Si01-501 Control Specification of R60D Model
Defails of Functions 43
3.4 Controls at Mode Changing / Start-up
3.4.1 Preheating Operation
Outline Operate the inverter in the open phase operation with the conditions including the preheating
command from the indoor, the outdoor air temperature and discharge pipe temperature.
Detail Preheating ON Condition
When outdoor air temperature is below 10.5°C and discharge pipe temperature is below
10.5°C, inverter in open phase operation starts.
OFF Condition
When outdoor air temperature is higher than 12°C or discharge pipe temperature is higher
than 12°C, inverter in open phase operation stops.
3.4.2 3 Minutes Stand-by
Prohibit to turn ON the compressor for 3 minutes after turning it off.
3.4.3 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency must be set as
follows.
3.5 Discharge Pipe Temperature Control
Outline The discharge pipe temperature is used as the compressor's internal temperature. If the
discharge pipe temperature rises above a certain level, the operating frequency upper limit is
set to keep this temperature from going up further.
Detail Divide the Zone
Management within the Zones
FCG 3
FCG 2
FCG 1
85
70
55
Zone Control contents
Stop zone When the temperature reaches the stop zone, stop the compressor and
correct abnormality.
Drooping zone Start the timer, and the frequency will be drooping.
Keep zone Keep the upper limit of frequency.
Return / Reset zone Cancel the upper limit of frequency.
A
B
C ˚C
D ˚C
(R4836)
A
B
C
D
120
111
109
107
Keep zone
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