EWM POWERSHIELD GUARDIAN VENT Operating Instructions Manual

Fresh air fan unit

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FRESH AIR FAN UNIT –

OPERATING INSTRUCTIONS

POWERSHIELD GUARDIAN VENT

Read all instructions and warnings before use. The user must

ensure that they understand these instructions before use. Retain

these operating instructions for future reference. If you have any

questions about these products, please do not hesitate to contact

EWM.

www.ewm-group.com

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Page 1 FRESH AIR FAN UNIT – OPERATING INSTRUCTIONS POWERSHIELD GUARDIAN VENT Read all instructions and warnings before use. The user must ensure that they understand these instructions before use. Retain these operating instructions for future reference. If you have any questions about these products, please do not hesitate to contact EWM.
Page 2 WARNING PURPOSE OF USE This product is part of a system that helps to ﬁ lter out certain airborne impurities such as dust, pollutants, ﬁ ne particles and other impurities, welding dust and metal dust. The “gas ﬁ lter” option is suitable for users with special working conditions. The user’s face is supplied with clean air.
Page 3 • Vergewissern Sie sich, dass der Anschlussschlauch glatt und nicht verheddert oder • The EWM fresh air system is not intrinsically safe. Keep it away from flammable and • Vergewissern Sie sich, dass der Anschlussschlauch glatt und nicht verheddert oder anderen Gegenständen in der Umgebung im Weg ist.
Page 4: Description And Specification
DESCRIPTION AND SPECIFICATION The complete EWM fresh air system includes a fan, a filter unit, a breathing tube unit, a battery, a shoulder strap and a belt. The fan unit draws the ambient air through its filter and supplies cleaned air to the face via the breathing tube.
Page 5 SPECIFICATIONS OF THE FRESH AIR SYSTEM The minimum airflow specified by the manufacturer: 165+ lpm (5.8+ cfm) Airflow rate Low speed: 170+ lpm (6+ cfm) High speed: 210+ lpm (7.4+ cfm) Battery type: rechargeable lithium-ion battery Battery runtime: 9 hours at low speed (170+ lpm); 5–6 hours at high speed (210+ Fast-charging lpm) standard battery...
Page 6: Particle Filter
ASSEMBLY AND SPARE PARTS The power must be switched off when replacing the filters. Install the spark Fig.1 protection, the pre-filter and the particle filter (or gas filter if applicable) in the filter cover. Before installation, always ensure that the filter material is intact and dry and that there are no cracks or other damage.
Page 7: Gas Filter
GAS FILTER WARNING • This gas filter must always be used together with the Powershield Guardian Vent particle filter. It offers additional protection against certain gaseous environments particle filter. It offers additional protection against certain gaseous environments (see table below).
Page 8 BATTERY WARNING • The battery should be charged in an electrically safe place. • The charging time varies depending on the battery type. The actual charging time • The charging time varies depending on the battery type. The actual charging time depends on the remaining battery capacity.
Page 9 Removing the battery Press the button and remove the battery as shown in Fig. 3a/3b/3c. Remove it from the housing. Push Pull Fig. 3a Fig. 3b Fig. 3c Inserting the battery Insert the battery into the fan housing and press it in until you hear a click (see Fig. 4a/4b). Battery charge level Push Push...
Page 10 Battery charge level This display shows the battery capacity. If four bars are displayed, the battery is fully charged. When there is only one bar left (see Fig. 5a), a beep sounds accompanied by a vibration alarm to remind the user to stop working and charge the battery. A beep sounds every 30 seconds and a vibration alarm goes off every 2 minutes.
Page 11: Breathing Tube
BREATHING TUBE WARNING • Always check the fresh-air-system end of the breathing tube to ensure • Always check the fresh-air-system end of the breathing tube to ensure that the rubber O-ring is in place, see Fig. 7a. Replace it if it is missing or damaged. that the rubber O-ring is in place, see Fig.
Page 12 SHOULDER STRAPS AND BELT PADDING Connect the belt (see Fig. 8a). Connect the belt to the fan using the screws (see Fig. 8b). Fig. 8a Fig. 8b CONTROLLING THE AIRFLOW There are two indicator lights on the display (see Fig. 9a). Low speed: 170+ lpm, High speed: 210+ lpm.
Page 13 REMOVING THE FRESH AIR SYSTEM WARNING • Never remove the fresh air system in areas where the air is contaminated. • Never remove the fresh air system in areas where the air is contaminated. • Always remove the fresh air system when you leave your workstation. •...
Page 14: Maintenance
TESTING THE AIRFLOW Always carry out an airflow test before using this product. Before the test, ensure that all components are properly installed. Connect the end of the tube to the bottom of the airflow indicator and then press the button. Hold the airflow indicator in a vertical position (see Fig.
Page 15 If the spark protection is damaged or cannot be cleaned, replace it. STORAGE The EWM fresh air system is not intrinsically safe. Keep it away from flammable and ex- plosive atmospheres. It should be stored in a clean, dry and cool place with a filter.
Page 16: Troubleshooting Guide
TROUBLESHOOTING GUIDE FAULT CAUSE REMEDY Press and hold Fan not switched on the ON push-button. Battery empty Charge the battery. No airflow Battery not Check the battery and from the fan installed correctly reinstall it. Tube blocked / Check and remove air leakage the blockage.
Page 17: Parts List
PARTS LIST Not included in the product – must be purchased separately. D-3/D-4 is suitable for different head sections – please select accordingly. F-1 is suitable for D-3, F-2 is suitable for D-4 – please select accordingly.
Page 18: Parts List And Assembly
PARTS LIST AND ASSEMBLY ITEM DESCRIPTION B. Fan unit 398-018033-00000 Casing 398-018034-00000 Fast-charging standard battery 398-018035-00000 Particle filter (P3 filter) 398-018036-00000 Pre-filter 398-018037-00000 Spark protection 398-018038-00000 Filter cover Gas filter 398-018039-00000 Fast-charging long-life battery 398-018040-00000 398-018044-00000 A2 filter C. Wearing gear 398-018045-00000 Shoulder strap 398-018046-00000...
Page 19: Warranty
WARRANTY EWM’s sole obligation is to repair, replace or refund the purchase price of such parts or products free of charge in the event of material or manufacturing defects that occur within the warranty period. This warranty does not apply to damage caused by improper han- dling, misuse or any use other than that recommended in the operating instructions.
Page 20 We’re happy to help: sales@ewm-group.com EWM is your partner for the best welding technology. With EWM, you’ll weld more efficiently, more reliably and produce higher-quality results. EWM’s innovative systems, high-perfor- mance welding procedures, digital technologies and services, as well as expert consultation, support you in achieving per- fect results in your welding tasks.