Lennox Mini-Split Service Manual / Page 121
Outdoor Unit Spot Check Function
There is a check switch in outdoor PCB.
Push the switch SW1 to check the states of unit when the unit is running. The digital display tube will display
the follow procedure when push SW1 each time.
Display Remark
0 Normal Display Display running frequency, running state or malfunction code
1
Quantity of indoor units in
good connection
Actual data
Display Number of indoor unit
11
22
33
2 Outdoor unit running mode Off:0,Fan only 1, Cooling:2, Heating:3, Forced cooling:4
3 A indoor unit capacity
The capacity unit is horse power. If the indoor unit is not connected,
the digital display tube will show: “――”
(9K:1HP,12K:1.2HP,18K:1.5HP)
4 B indoor unit capacity
5 C indoor unit capacity
6 D indoor unit capacity
7 E indoor unit capacity
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