Upper Current Limitation Mode (Demand Control) - Panasonic U-8MF2E8 Service Manual

10. Upper Current Limitation Mode (Demand control)

There are 2 types of control; demand control and infinity limit in the upper current limitation mode.
Either of them is controlled by the lower current limitation.
The standard value of the limit current is listed in the table below.
Cooling mode
1 Heating mode
Mixed mode (Cooling/Heating)
10-1. Demand Control
Serial-parallel I/O must be connected in order to perform demand control.
The below input is received by serial-parallel I/O, and demand control is performed.
The demand values can be set as needed with serial-parallel I/O.
Upper current limitation setting
Contact 1
: Input present
: Input not present
* The rated current indicates the current value that is listed in the catalog or similar material.
* XX and YY are able to set in EEPROM of main outdoor unit.
EEPROM setting in main outdoor unit
CODE: 1A
Setting No.
0
40
45
100
140
-1
It is able to display the present condition on the remote controller.
EEPROM setting in main outdoor unit
CODE: 1E
Setting No.
0
1
2
8 hp
8.6 A
8.95 A
8.95 A
Contact 2
No control (Operates to maximum capacity)
Operates to XX% of the upper limit for the rated current.
Operates to YY% of the upper limit for the rated current.
Always in stop condition
XX
0
40
45
Interval of "5"
100 (factory preset mode)
140
No control
No display
Information is displayed when input of demand control is set (factory preset mode).
Information is displayed only when the capacity is restricted by demand control.
10 hp 12 hp
11.3 A 15.1 A
11.6 A 14.7 A
11.6 A 15.1 A
Control
CODE: 1B
Setting No.
0
40
45
70
140
-1
1 - 38
3WAY SYSTEM
Control Functions
14 hp 16 hp
19.2 A 22.0 A
17.0 A 20.4 A
19.2 A 22.0 A
hp = horsepower
YY
0
40
45
Interval of "5"
70 (factory preset mode)
140
No control