A
Vitocal 160-A, type WWKS
B
Integral DHW cylinder with internal solar indirect coil
C
Heat pump module (with cover for circulating mode)
D
DHW circulation pump (on site)
E
Solar-Divicon
F
Solar circuit pump
G
Collector temperature sensor (standard delivery with type
WWKS)
H
Solar collectors
K
Safety valve
L
Expansion vessel
6.6 Connections on the DHW side
For the DHW connection, observe DIN 1988 and DIN 4753.
Furthermore the following must be observed:
■ Connect all pipework with detachable fittings.
■ Equip the DHW circulation line with a DHW circulation pump, check
valve and time switch. Only a limited gravity operation is possible.
Note
The safety assembly (to DIN 1988) is available as an accessory. This
contains the following components:
■ Shut-off valve
■ Diaphragm safety valve
■ Non-return valve and test connector
■ Pressure gauge connector
Permiss. temperature 65 °C
Permiss. operating pressure 10 bar
Test pressure 13 bar
Design information
(cont.)
22
VIESMANN
VITOCAL 160-A
6
5822 485 GB
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