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L-2086

1. Altomarine Location Noumea New Caledonia Phone 687 25 96 12 Fax 687 25 43 30 E mail altomar altomarine com New Zealand Puerto Rico Whiting Power Systems Location Auckland New Zealand Phone 64 9 358 2050 Fax 64 9 358 0285 E mail sales 9 whiting co nz Web www whitingpower com Norway Refnor A S Location ster s Norway Phone 47 67 14 07 50 Fax 47 67 14 70 88 E mail refnor as c2i net Oman Hi Tech Projects LLC Location Muscat Oman Phone 968 595056 57 58 Fax 968 595054 E mail hitech1 omantel net om Mantech Location Dubai United Arab Emirates Phone 971 4 333 25 42 971 4 333 06 49 E mail emirates net ae Pakistan Communications amp Machinery Corp Location Karachi Pakistan Phone 92 21 5678252 Fax 92 21 5683283 E mail cmcorp cyber net pk Panama Costa Rica Yacht Sales Location Marina Los Sue os Playa Herradura Costa Rica Territory Costa Rica Panama Phone 506 637 7181 Fax 506 637 7180 E mail airwick costarica net Productos Marine Air Location La Chorrea Panama Territory Panama Phone 507 232 5406 Fax 507 232 7648 E mail masters sinfo net Papau New Guinea Lohberger Engineering Pty Location Pors Moresby Papau New Guinea Phone 675 321 2122 Fax 675 321 2704 E mail loheng online net pg Philippines Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 118
2. Phone Fax Web Portsmouth Rhode Island USA Rhode Island 401 683 3520 401 683 3633 www cayelectronics com Nautical Air Conditioning Inc Location Phone Fax E mail Web Copiague NY USA 631 956 3456 631 956 3479 sales nauticalair com www nauticalair com South Carolina Atlantic Boat ACR Location Phone Fax E mail Charleston SC USA 888 529 0122 843 529 0101 abacr aol com Martin s Marine Location Territory Phone Fax Wilmington NC USA North Carolina and Myrtle Beach SC 910 799 9362 910 793 4267 South Dakota A E R Supply Inc Location Phone Fax E mail Seabrook TX USA 281 474 3276 281 474 2714 rsmiller aersupply com L 0384 Revised 11 10 04 Tennessee Thom Chase Heating and A C Location Chattanooga TN USA Territory Northern Alabama Northern Mississippi Tennessee Western Kentucky Phone 423 344 6356 Fax 423 344 6356 E mail thomchase aol com Texas A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Utah A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales 9 southerncalmarine com Web www southerncalmarine com Virginia Lamy Marine Inc Location
3. Fax 441 293 5740 E mail bermudabanger ibl bm Botswana Seabreeze Industries Location Coomera Queensland Australia Phone 61 7 55806371 Fax 61 7 55806372 E mail seabreez bigpond net au Web www seabreeze industries com au Austria Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Brazil Dometic Marine Italy Sales Company Location Milano Italy Phone 390 26172583 Fax 390 266010223 E mail marine info dometic it Nautica Centis di Nespolo Cinzia amp C Sne Location Bevazzana de Latisana UD Italy Territory Northeast Italy Austria Croatia Slovenia Phone 390 431 53 644 Fax 390 431 53 460 E mail nautica centis nauticacentis it Web www nauticacentis it Bahamas Sailing Products Location Rio de Janeiro Brazil Phone 55 0 21 3154 9990 55 0 21 2494 7223 E mail sailing 9 sailing com br Sailing Products Location Sao Paulo Brazil Phone 55 0 11 81 1985 55 0 11 81 1936 British Virgin Islands Freezing Point Ltd Location Nassau Bahamas Phone 242 325 3589 Fax 242 356 5271 E mail freezingpoint 9 bahamas net bs Nixon s Refrigeration Location Abaco Bahamas Territory Abaco Island only Phone 242 367 5219 Fax 242 367 5219 E mail seannixon email com Bahrain Cay Electronics Ltd Location Tortola British Virgin Islands Phone
4. Regis Electronics St Lucia LTD Location St Lucia West Indies Phone 758 452 0205 Fax 758 452 0206 E mail stlucia regiselectronics com Zambia Coral Bay Marine Service Location St John U S Virgin Islands Phone 340 776 6859 Fax 340 776 6859 Dr Ice Location St Thomas US Virgin Islands Territory St Thomas Phone 340 775 4540 Fax 340 775 6575 E mail lastlaugh44 pennswoods net Reefco Location St Thomas U S Virgin Islands Phone 340 776 0038 Fax 340 776 0038 E mail dennyedy viaccess net St Croix Marine Corp Location St Croix U S Virgin Islands Phone 340 773 0289 Fax 340 778 8974 E mail stcroixmarine hotmail com United Arab Emirates Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Zimbabwe Mantech Location Dubai United Arab Emirates Phone 971 4 333 25 42 Fax 971 4 333 06 49 E mail emirates net ae United Kingdom Ing Hai Company Ltd Location Kaohsiung Taiwan Phone 886 7 802 1809 Fax 886 7 802 1809 Ing Hai Company Ltd Location Taipei Taiwan Phone 886 2 2531 2088 Fax 886 2 2523 6531 E mail inghai tpts6 seed net tw Dometic Marine United Kingdom Sales Company Location Poole Dorset United Kingdom Phone 44 0 870 3306101 Fax 44 0 870 3306102 E mail sales dometicmarine com Web www dometic com Southern Power
5. The switch assembly should be mounted on a vertical bulkhead where it can easily be seen and reached There should be rear access with sufficient clearance for the wiring and the protective cover The thermostat bulb is on a 10 ft 8m long capillary tube and the switch assembly must be installed close enough to the unit so the bulb can be mounted in the return air path Remote condensing systems use SA type switches which have terminal strips that must be mounted to the back of the bulkhead where all field wiring terminates This location must be easily accessible for wiring connections and service One and two knob slave switch assemblies should be installed in the cabin where the slave cooling unit is operating Mounting Cut a hole in the bulkhead using the template shipped with the switch or one from the back of this manual See Figures 13a and 13b for templates and switch dimensions Attach the terminal strip to an accessible location on the back of the bulkhead remote systems only Self contained systems have a 10 foot 3m harness with a plug that con nects to the self contained unit Carefully route the thermostat bulb from the switch to the return air path of the unit so the capillary tube does not get kinked The large bulb must sense the return air and not touch the evaporator coil If a second smaller anticipator bulb is attached to the main bulb it should be installed into the discharge duct After making all wi
6. ui LOVdWOD AVMWMOLS 9 91 S4HS WVYOVIG NIXIM N Q3NIVINOO 414 305535409 HOLIMS 34165354 SOLON 434018 AINO 31949 3Su3A34 109 qION310S 1 vif G34 1HM lVISONMH3HL 91 N3385 wif O34 1HM vif 3idund 91f 91 39Nv3O FdyNd N3385 xog JONVEO 75714193713 7139 gnia 33S AlddNS 33MOd Wo 70 80 20 v0 pa3iold LO0 6S90VO O91d OL SION 30 14102 V NI 931531402 10 85690 JidNnd vif OL 34 HOLIMS dH 934395402 38 TIVHS NOILVYOdY02 00 11999 5 91 9 5 Ol NOILdRIOS3G WO4 1435402 NILLIYM 1nOHLIM 3118191500 YO OL ldWillY ANY 2LL3WOG 30 ALi3dOMd SI_LN3WN200 NOISIA3H SIHL NIHLIM G3NIVINOD NOLIVWHOJNI 310N ANvi3hidONd 66 v2 6 Fig 17 SHF24 C StowAway Compact w 3 knob Control Wiring 601010LIN JIESInJ7 91 2H09 0S 2vAO Z Gll 7091409 JONA YPM JOVdWOO AVMVMOIS as uoneJodjo5 oneuoq 2 vziUs Em 00 1 21 w N Q3NIVINOO 573 7 139 9nd Q3zhiviOd MOSS3NdWOD HOLIMS 3015 3915 341
7. 284 494 2400 Fax 284 494 5389 E mail caybvi 9 candwbvi net Web www cayelectronics com Parts And Power Location Tortola British Virgin Islands Phone 284 494 2830 Fax 284 494 1584 E mail partspwr surfbvi com British West Indies Mantech Location Dubai United Arab Emirates Phone 971 4 333 25 42 971 4 333 06 49 E mail emirates net ae Bangladesh Caribbean Marine amp Diesel Location Turks and Caicos Islands British West Indies Phone 649 941 5903 Fax 649 941 5902 E mail caribmarinediesel tciway tc Marine Power Location Grand Cayman Island British West Indies Phone 345 947 1945 Fax 345 947 1909 E mail candw ky Canada Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 65 6861 4263 65 6861 8797 E mail sales tritex com sg Web www tritex com sg British Columbia Accutemp Refrigeration and Air Conditioning Location Victoria BC Canada Territory Western Canada Phone 250 475 2665 Fax 250 475 1957 E mail info 9 accutemp ca Web WWW accutemp ca L 0384 Revised 11 10 04 British Columbia Airon Heating And Air Conditioning Location Richmond BC Canada Territory Western Canada Phone 604 270 2040 Fax 604 270 3888 E mail dmairon telus net
8. 317914131 YO AdOO OL Ld 3LLV ANY NOIL VHOdNOO OU3WOO ALY3dOYd SI LN3W0OOQ SIHL NIHLIM GSNIVLNOO NOLLVINHOJNI 310N AYYLIIHdOYd 31 L 2086 Fig 20 WFAH6 16 Condensing Unit Wiring 082201 To SW Pump or Pump Relay Trigger To Switch Assembly 2 p 4 Wires Qe Purple Comp 4 Nu oe Blue RV 1 Red Alternate pump P1 terminal if RED wire from switch assy is used to run pump in FAN position Purple Overload High Press Switch 200 Black Cord 115V Coil 4071500 230V Coil 4071600 Rev Valve Field Wiring Dometic Corporation Cruisair 2 Wiring Diagram P 400 WFAH 5 16 115V amp 230V Cond Units oe wie 082201 Fig 21 R F20 60C 1 Ph Cond Unit Wiring 082534 On larger units fuses can be installed on L1 amp L2 5 Conductors of power out to switch assembly to allow smaller wiring to be run Fuses must handle blower current See note To Switch Assembly P a Optional fuses To SW Pump or Pump Relay Trigger Black Purple 230V 1Ph Power In rete l Purple 2 Solid Stote Relay 75amp 44134200 BIk Red Purple High Press Sw Low Press Sw 205 A 201 Rev Valve Black
9. 956 1050 Final Inspection Prior to charging or energizing the system conduct a final inspection using the following checklist Inspecting the Seawater Cooling System Is the seawater pump properly sized for the system s the pump oriented correctly and mounted securely with the pump outlet directed vertically upwards sthe centrifugal seawater pump located so it is below the water line at all times Are the inlet and outlet thru hulls secure properly sealed and properly oriented Are all hose clamps tight Are seawater hoses double clamped Are there any loops or dips in the seawater plumbing that might cause the system to become air locked 15 the strainer located between the seacock and the pump and is it correctly oriented Are all metallic seawater fittings properly bonded L 2086 Installation 13 Inspecting the Self Contained Unit Is the air conditioning unit securely mounted sthe unit located so that it will not draw fumes from the engine room and discharge them into the compartment Are condensate drains properly routed to an overboard discharge or sump f only one condensate drain is being used has the hole at the other end of the tray been plugged Inspecting the Condensing Unit spit Condensing Unit Systems Only Is the condensing unit mounted securely using the integral wooden baseboard or drain pan Are the fasteners accessible if it is necessary to re
10. Dr Ice Location St Thomas US Virgin Islands Territory St Thomas Phone 340 775 4540 Fax 340 775 6575 E mail lastlaugh44 pennswoods net Enertech N V Location Simpson Bay St Maarten St Martin Netherland Antilles Phone 599 551 2145 Fax 305 675 5857 USA E mail service enertechnv com Web www enertechnv com First Needs Co Location Curacao Netherlands Antilles Phone 599 966 69139 Fax 599 976 79003 E mail hcraft attglobal net Web www firstneedscuracao com Freezing Point Ltd Location Nassau Bahamas Phone 242 325 3589 Fax 242 356 5271 E mail freezingpoint 9 bahamas net bs Iceberg Refrigeration Location Guadeloupe French West Indies Phone 590 24 35 35 Fax 590 24 35 35 E mail iceberg refrigeration 9 wanadoo fr Marine Power Location Grand Cayman Island British West Indies Phone 345 947 1945 Fax 345 947 1909 E mail mpower candw ky May Day Marine Location San Juan Puerto Rico Territory Puerto Rico Dominican Republic Phone 787 720 9628 Fax 787 790 2551 Nau T Kol Marine Refrigeration Location Chaguaramas Trinidad Phone 868 634 2174 Fax 868 634 2174 E mail nautkol 9 cablenett net Web www nautkol com Nixon s Refrigeration Location Abaco Bahamas Territory Abaco Island only Phone 242 367 5219 Fax 242 367 5219 E mail seannixon email com Outfitters International Location St Georges Grenada Phone 473 440 7949 Fax 473 440 6680 E mai
11. Face GL Left Fig 13a Switch Dimensions and Templates 2 Knob Switch Plate Cut Out Cut Out 4 3 4 2 5 16 x 4 9 16 59mm X 116mm 2 5 16 X 3 1 4 x A 121 mm Drill 3 32 2mm holes for mounting screws L 2086 27 Fig 13b Switch Dimensions and Templates Cut Out 6 7 8 2 5 16 X 6 11 16 175mm 59mm X 170mm Drill 3 32 2mm holes for mounting screws L 2086 28 Fig 14 SHR5 16 StowAway Wiring 4082611 PUMP 5 8 UR EE NE MN g Jg TD LX LX LE LE us TN PUMP hex 0 UN z Z GRDUNI SWITCH 4 IANN E ZILUG JA euet ale cca X S Ra le z Ae GREEN J N l m muro GRANGE LACK BLOWER AA N I L WHI RDAS MOS MOTOR ey EG X WHT V df GREENW AV NA oo N T T Mo oS BURPI SA VERS YN l OV Pes ORANGE CM 8 VS 77 0 7 c COMPRESSOR BLACK im PINK J REV VALVE lt ON BLUE bU gt x et sl 2 yf P L WHT RED S RU WHT RED y pon DOMETIC CORPORATION 1 PS 7 PURPLE SCALE APPROVED DRAWN BY JEC THERMAL gt y 4 g DATE 06 26 02 P 1230 REVISED OVERLOAD N IVA T SEU N CN 15 230V S VV AY BU N L
12. the refrigerant circuit of the system Drawings and Diagrams The figures that are referenced throughout this manual can be found immediately after the warranty section of the manual In addition some Cruisair equipment will be shipped with specific installation sheets or wiring diagrams that may supercede the information located in this manual Air Conditioning Basics The basic principle of an air conditioner is the movement of heat In a direct expansion DX water cooled air conditioner heat is transferred from the cabin air to the refrigerant gas which then releases the heat into the seawater In reverse cycle heating heat pump the refrigerant flow is reversed and heat is extracted from the seawater and then discharged into the cabin The heat exchange process relies on the movement of both cabin air and seawater to effectively work If air flow or seawater flow is compromised the efficiency of the system will drop and the unit could eventually be damaged or at least shut down on one of its safety protection devices Part of the cooling process in addition to lowering the air temperature is the removal of moisture from the air This lowers the humidity which makes the area feel more comfort able and helps keep the boat dry reducing mold growth and other moisture related problems The Effect of Seawater Temperature The efficiency of the system is dependent on both the seawater and cabin temperatures In cooling the ai
13. 000 Btu hr 230V 1 Phase 2 3 To seawater pump or pump relay trigger Fig 30 R F Type System Wiring SA3 Z Switch 1Ph Hook Up Wiring Diagram R F Type Condensing Unit 230V 1Ph SAS Z Switch Assembly One or Two Cooling Units Cooling Unit Install thermostat bulb in return air path Green _ L1 White 12 Notes Second Cooling Unit 1 SA3 Z type switch has a maximum fan current of 4 amps If total cooling unit draw is greater than 4 amps a slave On larger units fuses can be fan switch will be needed installed on L1 amp L2 of power out to switch assembly to 2 Pump is shown wired so that it will allow smaller wires to be run cycle with the compressor If continuous Fueses must handle blower pump operation is desired connect current to the Red wire on switch assembly HRE 046A 6 29 02 Field Wiring Fig 31 R F Type System Wiring SA3 B Switch 1Ph Hook Up Wiring Diagram R F Type Condensing Unit 230V 1Ph SAS B Switch Assembly EBOH 2 Speed Cooling Unit Cooling Unit Install thermostat bulb in return air path Capillary Tube On larger units fuses can be installed on L1 amp L2 of power out to switch assembly to allow smaller wires to be run Fueses must handle blower Notes current 1 Pump is shown wired so that it will cycle with the compressor If continuous pump operation is desired connect to
14. 2 1 1 2 40 45 2 1 1 2 45 65 2 2 L 2086 Installation 10 need to be larger than the outlet pipe size Do not use pump connections to determine hose size Pump Inlet recommended pipe size includes all fittings and hose through hull seacock strainer etc up to the pump inlet connection The Pump Discharge includes all piping hose and fittings from the pump to the air conditioning unit or manifold and to the overboard discharge Uselarger hose when the run is longer than 16 feet bm Bonding Bond all metallic parts through hull fittings valves strainer manifolds etc that are in contact with seawater to the vessel s bonding system in accordance with ABYC standards E 8 and E 9 Items should only be bonded or grounded once If an item is in contact with an electrically grounded part pump head or seawater condenser then it should not be bonded again Installing The Air Distribution System The following instructions apply to both self contained units and remote condensing systems except as noted Refer to Figure 11 for proper grill and duct sizes Return Air Grill RA Grills The return air grill should be located so there is unobstructed airflow to the unit s evaporator coils Installing ducting between the return air grill and the air conditioning unit is not normally necessary and should be avoided The grill may be located on a side opposite the evaporator coil so long
15. Control Systems L 2066 or the SMX Net Control Systems L 2067 manuals Electrical System Cruisair air conditioning systems are available for use with common power supplies throughout the world In the United States and most of North and South America the systems are 115V or 230V 60Hz single phase AC alternating current In Europe and most of Asia power systems are typically 230V 50Hz single phase Compressors larger than 20 000 Btu hr are only available in 230V single phase 230V or 380 460V 3 phase On 380 460V 3 phase units there is often a separate lower voltage circuit for the controls and blower either 115V or 230V On some power systems this can be supplied by using one input line and the neutral If not a separate control power feed or a transformer will be required Running and starting loads of an air conditioning system are often the largest electrical loads on a boat It is important that the power supply system is large enough to handle these loads and is installed properly Contact an electrician if you are not sure about the proper wiring procedures Always follow local codes or ABYC codes for proper wiring guidelines Voltage and Frequency The voltage rating of a unit is a nominal rating The actual voltage in a given location may be higher or lower by as much as 10 and the system will still operate fine For example at 60 Hz you will sometimes see 110VAC to 120VAC or 208VAC to 240VAC or 440VAC to 480VAC
16. Cord Compressor 230V Coil 4071600 Field Wiring Dometic Corporation Cruisair gt Wiring Diagram P 830 R F20 60C CK 1 Ph Condensing Units ww 082534 L 2086 32 Fig 22 R F24 72 3 Ph Cond Unit Wiring 082556 To Switch Assembly 5 Wires Pd 78 1 Ph seawater pump or pump relay trigger Ph Power In Optional fuses See note 1 Ph Control Power In 208 230V systems can use L1 amp L2 off of the 3 input Purple d Ground Rev Valve 15 Coil 230V Coil 4071600 EE Purple Purple 208 230V units where power is pulled off of the High Press Switch Low Press Switch debi ee phi input f ses can be 205 A 201 4130830 115V Contactor installed on L1 amp L2 of power out to switch assy to allow smaller wiring to be run Fuses must handle blower current 3 Phase Contactor Phase Compressor Field Wiring Dometic Corporation Cruisair me Wiring Diagram P 849 R F24 72 3 Phase Condensing Units Drawing Number 0 2556 Fig 23 SA3 Z Switch Wiring Switch Wiring Diagram 5 5 Compressor Fan Speed Control Rev Valve Slave or Cont Pump Line 2 Out Note On 115VAC switches the BLK RED L2 will be WHITE N SAS
17. PR8X Pump Relay Wiring WFAH System Wiring 115V WFAH System Wiring 230V WFAH System Wiring 230V w Aux Heat R F Type System Wiring SA3 Z Switch 1Ph R F Type System Wiring SA3 B Switch 1Ph R F Type System Wiring SA3 Z Switch 3Ph Refrigerant Charging Curves R22 Charging Systems with Alternative Refrigerants 22 f English Fig 1 Typical Self Contained Unit Fig 3 Typical Draw through Cooling Unit L 2086 23 Fig 4 Typical Self Contained Installation 1 Plenum IBS ALT EEEELETTEETEEI Fig 5 Discharge Insulated Flex Duct Return Air Grill i j Draw Through Cooling Unit Fig 6 Blow Through Cooling Unit Return Air Grill Fig 7 Refrigeration Line Sizes Typical Remote System Typical Split System with 2 Cooling Units Unit or Line Recommended Noles Capacity Line Sizes Maximum length of refrigerant line between condensing unit and Btu hr Discharge Suction cooling unit is 50 feet 15m 4 000 12 000 1 4 3 8 Only use seamless refrigeration grade copper tubing U 16 um 1 4 1 2 e Insulate discharge and suction tubes separately 20 000 24 000 3 8 1 2 Use minimum 3 8 10mm thick closed cell insulation 30 000 48 000 3 8 3 4 Seal glue and or tape all insulation seams 60 000 72 000 1 2 3 4 Use dead head orientation of TEEs on multiple cooling unit systems to help ensure proper distribut
18. PURPLE J d VOTES A NJ DRAVING NUMBER PGH PRESSURE WIRING DIAGRAM 082611 Fig 15 SH24C StowAway Wiring 080264 To 1Ph Seawater Pump or pump relay trigger 230V Power In Yellow High Press Switch Low Press Switch Rev Valve LL A 205 4 201 Black Cord 230V Coil 4071600 Onn 2W Wht Red 4146400 Wht Red An optional time delay relay kit model no TD230SH is available Instructions are included with the kit Solid State Relay 75amp 4134200 Thermal Overload Wht Red SSA3 ZCB switch plugs into polarized plug Compressor Field Wiring Dometic Corporation Cruisair Wiring Diagram 558 SH24C CK ww www 80264 L 2086 29 Fig 16 SHF5 16 C StowAway Compact w 3 knob Control Wiring JlesiniO uoneJodJjo di vi3d 9019 Q3zidviOd 3915 3015 xog 9313 IOJINOO G3uHw na 9 AINO 3915 83 033 1HM S ama v 359 Z 034 3ONVYO ONIMIM 91313 SYOLOANNOO S 031310395 0 AINO SLNN 31049 531 39nvo zii rel SIYM JION SION vss A18N3SSV HOLIMS LOLOLOIW 1 ZHO9 OS OVADET S 1 1 2 80N
19. Refrigerant Gas cii aee reet n bereit sg 18 Winterizing the System sss 18 Trouble Shooting 18 Limited Warranty Periods 19 Owner s Limited Warranty 20 Descriptions of Figures 22 Cruisair Dealer Locator 41 Copyright 2004 Dometic Corporation All Rights Reserved Every precaution has been taken in the preparation of this manual to insure its accuracy However Dometic Corporation assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of this product and information contained herein L 2086 f English DX Remote amp Self Contained A C Systems Introduction A Warning This manual contains essential information concerning the safe and proper installation and operation of your Cruisair air conditioning system If there are any state ments or procedures in this manual that you do not understand contact the Dometic Corporation Applica tions Department for assistance Phone 804 746 1313 8 am 5 pm US Eastern Time Fax 804 746 7248 or email sales 0 tmenviro va com Notice US federal law prohibits the intentional release of refrigerant gases into the environment including the R 22 refrigerant used in most Cruisair air conditioning systems Special care must be taken when installing charging and servicing Cruisair equipment to prevent any loss of equipment Only EPA certified technicians with the proper equipment should perform service on
20. a second time for an alternating display of inside temperature and setpoint Press a third time to return to inside temperature only 4 English SMX Net Series If your boat is equipped with the optional outside thermistor press TEMP a second time to display outside temperature Press a third time for an alternating display of setpoint inside temperature and outside temperature Note that the inside and outside indicators show you which temperature is being displayed Cool Mode To enter the COOL mode press the COOL key The Cool Mode Indicator will light to show that you have selected the cooling mode The Cooling Indicator will be lit whenever the system is in the cooling mode and the compressor is actually running When the compressor cycles off the Cooling Indicator goes off but the Cool Mode Indicator stays on Heat Mode Press the HEAT key to select HEAT Mode The Heat Mode Indicator will light to show that you have selected the heating mode The Heating Indicator will be lit whenever the system is in the heating mode and the compressor is actually running When the compressor cycles off the Heating Indicator goes off but the Heat Mode Indicator stays on Automatic Changeover Press the COOL and HEAT keys simultaneously for AUTO MATIC CHANGEOVER between COOL and HEAT Modes The mode indicators will light to show that the system is in the automatic changeover mode For the SMXir Remote Control only Press the
21. and Dometic will work with the local company to assist in any way possible 3 The customer may send his equipment back to the factory to have the repair work done Dometic will make every effort to return the equipment to the customer within a three week time period If the claim represents a legiti mate warranty problem Dometic will pay the freight both ways Dometic prefers option one and two if at all possible The customer may contact the Dometic Service Department at 804 746 1313 L 0123 L 2086 21 Revised 10 16 03 WARNING Dometic Corporation Dometic manufacturers of Cruisair Grunert Marine Air Sentry and Tundra Products makes the following safety warnings concerning the application installation use and care of its products Although these warnings are extensive there may be specific hazards which may arise out of circumstances which we have not outlined herein Use this as a guide for developing an awareness of potential hazards of all kinds Such an awareness will be a key factor in assuring your SAFETY and comfort ELECTRICITY Many Dometic products operate on 115 230 or 440 volt AC power Such voltages can be LETHAL therefore the chassis cabinets bases etc on all components must be grounded together and connected to the vessel s grounding system Sparks can occur as switches thermostats and relays open and close in the normal operation of the equipment Since this is the case ventilating blowers for
22. as airflow to the coil is unobstructed An air filter must be used to prevent the evaporator coil from collecting dirt and lint The filter can be located at the evapora tor coil or at the grill Only one filter should be used Most self contained units and cooling units are supplied with an air filter but if the filter is not easily accessible use a filter on the return air grill Ducts Insulated flexible ducting or built in ducting may be used to route air from the blower to the discharge grill Note that blow through cooling units are installed directly behind the dis charge grill and ducts are unnecessary Likewise with some overhead cooling heating units air is discharged directly into the compartment without ducts Ducting Guidelines Secure duct to blower or transition box plenum with screws and duct tape When using insulated flexible ducting make sure inner duct is secured and sealed to adapter before pulling insulation over connection 4 English Plenums or transition boxes are used with flexible ducting to split and route the discharge air as needed Figure 12 shows several plenum configurations Ducting must be properly sized for the airflow If the duct run is longer than 10 feet 3m use the next larger duct size Use of insulated duct is recommended and is mandatory when used in high heat areas or where condensation would be a problem Runflexible ducting tightly and smoothly with as few bend
23. but an unobstructed path must be L 2086 Installation available for the air to get to the coil A 2 50mm space in front of the evaporator coil must be maintained Site Location Checklist Unit is not located in an engine room or near an internal combustion engine There is no obstruction of airflow from return air grill to coil Accessible for service and maintenance including the return air filter Adequate space for and condensate drain connections Flat horizontal and sturdy mounting location Condensate drain can be run continuously downhill from unit to overboard fitting or sump Space is sealed from the bilge or outside air Maximum copper tubing run between condensing unit and cooling unit is 50 ft 15m Mounting the Cooling Heating Unit Mount the cooling heating unit so that the condensate drip pan is beneath the unit Some models require a mounting frame or mounting leg kit which is supplied separately Other models have integral mounting frames or the condensate pan itself is the mounting base See individual spec sheets for specific guidelines Route the condensate drain hose steadily downhill so that the condensate flows freely to an overboard fitting or sump Do not permit condensate to puddle in the bilge Some Cruisair cooling heating units have two condensate drains one at each end It is recommended that you use both drains for best results If you choose to use only one condensate drain pl
24. by turning the stems fully counterclockwise Tighten the stem packing gland nuts Replace and tighten the stem caps Remove the gauge hoses and replace and tighten the port caps Note It is recommended to charge the system in the cool mode as described above If conditions are such that charging must be done in the heat cycle the gauge connections must be reversed on the base valves Also note that in the heat mode the same pressures can be observed at two different charge levels This could lead to an overcharge condition L 2086 Installation 15 Removing Refrigerant from the System When adjusting the charge in the refrigerant system you may have to remove refrigerant It is a violation of federal law to vent refrigerant to the atmosphere and it is necessary that you capture any refrigerant that is removed from the system There are two methods of doing this 1 Use an approved refrigerant recovery unit and refillable refrigerant container 2 Allow refrigerant to escape from the high pressure side into a refillable refrigerant container Initial Start Up The following instructions apply to both self contained and remote condensing systems 1 Open the seacock seawater inlet valve 2 Turn on the circuit breaker for the air conditioner If a pump relay is installed the breaker for the pump must also be turned on 3 Following directions in the Operation manual set the system for cooling or heating at the switc
25. fail resulting in a build up of LETHAL gases within the closed area Warning Revised 10 16 03 f English Descriptions of Figures Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig G Q N N N N to 0 O O L 2086 Typical Self Contained Unit Typical Remote Condensing Unit Typical Draw Through Cooling Unit Typical Self Contained Installation Typical Draw Through Cooling Unit Installation Typical Blow Through Cooling Unit Installation Refrigerant Line Sizes Seawater Piping Proper System and Common Mistakes Pump Head Orientation Seawater Manifolds Duct and Grill Sizes Plenum Configurations Switch Dimension and Templates SHR5 16 StowAway Wiring 082611 SH24C StowAway Wiring 080264 SHF5 16 C StowAway Compact w 3 knob Control Wiring SHF24 C StowAway Compact w 3 knob Control Wiring SHUF18 C CK 1 HV StowAway Compact w 3 knob Control Wiring SHUF5 16 C CK 1 HV StowAway Compact w 3 knob Control Wiring WFAH6 16 Condensing Unit Wiring 082201 R F20 60C 1 Ph Cond Unit Wiring 082534 R F24 72 3 Ph Cond Unit Wiring 4082556 SA3 Z Switch Wiring SA5 Z Switch Wiring Pump Relay Wiring
26. made manifold for up to 7 or 8 units It is very important to consider manifold orientation so that all air conditioning units get the proper flow of water See Figure 10 for manifold information A manifold can also be used on the outlets of the air condi tioning units when using a single overboard discharge Overboard Discharge The overboard fitting should be located between 1 to 2 inches 25 50 mm above the water line This is to facilitate visual confirmation of water flow but also close enough to the water to minimize splashing noise If the overboard fitting must be installed below the heeled water line then a valve must be installed per ABYC standards Seawater Piping Only use reinforced marine grade hose or other suitable piping PVC CPVC Cupronickle or Stainless steel Double clamp all hose connections Use only plastic bronze or stainless steel fittings do not use brass Avoid loops or dips in the hose runs Make sure enough hose is used to allow future removal of components Usethe correct size hose fittings and components See the table below for proper seawater sizing Note that the pump inlet piping including through hull and strainer may Recommended Seawater Pipe Sizes Flow Rate Pump Pump gpm Inlet Discharge 1 4 5 8 5 8 4 7 3 4 5 8 7 11 1 3 4 11 15 1 1 15 20 1 1 4 1 20 25 1 1 4 1 1 4 25 30 1 1 2 1 1 4 30 40 1 1
27. or heat depending on which mode of operation you have selected Verify that water is flowing from the overboard discharge To set the thermostat allow the unit to operate until the area is cooled or heated to the desired temperature At this point turn the knob WARMER COOLER slowly toward the center position until you hear it click once The thermostat is now set to maintain the desired temperature Set the fan speed to provide the desired flow of air using the center knob If you turn the system off or if you wish to switch between cooling and heating wait three minutes to allow the system s internal pressures to equalize before attempting to restart Hint It is good practice to check for seawater flow by observing the overboard discharge when the system is first turned on If you do not observe steady water flow shut the system down and check for obstructions in the seawater cooling system Operation Instructions SMX Controls There are two different SMX control systems available SMX II and SMX Net The following are basic operation instructions for both systems For complete installation and operation information consult the appropriate manual L 2066 for SMX II or L 2067 for SMX Net L 2086 Operation 16 SMX II SMX Net Operation Open seacock seawater inlet valve 2 Turn on main circuit breakers for the air conditioning system If there is more than one unit on board you must also turn on
28. seawater pump then a pump relay and water manifold are required Air Distribution System Cabin air is drawn into the self contained unit or cooling heating unit through a return air grill It is then cooled or warmed and blown back into the cabin through a ducting system The air should be discharged high in the cabin and away from the return air grill to ensure good circulation An air filter is located on the cooling unit or on the return air grill and must be cleaned regularly System Controls Two different types of controls are available either an electro mechanical rotary knob switch assembly or one of the Cruisair SMX series of microprocessor controls The electromechanical switch assemblies are typically 3 knob switches that control mode OFF FAN RUN thermostat temperature setting and fan speed Other versions include 1 and 2 knob switches for control of slave cooling units and a 4 knob switch for use on systems with auxiliary electric heat Cruisair SMX controls are advanced microprocessor systems that provide a more comfortable environment and better L 2086 Introduction system protection than mechanical controls In addition over 20 programmable functions allow the user to customize the System to suit the specific needs of their boat and boating environment The two SMX control systems available are SMX and the SMX Net Each system consists of Power Logic P L board Monitors and controls all
29. that some tanks have a dip tube so the tank is used in the upright position while other tanks will need to be turned upside down to get liquid This should be clearly marked on the tank A partial leak in the system doesn t necessarily mean that the refrigerant needs to be removed and recharged However it is possible that enough fractionation can occur that would require a complete evacuation and recharge This will be evident when trying to charge the System and the temperature pressures will not respond correctly To charge a split system with a blend 1 Evacuate lines and evaporator cooling unit as normal 2 Open base valves to release the refrigerant in the condensing unit 3 Attach an accurate thermometer or temperature sensor to the suction line near the base valve at the 3 or 9 o clock position on the line Insulate over the sensor so that the ambient temperature does not affect the reading 4 Open the suction base valve to the test position The low side gauge should now register a pressure reading 5 Turn on the system in the cooling mode and set the thermostat to a low setting so the unit will stay on 6 Allow the system to run for five minutes so the pressures will stabilize then measure the superheat This must be done using the Dew Point for conversion Note There is no ideal superheat temperature It should be in the range of 10 to 20 F 5 6 to 11 1 C depending on the heat load On cool days superh
30. the Red wire on switch assembly Field Wiring HRE 047A 6 29 02 L 2086 37 SA3 ZCB10 Capillary Tube EE 230V 1Ph Power From AC Panel R F Type Condensing Unit 20 60 0000 BTU hr 230V 1 Phase Rex To seawater pump or pump relay trigger SAS BCB10 1Ph Power AC Panel R F Type Condensing Unit 20 60 0000 BTU hr 230V 1 Phase To seawater pump or pump relay trigger Fig 32 R F Type System Wiring SA3 Z Switch 3Ph Hook Up Wiring Diagram SAS 20810 R F Type Condensing Unit 3 Phase SAS Z Switch Assembly One or Two Cooling Units Master Cooling Unit 3 Green __Orange z e Install thermostat bul in return air path 115V 230V 1Ph Control Power from AC Panel Notes 1 SAS Z switch has a max fan current of 4 amps If total cooling unit draw is greater than this a slave switch assy will be needed To seawater pump or pump relay trigger 2 Pump is shown wired so that it will cycle with the compressor If continuous pump operation is desired connect to the RED wire on switch assembly 3 208 230V units control power can be pulled from 2 of the legs of the 3 phase power ZL 3 4 puo 208 250 units where power is White L2 pulled off of the 3 ph input fuses ca be installed L1 amp L2 of power out to switch assembly to allow smaller
31. the pump and the waterline Pump must be below the waterline A C Condenser Coil L rM A C Condenser Coil Water Line Water Line Seawater Fig 9 Pump head orientation Fig 10 Seawater manifolds Pump Head Orientation Seawater Manifold Orientation Equal Flow More Correct Correct ji Flow More More Flow Flow Less Flow Incorrect Incorrect L 2086 25 Fig 11 Duct and Grill Sizes Tables Minimum Recommended Duct Size Minimum Supply Air Grill Area Minimum Return Air Grill Area Draw through amp Self Contained Unit Capacity Btu hr 100 Exception Cruisair 18K Remote Evaporators use 8 203mm duct Minimum Recommended Duct Size in mm 2x 5 125 Minimum Discharge Grill Area in2 cm2 are TET EBULP24 MENNETLLI 2 6 150 ESS16 12 x 12 ETB16 12x12 2x 12 6 EDS24 22 x 14 EDS30 Return Air Grill Size inches Overhead Cooling Unit 22 x 14 2x 80 520 2x 7 175 Minimum Recommended Minimum Discharge Minimum Blow Through Return Air P BUNT Grill Area Grill Area Duct Size inz cm inZ cm in mm ee Noe rame eee neve sees voee om same nore L 2086 26 Fig 12 Plenum Configurations 2 T 1 0 Opposite 3 R Right Face 6 L Left 5 1 2 T Top I L Left 1 0 Opposite 3 R Rig f
32. the vacuum pump and open the manifold valves for the vacuum pump the refrigerant container and the red capped access port 6 Asthe pump operates you will see the low pressure test gauge fall to a vacuum When the vacuum reaches 28 in Hg close the vacuum pump valve and turn the vacuum pump off Leave the system for 15 minutes and then observe the gauge If any vacuum has been lost look for leaks especially at flare joints Then return to step 3 above and re evacuate the system 7 Open the vacuum pump valve and leave the vacuum pump operating for at least 6 hours until a vacuum of at least 29 in Hg is achieved Close the vacuum pump valve and turn the vacuum pump off Wait one hour If no vacuum is lost proceed with charging If any leaks are indicated reinspect flare joints for leakage and return to step 3 above to re evacuate the system 8 Open the refrigerant container valve slowly and allow gas to enter the system until the low pressure gauge rises to zero You have now vapor charged the evacuated lines and cooling heating unit with refrigerant to a gauge pressure of zero Close the refrigerant container valve 9 Remove the low pressure gauge hose from the red capped port Replace and tighten the red cap 4 English 10 Remove both condensing unit base valve stem caps Open both base valves fully by turning the valve stems fully counterclockwise This will allow the refrigerant in the condensing unit to enter the s
33. 055334 xog 9373 1081909 HOIH vif 31dund xauHW ria 9 AINO 3qlS 83 033 1HM S 3079 v N33H9 3dund 033 39NVNO AINO SLNN 31040 7109 gION310S AWA QO8 1H vil O348 1HM 91315 SYOLOSNNOO 9 QS Se 031310395 AWO SINN 31949 Ss3INn 390v9 EE 38V S3MIM TV SION m vss AI8N3SSV HOLIMS IVLSOWYSHL 917 389 1 034 1HM vif 31dund 918 Q33 1HM 91f 7031405 03395 038 39Nv30 91 N3385 vif MOVIE xog 71991419373 vif 31dund ST 39NVSO d3NVd Z N 9nd 33S AlddnS 33MOd Wd 00 50 20 343014 30 14002 Y NI 31534402 38 IN4MVINN Q3N3dISNOO 38 TIVHS NOIIVNOdNOO WON 1435402 NALLIYM LNOHLIM YO 400 OL ANY NOLIHOdNO2 2LL3WOQ 30 ALii3dOuid SI IN3Wn200 10 8 GQvO vif 31dNnd Ol S3NIM HOIIMS dH 10 10 90 NOISIA3H ava SIHL NIHLIM G3NIVINOD NOLIVWHOJNI 310N ANvI3hidOud 30 L 2086 knob Control Wir
34. 35 E mail iceberg refrigeration wanadoo fr Germany Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 Fax 65 6861 4263 65 6861 8797 E mail sales tritex com sq Web www tritex com sq Maldives GEMO GmbH Location Travemunde Germany Phone 49 4502 2466 Fax 49 4502 2425 E mail gemo gmbh t online de Web www gemo_online de Fax 65 6861 4263 65 6861 8797 E mail sales tritex com sq Web www tritex com sg Israel Yamit Mil Ltd Location Tel Aviv Israel Phone 972 3 5271778 Fax 972 3 5271772 E mail mil 9 yamitysb co il Italy Cummins Diesel Italia S P A Location Milan Italy Territory Central amp Southern Italy Phone 39 0251 655 856 Fax 39 02 51 65 58 55 E mail luigi casaburi 9 cummins com Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 65 6861 4263 65 6861 8797 sales tritex com sq Web www tritex com sq Wheel Engineering Services Location Mal Maldives Territory Maldives Phone 960 327806 Fax 960 324145 E mail wes avasmail com mv Malta Dometic Marine United Kingdom Sales Company Location Poole Dorset United Kingdom Phone 44 0 870 3306101 Fax 44 0 870 3306102 E mail sales 9 dometicmarine com Web www dometic com L 0384 Revised 11 10 04 Inmartech Ltd Location St Maida Malta T
35. 778 8950 Fax 586 778 6108 Minnesota Midwest Cruisair Location Red Wing MN USA Territory Minnesota and Western Wisconsin Phone 651 388 4881 Fax 651 388 9186 E mail estelter redwing net Mississippi A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Mississippi Sea Chest Marine Distr Location New Orleans LA USA Territory Gulf Coast LA amp MS Phone 800 535 8630 Fax 504 288 1758 Thom Chase Heating and A C Location Chattanooga TN USA Territory Northern Alabama Northern Mississippi Tennessee Western Kentucky Phone 423 344 6356 Fax 423 344 6356 E mail thomchase aol com Missouri A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Montana Sure Marine Services Inc Location Seattle WA USA Phone 206 784 9903 206 784 0506 E mail sales suremarine com Nebraska A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Nevada A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales southerncalmarine com Web www southerncalmarine com New Jersey Nautical Air Conditioni
36. 8 65 6861 4263 65 6861 8797 E mail sales tritex com sq Web www tritex com sq Portugal Powercool Lda Location Portimao Portugal Phone 351 91 786 63 73 Fax 351 282 461 818 E mail info 9 powercool org Web www powercool org Centro Cruisair de Puerto Rico Location Santurce Puerto Rico Phone 787 727 3637 Fax 787 727 3637 E mail fernan moreno hotmail com Cool Tech Air Conditioning Location Fajardo Puerto Rico Phone 787 860 2615 787 801 2050 cooltech isppr net May Day Marine Location San Juan Puerto Rico Territory Puerto Rico Dominican Republic Phone 787 720 9628 Fax 787 790 2551 Sun Cool Air Conditioning Copr Location Carolina Puerto Rico Phone 787 791 6971 Fax 787 791 3885 E mail suncool1 coqui net Technical House E T S Inc Location San Juan Puerto Rico Territory Sentry Battery Chargers Only Phone 787 781 1313 Fax 787 781 2020 E mail idonato technicalhouse com Web www technicalhouse com Qatar Laffan Marine Location Doha Qatar Phone 974 4326893 4328021 Fax 974 4327452 E mail laffanmarine qatar net qa Mantech Location Dubai United Arab Emirates Phone 971 4 333 25 42 971 4 333 06 49 E mail mgeQ emirates net ae Saudi Arabia Mantech Location Dubai United Arab Emirates Phone 971 4 333 25 42 971 4 333 06 49 E mail emirates net ae Samaco Marine Location Jed
37. Auto Switchover key to enter automatic changeover mode Note that the Cooling or Heating Indicator will come on when the compressor is running to show when the system is running in the cooling or heating mode Manual Fan Speed Control Press the FAN key to select manual fan control The Manual Fan Indicator will light to show that it is in the manual mode Then use the SLOW and FAST keys to select the desired fan speed Note that you can use the manual fan control to circulate air even when the system is in the OFF mode Automatic Fan Speed Control If in manual fan mode press FAN key to select automatic fan control The Manual Fan Indicator goes off and the system will automatically adjust fan speed as the actual cabin L 2086 Operation 17 temperature deviates from the setpoint As setpoint is approached the fan speed automatically slows Once setpoint is reached the compressor cycles off and the fan keeps running on low speed Adjusting Brightness Pressing the SET key repetitively will dim the LED display Keep pressing SET to return to full brightness Note SMXLB keypads automatically adjust according to cabin lighting Using The Humidity Control Routine When engaged the SMX humidity control routine automati cally turns the air conditioning system on at timed intervals to remove moisture from the air The system is programmed at the factory for average values To change the factory settings see Humidity Control Prog
38. Chesapeake VA USA Phone 757 494 3747 Fax 757 494 3740 E mail lamy marine Q verizon net Washington Sure Marine Services Inc Location Seattle WA USA Phone 206 784 9903 Fax 206 784 0506 E mail sales suremarine com Wisconsin East J amp S Marine Sales amp Service Location Detroit USA Phone 586 463 3400 586 463 1792 jandsmarine sbcglobal net Midwest Marine Supply Location St Clair Shores MI USA Phone 586 778 8950 Fax 586 778 6108 Wisconsin West Midwest Cruisair Location Red Wing MN USA Territory Minnesota and Western Wisconsin Phone 651 388 4881 Fax 651 388 9186 E mail estelter redwing net Wyoming A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Angola Antigua Belgium Aboard Refrigeration Location English Harbour Antigua Phone 268 460 1690 Fax 419 858 0544 E mail aboardrf 9 candw ag The Signal Locker Location English Harbour Antigua Phone 268 460 1528 Fax 268 460 1148 E mail lockers 9 candw ag Argentina Eberca Location Netherlands Phone 31 186621955 Fax 31 186621818 E mail info eberca nl Bermuda Trimer S A Location Buenos Aires Argentina Phone 5411 4580 0444 Fax 5411 4580 0440 E mail trimer trimer com ar Web www trimer ar Australia Flatt s Marine Location St Georges Bermuda Phone 441 293 5740
39. DX Remote amp Self Contained A C lt INSTALLATION OPERATION ruieair Direct Expansion Systems Revised 12 2 04 L 2086 English C Table of Contents DX Remote amp Self Contained A C Systems Introduction Drawings and Diagrams 4 Air Conditioning Basics 4 The Effect of Seawater Temperature awg Types of DX Systems sss 4 SUbSYSIOMS 5 System Controls Condensate Drain DX Remote amp Self Contained A C Systems Installation Installation Procedures sese 6 Electrical System aci nee nent ne ade e e e e tbe 6 Installing The Self Contained A C Unit 6 Selecting the Site es 6 Site Location Checklist A Mounting the Self Contained Unit 7 Installing The Condensing Unit 7 Selecting the Site sse 7 Site Location Checklist sese 7 Mounting the Remote Condensing Unit 7 Installing The Cooling Heating Unit 8 Selecting the Site 8 Site Location Checklist 8 Mounting the Cooling Heating Unit 8 Installing the Refrigerant Tubing 8 Installing the Seawater Cooling System 9 Importance of a Self Dra
40. In a 50Hz environment common voltages range from 220V to 240V or 380V to 415V When choosing a system the voltage and frequency must be known While standard 60Hz equipment can often be run at 50Hz it will experience a 17 drop in performance however 50Hz equipment can not be run at 60Hz because the 50Hz motor will run too fast and cause damage Seawater pumps will lose even more performance at 50 Hz due to the nature of centrifugal pumps L 2086 Installation Dedicated 50Hz units will give full performance at 50Hz and should be used when the system is going to be run exclu sively at 50Hz If a boat is traveling in 50Hz and 60Hz environments then 60Hz equipment should be installed with special attention to sizing especially the pumps so that the System performs up to expectations When running 60Hz equipment at 50Hz the voltage should be reduced 17 to prevent overheating a motor Installing The Self Contained A C Unit A Safety Warning A Cruisair self contained unit should never be placed such that it can circulate carbon monoxide fuel vapors or other noxious fumes into the boat s living spaces Do not install or operate a self contained unit in the engine room or near an internal combustion engine Failure to follow this precaution could result in serious injury or death Selecting the Site Self contained units are designed for built in installation low in a closet under a dinette seat or bunk or any other conve
41. LLV NOLLVHOdNOO 30 SI LNSWNOOG SIHL NIHLIM GSNIVINOO NOLLVINHOJNI 3H1 31ON ABVL3IdONd iring HV StowAway Compact w 3 knob Control W Fig 19 SHUF5 16 C CK 1 310A0 3Su3A3M 709 dION310S EVA ONISH3A3H LOLOLOLW S3OVId3N ONIMVEG LINNA GANIVINOD 3135 HOLIMS 33155334 CAPACITOR vif Q34 1HM vif 3idund 91f 8 3 89556 93W SIN xvos V 9 60001005 Luva AB Posie QVZHO9 0S OVAOEZ S 11 ALIOO TJA TOH INOO AONYX LOVdINOO AVMVMOLS 19 9 9L S4NHS JIESInJ2 uone140dJo2 79139 9Md Q3zlav Od MOSS3NdAOO 9 AINO 5 eR S 5 3 amg 30 Z J 033 39NVNO L L B qI3ldj SMHOIO3NNOO l11n8 9 30109 318 ANO SINN 31042 031319395 SSIINN 39nvo 21 SSMO NO Quen 3HV S3HIM NY SION SION vss A18W3SSV HOLIMS JE OJo LEA OO v LI TANVd AVI33 MO dnd 130 33S v0 985QvO 3nHS OL 3111 G3SIA3H vo 6l 8 v udv NOlLdlH2S3G NOISIASY aiva I xog 1919313 AlddnS 33MOd 40 13 009 V G31S31NOO 38 NVO G3YAGISNOO 38 TIVHS NOIL VHOdHOO LINO WO LN3SNOO NALLINM LNOHLIM
42. Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales 9 southernpower co za L 0384 Revised 11 10 04 Dometic Corporation Environmental Systems Box 15299 Richmond VA 23227 0699 USA Phone 804 746 1313 Facsimile 804 746 7248 Dometic For Sales and Service Calls within Europe and the Middle East please contact 44 0 870 330 6101 Email sales Q cruisair com Website www cruisair com L 2086 The Sign of Comfort
43. Web www aironhvac com Ontario J amp S Marine Sales amp Service Location Detroit MI USA Phone 586 463 3400 Fax 586 463 1792 E mail jandsmarine sbcglobal net Northland Supply Company Location Queensville ON Canada Phone 905 478 2244 Fax 905 478 2295 E mail norsupco aol com Web www norsupco com Caribbean Islands Aboard Refrigeration Location English Harbour Antigua Phone 268 460 1690 Fax 419 858 0544 E mail aboardrf candw aq Agencias Navieras B amp R S A Location Santo Domingo Dominican Republic Territory Dominican Republic Phone 809 562 3353 Fax 809 562 3383 E mail hsosa navierasbr com C S Services Location Martinique French West Indies Phone 596 749113 Fax 596 749174 Caribbean Marine amp Diesel Location Turks and Caicos Islands British West Indies Phone 649 941 5903 Fax 649 941 5902 E mail caribmarinediesel tciway tc Cay Electronics Ltd Location Tortola British Virgin Islands Phone 284 494 2400 Fax 284 494 5389 E mail caybvi candwbvi net Web www cayelectronics com Centro Cruisair de Puerto Rico Location Santurce Puerto Rico Phone 787 727 3637 Fax 787 727 3637 E mail fernan_moreno hotmail com Cool Tech Air Conditioning Location Fajardo Puerto Rico Phone 787 860 2615 Fax 787 801 2050 E mail cooltech isppr net Coral Bay Marine Service Location St John U S Virgin Islands Phone 340 776 6859 Fax 340 776 6859
44. ZUCBTO Replacement Parts Max Fan Current 4 amps Mode Switch 4020800 d A 4215 115V Lan Speed ERAT 230v Thermostat 4060603 HRE 040A 12 01 L 2086 33 Fig 24 SA5 Z Switch Wiring Switch Wiring Diagram SAS5 Z Ground Fan Speed Control Line 2 Line 1 Aux Heat Blower Compressor Rev Valve Slave or Cont Pump Line 2 Out S S IS IOO SI ISIS IO IS G THERMDSTAT SA5 AG B 1 Note On 115VAC switches the Fan draps BLK RED L2 will be WHITE HRE 040A 12 01 Field Wiring Fig 25 PR3X Pump Relay Wiring Breaker and Wire Sizes PR3X Pump Relay 10 15 Amp Breaker 14 AWG 115V or 230V 50 60 Hz 1 phase pump relay 20 Amp Breaker 12 AWG P C Board Triggers TR24 24VAC 4 552 Typical Operation 78250 TS E Input Signal O O Q Q Comp 1 Input Signal Comp 2 Input signal from compressor closes the normally open contacts on the reed relay This completes the circuit on the PC boord gates the triac and sends power to the pump L_ L2 N Control signol from compressor or switch assembly Trigger voltage must match input signal Different voltage triggers can be used in the pump relay G Power In iam Field Wiring Breaker Panel L 2086 34 Fig 26 PR8X Pump Re
45. air conditioning unit requires it s own dedicated circuit breaker of the appropriate size See the table below for suggested circuit breaker and wire sizing L 2086 Installation 12 If there is only one a c unit the seawater pump does not require a separate breaker but make sure the breaker is sized for the combined load of the unit and the pump If multiple a c units are supplied by a single pump then a pump relay will be needed and will require it s own circuit breaker All units must be grounded to minimize the potential hazard of electrical shock and personal injury Recommend Breaker and Wire Sizes Unit Voltage Unit Size BTU Hr Breaker Amps Wire Size AWG mm All metallic fittings in the seawater system that are isolated from the a c unit or pump by rubber hose should be bonded per ABYC standards E 8 and E 9 On larger F type condensing units a fuse can be added to protect the fan and control wires Note Always follow ABYC guidelines or local codes when selecting breakers and wire sizes Three Phase Power Some larger compressors and pumps have 3 phase motors that will run forwards or backwards depending on the wire connections Reciprocating piston type compressors can run either way without any problem but scroll compressors and centrifugal pumps are direction sensitive and must be wired so the motors run the correct direction If runni
46. aler L 2086 Operation Situation The unit will not operate at all Solution 1 Blown fuse or tripped circuit breaker Replace fuse with time delay type or reset breaker Check for correct sizing 2 Low voltage to unit Check shoreside power supply and rating of electrical power cord to boat Situation Air from the unit does not feel cool or warm in the heating mode Solution 1 The selector switch is set for FAN only Switch the system into the cooling or heating mode 2 The thermostat is set incorrectly Set the thermostat for a cooler or warmer setting 3 Water flow is restricted Clear restriction Clean strainer Situation The unit operates but the cabin fails to cool normally Solution 1 Dirty air filter Clean lint screen or air filter 2 The thermostat is set too high Reset the thermostat to a cooler setting 3 The evaporator has iced Turn the system to FAN only for 5 minutes then restart Situation Compressor cycles on and off Solution 1 Dirty air filter Clean lint screen or air filter 2 Water flow restriction Clear restriction Clean strainer Situation Water dripping inside cabin Solution 1 Condensate drain is clogged Clean out drain holes 2 Blockage in hose Clear hose Check downhill routing of hose 4 English Limited Warranty Periods Please read and keep this document with your important paperwork Use it as a reference in the future If you have any qu
47. ant needed for the whole system The procedure will be to evacuate the nitrogen and air from the cooling unit and the copper tubing then release the refrigerant from the condensing unit into the entire system To facilitate this procedure there is a special evacuation port red cap located on the base valve of the condensing unit This port has a schrader valve so you can evacuate and vapor charge the lines and cooling unit without releasing the refrigerant in the condensing unit L 2086 Installation 14 You will need the following tools to complete the charging procedure R 22 container typically the disposable type container color coded green for R 22 four valve gauge manifold with self closing fittings on the charging hoses vacuum pump base valve wrench and hand tools accurate thermometer Proceed as follows 1 Make sure all flare joints are well made and tight 2 Do not touch the condensing unit base valve stem covers or white port caps Remove the red port cap on the discharge right side base valve or on a field installed in line tee fitting 3 Connect the vacuum pump hose to the vacuum pump Connect the refrigerant supply line to the refrigerant container making sure the refrigerant container valve is OFF Connect the low pressure gauge hose to the red capped port At this point do not connect the high pressure charging hose to anything 4 Close all four gauge manifold valves 5 Energize
48. ate up to 3 A C units and the PR8X can operate up to 8 A C units Both can operate 115V and 230V pumps Triggers are used in the pump relays to isolate the signals from each A C unit Some pump relays come with pre installed triggers or you can buy triggers separately Triggers come in 115V and 230V and must match the control voltage of the A C unit Both 115V and 230V triggers can be used in a single pump relay if the system requires it The trigger is simply a relay that closes when the A C unit turns on Because each trigger is isolated the polarity of the signals from the A C units does not matter Electrical Connections A Warning Make sure all power is off before opening any electrical box The following guidelines apply to both self contained and remote condensing unit systems Failure to properly ground and bond the system will void warranty Allelectrical connections should be made within the electrical junction boxes supplied with the units Most units have terminal strips that are labeled or have color coded wiring Open terminal strips such as supplied with switch assemblies require that the included terminal strip covers be installed over the strip and switch back after installation is complete Wiring diagrams are included in the back of this manual and under the cover of the electrical boxes on all units Contact Dometic Corporation if you are not sure if you have the correct diagrams e Each
49. blic Phone 787 720 9628 Fax 787 790 2551 Egypt Dometic Marine United Kingdom Sales Company Location Poole Dorset United Kingdom Phone 44 0 870 3306101 Fax 44 0 870 3306102 E mail sales dometicmarine com Web www dometic com Polfrost Technical Ltd Location Piraeus Greece Phone 30 1 461 3370 Fax 30 1 461 4376 Grenada Climate Company Location Cairo Egypt Phone 20 2 2598092 Fax 20 2 4523028 E mail climate tedata net eg Equador Outfitters International Location St Georges Grenada Phone 473 440 7949 Fax 473 440 6680 E mail footloos caribsurf com Guam Dometic Marine Italy Sales Company Location Milano Italy Phone 39026172583 Fax 390 266010223 E mail marine info dometic it E T N S A S Location Milan Italy Territory Northwest Italy Phone 390 2 253 6115 Fax 390 2 253 6115 E mail geolino tiscalinet it Nautica Centis di Nespolo Cinzia amp C Sne Location Bevazzana de Latisana UD Italy Territory Northeast Italy Austria Croatia Slovenia Phone 390 431 53 644 Fax 390 431 53 460 E mail nautica centis nauticacentis it Web www nauticacentis it Japan Navas Bustos Representaciones Location Guayaquil Equador Phone 593 2 252542 Fax 593 2 251 421 Eritrea Fentress Refrigeration Service Co Location Tamuning Guam Phone 671 565 4038 Fax 671 565 3315 Guatemala Gunji Corporation Location Osaka Japa
50. d fasten the unit with screws or bolts Do not remove the plywood base or shock mounts as they are part of the vibration and noise isolation built into the unit Some models utilize a drain pan with bottom or side conden sate drains Screw or bolt through all corner holes of the pan to mount the unit Do not remove any covers caps or fittings that may expose any wiring or refrigerant Only remove these items when you are ready to complete the installation Removal of any covers may result in damage to the electrical components Removal of the caps or fittings may result in refrigerant loss 4 English Installing The Cooling Heating Unit This section applies only to remote condensing unit systems If you are installing a self contained unit skip this section and go to Installing The Seawater Cooling System A Safety Warning A Cruisair cooling heating unit should never be placed such that it can circulate carbon monoxide fuel vapors or other noxious fumes into the boats living spaces Failure to follow this precaution could result in serious injury or death A Ignition Protection Warning Cooling heating units do not meet federal requirements for ignition protection Do not install in spaces contain ing gasoline engines tanks LPG CPG cylinders regulators valves or fuel line fittings Failure to comply may result in injury or death N Safety Warning Do not terminate air handler condensate drain lines within 3 f
51. dah Saudi Arabia Phone 966 2 6990064 Fax 966 2 6991024 Scandinavia Dometic Marine Nordic Sales Sales Company Location Halmstad Sweden Phone 46 35 16 57 00 Fax 46 35 16 57 10 E mail marine info dometic se Web www dometic com Refnor A S Location Oster s Norway Phone 47 67 14 07 50 Fax 47 67 14 70 88 E mail refnor as c2i net L 0384 Revised 11 10 04 Singapore Thailand Uruguay Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 65 6861 4263 65 6861 8797 sales tritex com sq Web www tritex com sq Slovenia Dometic Marine Italy Sales Company Location Milano Italy Phone 390 26172583 Fax 390 266010223 E mail marine info 9 dometic it Nautica Centis di Nespolo Cinzia amp C Sne Location Bevazzana de Latisana UD Italy Territory Northeast Italy Austria Croatia Slovenia Phone 390 431 53 644 Fax 390 431 53 460 E mail nautica centis nauticacentis it Web www nauticacentis it South Africa Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Spain Acastimar Location Tarragona Spain Phone 349 77 362118 Fax 349 77 362687 E mail acastimar acastimar com Sri Lanka G amp M Enterprises Location Borella Colombo 8 Sri Lanka Phone 94 11 2691966 Fax 94 11 2691751 E mail sltnet Ik Sw
52. e Phone 65 6861 1188 Fax 65 6861 4263 65 6861 8797 E mail sales tritex com sg Web www tritex com sq Costa Rica Costa Rica Yacht Sales Location Marina Los Suefios Playa Herradura Costa Rica Territory Costa Rica Panama Phone 506 637 7181 Fax 506 637 7180 E mail airwick 9 costarica net Metro Marine Location Herradura Costa Rica Phone 506 643 3942 Fax 506 643 2426 Croatia Dometic Marine Italy Sales Company Location Milano Italy Phone 390 26172583 Fax 390 266010223 E mail marine info 9 dometic it Nautica Centis di Nespolo Cinzia amp C Sne Location Bevazzana de Latisana UD Italy Territory Northeast Italy Austria Croatia Slovenia Phone 390 431 53 644 Fax 390 431 53 460 E mail nautica centis nauticacentis it Web www nauticacentis it Cyprus Dometic Marine United Kingdom Sales Company Location Poole Dorset United Kingdom Phone 44 0 870 3306101 Fax 44 0 870 3306102 E mail sales 9 dometicmarine com Web www dometic com L 0384 Revised 11 10 04 Tuti Mare Trading Ltd Location Limassol Cyprus Phone 35725431313 Fax 35 725 431300 Dominican Republic Greece Agencias Navieras B amp R S A Location Santo Domingo Dominican Republic Territory Dominican Republic Phone 809 562 3353 Fax 809 562 3383 E mail hsosa navierasbr com May Day Marine Location San Juan Puerto Rico Territory Puerto Rico Dominican Repu
53. eat will be lower and on hot days it will be higher 7 To reduce superheat slowly add liquid refrigerant to the suction line Do this in very small increments and allow the system to stabilize before taking another reading DO NOT OVERCHARGE If the system is overcharged refrigerant must be removed from the liquid line using an approved recovery cylinder Warning You are charging with liquid refrigerant To prevent liquid from slugging the compressor open the manifold valve only a small amount to allow the refrigerant to flash from liquid to vapor in the charging hose GO SLOWLY A special valve is available for charging liquids 8 Once the superheat is set properly close the manifold gauge valves and backseat the discharge base valve Tighten the stem packing nuts remove manifold gauges and replace service port caps L 2086 40 Pressure Temperature Chart 417 Bubble R 407C Dew Bubble Dew All pressures are in psig Single Component Refrigerant Blended Refrigerant Temperature Temperature Liquid Refrigerant State Constant Pressure Refrigerant State Constant Pressure Glossary Blend A refrigerant that is made up of two or more single compo nent refrigerants Fractionation Change in the composition of a blend because one or more of the component refrigerants is lost or removed faster than the others This happens because the components have different boiling points It ca
54. ecting flare nut joints and tee joints to prevent secondary condensation Secure tubing every 3 feet 1m as necessary for support The copper tubing is connected to the condensing unit and cooling heating unit with flare joints To prevent refrigerant leaks flares must be formed correctly with the proper flaring tool Only 45 degree single flares should be used Flares should be made following the instructions of the particular flaring tool Make sure to slide the flare nut onto the tube before flaring A drop of oil on the tube can ease the flaring process The surface of the flare face must be smooth and free of defects to ensure that the joint won t leak The flare should be large enough in diameter to fill the flare nut completely Once you have completed installing the cooling heating unit and have made the refrigerant connections between the cooling heating unit and the condensing unit proceed to on to the next section Installing The Seawater Cooling System Installing the Seawater Cooling System The following installation instructions apply to both self contained and remote condensing units Importance of a Self Draining System Along with restricted ducting a poorly plumbed seawater system is one of the most common installation problems on marine air conditioners When water flow is lost not only will the air conditioning units no longer cool or heat the units and the pump could be damaged from running with no wate
55. eden Dometic Marine Nordic Sales Sales Company Location Halmstad Sweden Phone 46 35 16 57 00 Fax 46 35 16 57 10 E mail marine info dometic se Web www dometic com Switzerland Marine Parts Heimgartner Location Volketswil Switzerland Phone 41 1 997 40 90 Fax 41 1 997 40 94 E mail info 9 marineparts ch Web www marineparts ch Taiwan Thai Kolon Co Ltd Location Bangkok Thailand Phone 66 2 745 6468 77 10 lines Fax 66 2 745 6152 E mail thkolon ji net com Trinidad amp Tobago Nau T Kol Marine Refrigeration Location Chaguaramas Trinidad Phone 868 634 2174 Fax 868 634 2174 E mail nautkol 9 cablenett net Web www nautkol com Turkey Trimer S A Location Buenos Aires Argentina Phone 5411 4580 0444 Fax 5411 4580 0440 E mail trimer trimer com ar Web www trimer ar Venezuela Dometic Marine United Kingdom Sales Company Location Poole Dorset United Kingdom Phone 44 0 870 3306101 Fax 44 0 870 3306102 E mail sales dometicmarine com Web www dometic com Egemar M hendislik Ltd Location Istanbul Turkey Phone 90 0 216 494 22 27 8 Fax 90 0 216 494 22 18 E mail sales egemar com tr Web www egemar com tr U S Virgin Islands Rich Marine Center C A Location Puerto La Cruz Estado Anzoategui Venezuela Phone 58 281 4180324 25 or 26 Fax 58 281 2811630 E mail richmarine telcel net ve Web www tuyate net West Indies
56. eet 1m of any outlet of engine exhaust systems nor in a compartment housing an engine or generator nor in a bilge unless the drain is properly connected to a sealed condensate or shower sump pump Exhaust and or bilge fumes can travel up a drain line and mix with the return air blowing into living areas Selecting the Site Because of the diversity of available cooling heating units there is a great deal of flexibility in selecting the location Typically the unit is located low in the cabin with the dis charge grill as high as possible for good cooling performance and away from the return air for proper air circulation There are basically 2 types of cooling heating units draw through and blow through Figures 5 and 6 show typical cooling heating unit installations 1 Draw through units typically have squirrel cage blowers that are strong enough to push air through ducting to the discharge grill 2 Blow through units use a fan or blower to blow air across the evaporator coil for direct discharge through a grill The discharge air from these units should not be ducted Some cooling heating units are designed for overhead use and may be mounted below a flybridge console or seating This setup will draw return air through the overhead with discharge air either directly blown back down into the area or ducted to overhead grills It is not necessary for the evaporator coil to be placed directly in front of the return air grill
57. erritory Malta Phone 35 699 498502 Fax 35 621 376476 E mail inmartech waldonet net mt Mexico Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales southerncalmarine com Web www southerncalmarine com Monaco Polymarine Distribution Location Cannet Rocheville France Phone 0033 493463634 Fax 0033 493463634 E mail polymarine bayle free fr Mozambique Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Myanmar Tritex Equipment Pte Ltd Location Singapore Phone 65 6861 1188 65 6861 4263 65 6861 8797 E mail sales tritex com sg Web www tritex com sq Nambia Southern Power Products Location Cape Town South Africa Phone 27 21 511 0653 Fax 27 21 510 3049 E mail sales southernpower co za Netherlands Eberca Location Netherlands Phone 31 186621955 Fax 31 186621818 E mail info eberca nl Netherlands Antilles Enertech N V Location Simpson Bay St Maarten St Martin Netherland Antilles Phone 599 551 2145 Fax 305 675 5857 USA E mail service enertechnv com Web www enertechnv com First Needs Co Location Curacao Netherlands Antilles Phone 599 966 69139 Fax 599 976 79003 E mail hcraft attglobal net Web www firstneedscuracao com New Caledonia
58. es tions please contact the Dometic Corporation Service Department at 804 746 1313 for clarification Note Any model or replacement part that has been installed due to a warranty failure will carry only the remainder of the original warranty All warranties begin when the customer takes possession of the equipment The warranty is extended to all owners of the equipment commencing the date the original owner takes possession of it Proof of original purchase may be required Fuses and MOV s are used as safety devices to protect Cruisair equipment against over current conditions caused by lightning or inductive switching environments These are not covered under warranty We reserve the right to change our warranty policies and procedures as well as our warranty allowances without notice Cruisair Direct Expansion DX Refrigerators Freezers Fish Boxes and Modulating Systems The below warranty periods do not apply to systems that are installed as described in Section Il item 7 of the Owner s New complete system installation using any member of the Xx SMX family Limited Warranty document L 0123 The warranty Inciides the pump New installation of entire system including condensing unit 2 year warranty including Parts and Labor line sets evaporator etc New complete system installation using an electro 1 year warranty including Parts and Labor mechanical control 3 knob New complete model sold as a partial system ret
59. factured by Dometic 7 Warranty does not cover damage to components that comprise a Custom Wrapped Box Evaporator refrigeration system aka catch boxes fish boxes etc when the box is installed in such a way that the customer can move it These damages may include but are not limited to crimped refrigerant linesets copper tubing or flexible linesets refrigerant leaks moisture ingression into the refrigeration system subsequent damage to condensing unit from being operated with low refrigerant charge or moisture in the system broken refrigerant connections broken thermostat sensors and or broken constant pressure valves Installation and application of Dometic components is not warranted by Dometic because Dometic has no control or authority over the selection location application or installa tion of these components Section III What is the period of coverage See the Limited Warranty Periods document L 0694 for the period of coverage 4 English All Dometic components bear a data plate on which there are model and serial numbers The serial number is date coded To determine whether or not any Dometic component is in warranty proceed as follows 1 Determine the manufacture date of the component from the serial number on the data plate If you are not familiar with the date code write or call the Dometic Customer Service Department at 804 746 1313 to obtain the manufacture date The hours of the Cus
60. functions of the air conditioning unit SMX and SMX Net have different P L boards and are not interchangeable Keypad Display The SMXir is a 10 button user interface with a digital readout and LED indicators It is used with SMX Il or SMX Net systems Temperature Sensing Element Air temperature is monitored by a temperature sensing element TSEP that plugs into the power logic board Connecting Cable The keypad display connects to the P L board with a CX or CXP connecting cable SMX Net systems may also have additional network cables and an outside temperature sensor that plug into the P L board Condensate Drain When the air conditioner is running in the cooling mode moisture is removed from the air by the evaporator coil This condensation is then caught in a drain pan and must be drained off to a sump or overboard In humid climates the system can produce a large amount of condensate water that could cause significant damage to your boat if the drain system doesn t work properly f English DX Remote amp Self Contained A C Systems Installation Installation Procedures This first section covers installation procedures for Cruisair direct expansion DX air conditioning systems both self contained units and remote systems Please read and understand the manual before attempting to install any equipment SMX Installation For installation instructions for your SMX Control refer to SMX
61. gt p wiring to be run Fuses must handle Slave Cooling Unit blower current L s 3 Phase From AC dWnd SJosseJdujo spud 4u ni8 000 N3 AUd Hd Field Wiring HRE 048A 6 29 02 L 2086 38 Fig 33 Refrigerant Charging Curves R22 Cooling Cycle Head Pressure 350 psi Suction Pressure 100 psi 24 6kg cm 7kg cm M 300 psi 90 psi gt 21 1kg cm xe 6 3kg cm 250 psi 80 psi 17 6kg cm t ee 5 6kg cm 2 200 psi 70 psi 14 1kg cm xe 4 9kg cm 150 psi 60 psi 10 5kg cm 1 4 2 100 psi 50 psi 7kg cm 3 5kg cm 40 F SOF 60 F 70 F 80 F 90 F 100F 40 F SOF 60 F 70 F 80 F 90 F 100 F 44C 10C 1560 21 1 C 26 7C 32 2C 37 8 44C 10 C 15 6 21 1 C 26 7C 32 2C 37 8 C Seawater Temperature Seawater Temperature Heating Cycle Head Pressure 350 psi Suction Pressure 100 psi 24 6kg cm 7kg cm 2 lt yo 300 psi 90 psi P pas 21 1kg cm 6 3kg cm D sS 250 psi ES 80 psi 17 6kg cm 5 6kg cm 200 psi 70
62. h Assembly SA4 Z Slave Switch Master Cooling Unit Install thermostat in return air path Green L1 White Notes 1 SAS Z switch has a max fan current of 4 amps If total blower draw is greater than this a slave fan switch will be needed Pump is shown wired so that it will cycle with the compressor If continuous pump operation is desired connect to the RED wired on switch assembly Green __ Orange __ White L2 __ Slave Cooling Unit Field Wiring 044 6 02 Fig 29 WFAH System Wiring 230V w Aux Heat Hook Up Wiring Diagram WFAH Condensing Unit 230V SA5 Z Aux Heat Switch Assembly EHBO Cooling Unit w Aux Heat EHBO Type Cooling Unit with integrated elec heat in return air path Capillary Tube Notes 1 SA5 Z type switch has a maximum fan current of 4 amps If total cooling unit draw is greater than 4 amps a slave fan switch will be needed 2 Pump is shown wired so that it will cycle with the compressor continuous pump operation is desired connect to the Red wire on switch assembly Field Wiring HRE 045A 6 02 L 2086 36 230V 1Ph Power From AC Panel SA3 ZCB10 Wires 10 ft 3m WFAH Cond Unit 5 16 000 Btu hr 230V 1 Phase LU To seawater pump or pump relay trigger as 230V 1Ph Power C From AC Panel SAS ZCB10 WFAH Cond Unit 5 16
63. h or SMX keypad and adjust temperature setting so the unit will turn on 4 Verify that water is flowing from the overboard discharge Check all overboards if more than one unit is installed 5 Allow unit to run for 10 minutes at high fan speed Check the temperature differential between discharge and return air by placing an accurate thermometer in front of the discharge grill and then in front of the return air grill In cooling the difference between the discharge and return should be 15 20 F 8 3 11 1 C with normal ambient air and water temperatures In the heating mode the differential can be as high as 25 F 13 9 C If everything checks out the system is ready to go 4 English DX Remote amp Self Contained A C Systems Operation Operating Instructions Rotary Controls SA amp SSA Models 1 2 3 10 Open the seawater inlet valve Set the OFF 96 ON knob to the OFF position Turn on the main circuit breakers on your boat s electrical panel designated for the air conditioning unit If there is more than one air conditioning system on board you must also turn on the breaker for the seawater pump Set the thermostat by turning the knob WARMER COOLER to the desired mode of operation Set the fan speed control to HIGH Turn the top control knob to 96 to energize the blower Turn the top control knob to ON The compressor will start and the unit will begin to cool
64. igerant 14 Charging New System sse Field Charging the System Removing Refrigerant from the System Initial Start Up DX Remote amp Self Contained A C Systems Operation Operating Instructions Rotary Controls 16 SA amp SSA Models reds 16 Operation Instructions SMX Controls 16 SMX II SMX Net Operation 16 Power ON 16 System an 16 Selecting Setpoint seen 16 Displaying Temperature 16 Cool n neri oeste ee n deles 17 Heat Mode J U UU U u u nennen ener nnns 17 Automatic Changeover 17 Manual Fan Speed Control 17 Automatic Fan Speed Control 17 Adjusting Brightness a 17 Using The Humidity Control Routine e 17 Anti Ice Routine 17 Owner Maintenance Routine 18 Condensate Drains 18 Ait Filters et LEE 18 Seawater Connections essen 18 Seawater PUMP a tire sana 18 Seawater Strainer 18
65. ing Fig 18 SHUF18 C CK 1 HV StowAway Compact w 3 V 2 lt 210001009 s o 8100770 Lu Vd SAW 9 SIN d1v9S 9 voO v 8 3lvad L ZHO9 0S 2VAOEC S V L A LI2OT3A HO9IH TOH LNOO M LOVdINOO AVMVMOLS 19 9 8L43NHS JlesiniO uoneJod4o oneuoq KINO 396 83 038 1HM S SNIMIM 071313 9019 aaziviod 3915 xog 5313 1081405 9 amg v 3339 dnd SHO103NNOO 1108 89 SHO102 318 5 S 031319395 3SIMN3HLO 531 39nvo S3HIM JION vss 5 HOLIMS 3915 KINO SLNN 31949 3S83A38 Q3Sn LINQ Q3NIVINOO 3135 505534409 vi SI ama JION lt Ze xC BNvd AV 133 MO 1 9019 335 AINO SLNN 31040 3SH3AdN 7109 0103105 v0 Gesavo 0018 3711 q3SIA33 Y0 64 8 v NOLLdlHOS3Q NOISIASY HOLIMS 33055334 MOV IB anig T3A NYO 2 5 pamm 7 gif Q38 1HM I 1 AlddNS MN3MOd 30 14109 V G3LS3LNOO 38 NO IN4MVINN 38 TIVHS NOLL VHOdHOO OIL3NOG IN3SNOO LNOHLIM 3109131514 AdOO OL LdW3
66. ing the return air filter Adequate space for seawater and condensate drain connections Flat horizontal and sturdy mounting location Condensate drain can be run continuously downhill from unit to overboard fitting or sump Space is sealed from the bilge or outside air Mounting the Self Contained Unit Before mounting the unit rotate the blower for discharge in the desired direction by removing the screws from the blower mounting flange and any supporting the rear of the blower then replacing all screws and remounting the electrical box if needed Mount the unit on a horizontal surface and fasten securely with the hold down clips provided If the unit has a detachable electrical box and you wish to mount it remotely it should be securely fastened to a bulkhead or deck Route the condensate drain so that it flows freely to an overboard fitting or sump Do not permit condensate to puddle in the bilge Note that most Cruisair self contained units have two condensate drains one at each end It is recommended that you use both drains for best results but if you choose to use only one condensate drain place the included plug in the other hole Once the unit is correctly mounted proceed to section titled Installing The Seawater Cooling System L 2086 Installation Installing The Gondensing Unit This section applies only to remote condensing unit systems If you are installing a self contained unit skip thi
67. ining System 9 Through Hull Inlet Fitting Seacock ss ul mM EE cng eh cance dea ET e b che entire Manifolds Overboard Discharge Seawater Piping Installing The Air Distribution System 10 Return Air Grill RA Grills a 10 DUCIS coh nine edema m 10 Discharge Ait Grill 2 ceret oett tete ede 11 Installing the Control Unit 11 The SMX CONTON een eia raae nennen The Rotary Knob Switch Assembly Installing the Pump Relay 11 REL 11 Voltage and Triggers eene 12 Electrical Connections 12 Three Phase Power netten tenter enn 12 Final Inspection 13 Inspecting the Seawater Cooling System 13 Inspecting the Self Contained Unit 13 Inspecting the Condensing Unit Remote Condensing Unit Systems Only 13 Inspecting the Cooling Heating Unit Remote Condensing Unit Systems Only 13 Inspecting the Refrigerant Connections Remote Condensing Unit Systems Only 13 Inspecting the Air Distribution System 13 Inspecting the Control Switch Assembly and Electrical Wiring 18 Charging the System with Refr
68. ion Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com L 0384 Revised 11 10 04 Kansas A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Kentucky Thom Chase Heating and A C Location Chattanooga TN USA Territory Northern Alabama Northern Mississippi Tennessee Western Kentucky Phone 423 344 6356 Fax 423 344 6356 E mail thomchase aol com Louisiana A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Sea Chest Marine Distr Location New Orleans LA USA Territory Gulf Coast LA amp MS Phone 800 535 8630 Fax 504 288 1758 Maryland Annapolis Cruisair Location Annapolis MD USA Territory Baltimore amp Areas South Phone 410 224 0970 Fax 410 224 0050 E mail cruisair45 aol com Maryland N of Baltimore Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com Massachusetts World Wide Enterprises Location Cape Cod MA USA Phone 508 540 0963 Michigan J amp S Marine Sales amp Service Location Detroit MI USA Phone 586 463 3400 586 463 1792 jandsmarine sbcglobal net Midwest Marine Supply Location St Clair Shores MI USA Phone 586
69. ion of refrigerant Refrigerant Line Sizes for Typical 2 Unit Split Systems Cond Unit 1 2 Discharge Lines Suction Lines Btu hr Btu hr Btu hr DU D1 D2 SU 1 52 10 000 5 000 5 000 1 4 1 4 1 4 3 8 3 8 3 8 16 000 8 000 8 000 1 4 1 4 1 4 1 2 3 8 3 8 16 000 12 000 4 000 1 4 1 4 1 4 1 2 3 8 3 8 20 000 10 000 10 000 3 8 1 4 1 4 1 2 8 3 8 24 000 12 000 12 000 3 8 1 4 1 4 1 2 3 8 3 8 24 000 16 000 8 000 3 8 1 4 1 4 1 2 1 2 3 8 30 000 16 000 16 000 3 8 1 4 1 4 3 4 1 2 1 2 36 000 20 000 16 000 3 8 3 8 1 4 3 4 1 2 1 2 48 000 24 000 24 000 3 8 3 8 3 8 3 4 1 2 1 2 60 000 30 000 30 000 1 2 3 8 3 8 3 4 3 4 3 4 72 000 36 000 36 000 1 2 3 8 3 8 3 4 3 4 3 4 L 2086 24 Fig 8 Seawater Piping Proper System and Common Mistakes Correct Incorrect Steady uphill flow from inlet to unit Steady uphill or downhill flow from unit to overboard Hoses double clamped with reversed clamps SW pump and strainer below waterline Hoses must not have kinks loops or high spots where air can be trapped A C Condenser Coil Seawater Outlet Water Line tz Water Line Seacock ballvalve through hull inlet Incorrect Incorrect Strainer must be below
70. ithout obligation or liability to owners of units of the same year s model of prior manufac ture This warranty gives you the purchaser specific legal rights and you may also have other rights which vary from state to state You also have implied warranty rights including an implied warranty of merchantability which means that your product must be fit for the ordinary purposes for which such goods are used The duration of any implied warranty L 2086 rights is limited to the duration of the express warranty as found in Section Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you Section Il What does this Limited Warranty not cover This Warranty Shall Not Apply to 1 Failures resulting from improper installation or use contrary to instructions 2 Failures resulting from abuse misuse accident fire or submergence 3 Any part manufactured by Dometic which shall have been altered so as to impair its original characteristics 4 Any parts which fail as a result of misuse improper application or improper installation 5 Items not manufactured by Dometic i e items which are purchased from another manufacturer and supplied as received by Dometic without alteration or modification except as any part of an Dometic manufactured unit or component 6 Components or parts used by or applied by the purchaser as an integral part of products not manu
71. l footloos caribsurf com Parts And Power Location Tortola British Virgin Islands Phone 284 494 2830 Fax 284 494 1584 E mail partspwr surfbvi com Reefco Location St Thomas U S Virgin Islands Phone 340 776 0038 Fax 340 776 0038 E mail dennyedy viaccess net Regis Electronics St Lucia LTD Location St Lucia West Indies Phone 758 452 0205 Fax 758 452 0206 E mail stlucia regiselectronics com St Croix Marine Corp Location St Croix U S Virgin Islands Phone 340 773 0289 Fax 340 778 8974 E mail stcroixmarine 9 hotmail com Sun Cool Air Conditioning Copr Location Carolina Puerto Rico Phone 787 791 6971 Fax 787 791 3885 E mail suncool1 coqui net Technical House E T S Inc Location San Juan Puerto Rico Territory Sentry Battery Chargers Only Phone 787 781 1313 Fax 787 781 2020 E mail idonato technicalhouse com Web www technicalhouse com The Signal Locker Location English Harbour Antigua Phone 268 460 1528 Fax 268 460 1148 E mail lockers candw ag China Chi Mo Inc Location Shanghai China Phone 8621 5917 1111 Fax 8621 5917 1166 E mail sales springfieldmarine com cn Web www springfieldmarine com cn Tritex Equipment H K Ltd Location Shanghai Beijing Guangzhou Wuhan China Phone 8621 5240 2638 Fax 8621 5240 2153 E mail tritex public sta net cn Web www tritex com sq Tritex Equipment Pte Ltd Location Singapor
72. lay Wiring Trigger 71 909 19 D Trigger 8 00 18 Kpjae1 ay pesn eq upo 66 Klquu ssp uos pu amp is yo ow snw eboyo 1 40 sosseidwiod 2 3u9493J1Q Fig 27 WFAH System Wiring 115V PR8X Pump Relay Hook Up Wiring Diagram WFAH Condensing Unit 115V SA3 Z Switch Assembly One or Two Cooling Units Cooling Unit Install thermostat oo in return air path Notes 1 SA3 Z type switch has a maximum fan current of 4 amps If total cooling unit draw is greater than 4 amps a slave fan switch will be needed 2 Pump is shown wired so that it will cycle with the compressor If continuous pump operation is desired connect to the Red wire on switch assembly HRE 043A 6 25 02 L 2086 Orange Fan White 2 Green __ _ White N __ Second Cooling Unit Field Wiring 35 Pump Relay 115 230V 50 60Hz 1ph Up to 8 A C units 115 230V 4expeug 41044 U 4eMod SIC 1 Field Wiring 115V 1Ph Power me From AC Panel SA3 ZB10 WFAH Cond Unit 5 16 000 Btu hr 230V 1 Phase LU 2 5 To seawater pump or pump relay trigger Fig 28 WFAH System Wiring 230V Hook Up Wiring Diagram WFAH Condensing Unit 230V SA3 Z Switc
73. lets for clogging Remember that many Cruisair systems have two drains and hoses one at each end of the unit Air Filters At least once a month check the lint screen or filter behind the return air grill or on the face of the cooling heating unit and clean if necessary Seawater Connections Verify that all seawater connections are tight and check for water flow from each unit s overboard discharge Seawater Pump If your system uses a rubber impeller seawater pump you should inspect the impeller after 300 hours of operation Replace it if worn If you have a centrifugal pump regular maintenance is not needed Seawater Strainer Check the seawater strainer daily Remove any debris Refrigerant Gas The refrigerant gas most likely R 22 used in your Cruisair air conditioning system is adequate for the life of the system Routine seasonal charging of the system is not typically necessary Winterizing the System Close the seacock and remove the inlet water hose from the air conditioner Allow all water to drain from the system Loosen the screws on the pump head to allow the water to drain from the pump Drain and clean the seawater strainer Trouble Shooting Before you call for service review this list It may save you time and expense This list contains common occurrences that are not a result of defective workmanship or materials If you need service after trying these procedures call your nearest Cruisair de
74. living space Bear in mind that the advent of air conditioning whether it be for cooling or for heating naturally leads to the practice of closing a living space tightly Never close all windows and doors unless auxiliary ventilating systems which introduce clean outside air into the living space are used Always leave enough window and door openings to provide adequate ventilation in the event potentially lethal gases or fumes should escape from any Source CONDENSATE All cooling units produce water condensate when operating on the cooling cycle This water must be drained from the cooling unit overboard If condensate is allowed to drip on a wooden structure rotting or decay and structural failure may occur which could result in loss of life If condensate is allowed to drip on electrical components deterioration of the electrical components could result in hazardous conditions When an air conditioning system is in operation condensate drains may be subjected to negative pressure Always locate condensate drains as far as possible from points where engine waste and other dangerous gases are exhausted so no such dangerous gases can be drawn into the condensate drains Warning Never sleep in a closed area on a boat when any equipment which functions as a result of the combustion of a volatile fuel is in operation such as engines generators power plants or oil fired heaters etc At any time the exhaust system of such devices could
75. ly LETHAL gases Refrigerant components operate at high pressure and no servicing should be attempted without gloves long sleeved clothing and eye protection Liquid refrigerant gas can cause severe frost burns to the skin and eyes VENTILATION To cool or heat air CRUISAIR MARINE AIR and GRUNERT components are designed to move air through a heat exchanger by a blower or propeller fan This design necessarily produces a suction on one side of the air handling component and a pressure on the other side Air handling components must be installed so that the suction pressure action does not 1 pressurize an area to the extent that structural failure occurs which could cause harm to occupants or bystanders or 2 cause a suction or low pressure in an area where hydrogen gas from batteries raw fuel vapor from fuel tanks carbon monoxide from operating propulsion engines power generators or heaters methane gas from sewage holding tanks or any other dangerous gas or vapor could exist If an air handling unit is installed in such a manner that allows potentially lethal gases or vapors to be discharged by the air handling unit into the living space this could result in loss of life Maximum protection against the introduction of dangerous gases or vapors into living spaces can be obtained by providing living spaces which are sealed from all other spaces by use of airtight bulkheads and decks etc and through the introduction of clean air into the
76. m Hawaii Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales 9 southerncalmarine com Web www southerncalmarine com Idaho Sure Marine Services Inc Location Seattle WA USA Phone 206 784 9903 Fax 206 784 0506 E mail sales suremarine com Illinois J amp S Marine Sales amp Service Location Detroit USA Phone 586 463 3400 Fax 586 463 1792 E mail jandsmarine sbcglobal net Midwest Marine Supply Location St Clair Shores MI USA Phone 586 778 8950 Fax 586 778 6108 Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com Indiana J amp S Marine Sales amp Service Location Detroit USA Phone 586 463 3400 Fax 586 463 1792 E mail jandsmarine sbcglobal net Midwest Marine Supply Location St Clair Shores MI USA Phone 586 778 8950 Fax 586 778 6108 Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com lowa J amp S Marine Sales amp Service Location Detroit MI USA Phone 586 463 3400 Fax 586 463 1792 E mail jandsmarine sbcglobal net Midwest Marine Supply Location St Clair Shores MI USA Phone 586 778 8950 Fax 586 778 6108 Nautical Air Conditioning Inc Locat
77. made such refund shall effect the cancellation of the contract of sale without reserva tion of rights on the part of the purchaser Such refund shall constitute full and final satisfaction of all claims which purchaser has or may have against Dometic due to any actual or alleged breach of warranty either express or implied including without limitation any implied warranty of merchantability or fitness for a particular purpose Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you The terms and conditions of this warranty shall be governed by the laws of the Commonwealth of Virginia The Dealer is not an agent for Dometic except for the purpose of administering the above warranty to the extent herein provided and Dometic does not authorize the dealer or any other person to assume for Dometic any liability in connection with such warranty or any liability or expense incurred in the replacement or repair of its products other than those expressly authorized herein Dometic shall not be responsible for any liability or expense except as is specifically authorized and provided in this section Dometic reserves the right to improve its products through changes in design or material without being obligated to incorporate such changes in products of prior manufacture and to make changes at any time in design materials or part of units of any one year s model w
78. move the unit for service later Inspecting the Cooling Heating Unit Remote Condensing Unit Systems Only Is the unit securely mounted Are condensate drains properly routed to an overboard discharge or sump f only one condensate drain is used have any other drain holes in the drip tray been plugged Inspecting the Refrigerant Connections Remote Condensing Unit Systems Only Are flare joints made with forged flare nuts and properly tightened Are flare joints and tees properly insulated Are copper refrigerant tubes individually insulated Are tubes fastened securely to the boat every three feet or as needed throughout their length Inspecting the Air Distribution System Is there unobstructed airflow from the return air grill to the coil Is there a lint screen or filter in the return air path where it is accessible for regular cleaning Have flexible ducts been pulled tight to remove bends and constrictions Are grills correctly sized for the system 4 English Inspecting the Control Switch Assembly and Electrical Wiring s the thermostat sensor or thermistor properly located and secured in the return air path and not in direct contact with any metal objects For switch assemblies with two sensing bulbs the large one goes in the return air path and the small one in the discharge air path Are all wiring harnesses properly secured Are wiring connections made color to color c
79. n Phone 81 6 6451 5615 Fax 81 6 6454 0056 E mail qunji gunii com Web www gunji com Kuwait DM Electrical Engineering Location Asmara Eritrea Phone 291 1 126737 Fax 291 1 127650 France Automotores y Marina S A Location Villa Nueva Guatemala Phone 502 6631 2033 Fax 502 6631 2034 E mail info 9 automotoresymarina com Hong Kong Mantech Location Dubai United Arab Emirates Phone 97143332542 Fax 971 4 333 06 49 E mail mgeQ emirates net ae Luxembourg Dometic Marine France Sales Company Location 60 128 Plailly France Phone Cell 0033 0 680 415 543 Fax 0033 0 344 633 518 E mail marine sales dometic fr Polymarine Distribution Location Cannet Rocheville France Phone 0033 493463634 Fax 0033 493463634 E mail polymarine bayle free fr French West Indies Astral Marine Ltd Location Sai Kung NT Hong Kong Phone 852 2719 5982 Fax 852 2792 6567 E mail funcle pacific net hk Web www astral com hk Tritex Equipment H K Ltd Location Kowloon Hong Kong Phone 852 2341 3329 Fax 852 2343 1830 E mail tx1607 netvigator com Indonesia Eberca Location Netherlands Phone 31 186621955 Fax 31 186621818 E mail info eberca nl Malaysia C S Services Location Martinique French West Indies Phone 596 749113 Fax 596 749174 Iceberg Refrigeration Location Guadeloupe French West Indies Phone 590 24 35 35 Fax 590 24 35
80. n occur in a tank or system that has lost gas or locally in a system component such as a coil or accumulator Temperature Glide Because of the different boiling temperatures of the components a blend will evaporate over a range of temperatures at a constant pressure The difference between the Bubble Point and the Dew Point is the Temperature Glide Superheat The extra heat beyond what is required to fully evaporate the refrigerant that the refrigerant picks up in the evapora tor Superheat is determined by measuring the refrigerant tempera ture at the suction line and then subtracting the saturation tempera ture found from the pressure temperature chart using suction pressure Use the Dew Point pressure for blends Bubble Point The pressure at which a blend starts to boil Listed in the pressure temperature chart Dew Point The pressure at which a blend finishes boiling Listed in the pressure temperature chart L 2270 Rev 10 24 03 Cruisair Worldwide Service Dealer Locator The majority of the service listings displayed for the United States are key members of the national Cruisair distributor or master dealer network If you need service please contact the closest company shown In most cases they will direct you to a local dealer or service port We have over 500 Cruisair dealers in the national Cruisair network and one should be convenient to you The international companies listed are in many cases distributo
81. ng Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com New Mexico A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com New York Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com North Carolina Martin s Marine Location Territory Phone Fax Wilmington NC USA North Carolina and Myrtle Beach SC 910 799 9362 910 793 4267 North Dakota A E R Supply Inc Location Phone Fax E mail Seabrook TX USA 281 474 3276 281 474 2714 rsmiller aersupply com Ohio Nautical Air Conditioning Inc Location Phone Fax E mail Web Copiague NY USA 631 956 3456 631 956 3479 sales nauticalair com www nauticalair com Oklahoma A E R Supply Inc Location Phone Fax E mail Seabrook TX USA 281 474 3276 281 474 2714 rsmiller aersupply com Oregon Sure Marine Services Inc Location Phone Fax E mail Seattle WA USA 206 784 9903 206 784 0506 sales suremarine com Pennsylvania Nautical Air Conditioning Inc Location Phone Fax E mail Web Copiague NY USA 631 956 3456 631 956 3479 sales nauticalair com www nauticalair com Rhode Island Cay Electronics Location Territory
82. ng backwards Scroll compressors will usually make loud unusual noises and will not perform properly 4 English Safely Warning To prevent a possible electrical shock in the event a component has an electrical breakdown which could result in serious injury or death always ground the system in the following manner Use proper wire size with a ground to feed power from the ship s electrical panel to each cooling unit junction box Make sure the ground wire is properly connected to the ground buss in the ship s service distribution panel and to the ground lug in the cooling unit s junction box Connect the junction box ground lug to the P L box green wire or to the switch assembly terminal strip Use proper wire size with a ground to feed the power from the ship s electrical panel to the condensing unit s junction box Make sure the ground wire is properly connected to the ground buss in the ship s service distribution panel and to the condensing unit s ground lug Ground the seawater pump and pump relay if used to the condensing unit s ground lug Bond the ground lug on the condensing unit to the ship s grounding system Check the continuity of the ground system before the system is energized Note Always follow ABYC guidelines or local codes when selecting breakers and wire sizes ABYC standards are available from American Boat and Yacht Council 3069 Solomon s Island Rd Edgewater MD 21036 Telephone 410
83. nient location with discharge air ducted to a grill high in the compartment See Figure 4 for a typical installation A Ignition Protection Warning Self contained units do not meet federal requirements for ignition protection Do not install in spaces contain ing gasoline engines tanks LPG CPG cylinders regulators valves or fuel line fittings Failure to comply may result in injury or death The self contained unit must be mounted in a space large enough to provide clearance on all sides for air circulation It is not necessary that the coil be placed directly behind the return air grill but an unobstructed path must be provided for the air to get to the coil A 2 50 mm space in front of the evaporator coil must be maintained Measure carefully for horizontal and vertical clearance prior to proceeding with installation It is a good practice to place each component physically in the area you have selected to ensure that there is enough space and that connections can be easily made Note that some Cruisair self contained units have a detach able electrical box which can be remotely mounted to save space in the installation f English Site Location Checklist Unit is not located in an engine room or near an internal combustion engine There is no obstruction of airflow from return air grill to coil Seawater can be piped to the unit with no loops dips or kinks Accessible for service and maintenance includ
84. one 619 224 2869 Fax 619 226 0496 E mail sales southerncalmarine com Web www southerncalmarine com Colorado A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Connecticut Charles S Miller Yacht Engine Service Location Old Saybrook CT USA Territory Connecticut River Area Phone 860 388 9183 Fax 860 388 2223 Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com Delaware Nautical Air Conditioning Inc Location Copiague NY USA Phone 631 956 3456 Fax 631 956 3479 E mail sales nauticalair com Web www nauticalair com Florida Cruisair Southeast A Division of T K Alley Inc Location Dania FL USA Territory Southeast Florida Phone 954 920 0300 Fax 954 920 0301 E mail tkalley aol com Web www cruisair southeast com Cruisair Suncoast Inc Location St Petersburg FL USA Territory Tampa St Petersburg and surrounding areas Phone 727 526 7875 Fax 727 528 9519 E mail cruisairsuncoast yahoo com Ward s Marine Electric Inc Location Ft Lauderdale FL USA Territory Battery Chargers Only Phone 954 523 2815 Fax 954 523 1967 E mail info wardsmarine com Georgia Beard Marine Savannah Location Savannah GA USA Phone 912 356 5222 Fax 912 692 1006 E mail Ipstorkbms aol co
85. orrectly at terminal strips Are plugs properly aligned and securely connected Are all components properly grounded and bonded Are proper sized circuit breakers used Are terminal strips located in a dry safe place and properly covered Charging the System with Refrigerant Self contained units are precharged from the factory and do not need further charging If you are installing a self contained system skip this section and proceed to Initial Startup The following instructions should be followed in evacuating and charging a Cruisair remote condensing unit system with R 22 Some special ordered units contain refrigerant other than R 22 Please follow the special charging procedures included with the unit Notice US federal law prohibits the intentional release of refrigerant gases into the environment including the R 22 refrigerant used in most Cruisair air conditioning systems Special care must be taken when installing charging and servicing Cruisair equipment to prevent any loss of equipment Only EPA certified technicians with the proper equipment should perform service on the refrigerant circuit of the system Charging a New System There are three refrigerant circuit components in a Cruisair remote condensing unit system the condensing unit the cooling heating unit and the copper refrigerant lines The condensing unit is shipped from the factory charged with approximately the right amount of refriger
86. psi 14 1kg cm 4 9kg cm 150 psi 60 psi 10 5kg cm 4 2kg cm 100 psi 50 psi 7kg cm2 3 5kg cm 40 F SOF 60 F 70 F 80 F 90 F 100F 40 F SOF 60 F 70 F 80 F 90 F 100 F 44C 10C 15 6 21 1 C 26 7C 32 2C 37 80 10 C 15 66 21 1 C 26 7C 32 2C 37 8 C Seawater Temperature Seawater Temperature L 2086 39 Fig 34 Charging Systems with Alternative Refrigerants New A C units are available from the factory with non HCFC refrigerants R 417A also known as NU 22 or Isceon 599 is a direct drop in replace ment for R22 It will work with Alkyl Benzene and mineral lubricants so standard compressors can be used Note that some self contained units with rotary compressors and chillers with scroll compressors might have R 407C with POE lubricant Both R 417A and R 407C are blended refrigerants meaning they are made up from multiple component refrigerants In most cases the user will not notice a change in operation or performance of these systems but charging a system with a blend requires some special considerations We currently don t have charging curves for either gas A system with a blend must be charged by superheat The system should be charged with liquid refrigerant from the tank to prevent fractionation Note
87. r condi tioner works best when the seawater temperature is below L 2086 Introduction 90 F 32 C At higher water temperatures the unit will operate but at reduced capacity As the water temperature rises so does the refrigerant gas pressure A high pressure safety switch will shut the unit down if the water temperature gets too hot or there is a loss of cooling water flow In heat mode the opposite is true As the seawater tempera ture gets colder there is less heat available and heating performance drops Full heating capacity is available in water temperatures as low as 55 F 13 C but drops to about 5096 capacity in 40 F 4 4 C water Below this the refrigerant pressure can be so low that the unit will not produce heat or may shut down on low pressure fault if this option is in stalled Types of DX Systems Self contained units have all major mechanical components of an air conditioning system mounted on one chassis including the compressor seawater condenser evaporator coil blower electrical box and related parts The self contained unit is normally mounted low in the living area under a settee or berth or in a closet or locker Cabin air is pulled into the unit where it is cooled or heated then discharged through ducting to a grill usually located on a bulkhead high in the compartment The refrigerant circuit in a self contained unit is pre charged and sealed at the factory and no additional charging i
88. r flow When using a centrifugal seawater pump it is imperative that the seawater piping be routed continually uphill from the through hull inlet to pump and to the condenser then smoothly up or down to the overboard discharge without any dips or loops and with only one high point in the system This is said to be self draining because all water would drain out of the piping if the boat were lifted out of the water Whenever air gets into the system which can happen in heavy seas or a sharp turn it can become trapped in the pump Because a centrifugal pump cannot pump air flow through the system is lost A self draining seawater system will allow air in the piping to rise naturally through the pump and then be expelled It will L 2086 Installation also make winterizing the system much easier Figure 8 shows a properly plumbed system and some common mistakes Through Hull Inlet Fitting A separate through hull fitting must be installed for each air conditioning seawater pump Do not attempt to draw water from an engine generator or other through hull fitting A scoop type through hull should be installed facing forward and as far below the water line and close to the keel as possible Drill a properly sized hole for the through hull fitting Bed the scoop with marine sealant designed for underwater use and tighten the nut onto the through hull to secure it Seacock A full flow seacock should be installed directly on
89. ram To start the dehumidification program Press OFF Press COOL HEAT and FAN keys simultaneously For the SMXir Remote Control only Press the Dehumid key to enter dehumidification mode The data display will flash HU indicating that the program is active To halt the dehumidification program press any key The HU message will stop flashing Safety Note Whenever the SMX system is in the dehumidification mode all of the system safeguard controls remain active If the seawater flow fails or if line voltage falls below preset limits the system will automatically shut down If AC power is interrupted the system will automatically resume operation in the dehumidification mode when power is restored Anti Ice Routine The SMX control will occasionally shut down the compressor in the cooling mode to allow any ice that may have formed on the evaporator coil to melt The anti ice shutdown only occurs at inside temperatures lower than 70 F 21 C In a 10 minute cycle period the compressor will shut off for 15 seconds per degree F below 70 F For example if the inside temperature is 67 F the compressor will shut off for 45 seconds every 10 minutes 4 English Owner Maintenance Routine Condensate Drains Every three months check the condensate drains for obstruc tions by pouring a quart of water rapidly into the condensate pan If it does not drain completely within 30 seconds check the drain out
90. re connections install the protective plastic cover remote systems only over the terminal strip Next install the plastic cover over the back of the switch assembly remote and self contained systems and mount the switch to the bulkhead with the 4 screws provided Installing the Pump Relay The following instructions apply to both self contained and remote condensing unit systems that have multiple A C units served by a single seawater pump If you only have one A C unit or each unit has it s own seawater pump then skip to the next section Location The pump relay is generally located in the engine room near the seawater pump but it can be mounted anywhere that is convenient and accessible It must be in a dry location away from any possible water spray with room for some heat dissipation 4 English PR3X and PR8X pump relays are certified ignition protected However pump relays with electromechani cal relays or contactors such as 3 phase pump relays are not ignition protected and must never be installed in spaces containing gasoline engines tanks LPG CPG cylinders regulators valves or fuel line fittings Failure to comply may result in injury or death Voltage and Triggers PR3X and PR8X pump relays are identical in operation When the first A C unit turns on the pump relay will turn on the seawater pump and the pump will stay on until the last A C unit shuts down The PR3X can oper
91. rofit to an The warranty includes the pump existing Cruisair system 1 year warranty including Parts and Labor 1 year warranty including Parts and Labor New complete model sold as a partial system retrofit to an New installation of condensing unit only with line sets existing system evaporators etc done by others i e not Cruisair pre Includes SMX family charged line sets and evaporators 1 year warranty including parts and labor on 1 year warranty including Parts and Labor mechanical and electrical parts of condensing unit only Cruisair Tempered Water New complete system installation using any member of the Replacement Parts SMX family Replacement parts and components example A 509 2 year warranty including Parts and Labor 40401 30 NOTE Excludes pump which has a 1 year warranty 90 day warranty Parts only New complete model sold as a partial system retrofit to an Replacement Compressors for other than Tempered Water existing system Systems example R3101 16T DX equipment installed in an existing Cruisair system or a competitor s system Includes SMX family I 1 year warranty including Parts and Labor 1 year warranty including Parts and Labor Replacement compressors for Tempered Water example 30130 36 installed in an existing Cruisair system Sentry Battery Chargers 1 year warranty including Parts and Labor Tempered Water compressor example 30130 36 installed with competitors eq
92. rs and are capable of managing the majority of service requests for the countries listed In some cases they will refer you to a local dealer You may also contact us directly via the web site or call us in the US at 804 746 1313 For a complete and up to date Dealer locator list please visit our website at http www cruisair com cruisair dealer html USA AAP Inc Location Milford VA USA Territory National Coach amp Mobile Products Only Phone 804 633 9454 Fax 804 633 5499 Web www aap com Alabama A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com Thom Chase Heating and A C Location Chattanooga TN USA Territory Northern Alabama Northern Mississippi Tennessee Western Kentucky Phone 423 344 6356 Fax 423 344 6356 E mail thomchase aol com Alaska Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales southerncalmarine com Web www southerncalmarine com Arizona Southern California Marine Enterprises Location San Diego CA USA Phone 619 224 2869 Fax 619 226 0496 E mail sales southerncalmarine com Web www southerncalmarine com Arkansas A E R Supply Inc Location Seabrook TX USA Phone 281 474 3276 Fax 281 474 2714 E mail rsmiller 9 aersupply com California Southern California Marine Enterprises Location San Diego CA USA Ph
93. s as possible Keep ducts as short as possible e Support ducting to prevent sagging during boat operation Trim excess ducting before attaching to transition adapters Make sure ducting is not crushed or kinked Use aflexible transition duct between blower and any built in ducting f possible rotate blower to keep duct run as short and direct as possible Discharge Air amp rill When used with flexible ducts a grill plenum should be incorporated behind the discharge grill Location of this grill should be as high as possible in the cabin and oriented so that air flow between discharge and return encompasses as great an area as possible in the cabin Care should be taken to avoid short cycling a situation where the conditioned air is returned to the coil without being substantially affected by the cabin air Installing the Control Unit The SMX Control If your system has SMX controls refer to the appropriate SMX Il or SMX Net Control System Installation Operation Manual The Rotary Knob Switch Assembly The following instructions apply to both self contained and remote condensing unit systems using a rotary knob switch assembly A Warning The rotary knob switch assembly switches line voltage 115 or 230VAC and in many case full power of the unit The selected mounting location must be safe in regards to voltage as well as heat produced by the switch assembly L 2086 Installation 11 Location
94. s needed at installation A typical self contained unit is shown in Figure 1 Remote systems also called split gas have the air condi tioning components mounted on two separate chassis that are installed in different locations and are connected by copper refrigerant tubing The condensing unit consists of the compressor seawater condenser and electrical components and is mounted in the engine room or other mechanical space The cooling heating unit includes the evaporator coil and a fan or blower mounted on a drip pan It is installed in the living area in a similar manner to a self contained unit Two or three cooling heating units can be connected to one condensing unit so that multiple or large cabins can be cooled A remote system must be charged with refrigerant after installation by a certified technician A typical condensing unit is shown in Figure 2 and Figure 3 is a typical draw through type cooling heating unit 4 English Subsystems Both self contained units and remote condensing systems require subsystems that are purchased separately because of the many variations and options available These include the seawater air distribution and control subsystems Seawater System The seawater cooling system consists of an inlet through hull fitting seacock water shut off valve strainer pump and overboard discharge fitting all connected by hose or piping If multiple air conditioning units are served by a single
95. s section and go to Installing The Seawater Cooling System Selecting the Site Cruisair condensing units are designed to be installed in any convenient location The unit is normally placed in the engine room or other machinery space but it can be located in the living areas The condensing unit will produce condensation so a drip pan may be needed The space around the unit can be insulated to reduce noise if desired The unit is internally cooled and does not require ventilation A Ignition Protection Warning Most Cruisair remote condensing units meet federal requirements for ignition protection However there are some condensing units such as those with 3 phase compressors that are not ignition protected Do not install non ignition protected units in spaces containing gasoline engines tanks LPG CPG cylinders regula tors valves or fuel line fittings Failure to comply may result in injury or death Site Location Checklist Adequate space for access to refrigerant and seawater and electrical connections Accessible for service and maintenance Flat horizontal surface Away from direct spray from engine air intakes or water washdown Maximum refrigerant tube run is 5Oft 15m Mounting the Remote Condensing Unit Orient the unit so the refrigerant electrical connections and service ports are accessible On models with a plywood base simply drill 4 mounting holes through the base in appropriate locations an
96. the breaker for the seawater pump 3 Adjust SMX settings as desired Hint It is good practice to check for seawater flow by observing the overboard discharge when the system is first turned on If you do not observe steady water flow shut the system down and check the seawater system Power 0n When AC power is applied to the system at the circuit breaker the SMX microprocessor retrieves from permanent memory the last operating configuration This process takes about four seconds after which the system will begin operating just as it had been when power was last turned off System Off Press the OFF key to turn the system off Note that the data display remains energized even when the system is off The fan can be turned on manually when the system is in the off mode Note The SMX has built in protection against sudden power interruptions The system automatically stores the current operating configuration in permanent memory every time you make changes The new operation mode must be in affect for 10 seconds before it is saved into permanent memory When AC power is lost the SMX system retains these settings and when AC power is restored it resumes operation using the same settings as before Selecting Setpoint Press the SET key and the current setpoint will be displayed Press the UP or DOWN key to change the setpoint Displaying Temperature To display cabin temperature press the TEMP key SMX II Only Press TEMP
97. the removal of hazardous fumes or vapors should be operated at least 5 minutes before and during operation of any Dometic product or group of Dometic products All electrical connections must be covered and protected so accidental contact cannot be made by persons using the equipment as such contact could be LETHAL ELECTROLYSIS Electrical leakage of any component can cause electrolytic deterioration electrolysis of thru hull components which could result in leakage serious enough to sink a vessel which could result in loss of life All Dometic components must be kept clean and dry and checked periodically for electrical leakage If any electrical leakage is detected the component should be replaced or the fault causing the leakage corrected before the component is put back into service GAS CRUISAIR MARINE AIR GRUNERT and TUNDRA components utilize R 22 Chlorodifluoromethane R134a refrigerant Tetrafluoroethane R 407C which contains Diflouromethane HFC 32 Pentafluoroethane HFC125 and 1 1 1 2 Tetrafluoroethane HFC134a R404A R125 R143a R134 44 52 4 or 417 which are non toxic non flammable gases however these gases contain no oxygen and will not support life Refrigerant gas tends to settle in the lowest areas of the compartment If you experience a leak evacuate all personnel and ventilate area Do not allow open flames in the area of leaks because refrigerant gas when burned decomposes into other potential
98. to the through hull fitting Use Teflon tape or other sealant on the threads The seacock must be accessible and easy to close in case of emergency or to clean the strainer Strainer A seawater strainer must be installed between the seacock and the pump and should be situated to provide easy access for cleaning The strainer must be located vertically above the seacock and below the pump so any air that gets into the strainer can get out Make sure the water flow through the strainer is in the correct direction Some strainers have an arrow that shows correct flow direction Mount the strainer to a bulkhead so it is properly supported before connecting hoses Use Teflon tape or other sealant on pipe threads Seawater Pump Centrifugal pumps are not self priming and must be mounted so that they are below the heeled waterline in any given operating condition The pump should be accessible for future service Mount the pump so the outlet is directed upward so air can escape The head on some pumps can be rotated to allow mounting on a vertical bulkhead See Figure 9 Self priming pumps are available if the pump cannot be mounted below the waterline Required seawater flowrate is 4 gpm per ton 12 000 Btu hr of total system capacity f English Manifolds If a pump is serving multiple units then a seawater manifold will be needed to supply water to all units This can be as simple as a TEE for 2 units or a custom
99. tomer Service Department are 8 00 am 5 00 pm USA Eastern Time Zone Monday through Friday excluding holidays 2 ltis possible that there might exist a considerable time lag between the date a component is manufactured and the date it is put in service In such instances the date of manufacture could indicate that the item is out of warranty However based on the date the equipment is first put in service the item may still be covered by the Dometic warranty described in Section 1 For proof of date put in service Dometic will require a copy of the bill of sale of the Dometic equipment from the installer or new boat dealer to the original owner Section IV How do you get service Please Read the follow ing Warranty Procedure WARRANTY PROCEDURE If the failure of a Dometic component is determined to be covered under the Dometic warranty and the time in service is determined to be within the warranty time limit the owner has the following three options 1 Preferred option Have a Dometic authorized Servicing Dealer perform the work needed The customer should call Dometic s Service Department for a recommendation as to the closest dealer If the customer already knows an authorized servicing dealer the dealer should be con tacted directly 2 If the customer contacts Dometic s Service Department for a Servicing Dealer and Dometic has no one in that particular area Dometic will authorize the use of a local service company
100. ug the other Be careful when bending the extension tubes on the evapora tors Do not allow the tubing to kink and do not twist or bend the tubing at the connection point close to the coil or the joints may crack If bending by hand make large radius bends Use a tube bender if a tight bend is required Installing the Refrigerant Tubing Use refrigerant grade soft copper tubing of the correct sizes to connect the cooling heating unit to the condensing unit Note that tee joints will be needed if more than one cooling heating unit is used with a single condensing unit The tees must be properly oriented to provide best efficiency See Figure 7 Refrigerant Line Size Chart Only use refrigerant grade seamless soft copper tubing Never use any type of plastic or rubber hose or tubing The refrigerant tubes can run uphill downhill or sloping as required and can have as many bends as necessary Avoid sharp bends that could result in kinks in the tubing The cooling heating unit has additional tubing to help with installa English tion Take care when bending this tubing as it can easily kink or crack a weld joint resulting in refrigerant loss Both refrigerant lines should be insulated individually When putting the recommended closed cell foam insulation over the tubes cover the ends of the copper tubes to prevent foreign material and moisture from getting inside the copper tubing After checking for leaks insulate the conn
101. uipment 90 day warranty Parts only New SM and FR series installation 2 year warranty including Parts and Labor New G series installation 1 year warranty including Parts and Labor The box denotes the part of the warranty that pertains to this particular product Revised 8 19 04 L 0694 L 2086 19 English Owner s Limited Warranty installation use or malfunction of any warranted product As hereinafter described Dometic Corporation limits the duration of any implied warranty to the duration of the underlying express warranty and also disclaims any liability for consequential or incidental damages arising from any application Section What does the Limited Warranty cover Products manufactured by Dometic Corporation Dometic are under limited warranty to be free from defects in workmanship or materials under normal use and service with the obligation of Dometic under this limited warranty being limited to replacing or repairing any component s which shall disclose defects within the time limits defined in Section and which upon examination by Dometic shall appear to the satisfaction of Dometic to be defective or not up to specifications This Limited Warranty is made in lieu of all other express warranties obligations or liabilities on the part of Dometic In addition Dometic shall not be responsible for any incidental or consequential damages In those instances in which a cash refund is
102. ystem Replace and tighten the valve stem caps At this point the system is basically charged and ready for final gas charge adjustment once the boat is in the water Field Charging the System To field charge a new unit which has been evacuated and basically charged proceed as follows 1 Remove both base valve stem caps and confirm that both valve stems are in the back seated or full counterclock wise position 2 Remove the white gauge port caps from both base valves No gas should escape If it does retighten the cap and call Dometic Corporation for assistance 3 Close all gauge manifold valves 4 Attach the gauge manifold hoses to the gauge ports high pressure on the right and low pressure on the left Connect the hose to the refrigerant container 5 Open both base valves to the test position by rotating the stems one turn clockwise 6 Start the unit in the cooling mode and observe the System pressures Use the charging curves shown in Figure 29 to determine the proper pressures These charts are to be used as a GUIDE to setting pressures They are NOT designed to give EXACT pressure settings There are conditions that may cause pressures to vary Head pressures may vary 10 Accurate Suction Pressure settings are more critical for proper functioning of the system Through the gauge manifold adjust the gas charge to obtain the proper system pressures 7 remove the gauge manifold backseat the base valves

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