INSTALLATION & OPERATING INSTRUCTIONS
Contents
1. Specifications F mum CORHE AG Capacity KW _ bal P Capacity KW P Heating Rating 220 HVAC DPR Ful Load Amps Compressor Moto mun Locked Ratar Arps Comp Mair RW Compressor Motor bad Power Up E meier ne 15mm Copper Regulatory Codes Cra Precor 10 Ame Tine Dalay Fuse o Cueut rear Tees Sus TUn 35 KW 2Unt 80 RN The manufacturer gives GENERAL guidelines for genera torrequirements These guidelines come from experiences people have had in actual applications When sizing the generator the total power usage of your Caravan must be considered Keep in mind generators lose power at high altitudes and from lack of maintenance INSTALLATION INSTRUCTIONS Precautions Improper installation may damage equipment could endanger life cause serious injury and lor property damage 1 Read installation and Operating Instructions care fully before attempting to start this unit installa tion 2 The manufacturer will not be lable for any dam ages or injury incurred due to failure in following these instructions 3 The equipment shall be installed in accordance wiring regulation per IEC 335 240 CI 7 12 1 Installation must comply with all applicable codes andior regulations 4 DO NOT add any devices or accessories t2. 31mm Opening The roof must be designed to support B5 Kg when the Vehicle is in motion Normally 100 Kg static load design will meet this requirement Itis the LESER of the Installer of this system to ensure structural integrity of the Vehicle roof Never create a low spot on the roof where water will collect Water standing around the unit may leak into the interior causing damage to the product and the Vehi C Roof Preparation Opening requirements Before preparing the ing opening read all of the following instructions before beginning the installation If an existing roof vent opening will not be used 362 mm x 362 mm mm opening must be cut through the roof and ceiling of the Vehicle This opening must be located between the roof reinforcing members There may be electrical wiring between the roof and the cei 9 Disconnect 220 240 power cord and the positive 12 VDC this instruction may create a shock hazard causing death or severe personal injury cle Check inside the Vehicle for air distribution box obstructions Le door openings room dividers curtains ceiling fixtures etc See FIG 3 FIG 3 N Front ae nent aaa MEE a8 mm Opening Dimensions Are Nominal The 362 mm x 362 mm 4 mm opening is part of the retum air system of the unit and must be finished in
3. system to ensure structural integrity of the Vehicle roof Never create low spot on the roof where water will collect Water standing around the unit may leak into the interior causing damage to the product and the Vehi cle 1 Remove the unit from the carton and discard car ton 2 Place the unit on the roof 5 Lift and place the unit over the prepared opening using the gasket on the unit as a guide See FIG __ Lift And Place D Wiring Requirements 220 240 VAC Supply Wire Route a copper with ground 220 240 VAC sup ply wire from the time delay fuse or circuit breaker box to the roof opening The proper size wire can be determined from chart on page 3 Note If vent fan was removed the existing wire may be used provided itis of proper size location and correctly fused a This supply wire must be located in the front portion of the 362 mm x 362 mm 2 mm opening b ThepowerMUSTbeonan appropriately sized Separate ime delay fuse or circuit breaker The proper protection canbe determined from chart on page 3 c Make sure that atleast 380 mm of supply wire extends into the roof opening This ensures an easy connection atthe junction box d Wiring methods must comply with all national and local wiring codes and or regulations e Protect the wire where it passes into the open ing with approved method See paragraph d above Note These power supply connections may b
4. RECORD THIS UNTT RFORATTO Dometic Ee Number Roof Top Unit Modei Type Use Wir Datibwon Bo dete mam E Punp BHS ECH Supplied by Dometic Australia contact Note Air Distribution Box installation requires a 2 Philips screwdriver windometiccamau with 7 mm maximum diameter x 35 mm minimum length This manual must be read and understood before installation adjustment service or mainte nance is performed This unit must be installed by qual technician Modification of this product can be extremely hazard ous and could result in personal injury or property damage Type INSTALLATION amp OPERATING 3241CXB1R CALR241 INSTRUCTIONS 3242CX51R CALR242 REVISION Form No 54 AA MA3200CY1 Important Those Instructions must NOBICOOL Electronic ubai Co Ld stay with unit Owner read carefully 18 Jinhu Lu Sanzao Jinwan Zhuhal China SAFETY INSTRUCTIONS This manual has safety information and instruc tions to help users eliminate or reduce the risk of accidents and injuries RECOGNIZE SAFETY INFORMATION This is the safety alert symbol When you see this symbol in this manual be alert to the potential for personal injury Follow recommended precautions and safe op erating instructions UNDERSTAND SIGNAL WORDS Asignal word WARNING OR CAUTION is used with
5. heating mode Cooling Status Blue when in cooling mode Auto button If the remote control is damaged or lost pressing the Auto button will run the air conditioner at the automatic mode see next page table A Ifthe room temperature is below 20 degrees the unit will run in heat mode HP model and ventilation mode A C model if the room temperature is above 25 degrees the unit will run in cooling mode The fan speed will be set to automatic OPERATING INSTRUCTIONS A Remote control Selecting functional status FIG 15 Auto speed Low fan speed Middle fan speed High fan speed High fan spe y Turbo tan speed 7 mode n Set point pump Clock Automatic mode Ventilation 777 mode gt Dehumidification Logo Dometic moda Turbo setting L n wy Fan seting Clock setting _ MW Sehange mode setting Poem Time seting Sleep setting ONOFF B Operation Press to switch on the machine The previous operating mode that was selected by the remote control is automatically used b Press MODE to select mode Automatic mode this mode the A C wil run automatically and the running mode will be selected automatically by comparing the set temperature with the intemal temperature according to table For the automatic speed it wil be set according to the diference temperature between the set and the ambient te
6. the ceiling See FIG 12 FIG 12 Position ADB Walls Inside And Against End Of Tem plate Walls Raise Back End Of ADB Ceiling wns hog ne box apane te ceang side bom a ers no pace tiers wil nld the box wala he screws aro ted FIG 13 Install 2 Primary Auxiliary Screw Locations Mount Screw First Holding the ADB box up against the celing slide both air fiters into place this will temporally hold the box in place Hold the air distribution box the ceiling with one hand and install two coarse threaded 3 5 mm X 19 mm sharp pointed screws in the location shown in FIG 13 Do not use electric driver as you may strip the holes in the plastic Auxiliary screws may be installed atthe locations shown These NOT required secure the ADB to the template but may be desired for aesthetic purposes in some ceiling geometries Again do not use an electric driver as you may over tighten the screws Check that the air fiters are free to be removed and replaced Your unitis now installed and ready for operation Read the following operating instructions before attempting to run the unt FUNCTION DISPLAY Digital display Displays set temperature Flash when receiving a command Power Status Green when poweris on Stand by mode Auto Button FIG 14 Timer Status Yellow when timer is set Heating Status Orange when in
7. the safety alert symbol They give the level of risk for potential injury incicates a potentially nazara ous situation which if not avoided could result in death or serious injury FN TEN indicates a potentially nazara ous situation which if not avoided may result in minor or moderate injury eS Tel used without the safety alert symbol indicates a potentially hazardous situa tion which if not avoided may result in property damage Read and follow all safety information and in structions GENERAL INFORMATION Product features or specifications as described or lustrated are subject to change without notice This Air Conditioner Heat Pump hereinafter referred Jo as the unit Is Designed For Installation on a Caravan or Motor Home during or after the time the vehicle is manufactured 2 Mounting on the roof of a Caravan or Motor Home Roof construction withraftersists suppor frames minimum of 406 mm centers 4 Minimum of 25 mm and maximum of 140 mm distance between roof to ceiling of Caravan C Basic Requirements Installation opening Cut through the roof and ing 2 220240 VAC 50 Hz 10 Amp 3 Powerwhentheunitstarismustbeabove 198 VAC and the frequency must be 50 Hz at all times D The ability of the air conditioner to maintain the de sired inside temperature depends on the heat gain of the Vehicle Some preventative measures taken by the occupants of the Vehicl
8. OR SENSOR OVERLOAD PROTECTOR 52 269 SV05 3241CX51R CALR 241 Electrical heating version TEATR GENT BK UME S TCH f HEATER c No MAIN BOARD COMP FAN L gt t FAN M 4 TNT up DISPLAY BOARD EVAPORATOR ROOM SENSOR SENSOR OVERLOAD PROTECTOR 52 269 LSV05 ROOF MOUNT ASSEMBLY rootopening J Coiling Template With Metal Brackets Air Distribution Box ADB Air Filter 4 Periodically minimum af every 2weeks of opera tion slide out the retum air fiters located on the end ofthe air distribution box Wash the filters with soap and warm water let dry and then reinstall Noto To insure easy future removal the fiters need to be replaced with the domed side of their handle positioned towards the ceiling Note Never run the unit without both retum air fiters in place Thiswillplugtheuritevaporatorcoil with dirtandmay substantially degrade the performance ofthe unitover ime Air Distribution Box Housing 1 Cleanairdistnbution box housing and control panel with a soft cloth dampened with a mild detergent Never use furniture polish or scouring powders C Fan Motor 1 Theblowermotorisfactorylubricated and requires no service SERVICE UNIT DOES NOT OPERATE If your unit fails to operate or operates impr
9. Remote range may vary depending on the installation environment FAULT CODE amp FUNCTION DESCRIPTIONS Fault condition Digital display code Note Room temperature sensor fault E1 Call for service Evaporator sensor fault Call for service communication fault for service Condenser sensor faut E Call for service Defrosting instructions Indicates defrosting in progress 1 Preventing cold air function 2 Blowing surplus heat function When heat mode is selected the internal fan will In heating mode the fan will continue to run for appro not start until the air within the air conditioner is ximately 60 seconds after the OFF button is pressed heated This is to prevent cold air blowing into the living space during start up 3 Defrosting functio 4 Overheat protection At low ambient temperatures approximately 5 C In heating mode detection of the evaparator the heating mode will periodically enter a defrosting temperature IPT mode when IPT gt 60 C compressor is not working when IPT lt 48 C compressor wil be contiunted working when 48 C lt IPT lt 55 C The compressor wil keep m the original state IPT evaparator sensor temperature OPT condenser sensor temperature WIRING DIAGRAMS 3242CX51R CALR 242 Reverse cycle version DISPLAY BOARD CONDENSER EVAPORATOR ROOM SENSOR SONS
10. accordance with all applicable national and local codes and or regulations 2 Roof vent removal a Unscrew and remove the roof vent b Remove ll caulking compound around open ing c Sealallscrawholas and seams where the root gasket wil be located Use a good grade of all Weather sealant Sea FIG 4 FIG 4 d Ifthe opening exceeds 365 mm 365 mm it willbe necessary to re size the opening to 362 mmx 362 mm 3 mm e Ifthe opening is less than 359 mm x 359 mm must be enlarged to 362 mm x 362 mm 3 mm 3 New opening Installation other than vent open ing a Mark a 362 mm x 362 mm mm square on the roof and carefully cut the opening b Using the roof opening as guide cut the matching hole inthe ceiling Theopeningcreated mustbe framedto provide adequate support and prevent air being drawn from the roof cavity Framing stock 19 mm or mora in thickness must be used Re member o provide an entrance hole for power supplies at the front af the opening See FIG 5 mes DoNotCut GooddRafirs Optional Meta Roof Structure Supported By Frame Or Rafters Cross Beams Frame Opening So It Won t Collapse When Bolting Down Unit 381 mm Min At Deoa For Front Of opening Power Supply Wiring E Placing Unit On The Roof This unitweighs approximately 45 Kilograms Topreventback injury usea mechanical hoist to place unit on roof
11. ct adapter into duct Leave one loop of wire below the duct adapter groove Do not insert adapter tabs inside the duct d Snap duct adapter into template and install 2 screws through the duct adapter tabs into the ceiling template See FIG 11 FIG 17 FitDuctAdapter Inside Duct Duct Adapter Screw Holes Must Line Up H Necessary Rotate 12A Turn Install 2 Screws In Tabs G Wiring The System WARNING Disconnect 220 240 VAC Failure to follow these instructions could create a shock haz ard causing death or severe personal injury Important The electrical installation must be done by an authorized electrician In some areas electricians must be licensed a Install the strain relief in the junction box b Route the previously run 220 240 VAC power supply wire through the strain relief into the junction box Tighten connector making sure not to damage wire Remove the rear panel of the digital display 2 screws plug the communication cable into the display and replace the rear panel H Air Distribution Box Installation Important The inner walls of the ADB go inside the walls of the ceiling template during installation 1 Working from the rear looking forward with the rear tipped down 80 mm place the air distribution box inner walls against the inside of the template walls Pul the distribution box backwards until it touches the template Raise the air distribution box to
12. e can reduce the heat gain and improve the ability of the air conditioner to cool the Caravan During extremely high outdoor temperatures the heat gain of the Vehicle may be reduced by 1 Parking the Vehicle in a shaded area 2 Using window shades blinds and or curtains 3 Keeping windows and doors shut or minimizing usage 4 Avoiding the use of heat producing appliances OperationonHighFan Cooling mode willgive optimum or maximum efficiency in high humidity or high outside temperatures Starting the air conditioner early in tne morning and giving it a head start on the expected high outdoor ambient wil greatly improve its ability to maintain the desired indoor temperature For a more permanent solution to high heat gain ac essories an outdoor patio and window awning will reduce heat gain by removing the direct sun They also add a nice area to enjoy company during the cool of the evening E Condensation Noto The manufacturer of this unit wil not be responsible for damage caused by condensed moisture on ceilings or other surfaces Air contains moisture and this moisture ends to condense on cold surfaces When air enters the Vehicle condensed moisture may appear on the ceiling windows metal parts etc The air conditioner removes this moisture from the air during normal operation Keep ing doors and windows closed when this air conditioner is in operation wil minimize condensed moisture on cold surfaces
13. e replaced with type Y attachments if done by qualified personal Do not slide the unit This may damage the roof gasket attached to the bottom and may create a leaky installation 4 Place the airdistribution box kitinaide the Vahicte This box contains mounting hardware for the unit and will be used inside the Vehicle This completes the outside work Minor adjustments can be done from the inside of the Vehicle if required F Installing The Unit 1 Removeaircistribution boxand mounting hardware from carton 2 Check for correct alignment and adjust the unit as necessary Roof gasket centers over the 362 mm X382 mm mm opening 3 Base Pan Duct Adapter a Remove the liner fram the foam tapa and posi tion onthe base so screw hole and airopenings are aligned Place flange of duct on right hand side when facing front See FIG 7 Front Discharge Opening gt Retur Air Opening Remove Liner From Foam Tape Screw 5 EVENLY TIGHTEN MOUNTING BOLTS TOA TORQUE OF 4 5 TO 5 6 NM Newton Meters This will compress the roof gasket to approxi mately 13 mm The bolts are self locking so further tightening is not necessary See FIG 10 FIG 10 Mounting Bolts 2 in the front Ceiling frame Sy the position of air sensor b Install 10 screw to help hold the duct adapter to base pan if desired 4 Ceiling template installa
14. mperature TABLEA Operating Set point Cold mode Press MODE button to select cold mode then set the expected temperature between 18 C and 30 C Press the fan speed button to select low medium or high fan speed or automatic speed Dehumidification mode Press MODE button to select this function and set the expected tmeperature between 18 C and 30 C The fan speed will keep the low level Ventilation mode Press MODE button to select ventilation mode then the low medium or high speed or automatic speed Heat pump mode Reverse cycle where applicable Press MODE button to select heat pump mode then set the expacted temperature between 18 C and 30 C Press the fan speed button to select low medium or high fan speed or automatic speed Timer off function The machine must be on Press TIMER button to set the time when the machina need to be switched off Press the selection button to change the time when the machine need to be switched off Press the TIMER buttom to confirm the data entered Timer on mode The machine must be of Press TIMER button to set the time when the machine need to be switched on Press the selection button to change the time when the machine need to be switchad on Press the TIMER buttom to confirm the data entered Note The timer ON and OFF function can only operate when the hand held remote is in range and able to communicate with the air conditioner atthe set time
15. o this unit except those specifically authorized in writing by Dometic Mobicool 5 This equipment must be serviced by qualified personnelandsomelocaliies require these people to be licensed B Choosing Proper Location For The Unit This unitis specifically designed for installation on the root ofa Caravan When determining yourcooling requirements the following should be considered Size of Caravan or Motor Home Window area increases heat gain Amount of insulation in walls and roof Geographical location where the Caravan or Motor Home wil be used Personal comfort level required 4 Normal location The unitis designed to ftover an existing roof vent opening 2 Other locations When no roof ventis available or another location is desired the following is recom mended a For one unit installation The unit should be mounted slightly forward of center front to back and centered from side to side b For two unit installations Install one unit 13 and one unit 2 2s from front of Caravan Motor Home and centered from side to side Itis preferred that the unit be installed on a relatively and level roof section measured with the Vehicle parked on a level surface but up to a 8 tilt is acceptable 3 After location has been selected Check for obstructions in the area where unit Wil ba installed See FIG 2 FI 2 lt Keep These Areas Free OF Obstructions
16. operly check the following before calling your service center If Caravan connected to motor generator check to bo sure motor generator is running and producing power if Caravan connected to power supply by a line check to be sure ne i sized properly to run unit load and itis plugged into power supply Check your fuse or circuit breaker to see if itis open Insure fuso is not bumt or circuit breaker is ON and not activated D Afer the above checks call your local service center Tor further help This unit must be serviced by qualified service personnel oniy E If any wiring or supply cord is damaged and needs to be replaced it must be replaced by the manufacturer or is service agent or a similarly quali fid person When calling for service always give the following Uniype and serial number found on identification label located on base pan fuit bottom Remove fiter and view through network of holes 2 Air distribution box modal and serial number found onrating piatelocatedon ceiling template Observe this rating plate through the air distribution boxright side vent opening Dometic Australia Pty Ltd ABN 620 086 366 305 PO Box 1140 Clayton South Vic 3169 Tel 03 9239 1000 Fax 03 9239 1099
17. tion Note The large center hole in the c to the rear See FIG 10 ing template goes Reach up into the return air opening and pull the unit electrical wires dawn for later connection See FIG 8 FiG 8 Connect To Display Board pul the ducing gt Mounting Bolt inno back down then Twm puei 43 mm to 5242 25mm Below Coling Mounting Template If bolts are left loose there may not be ad equate roof seal or if over tightened damage may occurto the unit base or ceiling template Tighten to torque specifications listed in this manual Connect To 7 air Distribution Box Fasten Power Cable as per FIG 9 b Connect the AC power lead and the AC power supply cable together within connection housing FIG 9 Connect the air sensor to the right hand side of the mou nting frame in the special clips Pull the outer plastic cov ring of the wire back to enable the wire to clip in place The outer wiing cover wil then hold the wire in place Power cable and sensor wiring FIG 9 The Customer Power The Air Sensor Cable Fixed Way Fixed Way 6 Template Duct adapter Pull duct down through the template open ing b Cut the duct 13 mm to 25 mm below the tem plate opening See FIG 10 c Align the template duct adapter with the tem plate duct hole making sure the screw holes line up if nol rotate 1 2 tum Insert template du
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