Panasonic UX09 E5 series Installationshandbuch Seite 76

ADJUST WATER FLOW RATE WITH WATER PUMP 2
Before adjust the water fl ow rate, make sure that the total water volume
in the installation is 50 litres minimum for heating side. The default Water
Pump 2 speed is SPEED 4. Adjust the water fl ow rate according to
connected outdoor unit model.
Please ensure the fl ow rate is not less than 13 L/min and not more than
50 L/min. The available external static pressure (kPa) in function of the
water fl ow rate (L/min) is shown in the P-Q graph. Depend on the hydraulic
system pressure loss and type, the water fl ow rate can be adjusted by
Control Panel 1.
When
1. the Tank Unit is in stop operation, press SERVICE button for 5
seconds.
2. Press / button to select menu S02 (PUMP SPEED ADJUST MODE)
and press SET button to confi rm the menu.
3. Press SELECT button then press / button to change pump speed
and press SET button to confi rm the pump speed.
4. Press OFF/ON button to exit PUMP SPEED ADJUST MODE.
During PUMP SPEED ADJUST MODE, we can select AIR PURGE function
by pressing FORCE button. In AIR PURGE function, the pump will operate
ON and OFF for 15 minutes to purge the air in the hydraulic system. AIR
PURGE function will end after complete OR press the FORCE button
again, and it will return back to PUMP SPEED ADJUST MODE.
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RESET OVERLOAD PROTECTOR a
Overload Protector a a serves the safety purpose to prevent the water
over heating. When the Overload Protector a a trip at high water
temperature, take below steps to reset it.
1. Take out the cover.
2. Use a test pen to push the centre button gently in order to reset the
Overload Protector a.
3. Fix the cover to the original fi xing condition.
MAINTENANCE
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In order to ensure safety and optimal performance of the Tank Unit,
seasonal inspections on the Tank Unit, functional check of RCCB/ELCB,
fi eld wiring and piping have to be carried out at regular intervals. This
maintenance should be carried out by authorized dealer. Contact dealer
for scheduled inspection.
Maintenance for Water Filter Set
1. Turn OFF power supply.
2. Set the two valves for the Water Filter Set 6 to "CLOSE".
3. Take off the clip, then gently pull out the mesh. Beware of small amount
water drain out from it.
4. Clean the mesh with warm water to remove all the stain. Use soft brush
if necessary.
5. Reinstall the mesh to the Water Filter Set 6 and set back the clip on it.
6. Set the two valves for the Water Filter Set 6 to "OPEN".
7. Turn ON power supply.
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WATER FLOW RATE (L/min)
Use test pen to push
this button for reset
Overload protector a.
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Maintenance for Anode Bar
To protect the tank body an anode bar is placed inside the tank. The Anode
Bar 7 will corrode, depending on the water quality. When diameter is
approximate 8 mm the anode must be replaced. Examine it ONCE IN A
YEAR.
1. Turn off power supply.
2. Close water supply valve.
3. Manually open the Plugs (at Tube Connector i & j) and drain
approximate 2 litres.
4. Take off the the Top Plate i with the 19 mounting screws.
Be careful do not drop the Top Front Plate g.
5. Unscrew the Anode Bar 7 (covered by insulator), check and if
necessary replace.
• The Anode Bar 7 can be removed to provide visual inspection access
to the cylinder.
Maintenance for Pressure Relief Valve (Field Supply)
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It is strongly recommended to operate the Pressure Relief Valve (fi eld
supply) regulary to ensure it is not blocked and remove lime deposits.
PROPER PUMP DOWN PROCEDURE
WARNING
Strictly follow the steps below for proper pump down procedure. Explosion
may occur if the steps are not followed as per sequence.
1. When the Tank Unit is not in operation (standby), press the
"SERVICE" switch on the Control Panel 1 to enter SERVICE mode.
Operate the system in Sr : 01 mode for pump down operation.
2. After 10~15 minutes, (after 1 or 2 minutes in case very low ambient
temperatures (< 10°C)), fully close 2 way valve on Outdoor Unit.
3. After 3 minutes, fully close 3 way valve on Outdoor Unit.
4. Press the "OFF/ON" switch on the Control Panel 1 to stop pump
down operation.
5. Remove the refrigerant piping.
CHECK ITEMS
Is the Tank Unit properly installed on the concrete fl oor?
Is there any gas leakage at fl are nut connections?
Has the heat insulation been carried out at fl are nut connection?
Is the Pressure Relief Valve d operation normal?
Is water pressure higher than 0.05 MPa?
Is the water drainage work properly done?
Is the power supply voltage within the rated voltage range?
Is the cables being fi xed to RCCB/ELCB and terminal board
fi rmly?
Is the cables being clamped fi rmly by holder (clamper)?
Is the earth wire connection properly done?
Is the RCCB/ELCB operation normal?
Is the Control Panel 1 LCD operation normal?
Is there any abnormal sound?
Is the heating operation normal?
Is the Tank unit water leak free on test run?
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