Mitsubishi Electric MECH-iS-G07 Instructions For Installation, Use And Maintenance Manual page 71

7 LINKS AND CONNECTIONS
It is important that there is no air in the water circuit and no sudden variations in pressure or any points below atmospheric pressure.
There must not be any sudden variations in the flow of water. When the machine is running, there must not be variations in the flow of
water of more than 10% a minute. For this reason it is advisable to install an independent pump unit for each single evaporator with a
circuit separate from the rest of the system.
For the production of domestic water it is recommended to install an intermediate exchanger to prevent dirt, corrosion and pollution of
the water from any oxides. Type Q and type R multi-purpose machines are for 4 pipe systems whose hydraulic circuits must always be
able to have circulating water.
The directions for installation set out above represent a necessary condition for the validity of the warranty. However, Mehits is willing to
examine any different needs, which must in any case be approved before the refrigeration system is started up.
Installation, use and maintenance manual - Translation of the original instructions
1. PRESSURE GAUGE
2. SHUT-OFF TAP
3. AUTOMATIC AIR VALVE
4. VIBRATION DAMPING JOINT
5. CALIBRATED FLOW SWITCH
6. CALIBRATION VALVE
7. SHUT-OFF VALVE
Figure 7.1: vaporator/recovery unit water circuit diagram.
In case of unit fitted with pumps, the filter must be positioned at the machine inlet, before the pumps.
Preliminary
8. FILTER
09. DRAIN VALVE
10. PRIMARY CIRCUIT
CIRCULATION PUMP
11. SAFETY VALVE
12. EXPANSION TANK
13. BYPASS VALVE
WARNING
EN
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