R410a Full DC Inverter Mini VRF MCAC-VTSM-2013-12
104 Troubleshooting
For example:
Press the button for 5 seconds:
If the “running” and “warning” lights are normally on, that means the address code is 9=(8＋1)
If the lights are blink, the address code should plus 16, so the address code is 25=16＋(8＋1)
Press the button for 10 seconds:
If the “timer” and “warning” lights are normally on, that means the capacity code is 5=(4＋1) and the capacity
of indoor unit is 71×100W(2.5HP).
2. If the signal is weak, connect a 120Ω resistor between P and Q of the farthest indoor unit, or connect a
0.5-1.5uF capacitor between P and Q of outdoor unit. Installation refers to the following picture:
Note:
Communication wires should be shield wire and indoor units should be connected in series.
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