Connecting Water Piping; About Connecting The Water Piping; Precautions When Connecting The Water Piping; To Connect The Water Piping - Daikin Altherma 3 R F Installer's Reference Manual

7 | Installation

7.8 Connecting water piping

7.8.1 About connecting the water piping

7.8.2 Precautions when connecting the water piping

7.8.3 To connect the water piping

Installer reference guide
78
2 Fix the label on the inside of the outdoor unit near the gas and liquid stop
valves.
Before connecting the water piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the water piping typically consists of the following stages:
1 Connecting the water piping to the indoor unit.
2 Connecting the recirculation piping.
3 Connecting the drain hose to the drain.
4 Filling the water circuit.
5 Filling the domestic hot water tank.
6 Insulating the water piping.
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
General safety precautions
▪
Preparation
NOTICE
Do NOT use excessive force when connecting the piping. Deformation of the piping
can cause malfunctioning of the unit.
To facilitate service and maintenance, 4 shut-off valves and 1 overpressure bypass
valve are provided. Mount the shut-off valves on the space heating water inlets
and space heating water outlets. To ensure the minimum flow rate (and prevent
overpressure), install the overpressure bypass valve on the space heating water
outlet for the additional zone.
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.
ERGA04~08DAV3(A) + EHVZ04+08S18+23DA6V+9W7
Daikin Altherma 3 R F
4P618957-1 – 2020.03