KENPRO KR-250 Rotator Antenna Rotation Controller Instruction Manual
- June 4, 2024
- KENPRO
Table of Contents
KENPRO KR-250 Rotator Antenna Rotation Controller
GENERAL
The KENROTOR KR-250 antenna rotator is designed to support and rotate TV and FM antenna. Directional control and indication is provided by an automatic control unit. When it is necessary to mount more than 0.5 meters above the rotator, KS-050 Thrust bearing is recommended, and it is used to prevent side thrust overload to the rotator upper mast 8upport. one of KENROTORS KR-400, KR-600 or KR-2000. For large TV/FM antenna or heavy-duty service, we recommend When installing the antenna, follow the instructions given carefully for highly dependable long-1ife performance. Careless or erroneous mounting might result in poor durability.
SPECIFICATIONS
- Input voltage
- Power Consumption
- Motor voltage
- Rotation Time 117/230VAC 50/60 Hz. 37VA
- Split Phase. 24VAC
- Approx. 52 sec./50Hz. 43 sec./60Hz.
- Mechanical
- End-of-Rotation Stopper.
- Rotation Torque
- Stationary Brake Torque
- Rated Continuity Operation Time 200kg cm. (170 lbs. – in. ) 600kg cm. (520 1bs. – in. ) 5 minutes
- Permissible Mast size
- 25-38mm diameter. (1-1kinch diameter)
- Cable 6 conductor cable
- Dimensions Control Box 176x85x31 5mm
- Rotator:315m (H) x142mn diameter (Max.)
- Control Box 1.1 kg. : 1.8 kg.
- Weight Rotator
OPERATION LAMP
INSTALLATION
Prepair 6 conductor control cable as occasion demand and push in the cable to the hole of lower mast clamp as illustrated Fig. 1. connect wires to each corresponding terminals of the rotator and controller. Prior to mounting the rotator on the mast, it is well to check the operation of both the rotator and controller box wired for each of the six connections using the recommended wire size and length.
RECOMMENDED WIRE SIZE IS AWG 24 AT LESS THAN 100 FEET IN LENGTH. AND IP NECESSARY LENGTH MORE T: IAN 100 FEET, MORE BIGGER WIRE THAN AWG 24 IS RECOMMENDED.
-
* CABLE CONNECTION MAST BE CONNECT TO SAME TERMINALS NUMBERS BETWEEN ROTATOR AND CONTROLLER.- TO AVOID SHORT- CIRCUIT, KEEP A CABLE BY THE HOLDER.
- After assuring that operation is correct, return rotator to full North counter-clockwise. Also, assuring that the control cable has been tightly connected with terminals of the rotator, tied up lower mast clamp to the rotator and fix a mast with the cl amp by “U” bolt. on that occasion, don’t forget to install guy bracket for tall mast installation. In the same manner to the installation of the lower clamp, fix the upper mast clamp to the rotator and mount an antenna. In mounting the antenna, be certain that receiving side of the antenna is pointed to compass North and sufficient slack is provided in the lead-in to allow 360o rotation from North through West, South, East, and back to North. It is suggested that a stand-o ff insulator be placed as illustrated in
- Mast-Top Installation
- Inside Tower Instal1lation
GUY WIRING
It is recommended that tall mast installations be guyed to stabilize the
system and help prevent wind damage. in plan view on ideal. method of
guying.
OPERATION
Plug a cord into an AC power outlet of the correct voltage depending on the contro1 box model. Press the power switch to “ON”, the pilot lamp illuminates and the rotator moves to the same direction of the knob and stops. operation lamp illuminates during rotator is moving. When the knob turns to desired clockwise or counter-clockwise, the rotator synchronizes with the control unit and stops at the knob position. When operating the rotor for many hours, the thermostat in the motor comes into action and stops rotation automatically. In such a case, rest the rotor for a while and operate again
ADJUSTMENT
Turn the knob to Eull counter-clockwise. And after rotation stops, if motor noise is still heard in the rotator, or the 1ight of operation lamp remains on, adjust “B” pot until they are gone out. Turn the knob to full 360 clockwise. if the rotator does not rotate full 360 positions, adjust the “A” pot until reaches the exact 360° position
MODEL KR-250 ROTOR
PARTS NUMBER AND LOCATION
- Gear Base Ass ‘y
- Shaft Holder
- Potentiometer
- Motor
- Motor Pinion
- M4x8 Screw
- Gear Ass’y (#2)
- Gear Ass’y (#3)
- Gear (#1)
- Gear (#4)
- Pot Gear
- VR Gear
- ‘E’ Ring
- ‘E’ Ring
- Internal Gear
- 6P Terminal Board
- Case Housing
- 3×6 Screw
- Limit Lever
- Shaft Holder (t#2)
- Cover Housing
- M4x14 Screw
- Mast support Plate
- M5x12 Bolt
- Cable Holder
- Cable Holder Serew
- Upper Mast clamp
- Bottom Mast Clamp
- Grommet
- M5x16 Bolt
- ‘U’ Bolt
- M6 Washer
- M6 Spring Washer
- M6 Nut
WARRANTY
TOYOMURA ELECTRONICS Co., LTD. warrants the KR-250 Antenna Rotator to be free from defects in materials arising from normal usage. Its obligation under this warranty is limited to replacing, or at its option repairing the rotator which, after regular installation and under normal usage and the validity of this warranty is for ONE YEAR from the date of original consumer purchase. The ob1 ligation of ToYOMURA ELECTRONICS CO., LTD. does not include either the making or the furnishing of any labor in connection with the installation of such repaired responsibility for any transportation expense. This warranty does not extend if the model KR-250 antenna rotator has been subjected to misuse neglect accident, interconnect wiring, improper installation or to use in violation of the instructions furnished by us, nor does it extend to units that have been repaired or altered outside our service department, nor to units used with accessories not manufactured or recommended by us.