DM14-01.01.18en
MIV V5 Heat Recovery DC Inverter R410A
MS Unit Installation
136
Unit: in.(mm)
6. Central install the drain pipes please follow below diagram to match pipes.
Unit: in.(mm)
7. The end of the drain pipe should leave the ground or the bottom of the drain tank more than 50mm, and
should not put into the water. While directly pour the condensate water into foul sewer, must make the
sparge pipe bend up to a U-shape water seal, in order to avoid the fetor come into the indoor through the
drain pipe.
Note: For avoiding water leakage, every joint of the drainage system must be sealed up.
4.2 Drain test
1. It should keep the drainage piping smooth, and check every joint whether sealed up or not before doing
drain test.
2. For newly built room, do the drain test before paving the ceiling.
Use a water main to fill the water tank with 500~1000ml water.
Check whether drained water normally and whether has leakage on the connectors.
Refrigerant piping installation
5. Refrigerant piping installation
5.1 Connection piping instruction
5.2 Connecting diagram of MS and indoor unit
Connecting diagram 1
“MS02/N1-C”, “MS04/N1-C”, “MS06/N1-C” which can be connected multiple indoor units.
Downside gradient
over 1/100
As long as possible
（
about 4(100))
VP30
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Low pressure gas pipe
High pressure gas pipe
Liquid pipe
Pipe connec to intdoor unit
Liquid pipe
Gas pipe
