Daikin EHYHBH05AFV32 [71/252] Installation

7 | Installation

Installer reference guide

EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA

Daikin Altherma hybrid heat pump

4P355634-1F – 2020.10

▪ Keeping in mind the guidelines for:

- Pipe bending

- Flaring pipe ends

- Brazing

- Using the stop valves

7.7.2 Precautions when connecting the refrigerant piping

INFORMATION

Also read the precautions and requirements in the following chapters:

▪ General safety precautions

▪ Preparation

DANGER: RISK OF BURNING/SCALDING

CAUTION

▪ Do NOT use mineral oil on flared part.

▪ Do NOT reuse piping from previous installations.

▪ NEVER install a drier to this R410A unit to guarantee its lifetime. The drying

material may dissolve and damage the system.

NOTICE

Take the following precautions on refrigerant piping into account:

▪ Avoid anything but the designated refrigerant to get mixed into the refrigerant

cycle (e.g. air).

▪ Only use R410A when adding refrigerant.

▪ Only use installation tools (e.g. manifold gauge set) that are exclusively used for

R410A installations to withstand the pressure and to prevent foreign materials

(e.g. mineral oils and moisture) from mixing into the system.

▪ Install the piping so that the flare is NOT subjected to mechanical stress

▪ Protect the piping as described in the following table to prevent dirt, liquid or

dust from entering the piping.

▪ Use caution when passing copper tubes through walls (see figure below).

Unit Installation period Protection method

Outdoor unit >1month Pinch the pipe

<1month Pinch or tape the pipe

Indoor unit Regardless of the period