2 2
2 . 3 E Q U I P M E N T
A-1
Flow to the consumer circuit
A-3
Flow ball valve with immersion sleeve and full metal thermometer
B-1
Flow from the heat generator
B-2
Return to the heat generator
B-3
Return ball valve
B-4
Flow ball valve
C
Check valve, can be opened (19.6 mbars)
D
Installation kit for heat flow meter (¾" ext. thread x 110 mm or 1" ext. thread x 130 mm)
E
Design insulation with optimised function
F-1
Return from the consumer circuit
F-2
Return ball valve with immersion sleeve and full metal thermometer
G-1
Reducer ¼" ext. thread, self-sealing x M12 x 1.5 ext. thread
G-2
Reducer ¼" ext. thread, self-sealing x M10 x 1 int. thread
The pump group is prepared for the use of pumps with the connection dimensions
1½" ext. thread x 180 mm. If other pumps than those intended by COSMO are used,
it may be necessary to adapt the insulation elements.
2 . 4 F U N C T I O N
In the unmixed pump group, the flow of the heat generator is pumped directly through the
heating circuit.
Application range:
Boiler charging
Storage tank charging and discharging
Heating circuits without temperature limitations