Daikin Super Multi Plus E-Series FFQ50B8V1B User Manual

SiBE18-821_C BP Unit Control
Function 97
6.2.3 Full Closing of Electronic Expansion Valves
Purpose The electronic expansion valves are initialized when the power is turned on.
Detail The following processes are conducted.
1. Conducts P1 pulses close when power is turned on, and sets current opening to 0 pulse
(fully closing process).
2. Sends electronic expansion valve initialization signal to outdoor unit.
3. Closes the electronic expansion valve of each chamber (sets the electronic expansion valve
pulse to 0).
4. Stops transmission of electronic expansion valve initialization signal when EVH (bypass
electronic expansion valve) retightening is completed.
6.2.4 Control Based on EV Opening Command from Outdoor Unit
Purpose This function operates the electronic expansion valve based on EV opening command sent from
the outdoor unit.
Outline The electronic expansion valve operation based on EV opening command provides the
following functions.
1) Pressure equalization prior to startup
2) Startup control
3) Restart standby
4) Pump-down residual operation
5) Oil return operation
6) Defrosting operation
P 1
P 1
0
0
P 1
0
P 1
0
EVA
EVB
EVC
EVH
(M1047)
Power ON

Daikin Super Multi Plus E-Series FFQ50B8V1B Specifications

General

Brand	Daikin
Model	Super Multi Plus E-Series FFQ50B8V1B
Category	Air Conditioner
Language	English