90
Note:
Please connect the power cord with the appropriate circular terminal.
PQ is non-polar, ABC has polarity, must be correct when connecting.
The route is as follows:
Power line installation instructions
1. Air conditioning unit is
class appliance, please be sure to take reliable grounding measures.
2. Earth resistance should meet the national standard GB 50169 requirement.
3. The yellow and green double color line of air conditioning unit is ground wire, do not move for other use, do not
cut it. Cannot be fixed with self-tapping screw. Otherwise, the risk of electric shock will be electric.
4. The user's power supply must provide reliable grounding. Please don't connect the ground wire to the following
paces. (1) water pipe (2) gas pipe; (3) drainage pipe; (4) The other places where professionals think are
unreliable.
5. The power cord and the communication line should not be interwoven together, the distance should be greater
than 20cm apart, or it may cause the crew communication to be abnormal.
Please follow the following guidelines:
3. If the power cord length is greater than 20m, please increase the cable cross-sectional area, so as to avoid
overload caused by the accident.
4. When the voltage drop at the power supply line exceeds 2%, increase the wire diameter appropriately.
5. The air switch and power line is calculated according to the maximum power of the unit, and the combination
in accordance with the provisions of the combination of different combinations of modules need to follow
the specific parameters of the combination module. The new calculation and calculation method refer to the
electrician manual.
Indoor and
outdoor unit
communication
Outdoor and
outdoor unit
communication
The power line Signal line
Use the rubber plug of attachment for walking protection.
Use attachment's
sheath for walking
protection.
Summary of Contents for MRV 5-RC AB052MAERA
Page 1: ...MRV 5 RC Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Page 3: ......
Page 55: ...52 AV08 10 12 14IMVURA 4 Center of gravity x X 347 9587 y 471 5454 z 725 6683 y z ...
Page 56: ...53 AV16 18 20 22IMVURA x X 650 5962 y 380 7255 z 706 5342 y z ...
Page 106: ...103 2 Dimension 4 19 200 60 25 25 25 249 108 232 84 69 388 73 82 65 103 177 4 44 4 35 277 ...
Page 116: ...113 2 Preparation before installation ...
Page 162: ...159 One by one valve box PCB code 0151800186A 2 Valve box PCB photo and dip switch setting ...
Page 165: ...162 One by four valve box PCB code 0151800466 ...