Daikin 2AMX40G3V1B User Manual

Control Specification SiBE121123_A
99 Function and Control
4.10 Defrost Control
Outline Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor
heat exchanger temperature must be more than a certain value to finish.
Detail Conditions for Starting Defrost

The starting conditions is determined with the outdoor temperature and the outdoor heat
exchanger temperature.

The system is in heating operation.

The compressor operates for 6 minutes.

More than 30 minutes of accumulated time pass since the start of the operation, or ending
the previous defrosting.
Conditions for Canceling Defrost
The target heat exchanger temperature as the canceling condition is selected in the range of
E°C according to the outdoor temperature.
Frequency
Compressor
Four way valve
Fan
ON
OFF
ON
OFF
ON
OFF
0 Hz 0 Hz
5 sec.
450 pulse450 pulse
Initial opening
0 pulse
pulse
140 pulse
Initial opening
PI control
5 sec.
30 sec.60 sec.
530 sec.
120 sec.
(R18387)
40 class
70
86
350
160
4 ~ 12
50 class
48
64
300
200
4 ~ 15
(Hz)
(Hz)
(pulse)
(pulse)
(˚C)
Outdoor electronic
expansion valve opening
(operating room)
Outdoor electronic
expansion valve opening
(stop room)
A Hz
pulse
C
D
B
Hz
A
C
D
E
B

Daikin 2AMX40G3V1B Specifications

General

Brand	Daikin
Model	2AMX40G3V1B
Category	Air Conditioner
Language	English