PWC Engineering, Installation & Service Manual
Contents
1. not used and do not effect unit operation This is a cooling only thermostat Select the temperature you want by pressing the A or V buttons The word COOL and the temperature set point is displayed for 5 seconds To change display to Celsius simultaneously press the A and buttons Press them again to change back to Fahrenheit No batteries are required 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 PWC units come equipped with an automatic pressure regulated water valve which controls the condenser water flow rate The water valve will open when the system is running and will adjust the water flow rate based on the temperature of the supply water 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 recommended that the water valve be adjusted 1 Disconnect the unit power 2 Remove the unit back panel and locate 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 square shaped adjustment screw 4 Turn the adjustment screw 1 4 turn CCW to raise the low side operating pressure o2. lt RUN SWITCH CAP 9 PUMP 4 EVAP FAN SAFETY E CONTACTOR SWITCH FAN MOTOR HIGH PRES CUT OUT LOW VOLTAGE TRANSFORMER COMPRESSOR THREE PHASE CONTACTOR MONITOR 208 230V 3 PHASE COMPRESSOR 24 V LINE VOLTAGE r ITI DES Q 208 230 3 60 WATER COOLED SPOT COOLER MODEL PWC6032 Receptacle Plug L15 30P 208 230 VOLT THREE PHASE WIRING SCHEMATIC FOR PWC3634 and PWC6034 LOW VOLTAGE TERMINAL BLOCK RED LIGHT ON PANEL 230 m COND FAN PUMP JL EVAP FAN pea RUN SAFETY SWITCH l EVAP l FAN MOTOR l HIGH PRES CUT OUT l 2 Le HIGH VOLTAGE 1 1 TRANSFORMER gg L 000000 VS LOW VOLTAGE TRANSFORMER COMPRESSOR coNTACTOR MONITOR 18 FEES ___ ______________ B iS J 460V 3 PHASE COMPRESSOR LINE VOLTAGE WATER COOLED SPOT COOLER MODEL PWC3634 PWC6034 P Plug L16 20P 460 VOLT THREE PHASE 27 LIMITED WARRANTY The Manufacturer OceanAire Inc warrants to the original owner that the Produc
3. Compressor LRA 7 50 63 EvapCFM 40 1 8 1 8 5 8 20 Ft Lift 3 8 MF Connection On Unit DRAIN R410ACharge Oz is D Height Without Casters in 28 1 2 C Deph n 1318 Shipping Weight Shipping Volume cu ft 19 542 2 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 2 6 20P 4 co e e e 3 5 amp l l2i lieiec ai ie m eiae aes DS 5 p N 21 1 2 4 1 2 _ N 4 e D S D 28 1 4 e d NOTES 1 Dedicated Circuit and Time Delay fuse or circuit breaker are recommended 2 Cooling Capacity is total BTUH at 80 DB 67 WB return air with 85 EWT and 105 LWT 3 CFM with free discharge 4 Cooling EER is determined at high fan speed 5 Sound Pressure dB at 5 feet commercial operation 6 Amps amp Watts at 208 Volts 208 230 V Models C 7 COOLING AMBIENT OPERATING RANGE 65 TO 105 May COOL down to 55 if equipped with hot gas bypass factory installed lt B gt lt c gt NOT APPROVED FOR OUTDOOR USE WARRANTY ALL OCEANAIRE PRODUCTS ARE COVERED BY THE OCEANAIRE LIMITED WARRANTY 1 YEAR ON THE FULL PRODUCT PLUS 4 ADDITIONAL YEARS FOR THE COMPRESSOR RESTRICTIONS APPLY 4 wrar 2 WATE
4. OCEANAIRE providing a better climate anywhere 7 PWC series Portable Water Cooled Spot Cooler ENGINEERING INSTALLATION AND SERVICE MANUAL I 6 E WE COOLED 1 w tJ PWC6O PWC12 USA 228 Oakton Street Morton Grove IL 60053 FAN RE 1 GET AIRE pea 2473 Phone 847 583 0311 847 583 0312 b site www oceanaire inc com e mail sales oceanaire i Inc com Form EISM PWC 030115 Rev 1 TABLE OF CONTENTS PAGE GENERAL INFORMATION 1 PRODUCT DATA AND SPECIFICATIONS 2 UNIT DESCRIPTION Standard 5 3 Applications Operation 4 Electrical Configurations 5 Use of Extension 6 ACCESSOS suia 7 12 Options Special Order 13 14 B 15 SERVICE Water Valve Adjustment 16 tero era bn 17 Replacement Parts Procedure 18 Troubleshooting Guide 19 Preventive Maintenance 20 DIAGRAMS Piping 21 Single Phase Wiring Diagrams 22 23 Three Phase 24 Three P
5. DUCT ADAPTER 6 Inch Round PWC12 DDA 10 10 Inch Round PWC18 24 2DDA 16 16 inch Round PWC36 DDA 16 16 Inch Round 60 DDA 6 HOSE KIT HK 1 HK 2 HK 5 HK 3 HK 4 HK 6 10FT 25FT 40FT 10FT 25FT 40FT PWC 12 18 24 PWC 12 18 24 PWC 12 18 24 PWC 36 60 PWC 36 60 36 60 ACCESSORIES DISCHARGE AIR NOZZLE KIT ASSEMBLY The optional discharge nozzle kits are used to direct the conditioned air to a specific target area By concentrating the airflow the nozzles increase the air velocity towards production lines to cool personnel and or equipment In server rooms the nozzles can be used to direct the airflow through the rack to remove the hot air from the area of the equipment 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 2 for models PWC18 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 3 for model PWC60 with 2 8 inch diameter 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 g
6. ATER COOLED SPOT COOLER MODELS PWC1211 PWC1811 115V SINGLE PHASE T 7 MODELS PWC2412 PWC3612 208 230V SINGLE PHASE 22 WIRING SCHEMATIC FOR PWC6012 THERMOSTAT LOW VOLTAGE TERMINAL BLOCK PUMP RED LIGHT SAFETY ON PANEL l l l l l EVAP FAN SPEED RUN EVA FAN SWITCH CAP CONTACTOR l l 9 1 e lt l a MOTOR ut MIR HD HIGH PRES CUTOUT LOW VOLTAGE TRANSFORMER 522 COMPRESSOR CONTACTOR l HARD START 24V LINE VOLTAGE 208 230V SINGLE PHASE COMPRESSOR WATER COOLED SPOT COOLER MODEL PWC6012 208 230V 208 230 V SINGLE PHASE Receptacle SINGLE PHASE Plug 6 30P 23 THREE PHASE MONITOR Three Phase units are equipped with monitors for motor 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 equipped with an LED for diagnosis of an improper electrical condition see diagrams below When power is connected the compressor WILL NOT engage until the monitor start delay has timed out If the thermostat does not power up an electrical condition may need to be addressed Remove the control box cover and observe the LED on the phase monitor The LED signals t
7. C can be manufactured with a Heresite dipped evaporator coil for improved coil life HOT GAS BYPASS VALVE In applications where low evaporator temperatures may occur an optional hot gas bypass valve can be installed to regulate the evaporator temperature The bypass valve feeds refrigerant hot gas into the evaporator to avoid low ambient freeze ups MARITIME WATER VALVE Cast naval bronze body with MONEL parts MONEL is a natural alloy and is highly re sistant to corrosion 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 13 INSTALLATION INSTRUCTIONS RECEIVING INSPEC TION Upon receiving your unit inspect the packaging for any damage All units are shipped on a skid and packaged in a triple wall carton for added protection BEFORE INSTALLING Check the unit for any damage All OceanAire products are thoroughly inspected at the factory and carefully packaged If any damage is evident contact OceanAire IMMEDIATELY ELECTRICAL REQUIREMENTS Check the nameplate located on the back of the unit to confirm the proper power is available for the unit Refer to Specifications section for voltage and amperage requirements For proper NEMA receptacles refer to Electrical service plug configuration When using extension cords use the proper gauge cord and check cord voltage to the unit TIME DELAY FU
8. ED located near the thermostat The light indicates a condensate pump over flow condition where the pump is either disabled or incapable of removing the condensate water and must be serviced FILTERS PWC units are equipped with a washable filter at the air intake An electrostatic mesh air filter is located behind the evaporator return air grille to filter the air before it is cooled keeping the coil free from dust build up The filter 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 switch cycles off the compressor while the evaporator fan remains running The high pressure switch is also wired in se ries with the condensate pump If a failure occurs with the operation of the pump circuit the HP switch will open Once the water interruption condensate pump failure has been corrected turn the unit off reset the switch by depressing the red RESET button on the back of the unit and restart the unit POWER CORDS PWC units come with power cords convenient connection and portability All models except for the 3 phase and 5 ton units are equipped with LCDI for added safety devices 3 5 SPOT COOLER The PWC can be used in an open environment to cool specif
9. ESSORIES Discharge Duct Adapter Discharge duct adapters are available for applications where ducted evaporator discharge is required 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 grille opening DDA 6 for PWC12 converts the evaporator discharge to a 6 inch diameter round duct DDA 10 for PWC18 and 24 converts the evaporator discharge to a 10 inch diam eter round duct 2DDA 16 for PWC36 converts the evaporator discharge to a 16 inch diameter round duct DDA 16 for PWC60 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 DDA is installed it is recommended to set the evaporator blower speed to high to avoid evaporator coil freeze up T Duct Size __ _ jv _____ 51 Equivalent Feet inn 11 ACCESSORIES Hose Kit Hose kits are available in lengths of 10 25 and 40 feet Each hose kit allows for conven ient installation of the PWC while allowing for portability within the allowable space NOTE When u
10. R COOLED ips 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 sound absorbing insulation for cool quiet comfort All units come equipped with handles and swivel casters for portability and convenient set up ELECTRONIC THERMOSTAT PWC units are equipped with a non programmable electronic thermostat When power is connected to the unit the thermostat will control the unit to cool a space to the desired temperature The thermostat is also capable of controlling the fan to operate automatically when needed or continuously To protect the compressor from short cycling there is a built in time delay in the thermostat In the event of a power outage all thermostat settings are saved and the unit will re start automatically FAN SPEED CONTROL A two position rocker switch located next to the thermostat provides the user with the option of running the evaporator fan at high speed or low speed CONDENSATE PUMP PWC units come equipped with an Automatic Condensate Pump that removes the condensate The pump discharges through a 3 8 male flare connection located on the back of the unit The pump is capable of pumping to a 20 foot height to handle almost any installation requirement CONDENSATE ALARM LIGHT On the front of all PWC models there is a Condensate Alarm Light R
11. S 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 600 VOLTS 3 PHASE SPECIAL NOTICE THREE PHASE OPERATION Models PWC3632 PWC3634 PWC6032 and PWC6034 All three phase 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 po NOT OPERATE ANY THREE PHASE UNIT BY BYPASSING THE MONITOR THIS WILL VOID THE WARRANTY PWC ACCESSORIES NOZZLE KIT ee 6 ADAPTER LO Ue ROUND FLEX DUCT SOLD SEPARATELY EVAPORATOR RETURN AIR PLENUM ROUND FLEX DUCT SOLD SEPARATELY NOZZLE KIT NK 1 2X4 Inch PWC12 NK 2 2 6 PWC18 24 2 3 2 x 8 Inch PWC36 NK 3 2X8 Inch PWC60 PWC ACCESSORIES EVAPORATOR RETURN AIR PLENUM DEP 10 10 Inch Round PWC12 DEP 12 12 Inch Round PWC18 24 DEP 16 16 Inch Round PWC36 60 DISCHARGE
12. SES 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 are 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 MODE 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 COOL OUTDOOR DAY NIGHT WAIT 4 MINUTES BEFORE RE STARTING The OUTDOOR and DAY NIGHT buttons
13. SO HAVE OTHER RIGHTS WHICH MAY VARY BY EACH JURISDICTION 28 END USER 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 29 TECH NOTES C gt S 6228 Oakton Street Morton Grove IL 60053 Q FAN 1 866 GET AIRE 438 2473 Phone 847 583 0311 847 583 0312 web site www oceanaire inc com e mail sales oceanaire inc com Form EISM OWC 030115 Rev 1
14. ditions such as loss of power power surges voltage irregularities such as brown outs or phase loss on three phase equipment C any expenses including labor or material incurred during removal or reinstallation of the Product d any workmanship of the installer of the Product This limited warranty is conditional upon a return to the Manufacturer of the 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 b determination in the reasonable opinion of the Manufacturer that there exists a defective 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 EXPRESSED 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 CONSEQUENTIAL SPECIAL 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 AL
15. e 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 CONDENSER ALARM LIGHT To replace the Condensate Alarm Light 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 1 Remove brackets securing condensate pump in base pan or condensate tank tray pan 2 Disconnect pump wire leads at Molex connectors Remove retainer clamp and tubing 3 Replace pump install by reversing procedure E HIGH PRESSURE SAFETY SWITCH 1 Remove cabinet right 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 losing the refrigerant charge 3 Remove two screws that secure 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 18 TROUBLESHOOTING GUIDE The following s
16. hase Wiring Diagrams 25 27 WARRANTY 28 END USER INFORMATION 29 TECH NOTES reiten Back Page FORWARD This manual provides the user with basic details for the installation and operation of the OceanAire PWC spot cooler It is recommended to read and fully understand the instruc tions outlined within this manual before operating the PWC unit As with all commercial air conditioning equipment it is recommended to have the PWC sized and installed by a licensed specifying engineer and contractor in accordance with all local and state codes The length of service received can 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 num ber of the PWC unit when contacting the factory GENERAL INFORMATION The OceanAire is a portable water cooled air conditioner designed for permanent 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 All 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 specif
17. he 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 unit to start until power is corrected LED NOTICE UNIT IS EQUIPPED WITH 3 PHASE POWER MONITOR WITH LED LED INDICATION GREEN BLINKING START DELAY GREEN PROPER OPERATION RED GREEN BLINKING PHASE REVERSAL RED BLINKING IMPROPER LEG VOLTAGE OR PHASE LOSS START DELAY 120 SECONDS CONTROL BOX LABEL THREE PHASE MONITOR 24 WIRING SCHEMATIC FOR PWC3632 LOW VOLTAGE TERMINAL BLOCK HIGH PRES CUT OUT THREE PHASE MONITOR WirePWC3632 052009 PUMP SAFETY SWITCH 230 V em COND PUMP RED LIGHT ON PANEL LOW VOLTAGE TRANSFORMER Receptacle 208 230V 3 60 Plug L15 20P 25 EVAP FAN CONTACTOR 24 V Coil COMPRESSOR CONTACTOR 24 V Coil e T e G H 4 EVAP FAN SPEED RUN SWITCH CAP P FAN MOTOR 208 230V 3 PHASE COMPRESSOR 24V LINE VOLTAGE WIRING SCHEMATIC FOR PWC6032 LOW VOLTAGE TERMINAL BLOCK RED LIGHT ON PANEL 230 V COND RUME EVAP FAN
18. ic areas or objects through a discharge grille located on the upper front of the unit The PWC models range in cooling capacities from 12 000 BTU HR to 60 000 BTU HR to satisfy most space cooling requirements The PWC is a self contained unit with the entire cooling system blower assembly electri cal refrigerant and waterside 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 available for the PWC units allowing for improved performance and versatility NOMENCLATURE P WC 36 12 PORTABLE aa VOLTAGE WATER COOLED PHASE 1 or 3 NOMINAL CAPACITY CAPACITY RATING jr 12 000 BTU HR pn 18 000 BTU HR 24 000 BTU HR 36 36 000 BTU HR 2224 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 MODEL PWG___ 1211 1817 H H 5 8 5 8 8 8 5 8 5 Cooling Capacity 12000 _ 18 Voltage Volts Phase at G0Hz Unit Amps Unit Watts In Rush Current Amps 56 Plug Type 5 15P 129 ComprssorHP __ 112 2 Compressor RLA 195 123 105
19. ic 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 advantage 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 kit lengths are available that can be used for connecting to a water supply and drain while providing portability within the conditioned space DESCRIPTION EVAPORATOR FAN DISCHARGE COOL THERMOSTAT GRILLE AND WASHABLE FILTER RETURN AIR INLET WATER IN WATER OUT ELECTRICAL CONFIGURATION Series units are equipped with a standard 10 foot long service cord with plug configurations and receptacle requirements as shown in this chart PWC1211 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 connecti
20. 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 pump housing and check for obstructions Clean as needed 4 Clean the housing with warm water and mild soap when mineral deposits are visible 5 Check the inlet and outlet 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 qualified service technician 20 PIPING SCHEMATIC EVAPORATOR COIL SUCTION LINE EVAPORATOR BLOWER O gt ACCESS gt VALVES CONDENSER COIL COMPRESSOR PIPING SCHEMATIC Water Cooled Spot Cooler 21 WIRING SCHEMATIC FOR PWC1211 PWC1811 PWC2412 and PWC3612 THERMOSTAT l LOW VOLTAGE TERMINAL BLOCK RED LIGHT SAFETY ON PANEL EVAP FAN CONTACTOR FAN MOTOR J l HIGH PRES CUT oUT LOW VOLTAGE TRANSFORMER 727 renee COMPRESSOR CONTACTOR 208 230V SINGLE PHASE COMPRESSOR W
21. on reliability Refer to the chart below for plug and receptacle details for all PWC models A DAMAGED LCDI POWER SUPPLY CORD MUST BE REPLACED WITH A 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 15 208 230 VOLT SINGLE PHASE PWC2412 204 250 VOLT NEMA 6 20R PWC3612 NEMA 6 20P 208 230 VOLT SINGLE PHASE 30A 250 VOLT NEMA 6 30P PWC6012 208 230 VOLT 3 PHASE 20A 250 VOLT NEMA L15 20R 50005632 NEMA L15 20P 208 230 VOLT 3 PHASE 30A 250 VOLT NEMA L15 30R PWC6032 NEMA L15 30P 460 VOLT 3 PHASE PWC3634 SEAT 7 L16 20R PWC6034 5 USE OF EXTENSION CORDS CAUTION FOR MODELS PWC1211 AND PWC1811 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 IS RATED AT LEAST 20 AMPS 250 VOLTS WITH GROUNDING TYPE ATTACHMENT PLUG AND GROUNDING TYPE CONNECTOR LOAD FITTING FOR MODEL PWC6012 AN EXTENSION CORD CAN BE USED PROVIDED IT IS RATED AT LEAST 30 AMPS 250 VOLTS WITH GROUNDING TYPE ATTACH MENT PLUG AND GROUNDING TYPE CONNECTOR LOAD FITTING FOR MODEL PWC3632 AN EXTENSION CORD CAN BE USED PROVIDED IT IS RATED AT LEAST 20 AMPS 250 VOLTS 3 PHASE FOR MODEL PWC6032 AN EXTENSION CORD CAN BE USED PROVIDED IT I
22. r CW to lower the low side operating pressure 5 Re install the back panel and turn the unit on Water Valve Adjustment Screw 16 PWC INTERIOR Evaporator Blower High Pressure Evaporator Reset Switch Saas l 5 M mS Water Valver Condensate Control Emp Box Compressor 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 MOTOR 1 Remove cabinet 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 3 For all model sizes 12 18 24 and 36 remove the screws securing motor and inlet ring to blower housing all screws are external and visible and remove blower wheel motor assembly Remove the blower wheel set screw and disassemble the blower wheel from the motor shaft and remove the motor For model 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 th
23. sing 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 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 fittings and can be fed to a sink or permanent drain When using a hose kit avoid sharp corners hot water pipes and kinking to assure proper water flow of the supply return and drain lines Included with the hose kit is a sink faucet adapter Flare Conn IN OUT 12 SPECIAL ORDER ITEMS 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 Consult your distributor for pricing and availability CUPRO NICKEL CONDENSER When chemically treated water salt water or brine is used in the condenser coil it is recommended that the PWC be equipped with a 90 10 Cupro Nickel condenser coil 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 pressure are available HERESITE TREATED EVAPORATOR COIL For use in chemically corrosive environments the PW
24. t 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 Product is shown to have a defect in materials 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 Compressor warranty shall be pro rated for years 2 5 at the sole discretion of OceanAire Electrical parts such as relays overloads capacitors etc and the sealed refrigeration system condenser and evaporator are included in the one year limited warranty but not with the five year limited warranty of the compressor This limited warranty does not apply to a Product that 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 b Product that has been subjected to any abnormal power con
25. teps and procedures are recommended for correcting the problems indicated In the event that the problem can not be corrected service may be required SERVICE SHOULD BE PERFORMED BY A QUALIFIED AIR CONDITIONING SERVICE TECHNICIAN PROBLEM UNIT DOES NOT POWER UP CAUSE Power interruption REMEDY Check LCDI if equipped and reset Check external power supply making sure that the disconnect is ON Check for blown fuses or tripped circuit breakers Reset or replace as needed PROBLEM NO DISPLAY ON THERMOSTAT AFTER POWER ON CAUSE Loose display cable faulty thermostat or transformer contactor REMEDY Check display cable re seat connectors Thermostat may be defective remove and replace Check transformer and or contactor s remove and replace PROBLEM EVAPORATOR FAN RUNS BUT COMPRESSOR DOES NOT START CAUSE Thermostat set point is 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 time delay for the compressor CAUSE Thermostat Loose display cable REMEDY Examine the thermostat for a loose cable connection Re seat the display cable CAUSE Condensate Alarm REMEDY 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 Inadequate turned off condenser water supply REMEDY Verify condenser water suppl
26. uards By removing the PWC discharge grille one can insert the nozzle kit into the opening without the use of tools Nozzle Kits ACCESSORIES EVAPORATOR RETURN AIR PLENUM Evaporator return air plenums are available for installations where it is required 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 re placing the return air grille 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 PWC18 and PWC24 transitions the return opening to a 12 inch round duct DEP 16 for PWC36 and PWC60 transitions the return opening to a16 inch round duct a DEP is installed it is recommended to set the evaporator blower speed to high to avoid evaporator coil freeze up 555555555 SSS NS FILTER S DEP EVAPORATOR RETURN AIR PLENUM Plenum Kit Duct PWC12 PWC18 PWC24 PWC36 PWC60 FILTERS Flange 7 16 2 S 1 15 30 1 16 inch 1 10 X30 X1 Maximum Equivalent Feet Est External Static 20 25 25 25 50 Pressure 10 ACC
27. y Check High Pressure Cut Out Switch Press Reset RED Button on back of unit Re start unit CAUSE Supply Voltage Check power supply for voltage outside the range of 106 126 volts on the 115 Volt units and 187 253 Volts on the 208 230 Volt units REMEDY Have power checked by electrician and repaired CAUSE Transformer shows open coil circuit failure REMEDY Replace line voltage low voltage transformer CAUSE Compressor Contactor failure 3 and 5 ton units REMEDY Replace compressor contactor 19 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 MOTOR The evaporator motor on all units have permanently lubricated bearings No oiling is necessary FILTERS A clogged filter will cause the unit to operate at greatly reduced efficiencies We recommend that the filter be inspected on a regular basis every six weeks or less depending on the environment The evaporator filter is located behind the return air grille and can be easily removed and cleaned The filter must be washed periodically as needed by placing it in a dishwasher or soaking it 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
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