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SW2 setting
Controlling status of compressor
operating frequency
ON
1
2 3 4 5 6
Liquid pipe temperature (TH32)
– 40~90
ON
1
2 3 4 5 6
Indoor pipe temperature / Liquid
(TH2(4))
ON
Indoor 4
– 39~88
1
2 3 4 5 6
Indoor pipe temperature / (Cond./Eva.)
(TH5(4))
ON
Indoor 4
– 39~88
1
2 3 4 5 6
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.
ON
•The tens digit
When specified time of unit replace-
1
2 3 4 5 6
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.)
Display detail
69
Explanation for display
The following code will be a help to know the
operating status of unit.
•
The tens digit
Display Compressor operating frequency control
1
Primary current control
Secondary current control
2
•
The ones digit (In this digit, the total number of
activated control is displayed.)
Display Compressor operating frequency control
Preventive control for excessive temp-
1
erature rise of discharge temperature
Preventive control for excessive temp-
2
erature rise of condensing temperature
4
Frosting preventing control
Preventive control for excessive temp-
8
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
– 40~90
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example)
When –10°C; 0.5 secs.
– 39~88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
– 39~88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
•The ones digit
1: Performed
0: Not performed
•The tens digit
1: Specified time of replacement operation
completed
0: Now performing replacement operation
LED
1a
0.5 secs. 2 secs.
10
Unit
Code
display
:
:
:
—
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