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INSTALLATION MANUAL

RMXS112D7V3B
RMXS140D7V3B
RMXS160D7V3B

System air conditioner

Super Multi Plus

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Summary of Contents for RMXS112D7V3B

Page 1: ...INSTALLATION MANUAL RMXS112D7V3B RMXS140D7V3B RMXS160D7V3B System air conditioner Super Multi Plus ...

Page 2: ...0 L2 1 2 H 1 2 H L2 H 0 L1 1 2 H 1 2 H L1 H 0 L2 1 2 H 1 2 H L2 H L2 H L2 H L2 H L2 H L2 H L2 H 150 500 500 500 500 750 100 100 100 100 200 300 200 100 250 250 500 1000 1000 1000 500 500 500 500 1000 1000 1000 1000 500 500 1000 500 1000 1000 300 300 300 250 300 300 500 200 1000 1000 1000 1000 1000 1250 1500 1500 1000 1000 100 5 4 4 3 2 1 7 8 9 10 A D C B 5 6 11 7 2 1 6 1 2 3 4 5 6 7 9 8 12 13 10 1...

Page 3: ...8 2 1 1 1 2 3 4 4 1 50 Hz 1 50 Hz 8 NOTES ...

Page 4: ...11 11 9 16 V 230 V 230 V 1 2 3 2 3 4 1 4 5 A B C A B C F1 F1 F2 F2 F1 F2 F1 F2 4 5 7 1 2 2 C H SELECTOR TO BP UNIT TO OUT D UNIT A1P 3 13 A B C A B C 1 DS1 1 2 3 4 OFF ON O U T I N 14 1 2 3 4 5 4 6 12 F1 F2 1 E 3 2 4 5 A 1 3 2 5 B E 1 2 4 3 5 C E E 1 2 3 4 D E 9 10 11 15 12 13 14 ...

Page 5: ...rd e sau alt e document e normativ e cu condiţia ca acestea să fie utilizate în conformitate cu instrucţiunile noastre 19 skladni z naslednjimi standardi in drugimi normativi pod pogojem da se uporabljajo v skladu z našimi navodili 20 on vastavuses järgmis t e standardi te ga või teiste normatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele 21 съответстват на следните стандарт...

Page 6: ...NSIDERATIONS The precautions listed here are divided into the following two types Both cover very important topics so be sure to follow them carefully RMXS112D7V3B RMXS140D7V3B RMXS160D7V3B System air conditioner Installation manual Super Multi Plus READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQ...

Page 7: ...all drain piping according to this installation manual to ensure good drainage and insulate the pipe to prevent condensation Improper drain piping may cause water leakage and make the furnitures get wet Install the indoor units BP units and outdoor units power wire and connecting wire at least 1 meter away from televisions or radios to prevent image interference or noise Depending on the radio wav...

Page 8: ...th the discharge pipe thermister R3T suction pipe thermister R2T and pressure sensors S1NPH S1NPL removed Such operation may burn out the compressor Be sure to confirm the model name and the serial no of the outer front plates when attaching detaching the plates to avoid mistakes When closing the service panels take care that the tightening torque does not exceed 4 1 N m 3 3 Handling As shown in t...

Page 9: ...talling the unit in a place frequently exposed to snow pay special attention to the following Elevate the foundation as high as possible Remove the rear suction grille to prevent snow from accumulating on the rear fins 7 If you install the unit on a building frame please install a waterproof plate within 150 mm of the underside of the unit or use a drain plug kit option in order to avoid the drain...

Page 10: ...downward The unit of numeric values is mm When routing the piping backward secure space of 250 mm on the right side of the unit A In case of non stacked installation See figure 4 B In case of stacked installation 1 In case obstacles exist in front of the outlet side 2 In case obstacles exist in front of the air inlet C In case of multiple row installation for roof top use etc 1 In case of installi...

Page 11: ...er to 9 3 How to use the shut off valve on page 8 Only use the flare nuts included with the unit Using different flare nuts may cause the refrigerant to leak Always use the supplied copper gasket when connecting the gas pipe supplied with the unit See 9 Refrigerant piping on page 7 8 1 Cautions for brazing Be sure to carry out a nitrogen blow when brazing Brazing without carrying out nitrogen repl...

Page 12: ... the figure Since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts always lock the shut off valve with a wrench and then use a torque wrench Do not place wrenches on the valve cover Do not apply force on the valve cover this may result in a refrigerant leak Pipe size Tightening Torque N m A mm Flare shape Ø9 5 32 7 39 9 12 8 13 2 Ø15 9 61 8 75...

Page 13: ...t and outdoor branch piping come into contact with the compressor terminal cover If the liquid side piping insulation might come into contact with it adjust the height as shown in the figure below Also make sure the field piping does not touch the bolts or outer panels of the compressor When the outdoor unit is installed above the BP unit and indoor unit the following can occur The condensated wat...

Page 14: ...kit 5 m Example a 5 m Allowable height Between outdoor and indoor units Difference in height Difference in height between outdoor and indoor units H1 30 m Between outdoor and BP units Difference in height Difference in height between outdoor and BP units H2 30 m Between BP and BP units Difference in height Difference in height between BP and BP units H3 15 m Between indoor and indoor units Differe...

Page 15: ... 1 hour confirm that the vacuum gauge does not rise 9 9 Additional refrigerant charge See figure 6 Pipe size selection How to calculate the additional refrigerant to be charged Additional refrigerant to be charged R kg R should be rounded off in units of 0 1 kg Piping size outer diameter x minimum thickness Symbol Gas pipe Liquid pipe Between outdoor and first refrigerant branch kit a Ø19 1x1 0 Ø9...

Page 16: ...stops within 30 minutes If the refrigerant charge cannot be finished within 30 minutes repeat step 2 If the operation stops immediately after restart there is a possibility that the system is overcharged The refrigerant cannot be charged more than this amount 4 After the refrigerant charge hose is removed make sure to fully open the liquid stop valve Otherwise the piping may burst due to blocked l...

Page 17: ...d lightning rods dangerous when struck by lightning due to abnormal rise in electrical potential in the grounding This unit uses an inverter and therefore generates noise which will have to be reduced to avoid interfering with other devices The outer casing of the product may take on an electrical charge due to leaked electrical current which will have to be discharged with the grounding 10 3 Conn...

Page 18: ...frequency Voltage Recommended fuses Transmission line section RMXS112 1 N 50 Hz 230 V 32 A 0 75 1 25 mm2 RMXS140 RMXS160 NOTE Select the power supply cable in accordance with relevant local and national regulations Wire size must comply with the applicable local and national code Specifications for local wiring power cord and branch wiring are in compliance with IEC60245 WIRE TYPE H05VV Only in pr...

Page 19: ...0 m Total wiring length 300 m Maximum No of branches 9 Never connect the power supply to unit to unit cabling terminal block Otherwise the entire system may break down 1 Liquid pipe 2 Gas pipe 3 Interconnecting wiring 4 Insulator 5 Finishing tape WARNING ELECTRIC SHOCK Caution when performing service to inverter equipment Do not touch live parts for 10 minutes after the power supply is turned off ...

Page 20: ... A1P The figure shows state of the led indications when the unit is shipped from the factory Setting the mode The set mode can be changed with the button according to the following procedure For setting mode 1 Press the button once the led is off For setting mode 2 Press the button for 5 seconds the H1P led is on If the H1P led is blinking and the button is pushed once it will change to setting mo...

Page 21: ... items are automatically checked Check for miswiring Check if stop valves are open Check of refrigerant charge Automatic judgement of piping length 4 After the test operation maximum 30 minutes the unit automatically stops Check the operation results by the outdoor unit led indication 5 Measure to be taken when operation finishes abnormally 1 Confirm the error code on the remote controller 2 Corre...

Page 22: ...ration manual delivered with the refrigerant reclaimer Installation error Malfunction code Remedial action The stop valve of an outdoor unit is left closed E3 Open the stop valve on both the gas and liquid side Refrigerant overcharge Recalculate the required amount of refrigerant from the piping length and correct the refrigerant charge level by recovering any excessive refrigerant with a refriger...

Page 23: ...allest room volume m3 In a case such as the following calculate the volume of A B as a single room or as the smallest room 3 Calculating the refrigerant density using the results of the calculations in steps 1 and 2 above If the result of the above calculation exceeds the maximum concentration level then make similar calculations for the second then third smallest room and so until the result fall...

Page 24: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PWEN19516 1B ...

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