Daikin CTX Series, Руководство по обслуживанию

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DAMA-SM-21-003 Control Specification
Functions and Control 41
3.9 Liquid Compression Protection Function
Outline In order to increase the dependability of the compressor, the compressor is stopped according
to the outdoor temperature.
Details
Operation stops depending on the outdoor temperature.
The compressor turns off under the conditions that the system is in cooling operation and
outdoor temperature is below X°C (X°F).
X refer to table below based on models
3.10 Defrost Control
Outline Heat Pump Only
Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor
heat exchanger temperature must be more than its fixed value when finishing.
Details Conditions for Starting Defrost
The starting conditions must be made with the outdoor air temperature and heat exchanger
temperature. Under the conditions that the system is in heating operation, 6 minutes after the
compressor is started and more than 45 minutes of accumulated time pass since the start of the
operation or ending the defrosting.
Conditions for Canceling Defrost
The judgment must be made with heat exchanger temperature. (4°C-15°C) or (39.2°F to 59°F)
18
Temperature (°C) 0
18
Temperature (°F) 32
Class
Time (sec) Pulse
A B C D E F G H
18 60 120 30 650 330 480 480 400
Frequency
Compressor
Four way valve
Fan
Initial opening
5sec. 5sec.
0Hz
0Hz
A
B
C D
PI control
E
F
G
H
ON
OFF
ON
OFF
ON
OFF
Electronic expansion
valve opening
DAMA-SM-21-003 -Inverter Multi Split-CTX Series.book Page 41 Wednesday, September 1, 2021 5:44 PM