Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 88

Maintenance
Overview of internal components: Outdoor unit
Outdoor unit, types 221.C10 to C16
B
A
Fig. 74
Fan
A
Heat exchanger (evaporator)
B
Air intake temperature sensor (T5)
C
4-way diverter valve
D
E Low pressure sensor
Evaporator suction gas temperature sensor (T7)
F
88
C
S R P O
(cont.)
N
High pressure sensor
G
Safety high pressure switch
H
Compressor
K
Schrader valve, low pressure side
L
M Compressor suction gas temperature sensor (T4)
Hot gas temperature sensor (T6)
N
D
E
F
G
H
K
L
M