DOMUSA TEKNIK FUSION COMBI W 50 User manual

FUSION COMBI W 50
FUSION COMBI F 80
HYBRID MODULE
EN | INSTALLATION AND OPERATING INSTRUCTIONS

Thank you for choosing a DOMUSA TEKNIK heat pump accessory. You
have chosen the FUSION model from the DOMUSA TEKNIK product line.
This is an all-in-one hydraulic accumulation module, which in combination
with a DUAL CLIMA R heat pump and provide the adequate level of comfort
for your home, provided that the hydraulic installation is correctly performed.
This document constitutes an essential part of the product and must be
delivered to the end user. Please carefully read the warnings and advice
contained in this manual, as they provide important information regarding
the safety of the installation, as well as use and maintenance.
The installation of this appliance should be carried out only by qualified
personnel, in accordance with the regulations in force and following the
manufacturer’s instructions.
Both the start-up and any maintenance operation of this appliance should be
carried out only by the Official Technical Assistance Services of DOMUSA
TEKNIK.
Incorrect installation of this product may cause damage to people, animals
and objects, for which the manufacturer shall not be held liable.
At the end of its useful life, the product must be taken to a selected collection
point for electrical and electronic equipment or must be returned to the
distributor at the time of purchasing a new equivalent appliance. For more
detailed information on the collection schemes available, contact either the
collection facilities of the local authority or the distributor where the purchase
was made.

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FUSION COMBI W 50/FUSION COMBI F 80
INDEX
1 SAFETY WARNINGS ................................................................................................................. 4
1.1 SAFETY SYMBOLS ....................................................................................................................................... 4
1.2 OTHER SYMBOLS........................................................................................................................................ 4
1.3 USAGE AND INSTALLATION WARNINGS ............................................................................................................. 5
1.4 PERSONAL SAFETY WARNINGS........................................................................................................................ 5
2 LIST OF COMPONENTS............................................................................................................. 6
3 INSTALLATION INSTRUCTIONS ................................................................................................ 8
3.1 LOCATION AND WALL MOUNTING (ONLY FOR FUSION COMBI W50 MODEL) ........................................................... 9
3.2 HYDRAULIC INSTALLATION.......................................................................................................................... 10
3.3 DRAINAGE THE TANK................................................................................................................................. 12
3.4 ASSEMBLY AND CONNECTION OF THE CONTROL PANEL........................................................................................ 12
3.5 ELECTRICAL CONNECTION........................................................................................................................... 15
3.5.1 Connecting the circulation pumps of the installation (BC, BF) ............................................................... 15
3.5.2 Connecting the module with the DUAL CLIMA R heat pump and the boiler............................................ 15
3.5.3 INSTRUCCIÓN DE CONEXIÓN ELÉCTRICA CON UNA CALDERA CON MANTENIMIENTO DE TEMPERATURA MÍNIMA DE CALDERA . 17
3.6 CONNECTING ROOM THERMOSTATS ............................................................................................................... 18
3.6.1 Connecting a 3-wired switched room thermostat for Heating/Cooling ................................................... 18
3.6.2 Connecting two room thermostats (one for heating and the other for cooling) ...................................... 20
3.6.3 Connecting a 2-wired two room thermostats for two zones (manual mode) .......................................... 21
3.6.4 Connecting one room thermostat ....................................................................................................... 22
4 OPERATION .......................................................................................................................... 23
4.1 HEAT PUMP CONFIGURATION....................................................................................................................... 23
4.2 BOILER ONLY MODE SWITCH ....................................................................................................................... 23
5 ELECTRICALSCHEME.............................................................................................................. 24
6 DIAGRAMS AND MEASUREMENTS ........................................................................................... 25

EN
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FUSION COMBI W 50/FUSION COMBI F 80
1SAFETY WARNINGS
1.1 Safety symbols
All safety messages indicate a potential risk of breakdown or damage. Follow the instructions carefully
to avoid accidents or damage.
DANGER
Warns of operations or situations of imminent danger, which, if not avoided, can cause
severe injury or even death
1.2 Other symbols
The following symbols are used in instructions to draw attention to important information.
NOTE: Indicates the risk of breakdown and damage to property or people.
ATTENTION: Indicates important additional information that may be related to the correct
operation of the module

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FUSION COMBI W 50/FUSION COMBI F 80
1.3 Usage and installation warnings
The FUSION COMBI module should be installed by personnel authorised by the Ministry of Industry,
in compliance with the laws and regulations in force in the matter. The precautions detailed here cover
very important issues, so please be sure to follow them accordingly.
Please carefully read this instruction manual and keep it in a safe, easily accessible place.
shall not be held liable for any damage that may occur due to failure to follow these instructions.
The FUSION COMBI storage module can only be installed in combination with a heat pump from the
DUAL CLIMA R line from DOMUSA TEKNIK. The Fusion Combi module, in combination with a DUAL
CLIMA R heat pump, is suitable for use in both heating and cooling installations, and can be combined
with fan coils, underfloor heating/cooling and low-temperature radiators. It should be connected to a
heating/cooling system and to a hot water distribution network that is compatible with its performance
and power.
This appliance should only be used for the purpose for which it has been expressly designed. Any other
use is considered unsuitable and therefore hazardous. The manufacturer shall not be considered liable
under any circumstances for damage caused by unsuitable, erroneous or improper use.
Remove all the packaging and check that the contents are complete. In case of doubt, do not use the
appliance and refer to the supplier. Keep the packaging elements out of reach of children, as they can
be dangerous.
Improper installation or placement of equipment or accessories may cause electrocution, short circuit,
leakage, fire, or other damage to the equipment. Use only accessories or optional equipment
manufactured by DOMUSA TEKNIK and specifically designed to work with the products presented in
this manual. Do not modify, replace or disconnect any safety or control device without first consulting
the manufacturer or the Official Technical Assistance Service of DOMUSA TEKNIK.
When it is decided not to use the equipment anymore, the parts likely to constitute potential sources
of danger should be properly decommissioned.
1.4 Personal safety warnings
Always wear suitable personal protection equipment (protective gloves, safety glasses, etc.) when
carrying out installation and/or maintenance operations in the unit.
Do not touch any switch with wet fingers. Touching a switch with wet fingers may cause electric shock.
Before accessing the electrical components, fully disconnect the power supply.
Do not touch water pipes or internal parts during and immediately after operation. Pipes and internal
parts may be excessively hot or cold, depending on the use of the unit.
The hands may be burned by cold or heat in case of improperly touching pipes or internal parts. To
avoid injury, wait until the pipes and internal parts return to their normal temperature. Alternatively, if
access is required, be sure to wear appropriate safety gloves.