Panasonic U-4LE1E5 Service Manual

Also see for U-4LE1E5: Installation instructions Service manual Installation instructions Service manual Operating instructions

Contents

Panasonic U-4LE1E5 Service Manual Manual pdf 14 page image

1 - 81Mini VRF SYSTEMControl Functions3. Special Controls(2) Control in the Heating Mode(2-1) Discharge temperature: less than 30°C(2-2) Discharge temperature: over 30°CControl hourOutdoor unitCompressorElec. cont. valve*4Frequency 54Hz250pulse (Max. 3 minutes) 480pulse (Max. 17 minutes) 300pulse Max. 3 minutes)Indoor unitFanElec. cont. valve*4Preset wind speed or fixture setting to "Stop" by indoor unit control system480pulseMin. 2 minutes 30 seconds to Max. 23 minutes(Discharge degree-of-overheating: Td*1 - HPT*2>12 K*3)Control hourOutdoor unitCompressorElec. cont. valve*4Frequency 22HzA certain pulse calculated by the outdoor air temperature and total load of indoor unitIndoor unitFanElec. cont. valve*4Preset wind speed or fixture setting to "Stop" by indoor unit control system80pulseMin. 1 minute to Max. 6 minutes(Discharge degree-of-overheating: Td-HPT>12 K)*1*2*3*4Td: Discharge temperatureHPT: High pressure saturated temperatureK: Difference in temperature (1K=1°C)Elec. cont. valve: Electronic control valveNOTE