Table of Contents
Advertisement
drain the side of the circuit on which they are located. To be able to
only drain the unit, make sure the drain valves are positioned
between the shut‑off valves and the unit.
NOTICE
This unit is designed for operation on 2 temperature zones:
▪ underfloor heating in the main zone, this is the zone
with the lowest water temperature,
▪ radiators in the additional zone, this is the zone with
the highest water temperature.
1 Install the shut-off valves on the space heating water pipes.
2 Screw the indoor unit nuts on the shut-off valve.
3 Connect the domestic hot water in and out pipes to the indoor
unit.
c
e
a
f
a
Space heating additional zone water out
b
Space heating additional zone water in
c
Domestic hot water out
d
Domestic cold water in (cold water supply)
e
Space heating main zone water out
f
Space heating main zone water in
NOTICE
It is recommended to install shut-off valves to domestic
cold water in and domestic hot water out connections.
These shut-off valves are field supplied.
NOTICE
Install air purge valves at all local high points.
NOTICE
A pressure relief valve (field supply) with an opening
pressure of maximum 10 bar must be installed on the
domestic cold water inlet connection in accordance with
the applicable legislation.
4.4.2
To connect the recirculation piping
Prerequisite: Only required if you need recirculation in your system.
1 Loosen and remove the 4 screws that fix the top panel.
2 Remove the top panel from the unit.
4×
3 Disconnect and remove the expansion vessel of the top
insulation.
4 Remove the top insulation.
EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1E – 2018.02
d
b
5 Cut out part (c) on the left or right side from the top insulation.
Tank capacity
180 l
6 Connect the recirculation piping to the recirculation connection
(b) and route the piping through the hole at the backside of the
unit (a).
c
a
b
a
Piping intake hole
b
Recirculation connection
c
Cut-out location
7 Reattach the top insulation, expansion vessel, and casing.
4.4.3
To fill the water circuit
1 Connect the water supply hose to the fill valve.
b
INFORMATION
Please fill with water through connection a OR b. Both
circuits (main and additional) will be filled.
2 Open the fill valve.
3 Make sure that the automatic air purge valve is open (at least 2
turns).
4 Fill the circuit with water until the manometer indicates a
pressure of ±2.0 bar.
5 Purge as much air as possible from the water circuit.
6 Close the fill valve.
7 Disconnect the water supply hose from the fill valve.
4.4.4
To fill the domestic hot water tank
1 Open every hot water tap in turn to purge air from the system
pipe work.
2 Open the cold water supply valve.
3 Close all water taps after all air is purged.
4 Check for water leaks.
4 Installation
Cut out position
Left OR right
a
Installation manual
7
Advertisement
Table of Contents
