
6PAW-VP•LDHW - Technical Manual – 2019-11
Contents
Contents
6 System drawings ................................................................................................. 82
6.1 System PAC DHW ............................................................................................................... 82
6.2 System PACi/ECOi DHW..................................................................................................... 83
6.3 System PAC DHW with buffer tank.................................................................................... 84
6.4 System U-16MF3E8............................................................................................................. 85
6.5 System U-16MF3E8 with DHW........................................................................................... 86
6.6 System PACi PAW-VP380L................................................................................................. 87
6.7 System PACi and PAW-VP 380L Cooling/Heating............................................................ 88
7 Electrical Wiring................................................................................................... 89
7.1 General precautions on wiring .......................................................................................... 89
7.2 Recommended wire diameter............................................................................................ 90
7.3 Indoor unit electric wiring diagrams................................................................................. 92
7.3.1 Wiring system diagram for EX valve magnetic coil..................................................... 92
7.3.2 Wiring system diagram PACi ...................................................................................... 93
7.3.3 Wiring system diagram ECOi...................................................................................... 94
7.4 How to connect electrical wires and sensors .................................................................. 95
7.4.1 How to connect wiring to the terminal......................................................................... 95
7.4.2 How to connect temp sensors TA, E1, E2, E3 to the tank system.............................. 96
7.4.3 How to mount the E1, E2 and E3 sensors on the pipes............................................. 96
7.4.4 How to use with Terminal PAW-VP-RTC5B-PAC........................................................ 97
7.4.5 How to use with Terminal PAW-VP-RTC5B-ECO ....................................................... 97
8 Connecting the Refrigerant Tubing.................................................................... 98
8.1 Use soldering method ........................................................................................................ 98
8.2 Preparation of cooling pipe for tank ................................................................................. 98
8.3 How to install the expansion valve when using ECOi..................................................... 98
8.4 Expansion valve.................................................................................................................. 99
8.5 Choose the right expansion valve for different tank models.......................................... 99
9 How to make Settings.......................................................................................... 100
9.1 Detailed settings for indoor unit........................................................................................ 100
9.1.1 Setting procedure for remote controller model CZ-RTC5B......................................... 100
9.1.2 Detailed setting procedure for remote controller model RTC4.................................... 102
9.1.3 Detailed setting procedure for remote controller model RTC2.................................... 103
9.2 Detailed settings for indoor/outdoor unit RTC5B/RTC2/4 .............................................. 104
9.3 Monitoring operations (Sensor info)................................................................................. 106
9.3.1 How to open the sensor menu.................................................................................... 106
9.3.2 Monitoring operations (Sensor info) PACi................................................................... 106
9.3.3 Monitoring operations (Sensor info) ECOi.................................................................. 107