Viessmann Vitocal 300-G BW, Installation And Service Instructions Manual

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18
B
M
H
K
L
P
N
R
U
T
P
P
A
G
J I
D
C
E
P
F
P X Y Z
O
V
W
A Electronic expansion valve (EEV)
B Evaporator
C Low pressure sensor (0 to 15 bar)
D Suction gas temperature sensor
E Compressor
F High pressure sensor (1 to 35 bar)
G Hot gas temperature sensor
H Condenser
I LPG temperature sensor
J Safety high pressure switch
K Instantaneous heating water heater
(accessories)
L Primary flow temperature sensor
M
Primary return temperature sensor
N Primary pump (accessory)
O Brine pressure switch (accessory)
P Primary return (brine OUT)
R Primary flow (brine IN)
T Secondary pump, heating circuit
(accessory)
U Circulation pump for cylinder heat-
ing (accessories)
V Secondary flow temperature sen-
sor
W Secondary return temperature sen-
sor
X Heating water flow
Y DHW cylinder flow
Z
DHW cylinder return/heating water
return
Preparing for installation
Internal components type BW/WW
(cont.)
5368 522 UAE