Panasonic U-72MF2U9 Service Manual

Also see for U-120MF2U9: Installation instructions Operating instructions Installation instructions Technical data

Contents

3WAY VRF SYSTEMRemote Controller Functions4 - 221234567892. Detailed Settings Function1-3. Operating the High-spec Wired RemoteController (CZ-RTC3 / CZ-RTC5)START[ ]20:30 (THU)How to set the external static pressure1. Keep pressing the , andbuttons simultaneously for 4 or more seconds.The “Maintenance func” screen appears on theLCD display.Maintenance func1. Outdoor unit error data2. Service contact3. RC setting mode4.Test runSel. Page [ ] Confirm20:30 (THU)2. Press the or button to see eachmenu. If you wish to see the next screen instantly,press the or button.Select “8. Detailed settings” on the LCD displayand press the button.Maintenance func5. Sensor info.6. Servicing check7. Simple settings8. Detailed settingsSel. Page [ ] Confirm20:30 (THU)The “Detailed settings” screen appears on the LCDdisplay.Select the “Unit no.” by pressing the orbutton for changes.Detailed settingsUnit no. Code no. Set dataB03-1 0001Sel. Next20:30 (THU)3. Select the “Code no.” by pressing the orbutton.Change the “Code no.” to “B0” by pressing theor button (or keeping it pressed).Detailed settingsUnit no. Code no. Set data3-1 0001Sel. Next20:30 (THU)B04. Select the “Set data” by pressing the orbutton.Select one of the “Set data” among “0001” – “0015”according to the desired external static pressuresetting by pressing the or button.Then press the button.(See the table below.)When setting to auto airflow volume control:Select the setting data to “-002”.Then press the button.Indoor unit Item code7, 9, 12, 15, 18, 24 36, 48, 54B0External static pressure of the rated airflow volume0.60 in.WC (150 Pa) 0.60 in.WC (150 Pa) 00150.56 in.WC (140 Pa) 0.56 in.WC (140 Pa) 00140.52 in.WC (130 Pa) 0.52 in.WC (130 Pa) 00130.48 in.WC (120 Pa) 0.48 in.WC (120 Pa) 00120.40 in.WC (100 Pa) 0.44 in.WC (110 Pa) 00110.28 in.WC (70 Pa) 0.40 in.WC (100 Pa) 00080.24 in.WC (60 Pa) 0.28 in.WC (70 Pa) 00060.20 in.WC (50 Pa) 0.20 in.WC (50 Pa) 00050.12 in.WC (30 Pa) 0.12 in.WC (30 Pa) 00030.04 in.WC (10 Pa) 0.04 in.WC (10 Pa) 0001No auto airflow volume setting -001Auto airflow volume setting -0025. Select the “Unit no.” by pressing the orbutton and press the button.The “Exit detailed settings and restart?” (Detailedsetting-end) screen appears on the LCD display.Select “YES” and press the button.When the setting is completed, perform thetest run for the external static pressure settingdescribed in “Auto External Static Pressure SettingOperation”.Detailed settingsUnit no. Code no. Set data101-1 0001Sel. Next20:30 (THU)Exit detailed settingsand restart?NOYES