Standard Operation Sequence - York HIC4008B21S Engineering Manual

2.11.2 Standard Operation Sequence

■ Cooling Operation
The sequence may be different depending on the outdoor unit model to be connected. Refer to the "Outdoor
Unit Engineering Manual" for details.
■ Dry Operation
The sequence may be different depending on the outdoor unit model to be connected. Refer to the "Outdoor
Unit Engineering Manual" for details.
■ Heating Operation
The sequence may be different depending on the outdoor unit model to be connected. Refer to the "Outdoor
Unit Engineering Manual" for details.
■ Automatic Cooling and Heating Operation
It is applicable only for the Heat Recovery System.
Auto Cooling/Heating
> Set Temp.
■ Defrosting Operation
The sequence may be different depending on the outdoor unit model to be connected. Refer to the "Outdoor
Unit Engineering Manual" for details.
TC-17005-rev.1
Operation
I.U. Air
< Set Temp.
Intake
Temp.
Cooling
Mode
I.U. Air
Intake
> Set Temp.
Temp.
< Set Temp.
Fan
Mode
> Set Temp. + 1 F
o
I.U. Air
(0.5 o C)
Intake
Temp.
< Set Temp. - 3 o F
(2 o C)
4-WAY CASSETTE
I.U.: Indoor Unit
Heating
Mode
I.U. Air
Intake
< Set Temp.
Temp.
> Set Temp.
Fan
Mode
< Set Temp. - 1 F
o
I.U. Air
(0.5 o C)
Intake
Temp.
> Set Temp. + 3 o F
(2 o C)
2-15