Connecting Water Piping; About Connecting The Water Piping - Daikin Altherma 3 R ECH2O Installer's Reference Manual

8 | Piping installation

8.6 Connecting water piping

8.6.1 About connecting the water piping

Installer reference guide
114
a Individual room thermostat (optional)
b Shut-off valve
M1...3 Individual motorised valves to control each loop (field supply)
Minimum flow rate
Check that the minimum flow rate in the installation is guaranteed in all conditions.
If operation is...
Cooling
Heating/defrost
NOTICE
When circulation in each or certain space heating loops is controlled by remotely
controlled valves, it is important that the minimum flow rate is guaranteed, even if all
valves are closed. In case the minimum flow rate cannot be reached, a flow error 7H
will be generated (no heating or operation).
See the recommended procedure as described in
4
commissioning" [ 253].
Before connecting the water piping
Make sure the outdoor and indoor unit are mounted.
a a a
M1 M2
b
b
Then the minimum required flow rate
ERLA11~16DAV3+W1 + EBSH/X(B)11+16P30+50DF
M3
is...
16 l/min
22 l/min
"12.4 Checklist during
Daikin Altherma 3 R ECH₂O
4P663482-1B – 2022.07