3 General safety precautions
Installation and operation manual
5
EHYKOMB33A
Daikin Altherma hybrid heat pump – gas boiler module
4P353067-1K – 2020.10
WARNING: PROTECT AGAINST FROST
Indicates a situation that could result in equipment or
property damage.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate
injury.
NOTICE
Indicates a situation that could result in equipment or
property damage.
INFORMATION
Indicates useful tips or additional information.
Symbols used on the unit:
Symbol
Explanation
Before installation, read the installation and
operation manual, and the wiring instruction sheet.
Before performing maintenance and service tasks,
read the service manual.
For more information, see the installer and user
reference guide.
The unit contains rotating parts. Be careful when
servicing or inspecting the unit.
Symbols used in the documentation:
Symbol
Explanation
Indicates a figure title or a reference to it.
Example:
" 1–3 Figure title" means "Figure 3 in
chapter 1".
Indicates a table title or a reference to it.
Example:
" 1–3 Table title" means "Table 3 in
chapter 1".
3.2
For the installer
3.2.1
General
If you are NOT sure how to install or operate the unit, contact your
dealer.
DANGER: RISK OF BURNING/SCALDING
▪ Do NOT touch the refrigerant piping, water piping or
internal parts during and immediately after operation. It
could be too hot or too cold. Give it time to return to
normal temperature. If you must touch it, wear
protective gloves.
▪ Do NOT touch any accidental leaking refrigerant.
WARNING
Improper installation or attachment of equipment or
accessories could result in electrical shock, short-circuit,
leaks, fire or other damage to the equipment. Only use
accessories, optional equipment and spare parts made or
approved by Daikin.
WARNING
Make sure installation, testing and applied materials
comply with applicable legislation (on top of the
instructions described in the Daikin documentation).
CAUTION
Wear adequate personal protective equipment (protective
gloves, safety glasses,…) when installing, maintaining or
servicing the system.
WARNING
Tear apart and throw away plastic packaging bags so that
nobody, especially children, can play with them. Possible
risk: suffocation.
WARNING
Provide adequate measures to prevent that the unit can be
used as a shelter by small animals. Small animals that
make contact with electrical parts can cause malfunctions,
smoke or fire.
CAUTION
Do NOT touch the air inlet or aluminium fins of the unit.
CAUTION
▪ Do NOT place any objects or equipment on top of the
unit.
▪ Do NOT sit, climb or stand on the unit.
NOTICE
Works executed on the outdoor unit are best done under
dry weather conditions to avoid water ingress.
In accordance with the applicable legislation, it might be necessary
to provide a logbook with the product containing at least: information
on maintenance, repair work, results of tests, stand-by periods,…
Also, at least, following information MUST be provided at an
accessible place at the product:
▪ Instructions for shutting down the system in case of an emergency
▪ Name and address of fire department, police and hospital
▪ Name, address and day and night telephone numbers for
obtaining service
In Europe, EN378 provides the necessary guidance for this logbook.
For Swiss market, domestic hot water operation should only be
prepared in combination with a tank. Instant domestic hot water by
the gas boiler is NOT allowed. Make the correct settings as
described in this manual.
Please follow following Swiss regulations and directives:
▪ SVGW-gas principles G1 for gas installations,
▪ SVGW-gas principles L1 for liquid gas installations,
▪ cautional instances regulations (e.g., fire regulation).
3.2.2
Installation site
▪ Provide sufficient space around the unit for servicing and air
circulation.
▪ Make sure the installation site withstands the weight and vibration
of the unit.
▪ Make sure the area is well ventilated. Do NOT block any
ventilation openings.
▪ Make sure the unit is level.
▪ If the wall on which the unit is mounted is flammable, a non-
flammable material must be placed between the wall and the unit.
Do the same for all locations through which the flue piping passes.
▪ ONLY operate the gas boiler if a sufficient supply of combustion
air is ensured. In case of a concentric air/flue gas system
dimensioned according to the specifications of this manual, this is
