Midea RSJ-420/PZN1-H - Page 20

MCAC-HTSM-201506 Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual
20
Item
Detail
0
Communication port for other unit
1
Communication port for wired controller
2
System low pressure protection connector
3
System high pressure protection connector
4
E-heater Temp. Sensor of refrigerant connector
5
Water tank (pook) Temp. sensor connector, only the host is valid, the slave is invalid.
6
Water outlet Temp. sensor connector
7
E-heater pipe Temp. sensor connector of refrigerant
8
Water inlet Temp. sensor connector
9
Discharge Temp. sensor connector
10
Suction sensor connector
11
T3: Evaporator Temp. sensor connector
T4: Outdoor ambient Temp. sensor connector
12
Detection port for compressor current
13
S3-1: Remote ON/OFF functional status (OFF: inactive (default); ON: active)
S3-2: Defrost periodical choice (OFF: default time by program; ON: 28 minutes)
S3-3,4: Auxiliary heater choice (OFF: indicates 0, ON indicates 1, the factory default
is 00)