Carrier 40RU 25, Руководство пользователя

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Table 21 — Medium-Static Drive Data, 60 Hz — SI
UNIT
40RUA*25
40RUQ*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
Motor Drive
Motor Pulley Pitch Diameter
(mm)
109.2-134.6 109.2-134.6 109.2-134.6
Pulley Factory Setting
Full Turns Open
3.0 3.0 3.0
Fan Drive
Pulley Pitch Dia (mm) 239 239 239
Pulley Bore (mm) 36.5 49.2 49.2
Belt No. — Section 1 — B 2 — B
a
NOTE(S):
a. Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting.
2 — B a
Belt Pitch (mm) 1062
(2) 986
(2) 1011
(2) 986
(2) 1011
Fan Speeds (r/s)
Factory Setting 14.7 14.7 14.7
Range 13.3-16.4 13.3-16.4 11.2-13.9
Maximum Allowable Speed (r/s) 20.0 18.3 18.3
Change Per 1/2 Turn of
Moveable Motor Pulley
Flange
0.255 0.255 0.255
Maximum Full Turn From Closed
Position
6 6 6
Shafts Center Distance (mm) 232-279 169-240 169-240
Table 22 — High-Static Drive Data, 60 Hz — SI
UNIT
40RUA*25
40RUQ*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
Motor Drive
Motor Pulley Pitch Diameter
(mm)
109.2-134.6 109.2-134.6 109.2-134.6
Pulley Factory Setting
Full Turns Open
3.0 3.0 3.0
Fan Drive
Pulley Pitch Dia (mm) 188 203 203
Pulley Bore (mm)
36.5 49.2 49.2
Belt No. — Section 2 — B 2 — B 2 — B
Belt Pitch (mm)
935 935 960
Fan Speeds (r/s)
Factory Setting
18.6 17.1 17.1
Range 16.9-20.0
a
NOTE(S):
a. It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 20 r/s.
14.6-17.9 14.6-17.9
Maximum Allowable Speed (r/s)
20.0 18.3 18.3
Change Per 1/2 Turn of
Moveable Motor Pulley
Flange
0.323 0.278 0.278
Maximum Full Turn From Closed
Position
6 6 6
Shafts Center Distance (mm) 207-255 169-240 169-240