Starting Control - Daikin SkyAir Service Manual

Frequency Regulating Functions
4.2

Starting Control

Starting control

When compressor start up, the starting frequency is fixed for specified period of time at low
frequency to prevent returning of refrigerant.
64
RZQ71~140C7, RZQS71~140C7
Compressor
Electronic
expansion valve
Outdoor unit fan
Indoor unit fan
(Thermostat OFF)
(Remote controller OFF)
Pressure
Pressure
equalizing
equalizing
complete
start
Pressure equalizing
control before
compressor start Starting control
• RZQ71C7, RZQS71·100C7
Cooling or
• RZQ100~140C7, RZQS125·140C7
Heating(<25˚C)
65 pls
Heating(>25˚C)
480 pls
8 Step ON
(Cooling Ta≤40˚C, Heating Ta>26˚C)
OFF
(Cooling Ta>40˚C, Heating Ta<26˚C)
Set fan speed (Cooling)
LL (Heating)
OFF
10~120 sec.
Starting
control
complete
118.5Hz
112Hz
L (Cooling)
M
L
(Heating)
Functional Description
SiBE28-804