Daikin 2MXU40GV1B User Manual

Control Specification SiBE12-908
47 Function and Control
3.10 Liquid Compression Protection Function 2
Outline In order to obtain the dependability of the compressor, the compressor must be stopped
according to the conditions of the temperature of the outdoor air and outdoor heat exchanger.
Detail

Operation stops depending on the outdoor air temperature.
Compressor operation turns OFF under the conditions that the system is in cooling operation
and outdoor air temperature is below 10°C.
3.11 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 its fixed value when finishing.
Detail 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 30 minutes of accumulated fine pass since the start of the
operation or ending the defrosting.
Conditions for Canceling Defrost
The judgment must be made with heat exchanger temperature. (40 class : 4°C~12°C, 50 class :
4°C~15°C)
(R10618)
Frequency
Compressor
Four way valve
Fan
Operating room
electronic expansion
valve opening
Operation stopped room
electronic expansion
valve opening
ON
OFF
ON
OFF
ON
OFF
0 Hz
60 sec.
120 sec.
530 sec.
30 sec.
PI control
5 sec. 5 sec.
120 sec.
450 pulse
140 pulse
350 pulse
40 class: 160 pulse
50 class: 200 pulse
450 pulse
0 pulse
Initial opening
Initial opening
40 class: 350 pulse
50 class: 300 pulse

Daikin 2MXU40GV1B Specifications

General

Brand	Daikin
Model	2MXU40GV1B
Category	Heat Pump
Language	English