Atlantic 024122 - Connecting to the DHW Circuit

4.2 Connecting to the DHW circuit
Attach dielectric connections and DHW pipes to the tank
(see gure 26). Insulate the pipes with the insulation
provided.
" Be sure to place the DHW sensor back in the
bottom of the tank thermowell.
Mandatory: On the cold water inlet, place a safety valve
calibrated to between 7 and 10 bar max. (depending on
local regulations) and connected to a drain pipe leading
to the sewer. Operate the safety valve according to
manufacturer's specications. The domestic hot water
tank must be fed with cold water passing through a
safety valve. There must be no other valves between
the safety valve and the tank.
Connect the safety valve to the sewer.
We recommend installing a thermostatic mixing valve
on the hot water outlet.
DHW outlet on RHS of HP
DHW outlet on LHS of HP
DHW outlet on both sides of HP
55 mm
gure 26 - Attaching DHW pipe connections
40Nm
gure 27 - DHW circuit outlets
Installation and Operating Manual "1821- EN"
Alféa Extensa Duo A.I. Heat Pump
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