• More than 1 masters are allowed in a group. Masters can control commutatively.
2.B COMPUTER MANAGEMENT SYSTEM
• You can connect a group of units to your computer management system through the RS-485 converter.
You need install the special software in your computer. The software can change the unit running
parameters and check the unit working parameters. Detailed information can be found in Appendix 1.
2.B AIR CONDITIONER ON/OFF
There are 3 ways to turn the system on or off:
• by programmable timer on the handset or wall pad controls.
• by ON/OFF button on the handset or wired wall pad.
• by manual control button on the air conditioner.
2.D POWER ON SETTING
• When power on signal is received by the air conditioner, the Mode, Fan Speed, Set Temperature and
Swing settings will be the same as the last handset settings before the last power off.
2.E COOL MODE
• If Tr >= Ts+1 °C, cool operation is activated. MTV2 is turned on. AUX2 is closed. Indoor fan runs at set
speed.
• If Tr <= Ts, cool operation is terminated. MTV2 is turned off. AUX2 is opened. Indoor fan runs at set
speed.
• The range of Ts is 16 to 30 °C
• Indoor fan speed can be adjusted for low, medium, high and auto.
• When turned on, MTV2 requires 30 seconds before it is fully open.
•
When turned off, MTV2 requires 120 seconds before it is fully closed.
•
When the unit is turned off, indoor fan will delay for 5 seconds before it is turned off.
2.E.1. Protection of indoor coil
• If Ti2 < 2 °C for 2 minutes, MTV2 is turned off. AUX2 is opened. If indoor fan is set for low speed, it will
run at medium speed. If it is set for medium or high speed, it will keep running at the same speed.
• When Ti2 ≥ 5 °C for 2 minutes, MTV2 is turned on. AUX2 is closed. Indoor fan runs at set speed.
2.F FAN MODE
• Indoor fan runs at the set speed while MTV1 and MTV2 is turned off. AUX1 and AUX2 are opened.
• Indoor fan speed can be adjusted for low, medium, high and auto.
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