Viessmann VITOTRONIC 200 Service Instructions Manual page 21

Appliance types
(cont.)
Indoor unit as wall mounted appliance
A
B
C
D
Fig. 4
Secondary circuit flow (central heating and DHW
A
heating)
3-way diverter valve "Central heating/DHW heat-
B
ing"
Instantaneous heating water heater (factory-fitted
C
or as accessory, depending on type)
Secondary pump
D
Condenser
E
Compressor
F
Evaporator
G
Fan
H
Electronic expansion valve
K
G
F
H
E
K
Compact indoor unit without installation kit with
mixer
A
C
B
D
L
Fig. 5
Secondary circuit flow (central heating only)
A
3-way diverter valve "Central heating/DHW heat-
B
ing"
Instantaneous heating water heater (factory-fitted
C
or as accessory, depending on type)
D Secondary pump
Condenser
E
Compressor
F
Evaporator
G
Fan
H
Electronic expansion valve
K
DHW cylinder
L
Introduction
G
F
E
H
K
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