Demand Control - Panasonic U-4LE1E5 Service Manual

15. Demand Control

15. Demand Control

15-1. Demand Control
Demand terminal block (optional CZ-CAPDC3) or Seri-Para I/O unit (optional CZ-CAPDC2) must be connected
in order to perform demand control.
The current limitation values can be set by changing either contact.
1
Demand terminal block
COM short circuit
Non
LV1
LV2
LV3
* The rated current indicates the current value that is listed in the catalog or service manual.
* In respect of connection method for demand terminal block and Seri-Para I/O unit, refer to the installation
instructions supplied with the units.
XX% is possible to change among 40 to 100% (5% interval scale) by the indoor unit EPROM.
*
[1A]: 100% at shipment / [1B]: 70% at shipment
* During setting in LV1-LV3,
It is also possible to make setting that the display (symbol of demand-activated) is concealed as shown
in the following table.
15-2. Demand Display Selection Function EEPROM : 1E
Outdoor Unit EEPROM Setting : The display mark for demand function is selectable by changing 1E as shown
EEPROM Setting
0
1
2
Seri-Para I/O unit
Contact 1 Contact 2
: Input present : Input not present
(demand-activated) displays on the remote controller of the indoor unit.
below.
No mark is displayed even in demand-activated mode.
When demand input is ON, demand-activated mark is displayed. (At factory shipment)
When demand is set to LV3 (forced thermostat OFF), demand-activated mark is display.
Control
No control
Operates to XX% [EEPROM:1A]
of the upper limit for the rated
current
Operates to XX% [EEPROM:1B]
of the upper limit for the rated
current
Forced thermostat OFF setting
Description
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Mini VRF SYSTEM
Mini VRF SYSTEM
Control Functions
Control Functions
Demand meaning
Operates to the maximum capacity.
Current is limited to the set values.
Current is limited to the set values.
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