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PAW-VP•LDHW - Technical Manual – 2020-07
Electrical Wiring
7
7.3.3 Wiring system diagram ECOi
MF3
OG
RD
YE
BK
GR
*
Please check, if the EXCT jumper is plugged in correctly.
Item
Description
Position
TA*
Water inlet temperature thermistor
Water inlet
E1
Liquid temperature thermistor
Heat exchanger outlet (heating mode)
E2*
Water outlet temperature thermistor
Water outlet
E3
Discharge temperature thermistor
Heat exchanger inlet (heating mode)
BL
Set temperature thermistor
Middle Tank
*
Optional to be purchased separately (for monitoring only)
TA: Only us for water inlet CV 623 321 0025
E2: CV 623 321 5136
i
Note (MF3):
SVK box is required for 3 way VRF systems. Please refer to SVK box installation instructions for
relevant wiring requirements.
*
Expansion valve
ex. PAW-VP-VALV-280
Water
temperature
Optional
Refrigerant
Liquid
temperature
thermistor
Refrigerant
Condensing
temperature
thermistor
Optional
Refrigerant
Discharge
temperature
thermistor
Water set
temperature