Table of Contents Limited Warranty Specifications Ballasts Lighthead Installation and Operation Lamp replacement General Information Lamp life and indications for replacement Relamping procedure Opening the lighthead Closing the lighthead Dome, Cowl and Reflector removal and installation Ballast Drawings Single/Dual Ballast Outline Twin Ballast Outline Twin Ballast Assembly Assembly Endcap...
Limited Warranty: DeepSea Power & Light warrants that the goods (except internal electronic components) sold under this contract will be free from defect in material and workmanship for a period of one year from the date of shipment from the factory, if they have been properly used. Internal electronic components are warranted for 90 days from the date of shipment from the factory, if they have been properly used.
Specifications: Ballasts: MECHANICAL: See drawings on pages 17 and 18 Single ballast Dual ballast Case material Titanium 6AL-4V Titanium 6AL-4V Length 12.7 in (32.3 cm) 21.8 in (55.4 cm) 5.8 in (14.7 cm) 5.8 in (14.7 cm) Diameter Air weight 21.06 lb (9.56 Kg) 34.25 lb (15.54 kg) Water weight...
Lighthead: MECHANICAL: See drawing on page 22 Lighthead body: Titanium 6AL-4V Dome retaining cowl: Delrin Dome: Borosilicate glass Length: 10.8 in (31.5 cm) Diameter: 5.3 in (16.5 cm) Air weight: 8.5 lb (3.86 kg) Water weight: 3.15 lb (1.43 kg) ENVIRONMENTAL: Depth rating: 19,680 ft (6000 m)
Installation and Operation Assembly: 1. Remove the protective connector cover on the ballast end-cap. 2. Plug the lighthead to ballast interconnect cable into the lighthead. 3. Plug the other end of the interconnect cable into the ballast output connector. 4. Plug the ballast power cable into the ballast input connector. 5.
Lamp Replacement General Information It is important when opening the lighthead for servicing to take all reasonable steps to ensure that the work is carried out in a clean dry stable environment. It is useful to have a selection of clean plastic bags readily at hand for storage of parts.
RELAMPING PROCEDURE Opening the Lighthead Disconnect the ballast power and ballast to lighthead interconnect cables. Remove the lighthead from the vehicle and take to a clean, dry work area. Place a protective dummy plug on the connector. Using a 1/4" pin diameter spanner wrench, place the spanner pin in one of the 1/4" holes in the lighthead body (where the lighthead head and lighthead body join).
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Figure 2 Place the lighthead head in a clean zip lock bag and set aside. Remove the lamp Warning: When handling the HMI lamp, wrap the lamp in several layers of clean dry paper towel to protect against injury in the event that the lamp shatters or breaks. The lamp fits tightly in the socket and there is some risk of breakage during removal.
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Lamp handling Notes HMI lamps must be absolutely clean prior to use. Fingerprints or other contaminants on the quartz envelop will damage the lamp when it becomes hot. Substances such as sodium and potassium diffuse into the hot quartz and cause divitrification of the glass. In turn, the glass may become opaque and brittle and may blister or crack.
Visually inspect the lamp inside the sealed plastic bag before opening. Do not break the seal on the plastic bag if the lamp is broken or damaged. Wrap the bulb with a clean, dry paper towel. Holding the lamp by the paper towel carefully seat the lamp so that it bottoms out in the socket.
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Figure 8 Carefully align the lighthead body such that the lamp passes cleanly through the hole in the parabolic reflector in the head assembly. See figure 9. Figure 9 If possible, dry nitrogen purge the inside of the lighthead for one minute before engaging the threads of the two assemblies.
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Figure 10 Screw the pieces together. Verify that the bore seal Teflon back up ring is on the low pressure side (towards threads) of the 2-142 O-ring and that it stays in its groove and does not catch as it enters the bore during assembly. Ensure that the 2-039 O-ring is in place and does not get pinched as the head section bottoms against the body section.
Dome, Cowl and Reflector removal and installation: 1. Remove cowl from lighthead body. 2. Remove snap ring from cowl. 3. Remove Monel mesh from around reflector.
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4. Remove old reflector then install new reflector. 5. Ensure everything is absolutely clean and dry inside the cowl, dome and reflector. Reagent grade alcohol may be use for cleaning. Any residue left inside the lighthead will result in smoke which will coat the internal components and cause the lighthead to overheat. 6.
Appendix: Ballast Dimmer / Enable Option HMI 400W Ballast Dimmer/Enable Option The Dimmer/Enable option provides a 2-wire, isolated, low voltage interface to control the ballast. The Dimmer option allows the user to reduce the light output to adjust for changing filming conditions, or to reduce power consumption when full light output is not critical.
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If power is applied to the ballast, it will have a 400w output, even if there is no current in the control pins (+ and - dimmer/enable). Varying the control current between 16-32mA will vary the ballast output between 400W and 200W, respectively. Note that in the range 0-16mA, the ballast will have a 400W output.
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CONTROLLER PCB The following description is a specification of an optional controller PCB which frees the user from the need to generate the control currents for the ballast. The PCB can control a single or dual ballast. The PCB converts a logic level enable input (5V = ENABLE), and a 0-10V dimmer input (0V = 400W, 10V =200W) into the appropriate current in the Dimmer/Enable control lines.
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