26
Installation
Hot water supply
Cylinder flow connection 1 1/2" internal thread
Cylinder return connection 1" external thread
3905061
Boiler connection set with 3-way valve Solo boiler
Cylinder flow connection 1 1/2" internal thread
Cylinder return connection 1" external thread
3905032
Boiler connection set with 3-way valve for in cascade in
combination with DN65 and DN100 headers
Boiler connection set with
3-way valve
C
B
A
A. Three way valve
B. Separation device
C. Expansion vessel
Boiler type R40 ECO
70
100
120
Pump head for DHW (kPa)
25
20
20
The hot water supply control can be
connected to the Rendamax R40 ECO.
For connection and settings refer to the
Boiler Control chapter.
Expansion DHW cylinder circuit
When connecting a DHW cylinder
to the boiler before the low velocity
header an Rendamax three way valve
is recommended.
The circuit between the three way
valve [A] and the separation device [B]
between the boiler and cylinder should
be provided with an expansion vessel
[C].