CAUTION
25
8.4 Refrigerant pipework
For all guidelines, instructions and specifications regarding refrigerant pipework between the indoor unit and outdoor unit,
please refer to
"Installation and owner’s manual
(
M-thermal split outdoor unit)".
When connecting the refrigerant pipes, always use two wrenches/spanners for tightening or loosening nuts!
Failure to do so can result in damaged piping connections and leaks.
NOTE
The appliance contains fluorinated greenhouse gases.Chemical name of the gas: R32
Fluorinated greenhouse gases are contained in hermetically sealed equipment.
An electrical switchgear has a tested leakage rate of less than 0.1 % per year as set out in the technical specification
of the manufacturer.
8.5 Water piping
All piping lengths and distances have been taken into consideration.
Refer to Table. 3-1.
NOTE
If no glycol is in the system, in case of a power supply failure or pump operating failure, drain all the water system if the water
temperature is below 0
℃
in the cold winter(as suggested in the figure below).
Drainage valve
Drainage port
Water inlet
Water outlet
Drainage channel
filling valve
When water is at standstill inside the system, freezing is very likely to happen and damage the system in the process.
26
8.5.1 Check the water circuit
The unit is equipped with a water inlet and water outlet for connection to a water circuit. This circuit must be provided by a
licensed technician and must comply with local laws and regulations.
The unit is only to be used in a closed water system. Application in an open water circuit can lead to excessive corrosion of
the water piping.
Example
：
19
2.1
2
2.1
2.2
2.4
2.9
2.3
2.5
2.6
6
5
5.2
5.1
13
17
15
17
2.7
2.8
2.10
18
19
FHL1
FHL2
FHLn
23
Modbus
24
Indoor
Outdoor
1
1
2
Assembly unit
Assembly unit
Code
Code
13
FHL 1…n
15
17
18
19
3
Outdoor unit
Indoor unit
Filter (accessory)
Balance tank (field supply)
5
User interface (accessory)
Expansion vessel (field supply)
Shut-off valve (field supply)
Filling valve (field supply)
Drainage valve (field supply)
Bypass valve (field supply)
Collector/distributor (field supply)
Floor heating loop (field supply)
5.1
Automatic air purge valve
5.2
6
P_o: Outside circulation pump (field supply)
Drainage valve
23
24
2.11
F
3
103
102
Summary of Contents for KMK-100RY1
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