11
Product Maintenance & Care
The following inspections should occur upon receipt of
product and at least once every year.
a. Wiring
Inspect wiring for wear, fraying and evidence of
overheating. Repair minor defects with a high qual-
ity grade of electrical tape or replace if needed.
b. Hardware & Connectors
Inspect for loose electrical and mechanical connec-
tions. Tighten or replace all loose or missing hard-
ware.
c. Cleaning
This product does not require cleaning. However,
the heat sink fins on back must routinely be in-
spected for any debris. Remove any debris with a
stiff brush or other careful means. Take care not to
break any fins. Should any of the fins break, the unit
should be replaced.
EXPLOSION HAZARD. Substitution of any com-
ponent may impair suitability for Class 1, Div. 2.
Equipment Ratings:
Voltage Rating: 120-277 VAC, 50/60 Hz
Current Rating: 30 amps
Ambient Temp. Rating: -40°F to 104°F (-40˚C to 40˚C)
Alarm Rating:
• DTS-HAZ: 12-277 Vac and 1.8 Amps RMS
• DTS-HAZ-DC: 0-42 Vdc and 1.8 Amps RMS
VA rating on electronics: 4.0 Watts
The electronics are protected by a 0.125 Amp 350 VAC
2AG fuse
Maximum RTD output 1.25 volts, 7 milliamps
Temperature Rating: UL-T4a, IEC/ATEX-T4
Protection: IP66
Settings:
Setpoint: -80˚F to 1100˚F (-62˚C to 593˚C)
Alarms: High temp to 1150˚F (621˚C)
Low temp to -80˚F (-62˚C)
Deadband: 2˚F (or ˚C) to 100˚F (or ˚C)
+/- 1˚ to 50˚ around the setpoint
Alarm Function:
Mode Default Optional
Normal Operation Closed Open
Alarm Condition Open Closed
Power Off Open Open
Agency Approvals:
UL:
• UL/cUL - Hazardous area (Class I, Div. 2, Groups
A,B,C,D)
• Temperature Rating: T4A
• UL File number E347725 (Ordinary areas are cov-
ered by the hazardous area file)
IECEx & ATEX:
• II 3 G Ex nA nC IIC T4 Gc IP 66
• Ex nA nC IIC T4 Gc IP 66
• ITS15ATEX48203X
• IECEx ETL14.0012X
• Temperature Rating: T4
CE
Field Wiring Considerations:
Torque values for field wiring terminals.......11-15 in-lbs
(1.2 - 1.7 n-m)
Wire gauge range.............................................6 - 18 ga
Stripped insertion length............................ 1/2” (12mm)
Replacement Parts
Fuse
Specifications............................. 0.125A, 350V, 2 AG
Dimensions..................... 14.18 mm (L) x 4.5 mm (W)
Material............................................................. Glass
Vendor & Model........................ Bel Fuse, 2JS 125-R
Replacing Fuse:
HAZARD OF ELECTRIC SHOCK. Turn off power
before removing junction box cover.
1. Remove Cover.
2. Carefully remove display board from 4 nylon posts.
3. Fuse is in upper left corner of bottom board.
4. Carefully remove the bad fuse and replace with new
fuse.
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