Table Of Functions And Operations - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701
2.3

Table of Functions and Operations

2.3.1 Cooling 1 (Control while Compressor is Stopped)
M1C
Compressor
[INV]
Outdoor unit fan M1F
Indoor unit fan MF
Electronic
expansion valve Y1E
(main)
Electronic
expansion valve Y2E
(subcooling)
Four way valve Y3S
Solenoid valve for
venting receiver Y2S
gas
Solenoid valve for
Y1S
hot gas
Remarks
2.3.2 Cooling 2 (Startup Control / Control During Operation)
M1C
Compressor
[INV]
Outdoor unit fan M1F
Indoor unit fan MF
Electronic
expansion valve Y1E
(main)
Electronic
expansion valve Y2E
(subcooling)
Four way valve Y3S
Solenoid valve for
venting receiver Y2S
gas
Solenoid valve for
Y1S
hot gas
Remarks
Function and Operation
"Restart standby" Thermostat OFF standby
0Hz (*1) 0Hz (*1)
"Restart standby" 0 Step
No instruction No instruction
0 0
0 0
OFF (*2) OFF (*2)
OFF OFF
OFF OFF
After "Restart standby,"
between outdoor unit in
3 minutes after the
operation = ON and
compressor stops
outdoor unit thermostat
ON = OFF
*1: In the instruction on inverter compressor frequency, 0 Hz indicates K2 (magnetic contactor for inverter
compressor) is ON, OFF indicates K2 (magnetic contactor for inverter compressor) is OFF.
*2: While the compressor is stopped when heating is switched to cooling, the previous state is maintained.
"Startup control"
Basic operation
"Low pressure protection
control"
"High pressure protection
control"
"Discharge pipe
"Startup control" temperature protection
control"
"Inverter current
protection control"
"Control by inverter fin
temperature"
"Cooling operation low
"Startup control"
outdoor air control"
"Startup control (Indoor
"No instruction"
unit fan)"
"Startup control"
"Discharge pipe
"Electronic expansion
temperature protection
valve fixed open degree
control"
control"
"Startup control"
OFF (*1)
OFF
ON
*1: When the four way valve is ON, switch the four way valve.
While compressor is stopped
In normal operation
OFF (*1)
0 Step
No instruction
OFF (*2)
OFF
OFF
Outdoor unit in operation
= OFF
Compressor in operation
Protection control Basic operation
"Compressor step
control"
7 steps
"Steady control (indoor
unit fan)"
"Electronic expansion
valve control"
"Subcooling electronic
expansion valve control"
OFF
OFF
OFF
Outdoor Unit
"Pressure equalization
control before startup"
0Hz (*1)
"Pressure equalization
control before startup"
"Pressure equalization
control before startup"
(Indoor unit fan)
0
0
OFF (*2)
OFF
ON
10 seconds at the earliest
Up to 1 minute
In normal operation
Protection control
"Low pressure protection
control"
"High pressure protection
control"
"Discharge pipe
temperature protection
control"
"Inverter current
protection control"
"Control by inverter fin
temperature"
"Cooling operation low
outdoor air control"
"Outdoor unit fan control"
"Discharge pipe
temperature protection
control"
"Low pressure protection
control"
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