[ VII Microprocessor Control ]
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HWE1832A GB
VII Microprocessor Control
[1] Microprocessor Control
1. Cool operation
1. Thermo regulating function
(1) Thermo regulating function (Function to prevent restarting for 3 minutes)
Room temperature desired temperature + 2°F ···Thermo ON
Room temperature desired temperature ···Thermo OFF
(2) Anti-freezing control (Frost Prevention control of indoor unit)
Detected condition:
When BOTH conditions 1 and 2 have been meet, the indoor LEV will close to minimum Thermo OFF* position until released.
1) Indoor unit has been Thermo ON* in Cool/Dry mode for at least 16 min.
2) When the liquid pipe temp (TH22) or gas pipe temp (TH23) is 33.8°F or less, continuously for 3 min.
Released condition:
Anti-freezing control is cancelled when ANY one of the following conditions is satisfied, and an additional 3 minutes have
passed.
1) Liquid pipe temp (TH22) and gas pipe temp (TH23) are 50°F or above continuously for 1 min.
2) The condition of the Thermo OFF* has become complete by thermal-regulating (unit satisfies by set point).
3) The operation mode becomes a mode other than COOL or Dry.
4) The operation is stopped (unit is turned off).
5) Three min have passed from start of anti-freezing control.
*Thermo OFF = The IC coil is not actively cooling or heating.
*Thermo ON = The IC coil is actively cooling or heating.
Example:
<How to operate>
1. Press POWER [ON/OFF] button.
2. Press the [F1] button to display Cool.
3. Press the [F2] or [F3] button to set the desired temperature.
The set temperature changes 2°F when the [F2] or [F3] button is
pressed one time. Cooling 67 to 87°F
33.8°F
TH22
16 min after start cooling operation
3 min
4~6 min
Thermo OFF
Thermo ON
Thermo ON
Resume cooling operation
▪ [50°F or above (TH22 and TH23) for 1 min] and 3 min passed
or
▪ 6 min passed
33.8°F or less (TH22 or TH23) for 3 min
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