Rapid-Air PALLET MASTER (PMDH): PMDH35 & PMDH50. 115VAC, 1PH, 60HZ - Manual (Page 13)

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RAPID-AIR CORPORATION
RAMM
SOLID STATE
DC MOTOR
SPEED CONTROL
SAFETY WARNING—PLEASE READ CAREFULLY
This product should be installed and serviced by a qualified technician, electrician or electrical
maintenance personnel familiar with its operation and the hazards involved. Proper installation
(see instruction information which accompanies product), which includes wiring, mounting in
proper enclosure, fusing or other over current protection and grounding, can reduce the chance
of electrical shocks, fires or explosion in this product or products used with this product, such
as electric motors, switches, coils solenoids and/or relays. Eye protection must be worn when
working with control under power. This product is constructed of materials (plastics, metals,
carbon, silicon, etc.) which may be a potential hazard. Individual material safety data sheets
(MSDS) are available upon request. Proper shielding, grounding and filtering of this product
can reduce the emission of radio frequency interference (RFI) which may adversely affect sen-
sitive electronic equipment. If information is required on this product, contact our factory. It is
the responsibility of the ultimate user of this product to read and comply with this safety warn-
ing. (SW effective 1/89)
***IMPORTANT***
YOU MUST READ THESE INSTRUCTIONS BEFORE OPERATING CONTROL
1. Be sure AC line voltage corresponds to control voltage.
2. Install the correct Plug-In Horsepower Resistor according to armature voltage and motor
horsepower.
3. Recheck connections: AC line to L1 and L2; armature to A+ and A– and field (Shunt mo-
tors only to F+ and F-.) (Note: If motor runs in improper direction, interchange armature
leads.)
4. Install proper AC line fuse and armature fuse as required.
5. Nominal trim pot settings are as follows (expressed in % of full CW rotation):
TABLE 1: NOMINAL TRIM POT SETTINGS
MIN (minimum speed): 15% CL (current limit/torque): 65%
MAX (maximum speed): 65% ACCEL (acceleration start): 20%
IR (IR compensation): 25% DECEL (deceleration stop): 20%