Samsung Electronics 262
Piping Diagram
Auto Change Over
▪ Purpose
units.
▪ Concept
-
It is possible to adjust the Auto Changeover condition according to the value of installation option 2.
▪ Control specifications in detail
1. Initial operation mode determination
If Tr < Ts – A + 1 K
Auto Cooling Auto Heating
2. Mode change
Cooling → Heating Heating → Cooling
Thermo off for T & Tr < Ts - D
3. Thermo On/Off
In cooling mode In heating mode
Thermo off : Tr < Ts + B – 1 K
Thermo on : Tr < Ts - A – 1 K
- Install Option 2 value
Symbol Function 0 1 2 3 4 5 6 7
A Offset the set heating temp 0 0.5 1 1.5 2 2.5 3 3.5
B Offset the set cooling temp 0 0.5 1 1.5 2 2.5 3 3.5
C Change the mode (heat → cool) 1 1.5 2 2.5 3 3.5 4 4.5
D Change the mode (cool → heat) 1 1.5 2 2.5 3 3.5 4 4.5
T T time 5 7 9 11 13 15 20 30
7-3 Functions (cont.)
7-3-2-6 Indoor unit control (cont.)
7-3-2 Control (cont.)
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