DHR DHR420RCB User manual
Den Haan Rotterdam
TECHNICAL MANUAL
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420RCB Searchlight and Control System
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Den Haan Rotterdam
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Den Haan Rotterdam
Safety notes:
• Turn power off before inspection, installation or removal
• Keep combustible materials away from lamp
• Do not exceed 105% of rated voltage
• Allow lamp/fixture to cool before handling
• Do not use the searchlight if outer glass is scratched or broken
Damage due to inappropriate handling is
not covered by the warranty.
© Copyright, Den Haan Rotterdam B.V.
Version 1.3 Nov. 2017
This document contains proprietary information that is protected by copyright.
All rights reserved.
!
4Version 1.3 Nov. 2017
Den Haan Rotterdam
FOREWORD
Den Haan Rotterdam is a family company respected in 1922. Started as a small tinsmith, it has evolved
into a globally respected producer of navigation lights, searchlights, air horns and a wide range of nautical
lamps made from copper and brass. By introducing products with advanced LED-technology, DHR has
safeguarded a visibly safe future for marine vessels in all weather conditions.
With the addition of the brand new 420RCB searchlight, DHR completes her line of searchlights with a
product designed for heavy duty applications. A perfect solution for tugs, workboats, cargo vessels or even
larger inland vessels, this type of searchlight is easy in use and made for the job. Installation is straight-for-
ward, due its well-thought mechanical and electrical design. As it is the feather-weight among the compe-
tition, positioning and mounting of the 420RCB will be done in an instant. The effort of any maintenance
actions, is reduced to a minimum
DHR believes that the 420RCB-series certainly adds value to the shipowner. An impressive optical system in
combination with a robust and compact design, makes it a unique, distinctive and high-quality searchlight.
DEN HAAN ROTTERDAM B.V.
D.M. Den Haan
Managing Director
QUALITY STANDARDS
Excellent Optics
Maintenance Friendly
Remote Focus Control
Light Weight Construction
IP66 Water Ingress Protection
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Den Haan Rotterdam
TABLE OF CONTENTS
1. Mounting instructions 6
2. Maintenance 8
3. Specifications 9
4. Dimensions Searchlight 11
5. Photos Searchlight 13
6. Dimensions control panel 15
7. Wiring diagram searchlight 16
8. Wiring diagram control panel 17
9. Wiring diagram dual control panel 18
10. Wiring diagram switches / digital 19
11. Spare parts 20
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Den Haan Rotterdam
1. MOUNTING INSTRUCTIONS
Mounting the panel
Place the control panel inside the wheelhouse, where it is protected against weather influences. The housing
is especially constructed to be flush mounted in an instrument cabinet according the illustration below.
The minimum space needed behind the panel is 60 mm. (depth)
Searchlight installation
Install the searchlight in a horizontal upright position with sufficient space around the head of the search-
light to ensure it can move freely. The dimensions can be found on page 9.
Warning!
Den Haan Rotterdam accepts no responsibility for any damage if the searchlight is installed
incorrectly and/or used improperly. When in doubt consult a qualified electrical technician.
90
90
92
92
75
75
!
Bolt M10x (60 + M)
Insulation sleeve
Lantern base
Insulation sleeve
Washer M10
Mounting plate Min. 5 mm
Nut M10
M
All dimensions in mm
Fasteners
• The permissible torque should be 8 Nm
• Use only A4-grade stainless steel
Caution!
Even though the housing is made of corrosion resistant materials, galvanic corrosion may still occur. To
prevent galvanic corrosion use the supplied insulation sleeves to isolate the aluminium housing from
other metal parts.
4 x Ø10
162,5
162,5
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Den Haan Rotterdam
Electrical installation
Install the electrical wiring according to the wiring diagrams showing at pages 11 - 14. Keep the distance
between the power supply and halogen lamp as short as possible. Long wires will increase a voltage drop
near the halogen lamp, which affects the light output.
Cable glands
ØD
Preferred cable diameter D is 7 - 12 mm
Cable too tight!
This gives unwanted stress at the sealing of the
cable gland and water ingress will occur.
Include cable slack at the entering
point of the cable gland
Replacing cable gland
• Use gasket between housing
and cable gland
• Tighten firmly (6Nm) with
wrench
Remove the plug before placing the cable.
If no cable is connected leave the plug in place!
Note
The cable glands on the searchlight prevent water ingress. Do not use (electrical) tape to cover the
cable where it enters the cable gland as this will cause water ingress. Do not use a rubber or shrink-
able cover on the cable gland to improve water tightness.
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Den Haan Rotterdam
2. MAINTENANCE
Lamp replacement
1. Switch off the main power
Caution – hot lamp. Let the lamp cool down for at least 10 minutes before proceeding maintenance.
2. Open de back lid by turning the four quarter turn latches to the right
3. Slide the mirror bracket out the drum
4. Remove the lamp from the lampholder
5. Ensure that the replacement lamp is of the same type
6. Take a clean cloth to place the new lamp in the lampholder
Do not touch the lamp with bare fingers, remove any fingerprints with a cloth and alcohol and rub it dry
7. Close the drum
8. The searchlight is ready for use
Preventive maintenance
Clean the searchlight with clean water regularly. Do not use any aggressive cleaning agents. At least twice
a year rub the dirt wiper, on top of the motor housing (see drawing below), in with silicone grease.
Safety notes
• Handle with care
• Turn off main power
• Warning, lamp is hot
• Do not touch the lamp with bare hands
!
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Den Haan Rotterdam
3. SPECIFICATIONS
Searchlight
Model DHR420 Remote control
Dimensions
Height 876 mm
Width 530 mm
weight 30 kg
Electrical
Lamp voltage 230 VAC
Lamp wattage 2000 Watt
Control voltage 24 VDC
Preferred cable type H07RN-F
Cable diameter Ø 6-12 mm
Optics
Mirror Parabolic mirror reflector Ø 420 mm
Range 1225 m
Focus (Beam angle at 50%) From 6,5 ° up to 20°
Luminous intensity 1.500.000 cd
Bulb
Model Osram 64788 CP/72
Luminous flux 52.000 lm
Rated lamp voltage 230/240 V
Rated lamp wattage 2000 Watt
Average life-time 400 h
Color temperature 3200 K
Base GY16
Heater
Type PTC-heater
Voltage 24VDC
Maximum wattage 70 W
Motor Unit
Tilt + 20° / - 25°
PAN 340°
Speed left / right approx. 16 or 32°/ sec
Speed up / down approx. 1,6 or 3,2° / sec
Housing
Material Chromated seawater resistant aluminium
Finish UV resistant powder coating - White RAL9016
Front glass Hardened glass
Sealings Silicone / Neoprene, black
Cable gland M25x1.5
Operating temperature - 25° / + 40° C
Ingress protection class IP66 c/w Membrane vent
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Den Haan Rotterdam
Control panel
Model PAN2016
Dimensions
Depth 110 mm
Width 110 mm
Weight 0,25 kg
Electrical
Voltage 24 VDC
Maximum wattage 5 W
Fuse ( 2x) T5A
Electrical insulation class III
Housing
Front Aluminium, anodized
Operating temperature 0° / + 40° C
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