Mitsubishi Heavy Industries SCM71ZM-S1 - (15) Regulation of outdoor air flow; (16) Serial signal transmission error protection; (17) Rotor lock; (18) Outdoor fan motor protection

(15) Regulation of outdoor air flow
(a)The fan operates as follows according to the compressor command speed. (Except during defrost operation.)
Cooling Heating
Compressor speed (rps) Less than 31
More than 66
78 or more
but 78 or less
Outdoor fan speed
6th speed5th speed
More than 31
but 66 or less
4th speed3rd speed
Less than 31
More than 46
56 or more
but 56 or less
6th speed5th speed
More than 31
but 46 or less
4th speed3rd speed
◆Models SCM71, 80
(b) If the outdoor unit’s fan speed drops, the outdoor fan is run for 1 minute at that speed.
(16) Serial signal transmission error protection
(a) Purpose:
(b) Detail of operation:
(17)
Rotor lock
(18)
Outdoor fan motor protection
(19)
Outdoor fan control at low outdoor temperature
Cooling
1)
(a)
Operating conditions:
2) Detail of operation:
3) Reset conditions:
Outdoor air temperature > 10˚C
Outdoor air temperature
<
=
10˚C
Outdoor fan
Outdoor air temperature > 16˚C
Outdoor air temperature
<
=
16˚C
Lower limit speed
Tho-A
Tho-R
Tho-R
3rd
Tho-A
Models SCM71, 80
min
-1
(i)
a
b
Tho-R
c
a
b
-
temperature
Lower
-
201
-
'17 • SCM-T-225