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Panasonic WH-SDC0309K3E5 Manual De Instalación página 12

Unidad interior de bomba de calor de aire a agua

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CHARGING THE WATER
7
• Make sure all the piping installations are properly done before
carry out below steps.
1. Turn the plug on the Air Purge Valve 9 outlet anticlockwise by
one complete turn from fully closed position.
2. Set the Pressure Relief Valve c lever "DOWN".
Lever
Turn down
Pressure relief valve c
3. Start fi lling water (with pressure more than 0.1 MPa (1 bar)) to the
Indoor Unit via water inlet. Stop fi lling water if the free water fl ow
through Pressure Relief Valve drain hose.
4. Turn ON the power supply and make sure Water Pump f is
running.
5. Check and make sure no water leaking at the tube connecting
points.
6. The water may drip from this discharge hose. Therefore must guide
the hose without close or block the outlet of the hose.
RECONFIRMATION
8
Be sure to switch off all power supply before performing each of the below checkings.
Before obtaining access to terminals, all supply circuits must be disconnected.
CHECK PRESSURE RELIEF VALVE c
• Check for correct operation of Pressure Relief Valve c by turning
on the lever to become horizontal.
• If you do not hear a clacking sound (due to water drainage), contact
your local authorized dealer.
• Push down the lever after fi nish checking.
• In case the water keeps drained out from the unit, switch off the
system, and then contact your local authorized dealer.
12
Plug (turn
anticlockwise by
one complete turn)
Air purge valve 9
Pressure relief valve c
Pressure relief valve c
Lever
or
Turn down
Pressure relief valve c
WARNING
EXPANSION VESSEL b PRE PRESSURE CHECKING
[Upper limit water volume of the system]
The Indoor Unit has a build-in Expansion Vessel with 10 L air capacity
and initial pressure of 1 bar.
Total amount of water in the system should be below 200 L.
If the total amount of water is more than 200 L, please add expansion
vessel (fi eld supply).
The expansion vessel capacity required for the system can be
calculated from the formula below.
V =
1 -
V : Required gas volume <expansion vessel volume L>
Vo : System total water volume <L>
: Water expansion rate 5
P
: Expansion tank fi lling pressure = (100) kPa
1
P
: System maximum pressure
2
- ( ) Please confi rm at actual place
- The gas volume of the sealed type expansion vessel is presented by <V>.
 It's advised to add 10% margin for required gas volume of calculation.
Water expansion rate table
Water temperature (°C)
10
20
30
40
50
60
70
80
90
[Adjustment of the initial pressure of the expansion vessel when there
is a difference in installation height]
If the height difference between the Indoor Unit and the highest
point of the system water circuit (H) is more than 7m, please adjust
the initial pressure of the expansion vessel (Pg) according to the
following formula.
Pg= (H*10+30) kPa
CHECK RCCB/ELCB
Ensure the RCCB/ELCB set to "ON" condition before check RCCB/
ELCB.
Turn on the power supply to the Indoor Unit.
This testing could only be done when power is supplied to the Indoor
Unit.
Be careful not to touch parts other than RCCB/ELCB test button when the power is
supplied to Indoor Unit. Else, electrical shock may happen. Before obtaining access
to terminals, all supply circuits must be disconnected.
• Push the "TEST" button on the RCCB/ELCB. The lever would turn
down and indicate "0", if it functions normal.
• Contact authorized dealer if the RCCB/ELCB malfunction.
• Turn off the power supply to the Indoor Unit.
• If RCCB/ELCB functions normal, set the lever to "ON" again after
testing fi nish.
x Vo
98 + P
1
98 + P
2
60˚C = 0.0171
= 300 kPa
Water expansion rate
0.0003
0.0019
0.0044
0.0078
0.0121
0.0171
0.0228
0.0291
0.0360
WARNING

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