High Pressure Protection Control - Daikin RXL-W Series Service Manual

SiUS092231E
5.6

High Pressure Protection Control

Outline
In order to prevent abnormal high pressures in the system and hence avoiding activation of the high
pressure safety device the below control function will be activated.
Details
Part 4 Functions and Control
High Pressure
Protection
Control
Condensing
temperature
Heating
Peak- cut
control
Normal operation
HPS ≥ 4.15 MPa (602 psi)
Compressor on
Compressor stop
(E3/E5 indication)
Stopped 4 times
in 60 minutes
Abnormal stop
(E3/E5 indication)
Pressure
Indoor heat exchanger
temperature
Control Specification
4.15 MPa (602 psi)
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
82