INSTALL INSTRUCTIONS  DTK-120/240HD2
INSTALL INSTRUCTIONS
DTK-120/240HD2
DITEK Corporation
This Surge Protective Device (SPD) is a high performance device, designed to provide protection
for sensitive electronic loads connected to service panels, fire panels, or where the SPD is
directly connected to the electronic device. Maximum protection will only be achieved if the SPD
is properly installed.
Please read and follow the installation instructions carefully.
INSTALLATION
ONE DITEK CENTER
1720 Starkey Road
Largo, FL 33771
NOTICE: This SPD should be installed by a qualified electrician in accordance with the National
and Local Electrical Codes and the following instructions.
APPLICATION
Type 1 SPD, Type 2 SPD for hardwired parallel installations on 120/240 VAC split phase circuits.
INSTRUCTIONS:
Caution: Measure all voltages to insure applied voltage does not exceed the voltage rating of
the unit. Improper installation voids the warranty.
NOTE: Suitable for use on a circuit capable of delivering not more than 100,000 rms symmetrical
Amperes.
This SPD Contains no serviceable parts.
1. Turn off the power at the circuit breaker or main before beginning installation.
2. Remove front cover from the panel.
3. Remove 1/2" knockout on side of panel box.
4. Unscrew nut from unit.
5. Feed all wires and the DTK-120/240HD2 nipple through knockout hole then through nut,
tighten nut securing the unit.
6. Connect the Ground wire (Green) to the Grounding buss of the panel, making sure the ground
wire is as short as possible.
Ground Resistance Rule: Max ground resistance is 25 ohms, 5 ohms or less is optimum.
This cannot be an assumed value and must be measured to assure proper grounding.
7. Connect the Neutral wire (White) to the Neutral buss of the panel.
8. Connect the Phase wires (Black) to the line side or load side of the 2 pole breaker.
9. Securely mount the enclosure using the mounting holes located under the cover
10. After all connections have been made and no hazards exist, replace cover and restore power.
11. This device features an internal protection that will disconnect the surge protective component
but will maintain power to the load - now unprotected. If this situation is undesirable for the
application, follow the manufacturer’s instructions
for replacing the device.
.15 NIPPLE
4 PLCS
SIDE
.26
Expected System Voltages
120V Single Ø
240V Single Ø
120/240V Split Ø
120/240V Hi Leg Δ
120/208V 3 Ø Wye
277/480V 3 Ø Wye
347/600V 3 Ø Wye
240V 3 Ø Δ
480V 3 Ø Δ
600V 3 Ø Δ
Drawn By: J.Ramirez 1-21-10
Approved By: R. Mitchell 3-17-15
Revised By: K. Nguyen 3-17-15
L - L HiL-G,N
NA
NA
NA
NA
240
NA
240
240
208
NA
480
NA
600
NA
NA
240
NA
480
NA
600
L-G L-N
120
120
240
240
120
120
120
120
120
120
277
277
347
347
240Max NA
480Max NA
600Max NA
N-G
0
0
0
0
0
0
0
0
0
0
4.21
.65
DITEK Technical Support Available 24/7
1-888-472-6100
www.ditekcorp.com
3.43
Doc # INT-100094-001
Part No. 191394 Rev.7
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