Panasonic WH-ADC0916G9E8, Service Manual, Page: 99 / 205

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15.6 Expansion Vessel Pre Pressure Checking
For Space Heating / Cooling

Expansion Vessel with 10 L air capacity and initial pressure of 1 bar is installed in this Tank Unit.

Total amount of water in system should be below 200 L. (Inner volume of Tank Unit’s piping is about 5L)

If total amount of water is over 200 L, please add another expansion vessel. (field supply)

Please keep the installation height difference of system water circuit within 10 m.
15.7 How to Unlock Cool Mode
1.
Press buttons SET and SERVICE for 5 seconds.
2. Press SELECT button.
3. Unlock COOL mode with ▲ / ▼ .
4. Press SET button.
15.8 Dry Concrete [SERVICE MODE: 03]

If Dry Concrete has been set, Dry Concrete status can be activated and monitored by following procedure.
1 Press SERVICE button for 5 seconds.
2 Press
▲ to enter menu Sr: 03 and press SET button to activate Dry Concrete function.
3 Press OFF/ON button to quit setting.
15.9 EEPROM Factory Default Data Setup Procedure
1 This process should be done at Gemstar (and/or) PAPAMY as the last process after any inspection.
2 This condition should be activated by pressing combination of few SW's for certain time as shown.
These 3 SW's should press continuously for 5secs.
(Operation should be OFF during this period)
3 When this condition is activated, default data should be written in EEPROM.
4 Once the default data is written in the EEPROM, the following full LCD display should be ON for 2secs for
confirmation. After 2secs, it goes back to normal display.