HYBO - HYDRAULIC INTERFACE UNIT
EN1H-2615GE25 R1020
2
Safety Guidelines
General Warnings
If installation instructions are followed, required water quality is provided and
installed space is controlled. After 6 month of usage it is recommended just
to clean the strainer.
Before Installation
1. Unpack and remove the EHIU1 from
carton.
2. Check the equipment and report any damage to a Resideo represen-
tative.
3. The unit must be fixed to the wall by using no. 4 Ø 8 mm anchors (not
included).
NOTE: Anchoring materials must be suitable for the mounting surface which
must comply with all local codes.
Wiring
The unit needs a 230V 50Hz electrical connection.
If the unit is installed inside the apartment, power supply must be sourced
from the apartment itself.
On the contrary, if the unit is installed in common locals, it is supplied by a
common central line.
Description
WARNING
Resideo Hydraulic Interface Unit must be installed by qualif
ied
personnel in accordance with the applicable regulations and IEE
Regulations.
The end user is not authorized to work on the unit. Any contractual or
extra-contractual responsibilities of the Constructor is excluded for
damages to people, animals or things caused by an improper use or
by installation mistakes or special maintenance as well as by not qual-
ified personnel intervention and, in general, by non-fulfilment of what
indicated in installation, commissioning and operating instructions.
Resideo take no responsibility for difficulties arising from failure to
observe these instructions. Please read this manual before under-
taking the installation.
Upon completion of the installation, please hand these instructions to
the user. These instructions should be retained for future reference.
WARNING
Resideo EHIU1 is a
wall hanging HIU with optional external casing. If
installed without external casing it must be placed in a protected
space not accessible by unqualified people. It has the capability to
provide the central heating and to produce instantaneous domestic
hot water. Hot water is always produced in priority to the heating
service. The maximum temperature of the domestic hot water may be
adjusted by accessing the digital display unit which is positioned
within the casing.
WARNING
Risk of scalding!
Even in normal operating conditions unit reaches high temperatures
that can cause burns. It is risky to touch the pipes without protection.
WARNING
Risk of electric shock or equipment damage!
Before installation and any maintenance operation disconnect elec-
trical supply.
For device disconnection use a circuit breaker or a plug.
Do not reconnect the power supply until you have completed the
installation. In general before any operation disconnect power supply.
Device doesn´t requires any maintenance.
WARNING
The Installer has to check that unit fixing systems are suitable to
mounting wall.
This equipment must only be used for the purpose for which it was
intended, improper use may be hazardous.
CAUTION
M-Bus and electrical supply cables must be separated in order to
avoid any interferences.
CAUTION
All electrical connection must be compliant with local laws, rules and
regulations.
A suitable room thermostat clock/room thermostat with 230V 50 Hz
output must be provided and connected by the installer. The elec-
tronic board is protected by a 1 Ampere fuse.
CAUTION
Notices about domestic hot water
If the supply water hardness exceeds 15°f (dGH) it is recommended
to install a suitable scale reducing device (softener). In order to
reduce scale forming inside heat exchanger, set the sanitary water
temperature to a value that is slightly superior compared to the oper-
ating one.
pH value should be between 7 ~ 9.