Scheme 1931 - Cosmo Csus50Stg Montage- Und Betriebsanleitung

6 8
COSMO buffer tank
Type CPS
Flow
Return
8 . 9 . 2 S C H E M E 1 9 3 1
Cold water
Hot water
Circulation
In the following information the buffer tank(s) is/are designated as follows:
Storage tank 1: COSMO buffer tank type CPS, top
Storage tank 2: COSMO buffer tank type CPS, bottom
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
* Please pay attention to the power consumption of the pump. It may be necessary to connect
the pump via a supplementary relay/load relay, e. g. CLR and to set the minimum revolution
speed to 100%.
( ) value in brackets is the recommended sensor position on the sensor terminal block of the
CPS....... storage tank.
min. 30 cm
IT*
DET
DET
= sensor terminal COSMO Multi 3
= relay terminal COSMO Multi 3
N O T E
Solar circuit pump primary - Mains connection
2x 3-way valve between
storage tank 1 - storage tank 2
(at zero current: storage tank 1 open)
Solar circuit pump secondary - Mains connection
Mains connection
*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