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

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20
P
P
B
M
A
G
H
J I
L
D
C
E
P
P R
N
K
U
V
W
T
P
F
O
S X Y Z
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
O Brine pressure switch (accessory)
P Primary return (brine OUT)
R Primary flow (brine IN)
S Safety equipment block with safety
assembly
T Three-way valve (heating/DHW)
U
Secondary pump
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
Connections on the primary side type BW (brine/water)
5
P
4
3
1
2
6
7
8
Preparing for installation
Internal components type BWC/WWC
(cont.)
5368 522 UAE