02-04
Cancel conditions
Normal control
32rps fixed
(3) Limits the upper limit speed of the INV compressor according to the present high-pressure value.
(2) Heating starting process
At the start of heating, the compressor is started by the following process. Compressor start-up
to change the 4 way valve. Capacity control returns to normal control after the end of the starting process.
(target high-pressure control)
Starting process Starting process
Starting process
Starting process
3 minutes elapsed from start of process
or
High-pressure 2.63MPa
20 minutes elapsed from start of process
or
High-pressure 2.63MPa
or
Discharge SH 10 and Discharge temperature 10
[ a ] = 1.25 Low pressure value 2.125
High Pressure
3.60MPa
3.30MPa
(Maximum) 3.00MPa
Maximum speed = 80rps
Maximum speed = 90rps
Maximum speed = 95rps
Maximum speed = 100rps
[ a ]
< Starting process >
Compressor operates based on the required capacity at the start up, after that the target high-pressure
control begins.
*However, when the following condition (A) or (B) are satisfied, starting process is not performed.
< Conditions under which starting process is not performed >
(A) The compressor temperature 32 , when the room temperature reached to the setting temperature
( Thermostat - OFF controlling )
(B) The compressor temperature 32 , when the system keeps heating mode with stop condition
< Operation >
Compressor operation speed
4rps/Min
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