Type
Principle
Simplified diagram
Mixing
loop 1
Variable flow in the primary
circuit (supply) and constant
flow in secondary circuit
(VEX unit)
Mixing
loop 2
Variable flow in the primary
circuit (supply) and constant
flow in secondary circuit
(VEX unit)
a) When there is no heating
requirement, valve adjust-
ment must be based on the
required primary circuit water
flow
Do not connect the heating
coil like this!
Connection without circula-
tion pump risks frost damage!
RD12900-03
3005706-2017-06-08
Mechanical assembly
19/36
Summary of Contents for VEX100CF Series
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