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Controller Operation
The controller supports the following functions:
a) Mode
:
Cool, Dry, Fan, Heat
b) Indoor fan speed
:
Auto, High, Medium, Low (* For 75/100 model only)
c) Sleep mode
d) Compressor protections:-
1. Comp 3 minutes restart protection
2. Indoor coil anti freeze
e) Room sensor and indoor coil sensor failure monitoring.
f) Non volatile memory – keep system settings
g) Programmable On/Off timer
h) Random restart to minimize voltage dip during compressor first cut in
cycle upon power up.
2
)
Hardware setting
A 2 way DIP switch, default setting as SW1 on, SW2 off.
CAUTION: DON’T CHANGE THE SETTING.
3) Power Up
Upon power up, system will retrieve the most recent settings and system status from the
non volatile memory as below:-
a) Mode e) Key lock status
b) Set temperature
(
F or C
)
f) System status
(
On/Off
)
c) Fan speed g) Temperature display option
d) Sleep
The above setting can be changed via wired control panel or remote handset. The latest
settings will be recorded into the memory.
Should the data in the non-volatile memory were invalid, system will start with the default
settings as follow:-
a) System status - Off d) Mode-Cool
b) Fan speed - High e) Key lock – off
c) Set temperature - 24 f) Temperature display- set temperature
4
)
Programmable Timer
Upon count down of the number of set hours, the system will switch from Off to On or On to
Off depending on its current status.
4
)
Programmable Timer
Upon count down of the number of set hours, the system will switch from Off to On or On to
Off depending on its current status.
5
)
Sleep mode (Set temperature will be increased)
Hour
Sleep on
0.5 1.0
2.0
Sleep off
Ts
Ts+0.5
Ts+1.0
Ts+2.0
8
Содержание KFDH100
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