Piping Diagram
Samsung Electronics 239
Operation modes
ƒ Purpose
Classify operation modes to provide optimum performance to satisfy different user preferences.
ƒ Concept
Cooling, heating, dehumidifying, and fan modes
are provided, allowing users to control the indoor temperature and
humidity. Operation modes can be switched either automatically or manually. D
efrost and oil return modes are also avail-
able. These modes are used to maintain system performance.
ƒ Control specifications in detail
- How to turn on a mode : Select a mo
de via user input
- User input options: remote control, key options, Wi-Fi kit, centralized control, and external contact
- Available modes: Auto / Cooling / Heating / Dry / Fa
n / Defrost / Oil Recovery / Turbo
Fan speed, EEV regulating method, and set temperature range for each operation mode are shown below.
1) The fan speed is adjusted based on the difference (T) between the set temperature (Ts) and indoor temperature (Ti).
|Ts - Ti| ≤ 1 K 1 K < |Ts - Ti| ≤ 3 K 3 K < |Ts - Ti|
Low Mid High
2) The fan speed is automatically adjusted as shown below, irrespective of inputs on the remote control.
Relay fan Other fans
Low Low Low
Mode Fan speed EEV Set temp Remark
Auto
Fixed
Auto1)
Control 18-30ఁ User selection
Cooling
User input
Low, Mid, High, Auto
Control 18-30ఁ
User selection
Min.16ఁ for R
AC
Dry
Fixed
Auto2)
Control 18-30ఁ
User selection
Min.16ఁ for RAC
Heating
User input
Low, Mid, High, Auto
Control 16-30ఁ User selection
Turbo
Fixed
High, Turbo
Control U
nable
Operating for 30mins
then return to previous
Fan
User input
Low, Mid, High
Fixed
(Close)
- User selection
Defrost Stop
Fixed
(Open)
- System
Oil recovery
User input
Low, Mid, High, Auto
Control-System
7-3 Functions (cont.)
7-3-2-6 Indoor unit control
7-3-2 Control (cont.)