Panasonic U-20ME1E81, Service Manual

Page: 40 / 177

2WAY SYSTEM
Control Functions
-
Outdoor Unit
1 - 32
1
10. Upper Current Limitation Mode
2WAY SYSTEM
Control Functions-Outdoor Unit
10. Upper Current Limitation Mode
Limit value
Limited ratio against standard value
Outdoor Unit
Even if the demand control is not performed, upper current limitation is restricted.
10-2. Upper Current Limitation Mode
hp = horsepower
unit: Amp.
Cooling mode
Heating mode
8 hp
130%
11.6
11.4
10 hp
130%
16.8
16.5
12 hp
130%
20.0
19.6
14 hp
130%
23.4
22.6
16 hp
130%
28.3
27.4
18 hp
130%
31.2
31.6
20 hp
130%
36.7
36.0
10-3. When Using Demand Terminal Block
Demand terminal block must be connected in order to perform the demand control.
(It is also possible to connect the optional Seri-Para I/O unit (optional CZ-CAPDC2) and setup the system.)
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 DRM1 - DRM3, (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 unit.
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
Seri-Para I/O unit
Demand terminal block
COM short circuit
Non
DRM3
DRM2
DRM1
Contact 1 Contact 2
No control
Operates to 100% of the upper
limit for the rated current
Operates to 70% of the upper
limit for the rated current
Control
Forced thermostat OFF setting
Demand meaning
Operates to the maximum capacity.
Current is limited to the set values.
Current is limited to the set values.
SM830204-05_2WAY SYS.indb 32 2015/01/21 17:00:04