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EU-Type Examination Certificate
[13]
[14] EU-TYPE EXAMINATION CERTIFICATE No.:
[15] Description of Product
SWX Ex is a hot water fan heaters for hazardous area. This fan heater is of two sizes SWX Ex 12 and
SWX Ex 22. SWX Ex has been developed specifically for heating the air in environments with
occasional danger of explosion with maximum inlet water temperature of
temperature of
-20 °C to +40
which is supplied with Ex class fan motor Junction box. The fan motor is fitted with PTC thermistors
to protect
against overheating, and the installation also requires an external thermistor motor
protection, thus connected to motor
The Fan heater chassis, wall bracket and air deflector is made of stainless steel EN 1.4016 or EN
1.4404 with thickness between 1 to 1,5mm. The IP class included for the Fan motor is IP 44. The
water supply pipe is connected to the lower pipe on the heater and outlet pipe to the upper pipe of
the fan heater with
heater are mounted with pipes facing left to right, when the fan heaters is mounted with pipes
facing right then the air deflector must be turned for the air to deflect downwards.
Type designation
SWX Ex 12 & SWX Ex 22.
Electrical Data
3-230/400V 50 Hz 0,43/0,25A
Degrees of protection (IP Code)
IP 44 Fan Motor.
Ambient temperature:
20°C to +40°C
-
DNV Nemko Presafe AS, Gaustadalléen 30, 0373 Oslo, Norway
Schedule
°C. The fan Heater assembly includes the Ex e certified fan motors,
protector U-EK230E and a contactor placed in the safe area.
connection diameter is 22 mm on SWX Ex12 and 28 mm on SWX Ex22. The fan
Presafe 15 ATEX 7676X
Issue 0
125°C
and the ambient
2 of 3
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