period THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED AND ALL SUCH OTHER WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS LIMITED WARRANTY IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN ANY WAY FOR ANY CONSEGUENTIAL SPECIAL
19. emove the blower wheel set screw and disassemble the blower wheel from the motor shaft and remove the motor For models size 60 loosen blower wheel shaft set screw and remove the screws securing the motor mount to the blower housing and remove motor and mount Remove the motor from the motor mount 4 Install the new motor reversing the removal procedure B THERMOSTAT NO BATTERIES REQUIRED 1 Pull up from the bottom of the thermostat to remove it from the mounting sub base by gently prying up on the face plate in the slot at the base of the thermostat Make sure small thermistor located in the bottom of the thermostat for temperature sensing is not bent or damaged 2 To remove the thermostat sub base remove the 2 mounting screws and the 3 wires red yellow green or red white black Make sure the 3 wires do not fall into the cabinet Install sub base by reversing removal procedure C TANK FULL LIGHT To replace the Condensate Alarm Light on all models disconnect the wires from the lamp and bend the tinnerman clip retaining light and pull out Install new light reversing the procedure D CONDENSATE PUMP ON ALL 5 TON UNITS OR ON UNITS WHERE THE CONDENSATE PUMP KIT HAS BEEN INSTALLED 1 Open condensate bucket access door located on lower right side panel and locate the condensate pump 2 Remove brackets securing condensate pump in base pan or condensate tank tray pan 3 Disconnect pump wire leads at Molex connectors Remove
20. it with the entire cooling system fan motors and electrical components neatly arranged in a gray polyester powder coated metal cabinet When connected to the proper source of electrical power a 24 volt thermostat controls the PWC unit to provide the desired level of comfort and cooling A wide variety of accessories and factory installed options are availa ble for the PWC units allowing for improved performance and versa tility NOMENCLATURE PWC 2412 PORTABLE VOLTAGE WATER COOLED SINGLE PHASE NOMINAL CAPACITY CAPACITY RATING NOMINAL CAPACITY 12 12 000 BTU HR 18 18 000 BTU HR 24i 24 00 BTU HR 36 000 BTU HR ed 60 000 BTU HR WARRANTY CARD It is important that the warranty card be filled out completely and returned to the factory within fourteen 14 days of installation of the unit in order to receive the benefits of the warranty SPECIFICATIONS PWC MODEL PWC 1211 11811 2412 3612 3632 3634 6012 6032 6034 Nominal Cooling Capacity 1 12 000 18 000 23 950 36 100 36 100 36 100 60 100 60 100 60 100 Voltage Volts Phase at 60Hz 115 1 208 230 1 208 230 3 460 3 208 230 3 460 3 Unit Amps 5 8 1 11 3 9 9 12 0 9 3 47 23 7 16 5 6 3 Unit Watts 5 930 1300 2100 2700 2700 5000 5000 Rush Current Amps 9 50 69 55 48 165 149 75 Plug Type 5 15 5 15P 6 20P 6 20 L15 20P 116 20 6 30P L1
21. nozzles with an approximate compressed length of 20 inches The extended length is approximately 29 inches The nozzle kits come pre assembles with the nozzles secured to a mounting plate and with edge guards By removing the PWC discharge grill one can insert the nozzle kit into the opening without the use of tools Nozzle Kits ACCESSORIES EVAPORATOR RETURN AIR PLENUM DEP Evaporator return air plenums are available for installations where it is reguired to duct air to the inlet of the evaporator The evaporator return air plenums allow the user to connect round duct flexible or rigid to the return air intake to reduce air noise and increase the number of options for solving difficult cooling problems The plenum attaches to the front of the unit replacing the return air grill Refer to the table below for configuration and application information DEP 10 for PWC12 transitions the return air opening to 10 inch round duct DEP 12 for PWC 18 and PWC24 transitions the return opening to a 12inch round duct DEP 16 for PWC36 and PWC60 transitions the return opening to d6 inch round duct NOTE When a DEP is installed it is recommended to set the evaporator blower speed to high to avoid evaporator freeze up ll eege FILTER S DEP EVAPORATOR RETURN AIR PLENUM PWC12 PWC18 PWC24 1 12 30 1 16 inch 1 15 30 4 Eguivalent Feet Es
22. ressure are available CUPRO NICKEL CONDENSER When chemically treated water salt water or brine is used in the condenser coil it is rec ommended that the PWC be eguipped with a 90 10 Cupro Nickel condenser coil ACRYLIC TREATED EVAPORATOR COIL When airborne contaminants are a problem for air conditioning applications acrylic coat ed evaporator coils are recommended to guard against pitting or corroding HERESITE TREATED EVAPORATOR COIL For use in chemically corrosive environments the PWC can be manufactured with a Heresite coated evaporator coil for improved coil life HOT GAS BYPASS VALVE In applications where low evaporator temperatures may occur an optional hot gas by pass valve can be installed to regulate the evaporator temperature The bypass valve feeds refrigerant hot gas into the evaporator to avoid freeze ups 13 INSTALLATION INSTRUCTIONS RECEIVING INSPECTION Upon receiving your PWC unit inspect the packaging for any damage units are shipped a skid and packaged in a triple wall carton for added protection In shipment some wear may occur on the packaging If the packaging is heavily damaged or broken file a claim with the freight company immediately Carefully unpack the unit and remove all wrapping materials Save all documentation and fill out the Warranty Card and mail it to Oceanaire BEFORE INSTALLING Check the air conditioner spot cooler for any damage All Oceanaire products
23. retainer clamp and tubing 4 Replace pump install by reversing procedure E HIGH PRESSURE SAFETY SWITCH 1 Remove cabinets left hand side panel or right rear side panel of Model 60 2 Remove flare nut that secures capillary to the refrigeration system high pressure side A Schrader valve is located in the discharge port and allows removal without dumping the refrigerant charge 3 Remove two screws that retain high pressure switch 4 Disconnect wire leads from compressor contactor and condensate pump safety switch 5 Install new High Pressure Control reversing the procedure To gain access to compressor and compressor run capacitor remove left hand side panel 17 TROUBLESHOOTING GUIDE The following steps and procedures are recommended for correcting the problems indicated In the event that the problem can not be corrected service may be reguired SERVICE SHOULD BE PERFORMED BY A GUALIFIED AIR CONDITIONING SERVICE TECHNICIAN PROBLEM UNIT DOES NOT POWER UP CAUSE Power interruption REMEDY Check LCDI on models with LCDI and reset LCDI Check external power supply making sure that the disconnect is ON Check for blown fuses or tripped circuit breakers Reset or replace if needed PROBLEM NO DISPLAY ON THERMOSTAT CAUSE Faulty thermostat or faulty transformer REMEDY Thermostat may be defective remove and replace Transformer may be defective remove and replace PROBLEM EVAPORATOR FAN RUNS BUT COMPRESS
24. s a built in 4 minute time delay in the thermostat FAN SPEED CONTROL A two position rocker switch located next to the thermostat provides the user with the option of running the evaporator fan in high speed or low speed CONDENSATE PUMP All PWC units come equipped with an Automatic Condensate Pump that disposes of the condensate The pump discharges through a 3 8 male falre connection located on the back of the unit The automatic pump is capable of a 20ft lift to handle just about any installation reguirement CONDENSATE ALARM LIGHT On the front of all PWC models there is a Condensate Alarm Light RED located near the thermostat For models less than 5 tons the light indicates that the condensate tank is full and needs to be emptied In the 5 ton PWC units model PAC60 the light indicates a condensate pump over flow condition where the pump is either disabled or incapable of rejecting the condensate water and must be serviced FILTERS All PWC units are eguipped with washable filters at the air intakes 1 8 mesh air filters located behind the evaporator return air grill serve to filter the air before it is cooled The filters can be easily removed and cleaned HIGH PRESSURE SAFETY SWITCH Located on the back of the PWC unit is a manual re set high pressure switch used for the protection of the compressor in the event that the condenser water supply is turned off If the condensing pressure exceeds the limit setting the
25. t External Static 20 25 25 25 50 Pressure 10 ACCESSORIES Discharge Duct Adapter DDA 2DDA Discharge duct adapters are available for applications where ducted evaporator discharge is reguired The adapters can be easily installed on the unit without fasteners and be installed for either vertical or horizontal ducting The standard discharge grille is removed and the DDA is attached in the grill opening DDA 6 for PWC 12 converts the evaporator discharge to a 6 inch diameter round duct DDA 10 for PWC 18 PWC24 converts the evaporator discharge to a 10 inch diameter round duct 2DDA 16 for PWC36 models converts the evaporator discharge to a 16 inch diameter round duct DDA 16 FOR PWC60 models converts the evaporator discharge to a 16 inch round duct When used in conjunction with the evaporator return air plenum DEP the unit can pro vide closed loop cooling to and from a given space without the influence of any outside air NOTE When DDA is installed it is recommended to set the evaporator blower speed to high to avoid evaporator freeze up g m em v j me we x 7 me jv mew Ire Lp T Eguivalent Feet 11 ACCESSORIES Hose Kit HK Hose kits are available lengths of 10 25 and 40 feet Each hose kit allows for convenient installation of the PWC while allowing for portability within the allowable spac
26. x Compressor PWC INTERIOR 20 EVAPORATOR COIL SUCTION LINE EVAPORATOR BLOWER O gt ACCESS gt oAA VES CONDENSER COIL COMPRESSOR PIPING SCHEMATIC Water Cooled Spot Cooler 21 Three Phase Monitor Three Phase units can be eguipped with monitors for compressor protection The Oceanaire Three phase Monitor safeguards the unit against incorrect compressor rotation low voltage and or loss of power in any one of the power legs The monitor is installed in the control box and is eguipped with an LED for diagnosis of an improper electrical condition see diagrams below When power is connected the compressor WILL NOT power up until the monitor start delay has been timed out If the compressor does not power up an electrical condition may need to be addressed Remove the control box cover and check the observe the LED on the phase monitor The LED signals the following GREEN BLINKING Start delay 120 sec GREEN Proper Operation RED GREEN BLINKING signals reverse phase rotation Switch any two of the power leads for the unit NOT THE MONITOR LEADS and re start RED BLINKING signals improper voltage and or phase loss Correct the power problem then re start the unit In the event of a power interruption the unit will re set to a start up condition The Phase Monitor will not allow the compressor to start until power is corrected LED NOTICE UNIT IS EGUIPPED WITH 3 PHASE POWER MONIT
27. y the air conditioning system In some cases water temperatures can cause the valve to open and close at a high rate causing a chattering condition in the water supply line In these cases it is recommend ed that the water valve be adjusted 1 Disconnect the unit power 2 Remove the unit back panel and the water regulating valve in the lower right region of the unit 3 Locate the water valve adjustment screw At the top of the valve there is a sguare shaped adjustment screw 4 Turn the adjustment screw 1 4 turn re start the unit and observe operation to see if the chattering goes away Make 1 4 turn adjustments and observe the unit operation until the condition goes away 5 Close up the unit and POWER Water Valve Adjustment Screw 16 REPLACEMENT PROCEDURE FOR PARTS IT IS RECOMMENDED THAT ALL OCEANAIRE UNITS BE SERVICED BY A LICENSED TECHNICIAN WARNING TO AVOID INJURY DISCONNECT UNIT POWER PRIOR TO SERVICING A FAN MOTORS 1 Remove cabinet s left side panel when looking at the front of the unit 2 Evaporator fan motor disconnect evaporator motor wires from evaporator fan contactor and fan speed rocker switch Condenser fan motor disconnect condenser motor wires from condenser fan contactor 3 For all model sizes 12 18 and 36 remove the screws securing motors and inlet ring to blower housings all screws are external and visible and remove blower wheel motor assembly R
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