Panasonic U-4LE2E5 Service Manual & Test Run Service Manual page 37

9. Demand Control
10. Demand Control
(2) Energy Saving Button (CZ-RTC5A / CZ-RTC5B)
When the Energy Saving button of the indoor unit remote controller is pressed, demand control is performed
according to EEPROM : 1A values.
Setting of Energy Saving button: Outdoor unit EEPROM Setting item DN18, DN19
Energy saving operation when the Energy Saving button is pressed provides 3 patterns of control.
Patterns:
A. Demand control is performed under the current limitation values set at the outdoor unit EEPROM setting
(DN1A).
In addition, the indoor unit controls the limitation of discharge air temperature.
B. Demand control is performed under the current limitation values set at the outdoor unit EEPROM setting
(DN1A).
C. Discharge air temperature limitation control is performed set at the indoor unit EEPROM setting.
Outdoor unit EEPROM setting (DN18) :
The marking " " indicated in the following table is applicable to the function of control.
Setting No.
0
1
2
3
(Factory preset mode)
Outdoor unit EEPROM setting (DN19):
Setting of control validity range when pressing the Energy Saving button
Setting No.
0
(Factory preset mode)
1
* When the pattern "A" and "B" are selected, energy saving control becomes valid in the same range as
the setting "1" although the Setting No. is set to "0".
Discharge air
Demand
temperature
control
control
Energy saving activates where Energy Saving button is pressed as a unit of indoor
unit (group).
Energy saving activates where Energy Saving button is pressed as a unit of indoor
unit including all refrigerant system.
1 - 27
Control Functions - Outdoor unit
Remarks
No controls
Pattern "C": only discharge air temperature control
Pattern "B": only demand control
Pattern "A": demand control and discharge air
temperature control
Control range
2WAY VRF SYSTEM
Mini VRF SYSTEM
Control Functions
1