Carrier REFRIGERANT R-410A Installation And Service Instructions Manual page 29

Table 9E — Medium-Static Drive Data, 60 Hz — SI
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
Belt Pitch (mm)
FAN SPEEDS (r/s)
Factory Setting
Range
Max Allowable Speed (r/s)
1
Change per / Turn of
2
Moveable Motor Pulley
Flange
MAX FULL TURNS FROM
CLOSED POSITION
SHAFTS CENTER DISTANCE (mm)
†
Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.
Table 9F — High-Static Drive Data, 60 Hz — SI
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
Belt Pitch (mm)
FAN SPEEDS (r/s)
Factory Setting
Range
Max Allowable Speed (r/s)
1
Change per / Turn of
2
Moveable Motor Pulley
Flange
MAX FULL TURNS FROM
CLOSED POSITION
SHAFTS CENTER DISTANCE (mm)
†
It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 20 r/s.
40RUA*25 40RUA*28
40RUS*25 40RUS*28
109.2- 109.2-
134.6 134.6
3.0 3.0
239 239
36.5 49.2
1—B 2—B †
(2) 986
1062
(2) 1011
14.7 14.7
13.3-16.4 13.3-16.4
20.0 18.3
0.255 0.255
6 6
232-279 169-240
40RUA*25 40RUA*28
40RUS*25 40RUS*28
109.2- 109.2-
134.6 134.6
3.0 3.0
188 203 †
36.5 49.2
2—B 2—B
935 935
18.6 17.1
16.9- 14.6-
20.0 † 17.9
20.0 18.3
0.323 0.278
6 6
207-255 169-240
29
40RUA*30
40RUS830
109.2-
134.6
3.0
239
49.2
2—B †
(2) 986
(2) 1011
14.7
13.3-16.4
18.3
0.255
6
169-240
40RUA*30
40RUS*30
109.2-
134.6
3.0
203
49.2
2—B
960
17.1
14.6-
17.9
18.3
0.278
6
169-240