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(Revised 2011-11-15)
Page 8 of 169
WARNING:
Do not block the air vents.
WARNING:
Observe proper DC Voltage polarity when installing power input cables. Reversing voltage
polarity can cause permanent damage to the unit and void the warranty.
Hazardous Location Installation Requirements
1.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, and D or non-hazardous
locations only.
2.
WARNING:
Explosion Hazard – Substitution of components may impair suitability for Class I,
Div. 2.
3.
WARNING:
Explosion Hazard - do not disconnect while circuit is live, unless area is known to be
non-hazardous.
4.
WARNING:
Explosion Hazard – do not replace the device unless power has been switched off or
the area is known to be non-hazardous.
5.
Surrounding Air Temperature Range:
-40°C to 80°C
6.
7026TX must be powered by a Class 2 source evaluated to UL1310 only.
7.
Use 105°C or higher rated Copper wire, (0.22Nm) 2lb/in Tightening torque for field installed
conductors.
8.
WARNING:
exposure to some chemicals may degrade the sealing properties of materials used in
the following devices and should be periodically inspected for any degradation and replaced as
necessary;
Relay (U25) – Panasonic, Part No. TX2SS-3V
Relay Cover - Constructed of liquid crystal polymer (LCP), Type FC-110, manufactured by Nippon
Oil Corporation.
Body –constructed of liquid crystal polymer (LCP), Type 2125G, manufactured by Ueno Fine
Chemicals Industry LTD.
Epoxy – Constructed of Epoxy resin, Type A-2500BK, manufactured by Resinous Kasei Co., Ltd.