Daikin Altherma 3 R W Installer's Reference Manual page 104
Hide thumbs
Also See for Altherma 3 R W:
- Installer's reference manual (296 pages) ,
- Installation manual (44 pages) ,
- User reference manual (60 pages)
Table of Contents
8
|
Piping installation
Installer reference guide
104
a
2.4
2
1.5
1
0.5
0.3
20
50
100
a Pre-pressure (bar)
b Maximum water volume (l)
Example: Maximum water volume and expansion vessel pre-pressure
Installation
height
(a)
difference
≤7 m
No pre-pressure adjustment is
required.
>7 m
Do the following:
▪
Increase the pre-pressure
according to the required
installation
difference. The pre-pressure
should increase by 0.1 bar
for each metre above 7 m.
▪
Check if the water volume
does
maximum
volume.
(a)
This is the height difference (m) between the highest point of the water circuit and the
indoor unit. If the indoor unit is at the highest point of the installation, the installation
height is 0 m.
Minimum flow rate
Check that the minimum flow rate in the installation is guaranteed in all conditions.
This minimum flow rate is required during defrost/backup heater operation. For
this purpose, use the overpressure bypass valve delivered with the unit, and
respect the minimum water volume.
Minimum required flow rate
12 l/min
150
200
250
Water volume
≤200 l
Do the following:
▪
▪
The expansion vessel of the
indoor unit is too small for the
installation. In this case, it is
recommended to install an
height
extra vessel outside the unit.
NOT
exceed
the
allowed
water
b
290
>200 l
Decrease the pre-pressure
according to the required
installation
difference. The pre-pressure
should decrease by 0.1 bar
for each metre below 7 m.
Check if the water volume
does
NOT
exceed
maximum
allowed
volume.
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
height
the
water
- Quick Links:
- Electrical
Hide quick links:
Table of Contents
