andrews PAC15 Handbook page 20

The PAC22MK3 has a third (higher) fan
speed which is ONLY used when the PAC
is fitted to optional ducting. The switch is
situated in the electric box and is
accessed by removing the upper back
panel. It needs to be set to the 3 position.
2
3
B
Use of the switch in this position 3 without
ducting fitted will result in failure of the
PAC, causing blown fuses or burning out
of the fan motor.
Page 20
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