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Function test and test run
During operation of the system,
operating parameters can be called
up on the outdoor component's
display.
The following parameters are
displayed successively:
RXT 521-1401DC
- Frequency of the compressor
- Operating mode
- Fan speed
- Current cooling / heating output
- Condenser sensor actual
temperature
- Hot gas sensor actual temperature
- Air intake sensor actual temperature
- Outdoor component actual power
consumption
- Degree of opening of the
electronic expansion valve
(RXT 521-1401 DC only)
- Last fault code. 00 = no fault
- Applied voltage
To call up the operating parameters,
proceed as follows:
1.Remove the cover from the
outdoor component.
2.Switch on all indoor units and
select cooling mode and the
highest fan speed.
Frequency gauge
Air-intake-sensor temperature
Condenser sensor temperature
Operating mode
Fan operating mode
Cooling/heating output for OC/IU
Display Frequency (Hz)
30 30
-- Standby
60 60
Display OC mode
0 Standby
2 Cooling mode
3 Heating mode
4 Forced cooling
Display Fan mode
0 Off
1 Low speed
2 High speed
Display Cooling output
1 2.0-2.5 kW
2 2.5-3.0 kW
3 3.0-3.8 kW
4 3.8-5.0 kW
5 5.0-5.5 kW
6 5.5-6.1 kW
Display Temperature
10 35-40 °C
11 40-45 °C
12 45-50 °C
13 50-55 °C
14 55-60 °C
15 60-65 °C
16 65-70 °C
Display Temperature
15 -7.5 °C
20 -5.0°C
25 -2.5°C
30 0°C
35 2.5°C
40 5.0°C
45 7.5°C
50 10.0°C
55 12.5°C
60 15.0°C
65 17.5°C
70 20.0°C
75 22.5°C
80 25.0°C
85 27.5°C
90 30.0°C
95 32.5°C
99 34.5°C
Outdoor component power
consumption
Display
Power
consumption
44 6.0 A
46 6.2 A
54 7.4 A
55 7.6 A
58 7.8 A
62 8.0 A
66 8.6 A
67 8.8 A
68 9.0 A
70 9.2 A
72 9.5 A
76 10.0 A
78 10.2 A
80 10.4 A
82 10.6 A
84 11.0 A
88 11.6 A
92 12.0 A
94 12.2 A
Check key
Display
On the display on the outdoor
component PCB, you can call up
the operating parameters of the
system in the above order. In order
to do so, press the check key
located next to the display on the
OC circuit board.
Hot gas sensor temperature
Display Temperature
10 35-40 °C
11 40-45 °C
12 45-50 °C
13 50-55 °C
14 55-60 °C
15 60-65 °C
16 65-70 °C
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