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S O L A R T R A N S F E R S T A T I O N - 5 0 m
PHC
Flow
Return
2
8 . 9 . 5 S C H E M E 3 2 2 3
Pipe disconnector BA
DIN EN 1717
Note: The COSMO OHW products are optional
accessories for treatment of heating water
(fill and top-up water) according to VDI 2035.
hygienic storage of DHW Type CPSH
Cold water
Hot water
Circulation
In the following information the buffer tank(s) is/are designated as follows:
Storage tank 1: COSMO tank for a hygienic storage of DHW, type CPSH
Controller assignment:
R E L AY O U T P U T
Relay 1
Relay 2
Relay 3
Relay 4
Relay 5
Relay 6
Relay 7
Relay 7
Relay 7
L'
L
HW
Service water
mixing valve
COSMO tank for a
= sensor terminal COSMO Multi 3
= relay terminal COSMO Multi 3
N O T E
Solar circuit pump primary - Mains connection
Solar circuit pump secondary - Mains connection
3-way switch valve for return temperature
maintenance of the heating circuit
Mains connection
min. 30 cm
IT*
DET
*IT = intermediate
tank required for short
piping distances or large
collectors
T E R M I N A L S
R1
R2
R3
R4
R5
R6
R7-A
R7-M
R7-R
L'
L
8 1
DET
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