Demand Control - Panasonic U-4LE1E5 Service Manual

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.
Demand terminal block
COM short circuit
Non
LV1
LV2
LV3
: Input present
* 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 No mark is displayed even in demand-activated mode.
1 When demand input is ON, demand-activated mark is displayed. (At factory shipment)
2 When demand is set to LV3 (forced thermostat OFF), demand-activated mark is display.
Seri-Para I/O unit
Contact 1 Contact 2
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
: Input not present
(demand-activated) displays on the remote controller of the indoor unit.
below.
Control
Description
1 - 21
Mini VRF SYSTEM
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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