Outdoor Unit 10 To 16 Kw, Type Awb/Awb-E/Awb-Ac 201.B10/B13, 201.C10 To C16; Draining Secondary Side Heat Pump - Viessmann Vitocal 200-S Installation And Service Instructions For Contractors

Maintenance
Overview of internal components: outdoor unit

Outdoor unit 10 to 16 kW, type AWB/AWB-E/AWB-AC 201.B10/B13, 201.C10 to C16

B
A
Fig. 56
Fan
A
Heat exchanger (evaporator)
B
C Temperature sensor, air intake, evaporator (OAT)
Evaporator temperature sensor (OMT)
D
Temperature sensor, refrigerant inlet, evaporator
E
(OCT)

Draining secondary side heat pump

1. Close the on-site boiler drain & fill valve.
66
(cont.)
C
4-way diverter valve
F
Electronic expansion valve (EEV)
G
H Liquid separator
High pressure switch (pHi)
K
Compressor head temperature sensor (CTT)
L
Compressor
M
D
E
F
G
H
K
L
M