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Control Specification
SiBE041213E
37
Function and Control
3.3
Controls at Mode Changing / Start-up
3.3.1 Preheating Control
Outline
The inverter operation in open phase starts with the conditions of the preheating command from
the indoor unit, the outdoor temperature, and the discharge pipe temperature.
This control does not work on RXS42K2V1B.
Detail
Outdoor temperature
≥
A
°C
→
Control I
Outdoor temperature <
A
°C
→
Control II
Control I
ON condition
Discharge pipe temperature <
B
°C
OFF condition
Discharge pipe temperature >
C
°C
Radiation fin temperature
≥
90°C
Control II
ON condition
Discharge pipe temperature <
D
°C
OFF condition
Discharge pipe temperature >
E
°C
Radiation fin temperature
≥
90°C
3.3.2 Four Way Valve Switching
Outline
In heating operation, current is conducted, and in cooling operation and defrost control, current
is not conducted. In order to eliminate the switching sound as the four way valve coil switches
from ON to OFF when the heating is stopped, the OFF delay switch of the four way valve is
carried out.
Detail
OFF delay switch of four way valve:
The four way valve coil is energized for 150 ~ 160 seconds after the operation is stopped.
A
(°C)
B
(°C)
C
(°C)
D
(°C)
E
(°C)
RXS35/50K2V1B
–2.5
0
2
10
12
Summary of Contents for FTXS35K2V1B
Page 12: ...SiBE041213E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Page 14: ...SiBE041213E 3 Specifications Part 2 Specifications 1 Specifications 4...
Page 59: ...SiBE041213E Remote Controller 48 Part 5 Remote Controller 1 Remote Controller 49...
Page 129: ...Revision History Month Year Version Revised contents 05 2013 SiBE041213E First edition...