Heating Peak-Cut Control - Daikin 2MXS40H2V1B Service Manual

Control Specification
4.7

Heating Peak-cut Control

Outline During heating operation, the indoor heat exchanger temperature determines the frequency
upper limit to prevent abnormal high pressure.
Detail
A (°C)
B (°C)
C (°C)
D (°C)
E (°C)
97
The operating frequency is judged with the indoor heat exchanger temperature 2 minutes
after the operation starts and
The maximum value of the indoor heat exchanger temperature controls the following
(excluding stopped rooms).
B˚C
C˚C
D˚C
Indoor heat exchanger
thermistor temperature
Zone
Stop zone When the temperature reaches the stop zone, the compressor stops.
Dropping zone The upper limit of frequency decreases.
Keep zone The upper limit of frequency is kept.
Up zone The upper limit of frequency increases.
Reset zone The upper limit of frequency is canceled.
65
55
54
52
50
seconds after the number of operation room is changed.
F
Control
F (seconds)
When increase
When decrease
SiBE121123_A
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R14645)
30
2
Function and Control