-
INSTALLATION
DS170 PILOT
MANUAL
-
17
EXCLUSIVELY connect either:
- The AMBIENT TEMPERATURE SENSOR
with DISPLAY (Ref. 751009)
- The AMBIENT TEMPERATURE RADIO
THERMOSTAT (Ref. 770001)
All other thermostats which are chronoproportional
may cause malfunctioning and render the warranty
null and void.
4.4.4 - Underfl oor safety device of the 65°C
safety aquastat (OPT) with manual reset
(OPT)
Use the additional wiring provided in the kit (
Ref. 710111
) to protect
the fl oor heating circuit.
CAUTION WHEN THE INSTALLATION INCLUDES A SANITARY
TANK !
1. The DHW setpoint setting must be less than 55 ° C.
2. Place the safety aquastat as close as possible to the
common outlet of all the underfl oor heating loops (that
is to say just upstream of the fl oor outlet manifold) so as
to move it away from the Pilot’s fl oor outlet outlet and in
order to avoid its triggering after a load of the domestic
hot water tank.
The connection of the exterior sensor is recommended (if it is not
the heat curve is calculated using the temperature read by the heat
pump air sensor).
Place the sensor on the coldest exterior wall of the building (usually
the north-facing wall). It must not be exposed to the morning sun.
It is preferred to mount the exterior sensor in the middle of the wall of
the building or of the heating zone, at least 2.5m above ground level.
Do not place the sensor:
- above windows, doors, air exhausts, or other heat sources,
- beneath balconies or gutters
To prevent mistakes in the temperatures measured due to air
circulation, insulate the extremities of the sensor’s electrical conduit.
Do not paint the exterior sensor.
4.4.3 - Exterior sensor
Note :
After connection, go to the «
DISPLAY
» menu and check that the
«
EXTERIOR
» screen appears with the value read by the probe.
If not, check the connection of the probe or the pilot connector.
Ensure that:
- All work carried out on the hydraulic circuits and the electrical
circuits are in compliance with the regulations in effect
(inspection by a qualifi ed professional)
- The pressure relief valve on the cold water inlet of the domestic
hot water tank is working properly and is properly connected
to a drain in complaince with the regulations in eff ect.
- All piping is watertight.
- All hydraulic connections are properly tightened.
- The correct voltage at the mains switch.
- All of the valves are open and nothing is obstructing the
circulation of water in the exchanger and in the hydraulic
circuit.
- The installation is equipped with a fi lter valve or a fi lter on its
inlet and that the fi lter is not clogged.
- The automatic air purger’s cap is open.
- The exterior sensor and the ambient temperature control (if
present on the installation) are connected properly.
-If using an ambient thermostat, ensure that it is actually being
used and set to be on demand (turn it to its maximum set point).
Once all of these checks have been done, turn on the heat pump
and
Pilot
.
5 - SET-UP
5.1 - Before set-up
Set-up must be done by a qualifi ed
professional.
Inspect the entirety of the hydraulic connections (nuts with washers,
toric joints or anything assembled with glue) which may loosen
during transport or during the installation process, and tighten if
necessary.
After pressurising the appliance, it is important to check the
watertightness (both visually and by any lowering of pressure) of
all internal and external connections.
Any deterioration of the appliance due
to a lack of watertightness renders the
warranty null and void.
5.2 - Check watertightness
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