Connecting The Refrigerant Piping; To Connect The Refrigerant Piping To The Indoor Unit; Connecting The Water Piping; To Connect The Water Piping - Daikin EHVH04S18CB Installation Manual

4 Installation
4×
2 Slide the indoor unit into position.
3 Adjust the height of the leveling feet to compensate for floor
irregularities. The maximum allowed deviation is 1°.
NOTICE
Do NOT tilt the unit backwards:
1°
0°
4.3

Connecting the refrigerant piping

See the outdoor unit installation manual for all guidelines,
specifications and installation instructions.
4.3.1 To connect the refrigerant piping to the
indoor unit
1 Connect the liquid stop valve from the outdoor unit to the
refrigerant liquid connection of the indoor unit.
b a
Installation manual
6
2 Connect the gas stop valve from the outdoor unit to the
refrigerant gas connection of the indoor unit.
4.4
120kg
4.4.1
To facilitate service and maintenance, 2 shut-off valves are provided.
Mount the valves on the water inlet and on the water outlet. Mind
their position. Orientation of the integrated drain and fill valves is
important for servicing.
1 Install the shut-off valves on the water pipes.
≤1°
2 Screw the indoor unit nuts on the shut-off valves.
3 Connect the domestic hot water in and out pipes to the indoor
unit.
4.4.2
1°
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.
3 In case of a unit with a tank capacity of 180 l, remove the
expansion vessel.
4 Remove the top insulation.
5 Cut out part (c) from the top insulation.
a Refrigerant liquid connection
b Refrigerant gas connection

Connecting the water piping

To connect the water piping

NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit.
c a
a Space heating/cooling water out
b Space heating/cooling water in
c Domestic hot water out
d Domestic cold water in (cold water supply)
NOTICE
It is recommended to install shut-off valves to domestic
cold water in and domestic hot water out connections.
Shut-off valves are field supplied.

To connect the recirculation piping

4×
EHVH/X04~16S18CB + EHVH/X08~16S26CB
Daikin Altherma – Low temperature split
d b
4P384971-1C – 2016.02