Isolite DTH2 SERIES User manual

When using electrical equipment, basic safety precautions should always be followed including
the following:
Page 1
Z410138 Rev B
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
1. DO NOT use outdoors.
2. DO NOT mount near gas or electric heaters.
3. Equipment should be mounted in locations and at heights where it will not be
readily subject to tampering by unauthorized personnel.
4. The use of accessory equipment is not recommended by the manufacturer.
Use of such equipment may cause an unsafe condition.
5. DO NOT use this equipment for other than intended use.
6. Conduct periodic visibility tests in accordance with the applicable installation
code (such as NFPA 101).
7. Supply connections MUST be made inside the junction box.
8. Install using recommended junction box ONLY.
9. Servicing of this equipment should be performed by a qualified service personnel.
10. Install sign indoors only where not exposed to direct unfiltered sunlight, liquid
o o
spray or temperatures outside of the range of 10 C to 40 C.
11. Before installing unit, disconnect power at breaker panel.
DUAL TECH 2.0 - DTH2 SERIES
DIE CAST ALUMINUM LED EXIT SIGNS
INSTALLATION AND OPERATING
INSTRUCTIONS
SAVE THESE INSTRUCTIONS
CONSERVER LA FICHE D’INSTRUCTION
31 Waterloo Avenue • Berwyn • PA 19312 U•S•A
Telephone: [phone] • Fax: [phone]
IMPORTANT SAFEGUARDS

SECTION 1: BASIC FUNCTIONALITY AND FEATURES
Page 2
INSTALLATION INSTRUCTIONS
The Dual Tech 2.0 Hybrid Exit Sign is designed to be mounted to a junction box (supplied by
others). It can be either back, top or side mounted. The single face unit back mounts to a
standard 4” square box. Top or side mount requires the optional canopy and also mounts to
a standard 4” square box.
Figure 1: Standard Junction box dimensional outline
1 ½
4.0
4.0
3 ⅜
3 ⅜
4.78 Between mounting holes
2. Support rear panel on spacers and punch out appropriate knockouts to fit junction box.
Figure 3: Rear Panel Knock Outs
Junction Box Knockouts
Knockout for lead
wires to sign.
Figure 2: Opening the sign
1. Open enclosure and separate panels using a flat blade screw driver (as shown below).
To open the sign insert a flat blade screwdriver
into the 4 slots on the edge and rotate
the blade gently so that the sign snaps
apart. Repeat on all notches before
pulling apart.
Z410138 Rev B

Before installing unit, disconnect power at breaker panel
3. The spider plate assembly will be provided with the transformer mounted and the lead
wires strain relieved by the cable clamp (as shown below). Connect lead wires to feed
wires in junction box as per local code.
Figure 4: Lead wire connections to transformer
Black lead for 120V OR
Orange lead for 277V
White lead for neutral
Green Lead for Ground
(CAP UNUSED LEAD)
Secondary wires
to Exit Sign
routed through center
hole on spider plate
Transformer
Green
Ground White
Neut
Black
120V
Orange
277V
Cap unused
primary wire
Protected Earth
Ground Screw
Cable clamp
(strain relief)
spider plate
4. Determine which directional indicators are to be removed. Remove light guide assembly
and set aside. Support front cover as shown below and knock out desired directional indicator(s).
Figure 5: Removing the directional indicators (chevrons)
Knock out desired directional
indicators (chevrons) supporting
the front panel as shown.
Z410138 Rev B Page 3

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1. Secure spider plate to the junction box (screws supplied with the junction box). Route the
transformer’s secondary leads through the center knockout of the rear panel then level the rear panel
before tightening the panel to the spider plate via the knock-outs.
2. Place the filler plates in the rear panel as per Detail B below.
3.Terminate transformer leads to the sign per Detail A below.
4. Install the light guide assembly. The transformer leads are to be routed within the rear panel and the
white reflector is to be located in-front of the wires as show below. The wires should not be visible
when looking at the sign from the front face.
5. Snap on Front Panel with desired directional indicators removed per Section 1.
SECTION 2: BACK MOUNT INSTALLATION (SINGLE FACE SIGN)
Figure 6: Back Mount Installation
2X screws
supplied with
J Box
Filler Plate (See Detail B)
Front Panel
Light Guide Assy
w/ Photo-luminiscent Panel
Rear Panel
Green film
(Transparent)
white reflector (far side)
Optional Security Enclosure
(Single Face)
Refer to Instructions supplied with
security enclosure for full assembly
details.
Detail A
White reflector
Transformer
lead wires
Transformer Connectors
Remote Option Conn
Used in all other applications
“Thicker” side clip is supplied when a
single face security enclosure is ordered.
Outline shown below is used in all other
applications.
Detail B
transformer secondary leads
Z410138 Rev B

SECTION 3: CANOPY MOUNT (SINGLE OR DOUBLE FACE SIGNS)
1. Secure spider plate to junction box. Guide transformer secondary leads through canopy and
connect to sign.
2. Secure canopy to sign and then fasten to spider plate. If an optional security cover will be
utilized, it must be assembled to sign prior to securing the canopy to the sign.
Figure 7: Canopy mount Installation (Top/ Ceiling Mount)
(2) PPH #6-32 x 3/8” long Screws
Canopy to Exit Sign
supplied with Exit sign
SCREW LENGTH IS CRITICAL.
DO NOT SUBSTITUTE AS IT
MAY CAUSE DAMAGE TO
INTERNAL COMPONENTS.
(2) PPH #6-32 x 5/8” long screws
Canopy to Spider Plate Assy.
Supplied with Exit Sign
Canopy
Secure spider plate
assy to J-box
with screws provided
with J-box.DO NOT
OVER TORQUE!
Standard 4 inch J Box
Not supplied with sign.
Spider Plate Assy
Terminate Transformer
secondary wires to Sign
(leads are shown at an
exaggerated length for
clarity. Actual leads are
shorter).
Optional Security Enclosure
Must be installed prior to
securing canopy to sign.
(2) PPH #6-32 x 5/8” long screws
Canopy to Spider Plate Assy
supplied with Exit Sign
(2) PPH #6-32 x 3/8” long Screws
Canopy to Exit Sign
supplied with Exit sign
SCREW LENGTH IS CRITICAL.
DO NOT SUBSTITUTE.
Spider Plate
Assy
Standard 4 inch J Box
Not supplied with sign.
Secure spider plate
assy to J-box
with screws provided
with J-box. DO NOT
OVER TORQUE!
Canopy
Terminate Transformer
secondary wires to Sign.
Figure 8: Canopy mount Installation (Side Mount)
After installation is complete, reapply power and notify the
authority having jurisdiction.
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Z410138 Rev B

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