Hitachi RUA-NP13ATS, Инструкция по эксплуатации

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10
FAN SPEED ADJUSTMENT REMOVING SHIPPING WASHERS
For Model RUA-NP20ATS For Models RUA-NP25ATS and RUA-NP30ATS
Fig. 7-2. Adjustable Motor Pulley
Table 1-2. Fan Speed Adjustment
Models
X
：
Regulation Space of Motor Pulley (mm)
PD
：
Pitch Diameter of Motor Pulley (mm)
Factory Set
Point
RPM/Turn
X 0 1 2 3 4 5 6 7 8 X RPM PD
RUA-NP20ATS
PD 132.0 128.7 125.2 122.2 118.9 115.7 112.4 109.1 105.8
6.0 780 112.4 46
RPM 920 895 870 850 830 805 780 760 740
RUA-NP25ATS
PD 150.0 146.9 143.7 140.5 137.3 134.1 131.0 127.7 124.6
7.5 860 126.1 43
RPM 1020 1000 980 960 940 915 895 870 850
RUA-NP30ATS
PD 150.0 146.9 143.7 140.5 137.3 134.1 131.0 127.7 124.6
4.0 940 137.3 43
RPM 1020 1000 980 960 935 915 895 870 850
RPM: Fan Speed (rpm)
PD : Pitch Diameter of Motor Pulley (mm)
RPM/Turn : Fan Speed Change per One Turn of Movable Motor Pulley
5. REMOVING SHIPPING WASHERS
These compressors are mounted on rubber isolators,
and are held rigidly during shipment by two sets of
shipping washers. Before compressor starting,
remove the yellow-painted shipping washers, the
compressor should float freely on the rubber
isolators.
a b c
31 28 8
a b c
41 38 10
Fig. 8. Removing Shipping Washers