18.5.9 P4
When the discharge temperature is higher than 115°C, the system will display P4 protection, the ODUs will be
standby.
When the discharge temperature is lower than 83°C, P4 protection finished and normal operation resumes.
P4: Compressor discharge temperature protection
Check whether the discharge
temperature is higher than
115°C
PCB is damaged
Replace PCB
Check whether the discharge
temperature sensor is disabled
Check whether there
is refrigerant leakage
Replace discharge temperature sensor
Yes
Yes
Repair the leakage and
recharge refrigerant
No
Refers to the wiring diagram to check whether the
discharge temperature sensor is correctly
connected
Reconnect temperature sensor
Yes
No
Yes
No
84
V.2
Содержание EMCH-10W/1
Страница 14: ...14 6 Dimensiones EMCH 07W 1 Unidad mm EMCH 10W 1 EMCH 12W 1 EMCH 14W 3 EMCH 16W 3 Unidad mm V 2...
Страница 16: ...16 6 Diagrama de cables EMCH 07W 1 V 2...
Страница 17: ...17 EMCH 10W 1 V 2...
Страница 18: ...18 EMCH 12W 1 EMCH 14W 3 EMCH 16W 3 V 2...
Страница 29: ...29 V 2...
Страница 30: ...30 V 2...
Страница 31: ...31 V 2...
Страница 33: ...33 12 Vista ampliada EMCH 07W 1 28 1 28 2 28 3 28 5 28 6 28 4 28 7 V 2...
Страница 35: ...35 EMCH 10W 1 V 2...
Страница 37: ...37 EMCH 12W 1 EMCH 14W 3 EMCH 16W 3 V 2...
Страница 53: ...53 Para acceder el panel de control abrir la tapa retirar el tornillo 1 y tornillo 2 subir el panel 3 V 2...
Страница 95: ...MINI CHILLER INVERTER INSTALLATION S AND USER S MANUAL EMCH 10W 1 EMCH 12W 1 EMCH 14W 3 EMCH 16W 3 V 2...
Страница 110: ...7 Wiring Diagram EMCH 07W 1 15 V 2...
Страница 111: ...EMCH 10W 1 EMCH 12W 1 16 V 2...
Страница 112: ...EMCH 14W 3 EMCH 16W 3 17 V 2...
Страница 121: ...11 Hydraulic Data 11 1 Useful pump head curves P C constant curve for 7 kW P C constant curve for 10 12 14 16 kW 26 V 2...
Страница 122: ...11 2 Water Side Water Pressure Drop EMCH 07W 1 EMCH 10W 1 Heat exchanger pressure drop water side 27 V 2...
Страница 123: ...EMCH 12W 1 EMCH 14W 3 28 V 2...
Страница 124: ...EMCH 16W 3 29 V 2...
Страница 126: ...13 Exploded View EMCH 07W 1 31 V 2...
Страница 128: ...EMCH 10W 1 EMCH 12W 1 33 V 2...
Страница 130: ...EMCH 14W 3 EMCH 16W 3 35 V 2...