Midea M thermal Mono Series, Инженерные данные

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M thermal Mono
48 202005
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Table 3-4.1: Wiring requirements
Item Description Current Required number of conductors Maximum running current
1 Solar energy kit signal wire AC 2 200mA
2 User interface wire AC 5 200mA
3 Room thermostat wire AC 2 or 3 200mA
a
4 Boiler control wire / 2 200mA
5 Temperature sensor wire for Tw2 DC 2 b
9 Control wire for DHW PUMP AC 2 200mA
a
10 Control wire for 3-way valve AC 2 or 3 200mA
a
11 Control wire for 3-way valve AC 2 or 3 200mA
a
12 Temperature sensor wire for T5 DC 2
b
13 Control wire for booster heater AC 2 200mA
a
15 Power supply wire for outdoor unit AC 3+GND c
16 Control wire for 3-way valve AC 2 or 3 200mA
a
Notes:
a.
Minimum cable section AWG 18 (0.75mm
2)
b.
The temperature sensor wire (10m) are delivered with zone 2 outlet tem. Tw2 and domestic hot water tank T5.
c. See Table 3-4.2 for details.
Table 3-4.2: Outdoor unit power supply
Unit 18kW 22kW 26kW 30kW
Maximum overcurrent protector(MOP) 18 21 24 28
Wiring size(
mm
2
) 6 6 6 6
5 DIP Switch Settings
DIP switch is located on the hydraulic module main control board and allows configuration of additional heating source
thermistor installation, the second inner backup heater installation, etc.
Table 3-5.1: DIP switch settings
Switch ON=1 OFF=0 Default factory setting
S1
1 Reserved Reserved OFF
2 Reserved Reserved OFF
3/4
00=Without IBH and AHS
10=With IBH
01=With AHS for heat mode
11=With AHS for heat mode and DHW mode
OFF/OFF
S2
1
Start pumpo after six hours
will be invalid Start pumpo after six hours will
be valid
OFF
2 without TBH with TBH OFF
3/4
00=variable speed pump (Max head:8.5m)
01=constant speed pump
10=variable speed pump(Max head:10.5m)
11=variable speed pump(Max head:9m)
OFF/ON
S4
Reserved Reserved OFF
Reserved Reserved OFF
Reserved OFF/OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
S1
ON
OFF
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