Mitsumi electronic CMY-R200VBK User's Manual
Contents
1. 100mm 4 in or Hae Downward slope Jess To BC controller To BC controller Upward slope _S High pressure twinning pipe Total pipe length A B lt 5m 16 7 16 ft High pressure twinning pipe n To indoor unit If high pressure twinning pipe is installed above the base of the f f THU rae H ecl outdoor unit it should be no more than 200mm 7 7 8 in 3 Pipe Connection Example Connect the pipes between outdoor units using the figure below as a reference Low pressure twinning kit Low pressure connecting pipe field supplied High pressure connecting pipe field supplied High pressure twinning pipe Main low pressure pipe field supplied Main high pressure pipe field supplied 4 Insulation Cover Installation Install the insulation cover on the twinning kit after brazing the pipes and twinning kit Insulate all refrigerant pipes Insulate the high pressure and low pressure pipes separately and pipes located inside the unit as well as the outside Use heat resistant insulation material Heat resistant at least 120 C 248 F Thickness high pressure 10 mm 13 82 in low pressure 20 mm 13 16 in Position the edges of the insulation cover and heat resistant insulation material so as not to leave a gap and then wrap the exterior perimeter of the pi2. MITSUBISHI A7 ELECTRIC Mitsubishi Electric Air Conditioner CITY MULTI Twinning Kit Installation Manual e For your safety thoroughly read the following instructions prior to installation CMY R100VBK CMY R200VBK WT05221 X02 Safety Precautions e Thoroughly read the following Safety Precautions to ensure proper installation e Observe the following important safety precautions at all times Hazards that can occur from incorrect handling are classified by the symbols below WARNING Incorrect handling can result in death or serious injury N CAUTION Incorrect handling can result in bodily injury and or structure damage WARNING Only a dealer or qualified technician should perform installation Properly install all parts according to the instructions in the Installation Manual Improper installation may result in refrigerant gas leakage and equipment damage Do not make any modifications or alterations Consult your dealer for repair Improper installation may result in water leakage electric shock or fire J In the event of a refrigerant leak thoroughly ventilate the room lf the wrong twinning pipe or wrong size connecting pipe is used air conditioning performance will suffer When installing or relocating the unit check that no substance other than the specified refrigerant R410A enters the refrigerant circ
3. 1 181 3 4 1 1 8 A In case of CMY R200VBK See reverse 2 Low pressure twinning kit in CMY R100VBK Use either or in table 1 1 Package Contents depending on the size of the pipe at the control valve on the unit to be combined with Attach items 48 49 and to the stop valve sheet metal and then to the low pressure twinning kit to hold it into place 1 Attach item to the stop valve sheet metal 2 Attach the packing and saddle 3 Secure the low pressure twinning kit 3 Routing the pipe through the bottom 1 Braze item high pressure pipe to the stop valve so that the dimples on the pipe are parallel to the edge of the cutout hole Expand the end of the field supplied pipes and braze them to item high pressure pipe 2 Attach item low pressure twinning kit to the sheet metal of the control valve with item screw and braze it to the control valve 3 Braze item or elbow pipe to the field supplied pipe first and then braze it to item low pressure twinning kit 4 Flare the field supplied pipe end and braze the pipe to the or Section to be brazed field supplied Connect the pipe so that the dimples on the high pressure pipe are on an imaginary line vin rae as an Na parallel to the edge of the cutout hole low pressure pipe in the middle 5 Wrap the pipe in front of
4. place a wet towel on the control valve to keep its temperature below 120 C 248 F Direct the flame away from the cables and sheet metals inside the unit so as not to burn them Field supplied pipes 5 Slope of twinning pipes high pressure side only Note Refer to the figure below for the installation position of the twinning pipe Make sure the slope of the twinning pipes are at an angle within 15 to the horizontal plane If the slope exceeds the specified angle the unit may be damaged Twinning pipe on the high pressure side to ae A p H Slope of the twinning pipe is at an angle within 15 to the horizontal plane 6 The length of the straight pipe between indoor units and the twinning pipe high pressure pipe Use the pipes supplied in the twinning kit and make sure the section of the field supplied pipe that connects to the twinning pipe has at least 500 mm 19 11 16 in of straight section The section of the field supplied pipe that connects to the twinning pipe must have at least 500 mm 19 11 16 in of straight section If the straight section is less than 500 mm 19 11 16 in it may result in equipment damage 7 Pipe connection high pressure side Make sure pipes from the twinning pipe to the outdoor unit are sloped downwards Outdoor unit 1 Outdoor unit 2 in mn
5. f the pipes field supplied do not fit the parts in the kit use the accessory piping parts listed below 1 Package contents Model winning kt mtg age OFO sen aant eesti eae eae rae PHO cover Dis al Dio a CMY R100VBK 1 1 2 1 1 3 3 1 2 1 CMY R200VBK 1 1 1 1 1 1 1 1 vo Pea agia beast Osian mai BEP Sade Packing ring pite isn sinc Babe ie CMY R100VBK 1 1 1 1 1 1 1 1 2 CMY R200VBK 2 1 1 7 1 1 2 2 List of field supplied parts Refrigerant pipes other than the ones provided in the kit Heat resistant insulation material for field supplied refrigerant pipes Insulation cover tape 2 Selecting the Correct Size Refrigerant Pipes and Using the Twinning Kit 1 Pipe size Field supply the pipes to be connected to the kit Choose the correct size pipe using the table below Connect the field supplied pipe to the twinning kit for the sizes in the table that are marked with an asterisk If the pipe was cut with a pipe cutter remove the burrs and eliminate foreign materials before connecting 3K On the low pressure side the twinning kit connects to the pipes field supplied inside the outdoor unit The distributor on the low pressure side must be placed in the outdoor unit that has a larger capacity index of the two regardless of the relative positions of the outdoor units or their addresses If the distributor is placed in the outdoor unit
6. item low pressure twinning kit with item pipe cover and attach compressor cables to item pipe cover with item cable tie to keep them out of direct contact with the pipes CAUTION Before heating the pipes place a wet towel on the control valve to keep its temperature below 120 C 248 F Field supplied F pipes Field supplied pipes Direct the flame away from the cables and sheet metals inside the unit so as not to burn them Wrap the pipe cover here Attach compressor cables to Pipe cover with Cable tie to keep them out of direct contact with the pipes 4 Routing the pipe through the front 1 Braze item high pressure pipe to the control valve 2 Attach item low pressure twinning kit to the sheet metal of the control valve with item screw and braze it to the control valve 3 Braze item or elbow pipe to the field supplied pipe first and then braze it to item low pressure twinning kit 4 Braze either item or elbow pipe to the low pressure pipe in the middle 5 Wrap the pipe in front of item low pressure twinning kit with item pipe cover and attach compressor cables to item pipe cover with item cable tie to keep them out of direct contact with the pipes Wrap the pipe cover here Attach compressor cables to Pipe cover with Cable tie to keep them out of direct contact with the pipes CAUTION Before heating the pipes
7. pe joints and middle with tape field supplied Heat resistant insulation material field supplied M field li field supplied pipe ape field supplied field supplied pipe bHigh pressure Heat resistant insulation material field supplied Insulation cover Heat resistant insulation material field supplied Insulation covers can shrink Overlap the tape as shown in the left figure so that there will be no gap in between the insulation cover or field installed insulation material Tape field supplied 5 Miscellaneous Notes Secure the field supplied pipes with a pipe cover and a cable tie in place to keep them from coming in contact with other pipes as necessary WT05221 X02 See reverse
8. that has a smaller capacity Outdoor unit 1 Outdoor unit 2 Twinning Kit low pressure refrigerant will not be properly distributed and compressor failure may result z F If outdoor units that have the same capacity are used in combination the Der Hees distributor can be placed in either outdoor unit Bs To BC controller Package unit name l AO Unit model High pressure Low pressure Fi Outdoor unit 1 Bo CorD E or F Component uritname Outdoor unit 2 co A1 A2 A3 Outdoor Twinning Kit DO B1 B2 B3 BC controller Twinning pipe High pressure A EO Twinning pipe Outdoor unit C1 C2 C3 Low pressure B FO D1 D2 D3 Unit mm in E1 E2 E3 Unit mm in PURY 0 Y S HM 022 2 7 8 CMY R100VBK pine PURY 0 YHM P200 P300 P350 15 88 19 05 19 05 5 8 3 4 3 4 928 58 034 93 CMY R200VBK 019 05 22 2 28 58 y 1 Gee 3 3 4 7 8 1 1 8 22 2 7 8 CMY R100VBK 228 58 1 1 8 PURY J0 Y S HMU P144 URY 10 Y S HMU 22 2 P168 7 8 P192 CMY R100VBK PURY 0 YHMU P216 28 58 19 05 22 2 28 58 P240 1 1 8 3 4 17 8 1 1 8 PURY J0 T S HMU P144 55 P72 P96 P120 3 P168 15 88 19 05 7 8 5 8 3 4 g P192 CMY R100VBK PURY 0 THMU 3 4 P216 28 58 19 05 28 58
9. uit Any presence of foreign substance or air can cause abnormal pressure rise or explosion After installation check for a refrigerant leak e f refrigerant leaks and comes in contact with an open flame toxic gases will be generated f leaked refrigerant comes in contact with a heat source such as a fan heater stove or electric grill toxic gases will be generated N CAUTION Properly dispose of packing materials e Plastic bags can pose suffocation and choking hazards keep them out of the reach of children Tear the plastics bags before disposing of them Do not touch the refrigerant pipes and refrigerant circuit components with bare hands during and immediately after operation e During or immediately after operation certain parts of the unit such as pipes and compressor may be either very cold or hot depending on the state of the refrigerant in the unit at the time To reduce the risk of frostbites and burns do not touch these parts with bare hands mm eee ZN See the Installation Manual that came with the outdoor unit for installation instructions 1 Confirming the Package Contents The following items are included with the Twinning Kit CMY R100VBK CMY R200VBk Verify that all items are present before starting installation Always use the twinning pipes included in the kit when preparing the twinning kit I
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