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A.
PRODUCT CERTIFICATION
Depending on the particular model ordered, the heater is suitable
for the following areas:
•
CSA C/US Certified for Class I, Div 1, Groups A, B, C, D or
Groups C, D, CSA Type 4; Temp. Code T2 (215°C) T2D, T3,
T3B, T3C or T4
B.
PRE-INSTALLATION
1.
Initially, inspect the heater for possible damage due to
shipping and handling. Claims for shipping damages shall
be placed with the carrier.
2.
Check the heater nameplate to ensure that the heater area
classification and temperature code are suitable for the
hazardous area classification. For details of hazardous
locations with potential for explosion, refer to the
Canadian Electrical Code or National Electrical Code.
3.
Check to ensure that the heater voltage is the same as the
supply voltage.
4.
The heater must be installed by qualified personnel in strict
compliance with national and local electrical codes.
WARNING. Do not connect the heater to an electrical
supply voltage other than that shown on the
product nameplate.
WARNING
Figure 1 – Model XPAL/XPAS convection heater
C.
INSTALLATION
C.1
General Requirements
1.
The XPA heater is intended for industrial use and is to
be mounted in an enclosure. The main function of this
heater is to prevent the damaging effects of moisture and
condensation on the components inside the enclosure. It
is not intended for comfort heating use.
2.
XPAL and XPAS heaters are approved for enclosure
mounting either horizontally or side mounted with the
junction box at the side. XPAR heaters are approved for
vertical mounting only with the junction box at the bottom.
Ensure that the enclosure is sufficiently strong to support
the heater which, depending on the model, could weigh
up to 15 lbs (7 kg).
•
ATEX
II 2G Ex d IIC or IIB, T2 (215°C), T3 or T4, Gb IP66
•
IECEx Ex d IIC or IIB, T2 (215°C), T3 or T4, Gb, IP66
NOTE:
- Standard XPA Models: -50°C to +40°C
- High Ambient XPA Models: -50°C to +55°C or 60°C
depending on model. CSA Only
Figure 2 – Model XPAL/XPAS convection heater
Figure 3 – Model XPAR convection heater
3.
Do not recess the XPA heater into the wall. Use the
bracket supplied with the unit to ensure that the minimum
spacing from the wall of 1" (25 mm) is maintained.
4.
If more than one heater is being installed, maintain at least
3" (76 mm) between adjacent heater extrusions.
5.
The XPA heater relies on natural convection and "black
heat" radiation to transfer heat to the surroundings. See
Table 1, page 4 for minimum clearances above heater.
3 3
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