Daikin RTSQ20PY1 User Manual

SiBE31-801_C Startup Control
Function 88
5.2 Startup Control in Heating Operation
Actuator Symbol
Elect.
symbol
Pressure
equalization
control
before startup
Startup control
STEP1 STEP2
Compressor 1
—
M1C
0 Hz 52 Hz+OFF+OFF
52Hz+OFF+OFF+2STEP / 20
sec.
(Until it reaches
Pc-Pe>0.39 MPa)
Compressor 2 M2C
Compressor 3 M3C
Outdoor unit fan 1
—
M1F
STEP4 20SA=ON: STEP7 20SA=ON: STEP7
Outdoor unit fan 2 M2F
Electronic expansion
valve (Main)
EVM Y1E 0 pls 20SA=ON: SH Control 20SA=ON: SH Control
Electronic expansion
valve (Subcooling)
EVT Y3E 0 pls 0 pls 0 pls
Electronic expansion
valve (Refrigerant
charge)
EVJ Y2E 80 pls 80 pls 80 pls
Solenoid valve
(Refrigerant regulator gas
purging pipe)
SVG Y1S OFF OFF OFF
Four way valve
(Heat exchanger switch)
20SA Y3S ON ON ON
Solenoid valve
(Refrigerant regulator
liquid pipe)
SVL Y4S OFF OFF OFF
Solenoid valve (Hot gas) SVP Y5S OFF OFF OFF
Solenoid valve (Main
bypass)
SVE Y6S OFF OFF OFF
Solenoid valve
(Refrigerant regulator
discharge pipe)
SVO Y7S OFF OFF OFF
Solenoid valve
(Refrigerant regulator
discharge pipe)
SVT Y8S OFF OFF OFF
Four way valve (High/low
pressure gas pipe switch)
20SB Y2S OFF OFF OFF
Ending conditions
A lapse of 60
sec.
A lapse of 15 sec.
• A lapse of 90 sec.
• Pc - Pe>0.39 MPa
OR

Daikin RTSQ20PY1 Specifications

General

Brand	Daikin
Model	RTSQ20PY1
Category	Heat Pump
Language	English