Functions and control
7.1.5
˖
Protection function
7.1.5.1
˖
TTC high temperature-preventing protection
Once the machine is started, it can run TTC overheating protection of air-blowing, but air-blowing sensor
malfunction must alarm after 4 minutes during which the compressor is started (during the course of
self-detection, there’s no such limitation)
Sensor detection methods: 100 times (one cycle of procedure run is one time, and about 5ms, detection
method for each time: continuously sampling for 8 times, then order them and take the mean value of the
middle 2 values), take the mean value.
TTC
˄ć˅
Abnormal stop
115
Decreasing the frequency rapidly
˄
1HZ/second
˅
110
Decreasing the frequency slowly (1HZ/10seconds)
105
The frequency doesn’t change.
98
Increasing the frequency (1HZ/10second)
95
Increasing the frequency
˄
1HZ/1second
˅
TTC>=115
ć
lasts for 20 seconds. Overheating protection of air-blowing, alarm malfunction to the indoor,
others don’t last.
Domestic air conditioner
20
Summary of Contents for 1U26JACFRA
Page 13: ...Pinping diagrams Domestic air conditioner 4 Pinping diagrams Filter Filter 11 ...
Page 14: ... Operation range Domestic air conditioner 5ˊOperation range 12 ...
Page 34: ...Dimensional drawings 8 Dimensional drawings 9 Center of gravity 3 2 Domestic air conditioner ...
Page 45: ...Seivice diagnosis Domestic air conditioner 43 ...
Page 46: ...Seivice diagnosis Domestic air conditioner 44 ...
Page 47: ...Seivice diagnosis Domestic air conditioner 45 ...
Page 67: ...Circuit diagrams Domestic air conditioner 12 2 Module board Circuit Diagram 57 ...
Page 69: ...Wall Mounted Type DC Inverter FREE MATCH NEW40 Series SERIES NEW40 ...
