Atlantic WOYG112LHT, Installation And Commissioning Instructions

Page: 33 / 92

4 .1 Connecting to the Heating circuit
4 .1 .1 Rinsing out the installation
Before connecting the hydraulic unit to the installation,
rinse out the heating system correctly to eliminate
any particles that may affect the appliance's correct
operation
Do not use solvents or aromatic hydrocarbons (petrol,
paraffin, etc.).
In the case of an old installation, provide a sufficiently
large decanting pot with a drain on the return from the
boiler and at the lowest point in the system in order to
collect and remove the impurities.
Add an alkaline product to the water and a dispersant.
Rinse the installation several times before filling it
definitively.
4 .1 .2 Connecting
The heating circulating pump is built into the hydraulic unit.
Connect the central heating pipes to the appliance,
complying with the direction of circulation.
The pipe between the heat pump and the heat collector
must be at least one inch in diameter (26x34 mm).
Calculate the diameter of the pipes according to the
flow rates and the lengths of the hydraulic systems.
Tightening torque: 15 to 35 Nm.
Use union connectors to facilitate removing the hydraulic
unit
Preferentially use connection hoses to avoid transmitting
noise and vibrations to the building.
Connect the drains from the drain valve and the safety
valve to the main sewer system.
Verify the correct functioning of the expansion system.
Control the vessel pressure (precharge 1 bar) and the
safety valve setting.
The flow of the installation must be at least equal to
the minimum value noted in the characteristics table
(section 1.5, page 6 ). Do not instal any regulating
appliance (without those present in our configurations)
who's reduce or stop the flow through the hydraulic unit.
4 .1 .3 Connection to an underfloor heating circuit
An underfloor heating circuit cannot be connected
directly to the hybrid duo gas heat pump. The 2-circuit
kit must be used (optional).
4 .1 .4 Volume of the heating system
You must respect the minimum installation water
volume . Install a buffer tank on the return of the
heating circuit in case of lower volume than this value.
In the case of a system equipped with Thermostatic(s)
valve(s), it is necessary to ensure that this minimum
water volume can flow.
Minimum volume in liters BY CIRCUIT (without HP)
HP alféa
Obligation
fan-coil
Recommendation
Radiator
Recommendation
Heating-cooling floor
hybrid duo gaz 11
hybrid duo gaz 11 triphasée
55 50 25
hybrid duo gaz 14
hybrid duo gaz 14 triphasée
74 66 35
hybrid duo gaz 16 triphasée 87 80 44
4 .2 Connection to the domestic circuit
- Place a safety group with a valve calibrated to 7 bar on
the cold water inlet, and connect an evacuation pipe
leading to the drain. Run the safety group according to
the manufacturer's recommendations.
There should be no valve between the safety unit and
the tank
- Connect the safety valve evacuation to the drain.
It is recommended that the hot water outlet is fitted with
a thermostatic mixing valve.
4 .3 Condensate evacuation
A condensate recovery system is integrated into the
appliance. It must be connected to the drain via a siphon
( figure 30 ).
Installation and commissioning instructions "1485 - EN" - 33 -
Heat pump alféa hybrid duo gas