Midea M thermal Mono Series Engineering Data page 12

5.3 Space Heating, Cooling and DHW with solar system
Space cooling and heating application with a room thermostat suitable for heating/cooling changeover when connected to
the unit. Heating is provided through floor heating loops and fan coil units. Cooling is provided through the fan coil units
only. Domestic hot water is provided through the domestic hot water tank which is connected to the unit.
Figure 1-5.3: Space heating, cooling and DHW with solar system
Table 1-5.3: Space heating, cooling and DHW with solar system
Legend
1 Outdoor unit
1.1 Manometer
1.2 Pressure relief valve
1.3 Expansion vessel
1.4 Plate heat exchanger
1.5 Air purge valve
1.6 Flow switch
1.7 P_i: Circulation pump inside the unit
2 Y-shape filter
3 Stop valve (field supplied)
4 Wired controller
5 Room thermostat (field supplied)
6 Drain valve (field supplied)
7 Fill valve (field supplied)
8 Balance tank (field supplied)
8.1 Air purge valve
8.2 Drain valve
9 Expansion vessel (field supplied)
Notes:
1. The example is just for application illustration; please confirm the exact installation method according to the installation manual.
202005
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FHL 1...n
FCU 1...n
Midea CAC Confidential
M thermal Mono
P_o: Outside circulation pump (field supplied)
Collector / Distributor (field supplied)
Domestic hot water tank (field supplied)
Air purge valve
Heat exchanger coil
Booster heater
T5: Temperature sensor
Hot water tap(field supplied)
P_d: Cycle hot water pump(field supplied)
One way valve(field supplied)
Bypass valve(field supplied)
SV1: 3-way valve(field supplied)
SV2: 3-way valve (field supplied)
Solar heater(field supplied)
P_s: Solar pump(field supplied)
Floor heating loop (field supplied)
Fan coil units(field supplied)
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