Daikin ETVH16UE6V7 Installer's Reference Manual page 93

EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10
NOTICE
About the shut-off valve with integrated filter (delivered as accessory):
▪
The installation of the valve at the water inlet is mandatory.
▪
Mind the flow direction of the valve.
NOTICE
Install air purge valves at all local high points.
Indoor unit
To facilitate service and maintenance, 4 shut-off valves and 1 differential pressure
bypass valve are provided. Mount the shut-off valves on the space heating water
IN/OUT connections, and on the water IN/OUT connections from/to the outdoor
unit. To ensure the minimum flow rate (and prevent overpressure), install the
differential pressure bypass valve on the space heating water outlet.
1 Connect the O-rings and shut-off valves to the outdoor unit water connection
pipes of the indoor unit.
2 Connect the outdoor unit field piping to the shut-off valves.
3 Connect the O-rings and shut-off valves to the space heating/cooling water
pipes of the indoor unit.
4 Connect the space heating/cooling field piping to the shut-off valves.
5 Connect the domestic hot water IN and OUT pipes to the indoor unit. It is
obligatory to use the accessory G3 kit EKUHWG3D to comply with UK
legislation. See "8.2.4 To connect the water piping for domestic hot
4
water" [ 95].
c1
c2
a1 Space heating/cooling – Water IN (screw connection, 1")
a2 Space heating/cooling – Water OUT (screw connection, 1")
b1 DHW – Cold water IN (screw connection, 3/4")
b2 DHW – Hot water OUT (screw connection, 3/4")
c1 Water IN from outdoor unit (screw connection, 1")
c2 Water OUT to outdoor unit (screw connection, 1")
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.
▪
However, make sure there is no valve between the pressure relief valve
(delivered with the domestic hot water tank kit) and the DHW tank.
a2 a1
b2 b1
8 Piping installation
|
Installer reference guide
93