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DX18 Dimmable Hybrid Fixtures - Installation, Operation & Maintenance Guide

Models:  420624, 420625, 420626

www.aquaticlife.com

1

Thank you for purchasing an Aquatic Life 

T5HO Dimmable Hybrid Fixture.

When maintained properly, this unit will provide you with years 

of service. Your dimmable fixture features a 0-10 Volt input for 

use with an optional controller. This will allow you to adjust the 

brightness of the T5HO lamps.  

In addition, the power cord uses a C14 type connector, making it 

easy to switch the type of power outlet plug or extend the length 

of the cord.

The HEP

®

 brand ballasts work with 100-277 V, 50-60 Hz electric 

and use end-of-life protection to prevent bad lamps from lighting. 

We test each fixture ballast prior to shipping the fixture.

 

If lamps do not work in your fixture, refer to the 

troubleshooting section of this guide.

WARNING: 

Please read carefully before proceeding with 

installation. Your failure to follow any attached instructions and 
operating parameters may lead to the product’s failure.

A)  READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
B)  DANGER –

 To avoid possible electric shock, special care should be taken 

since water is employed  in the use of aquarium equipment. For each of the 

following situations, do not attempt repairs by  yourself; return the appliance to 

an authorized service facility for service or discard the appliance: 
  1)  If the appliance falls into the water, 

DON’T reach for it! 

   

First unplug it and then retrieve it.  If electrical components of the 

   

appliance get wet, unplug the appliance immediately.  

   

(Non-immersible equipment only)

  2)   If the appliance shows any sign of abnormal water leakage,

 

   

immediately unplug it from  the power source. (Immersible 

   

equipment only)

  3)  Carefully examine the appliance after installation. It should not be

 

   

plugged in if there is  water on parts not intended to be wet.

  4)  Do not operate any appliance if it has a damaged cord or plug, or if it

 

   

is malfunctioning  or has been dropped or damaged in any manner.

  5)  To avoid the possibility of the appliance plug or receptacle getting wet, 

   

position aquarium  stand and tank to one side of a wall-mounted

 

   

receptacle to prevent water from dripping  onto the receptacle 

   

 

  or plug. A “drip loop,” shown in the figure to the

 

   

 

  left, should be arranged by  the user for each cord 

   

 

  connecting an aquarium appliance to a receptacle. 

   

 

  The “drip loop” is  that part of the cord below the 

   

 

  level of the receptacle, or the connector if an 

   

 

  extension cord  is used, to prevent water traveling

 

   

 

  along the cord and coming in contact with the 

   

 

  receptacle.  If the plug or receptacle does get wet, 

   

 DON’T

 unplug the cord. Disconnect the fuse or

 

   

 

  circuit  breaker that supplies power to the

 

   

 

  appliance. Then, unplug and examine for presence

 

   

 

  of   water in the receptacle.

C)  Close supervision is necessary when any appliance is used by 

  or near children.

D)  To avoid injury, do not contact moving parts or hot parts such as heaters,

 

  reflectors,  lamp bulbs, and the like.

E)  Always unplug an appliance from an outlet when not in use, before putting 

  on or taking off parts,  and before cleaning. Never yank the cord to pull the

 

  plug from outlet. Grasp the plug and pull  to disconnect.

F)  Do not use an appliance for other than intended use. The use of

 

  attachments not recommended  or sold by the appliance manufacturer 

  may cause an unsafe condition.

G)  Do not install or store the appliance where it will be exposed to the

 

  weather or to temperatures  below freezing.
H)  Make sure an appliance mounted on a tank is securely installed

 

  before operating it.
I)  Read and observe all the important notices on the appliance. 

J)  If an extension cord is necessary, a cord with a proper rating should

 

  be used. A cord rated for less  amperes or watts than the appliance rating 

  may overheat. Care should be taken to arrange the  cord so that it will not

 

  be tripped over or pulled.
K)  For added safety, the appliance must be plugged into a receptacle 

  controlled by a GFCI  (ground fault interrupter) circuit breaker. The device

 

  must be properly connected to a  grounded three-prong receptacle.

L)  This appliance is intended FOR HOUSEHOLD USE ONLY.
M)  SAVE THESE INSTRUCTIONS.

Drip 

Loop

Contents

24

"

#420624

36

#420625

48

#420626

Four Lamp Fixture Housing 

with 2.4M cord & C14 plug

1

1

1

Power Cord, 40cm with 

electric outlet plug

1

1

1

0-10V Cord, 1.8M with 

3.5mm Female Stereo Jack 

(Dual Channel) 

1

1

1

Cord Management Strip

1

1

1

Rectangular LED Bracket

2

4

6

Bracket Screws

6

10

14

Suspension Hardware

2

2

2

Tools Recommended for Installation

Phillips Screwdriver

IMPORTANT! 

Please do not return this product to place of purchase

For technical assistance or warranty issues, contact 

AquaticLife at 1-888-548-3480 or 1-818-768-6943

or email [email protected]

C14 plugs

3.5mm plug

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