Viessmann Vitocal 222-A - Page 86

86
Connection to the outdoor unit
Temperature sensors are connected to the refrigerant
circuit controller in the outdoor unit (see label in the
outdoor unit): See page 83.
Temperature sensor Test element
■
Refrigerant circuit controller temperature sensor (T2)
■
Compressor suction gas temperature sensor (T4)
■
Air intake temperature sensor (T5)
■
Hot gas temperature sensor (T6)
■
Evaporator suction gas temperature sensor (T7)
■
Secondary circuit flow temperature sensor (T1)
■
Reversible suction gas temperature sensor (T3)
NTC 10 kΩ
Maintenance
Checking the temperature sensors (cont.)
5831412
Maintenance