CONNECTING TO HEAT PUMP
You can find a list of compatible air/water heat pumps
on page 18.
VVM 320 is not equipped with shut off valves; these
must be installed outside the indoor module to facilitate
any future servicing.
Requisite safety equipment connected to F2040-
8/F2040-12/F2120-8/F2120-12/HBS 05 and VVM 320,
see section, docking.
-EB101
-XL2
-XL1
-QM1
-FL10
-QM40
-QZ2
-EB15
-EB15
-FL7
-FL5
CONNECTION DURING USE WITHOUT HEAT
PUMP
Connect the pipe for docking in from the heat pump
(XL8) with the pipe out to the heat pump XL9.
CONNECTING COLD AND HOT WATER
The mixer valve must be installed if the factory setting
is changed to ensure that the temperature can exceed
60 °C. National regulations must be observed. The set-
ting is made in menu 5.1.1 (See page 54).
Expansion of water
The expansion vessel accomodates expansion that res-
ults from heating the water inside the unit. The expan-
sion vessel must be connected between the expansion
valve and the cylinder. Tha location of the expansion
vessel should allow access to recharge the pressure as
and when neccessary.
-EB15
-WM3
-FL1
-RM1
-WM4
-QN17
-CM4
-FL5
CONNECTING THE CLIMATE SYSTEM
When connecting to a system with thermostats on all
radiators/underfloor heating coils, a relief valve must be
fitted, or a thermostat must be removed to ensure suf-
ficient flow.
21Chapter 4 | Pipe connectionsNIBE VVM 320
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