69
SW2 setting
Display detail
Explanation for display
Unit
Controlling status of compressor
operating frequency
1
ON
2 3 4 5 6
Code
display
The following code will be a help to know the
operating status of unit.
Display Compressor operating frequency control
Display Compressor operating frequency control
Primary current control
Secondary current control
1
2
1
4
8
2
•
The tens digit
•
The ones digit (In this digit, the total number of
activated control is displayed.)
Preventive control for excessive temp-
erature rise of discharge temperature
Preventive control for excessive temp-
erature rise of condensing temperature
Frosting preventing control
Preventive control for excessive temp-
erature rise of radiator panel
(Example)
The following controls are activated.
• Primary current control
• Preventive control for excessive tempe-
rature rise of condensing temperature
• Preventive control for excessive tempe-
rature rise of radiator panel
1a
LED
:
– 40~90
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
(Example)
When –10°C; 0.5 secs. 0.5 secs. 2 secs.
10
1
ON
2 3 4 5 6
Liquid pipe temperature (TH32)
– 40~90
– 39~88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
:
1
ON
2 3 4 5 6
Indoor pipe temperature / Liquid
(TH2(4))
Indoor 4
– 39~88
– 39~88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
:
1
ON
2 3 4 5 6
Indoor pipe temperature / (Cond./Eva.)
(TH5(4))
Indoor 4
– 39~88
Indication for performing status of unit
replacement operation
•The ones digit
Every time the unit replacement oper-
ation is performed by using SW8-2 for
2 hours, the number "1" is displayed.
However, the operation less than 2
hours is not counted, and the number
"0" is displayed.
•The tens digit
When specified time of unit replace-
ment operation has been performed
by using outdoor unit, the number "1"
is displayed. (The number gets back to
"0" when performing replacement
operation by using SW8-2.)
1
ON
2 3 4 5 6
•The ones digit
1: Performed
0: Not performed
•The tens digit
1: Specified time of replacement operation
completed
0: Now performing replacement operation
—
OC338B-3.qxp 06.7.11 10:55 AM Page 69
