Toshiba HFCR407C - Outline of control; Outdoor unit

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Outline of control
Outdoor unit
Operation start/Operation end
The compressor, solenoid valve, pulse motor valve (PMV), outdoor fan, etc. are controlled by a command from the indoor
controller. The slave outdoor unit starts/stops by a command from the master outdoor unit.
Operation signal from indoor
Inverter drive
Outdoor fan output
Fixed-speed Mg-SW output
Each solenoid valve output
4-way valve output (OFF in cooling time)
PMV A output
Operation start
Operation stop
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
ON or OFF
(By command from indoor)
ON or OFF
2 minutes
30 seconds
Specified opening
Full
close
Full
close
Thermostat ON/Thermostat OFF
Operation signal from indoor
Inverter drive
Outdoor fan output
Fixed-speed Mg-SW output
Each solenoid valve output
4-way valve output (OFF in cooling time)
PMV A output
Thermostat ON
Thermostat OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON or OFF
(By command from indoor)
ON or OFF
2 minutes
30 seconds
Specified opening
Full
close
Full
close
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