Samsung Electronics 268
Piping Diagram
Drain Pump Control
▪ Purpose
units.
▪ Concept
-
▪ Control specifications in detail
Condition(s) required to use the mode : The Drain Pump Option is used, or the model name
(Rem_Opt) is set to 1-Way, 2-Way, or 4-Way
Drain Pump ON : (Cooling or Auto cooling or Dehumidifying mode ON) and
(Outdoor Comp ON) and (Indoor unit Thermo-ON)
Thermo-ON
Thermo-OFF
Outdoor Comp ON
Outdoor Comp OFF
Detected by the Float S/W
Not detected by the Float S/W
Drain Pump ON
Drain Pump OFF
Cooling or Auto cooling or
Dehumidifying mode
Drain Pump OFF : (Operation OFF) or (Indoor unit Thermo OFF)
Thermo-ON
Thermo-OFF
Outdoor Comp ON
Outdoor Comp OFF
Detected by the Float S/W
Not detected by the Float S/W
Drain Pump ON
Drain Pump OFF
If 3-min delay option (Rem_Opt) is on
Cooling or Auto cooling or
Dehumidifying mode
▪ Notes
The drain pump activates if the Float S/W operates in heating mode
Outdoor Comp ON
Outdoor Comp OFF
Detected by the Float S/W
Not detected by the Float S/W
Drain Pump ON
Drain Pump OFF
Cooling or Auto cooling or
Dehumidifying mode
7-3 Functions (cont.)
7-3-2-6 Indoor unit control (cont.)
7-3-2 Control (cont.)
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