Panasonic U-4LE1E5, Service Manual, Page: 27 / 133

1 - 21
1
Mini VRF SYSTEM
Control Functions
15. Demand Control
15-1. Demand Control
15-2. Demand Display Selection Function EEPROM : 1E
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.
* The rated current indicates the current value that is listed in the catalog or service manual.
During setting in LV1-LV3, (demand-activated) displays on the remote controller of the indoor unit.
*
*
*
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.
Outdoor Unit EEPROM Setting : The display mark for demand function is selectable by changing 1E as shown
below.
[1A]:100% at shipment / [1B]:70% at shipment
It is also possible to make setting that the display (symbol of demand-activated) is concealed as shown
in the following table.
: Input present : Input not present
EEPROM Setting
0
1
2
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.
Description
Seri-Para I/O unit Demand terminal block
COM short circuit
Non
LV1
LV2
LV3
Contact 1 Contact 2
No control Operates to the maximum capacity.
Operates to XX% [EEPROM:1A]
of the upper limit for the rated
current
Current is limited to the set values.
Operates to XX% [EEPROM:1B]
of the upper limit for the rated
current
Current is limited to the set values.
-
Control Demand meaning
Forced thermostat OFF setting
SM830195-01̲Mini VRF SYS.indb 21 SM830195-01̲Mini VRF SYS.indb 21 2011/12/20 16:31:05 2011/12/20 16:31:05