Wolf Indoor Furnishings H 251E User Manual

‘Wolflite’ Safety Handlamp H-251E &  
H-251 Mk1 & Mk2  
Operation & Maintenance Instructions  
H–18Y H–17 H–31Y  
H–15Y  
Wolflite  
Safety  
H–21A  
H–30  
H–03  
Handlamp  
H–24  
H–26  
H–19  
H–25  
H-251E  
H–22  
H–104  
H–14  
H–29  
H–66  
H–12  
H–13  
H–09  
H–48  
H–11  
H–62 H–63 H–41E  
 
‘Wolflite’ H-251 Rechargeable Safety Handlamp Range  
Operation & Maintenance Instructions  
Certification  
H-251E  
EEx e ib IIC T4  
EEx e s II T3  
Certificate: BASEEFA Ex 843292  
Certificate: BASEEFA Ex 81142  
H-251 Mk1 & Mk2  
Certificate: 86/00097  
Use of Wolflite Handlamps in Hazardous Areas  
The H-251E Handlamp is certified for use in potentially explosive gases, vapours and mists. Applicable standards: EN50014:1977,  
EN50019:1977, EN50020:1977.  
The H-251 Mk1/Mk2 Handlamps are certified for use in potentially explosive gases and vapours. Applicable standards: EN50014:1977,  
EN50019:1977, SFA 3009:1972.  
Ingress protection level for H-251E and H-251 Mk1: IP66, to EN60529:1992 for H-251 Mk2: IP54 to EN60529:1992.  
Users are advised to consult BS 5345: Part 1:1989 ‘Code of Practice for the Selection, Installation and Maintenance of Electrical Apparatus for  
use in Potentially Explosive Atmospheres’ or National equivalent.  
The lamp must not be opened or fitted with replacement parts in a hazardous area. Lamp chargers must be kept and operated in non  
hazardous areas and in clean and dry conditions; a damaged lamp should be carefully examined for its continued safety. If in doubt, it should  
be withdrawn from use and returned to the manufacturer for repair.  
The ‘Wolflite’ Handlamp may constitute a static hazard and should be cleaned only with a damp cloth.  
Heavily soiled lamps must not be immersed in water or exposed to high pressure water jets for cleaning.  
Maintenance and repair must be carried out by a competent technician/electrician familiar with Certified Electrical Apparatus and in accordance  
with these maintenance instructions, using factory supplied spare parts only.  
Handlamp operating ambient in Hazardous Areas: -20°C to +40°C  
Before Use  
Charge battery before first use. To prevent accidental discharge of the battery in transit, the switch is locked in the OFF position.  
To Lock/Unlock the Lamp (H-251 Mk1 & Mk2 only)  
The stainless steel lock screw in front of the handle interlocks with the operating switch. Screw anti-clockwise to lock the lamp enclosure and  
release the operating switch. The lock key provided must be kept in a non-hazardous area.  
WARNING: The Lock Screw bush can be dislodged if overtightened. Switch ‘OFF’ before screwing the Lock Screw down.  
To Operate and Dismantle the Switch  
The switch operates transversely, as indicated on the approval label. It consists of a magnet, a plastic housing and a cap. To replace, the old cap is  
prised off and the housing removed. The new switch housing/magnet is fitted to the body before the cap is ‘snapped’ in place.  
To Open the Lamp  
Unlock as above, unscrew the lens ring from the body to gain access to all internal parts.  
To Replace the Bulb  
The bulb (3.6 Volts, 1.0 Amp) is retained by the screwed centre contact at the back of the reflector.  
To Replace the Glass Disc and/or Reflector  
The toughened glass disc and reflector are secured in the lens ring by the reflector retaining ring. The battery retainer (H-251 MkI/ Mk2 only) is  
‘snap’ fitted in the lens ring, remove before unscrewing the reflector retaining ring. All parts must be cleaned and the rubber washer centralised  
before re-assembly. A key is available for fastening/unfastening this assembly.  
To Replace Fuse and/or Reed Switch  
The fuse contact must be removed to replace the fuse (Shorting Link in H-251E). To replace the reed switch, the battery contact and fuse contact  
must be removed.  
To Replace the Battery for the H-251 Mk2  
The positive and negative diode leads are disconnected from their respective terminals and the battery pack is removed from the body cavity.  
To Replace the Battery for the H-251E  
All connections are automatically made when the H-251E battery pack is replaced. The battery pack is a slide fit in the body cavity, clean the new  
battery pack and spring contacts prior to fitting. The H-251E battery pack is deep discharge protected, it will switch off after approximately four  
hours duration, preventing damage to the battery.  
 
The Battery  
A Lead Acid cell system is used in all ‘Wolflite’ Safety Handlamps. A minimum of four hours continuous output is provided for an average of 500  
recharging cycles. A common battery pack is used for the H-251 Mk1 and H-251 Mk2. The H-251E battery pack has an encapsulated control and  
current limiting circuit, and has been tested for EMC compliance and CE marked accordingly. For optimum performance and safety please observe  
the following:  
Charge before first use.  
Avoid deep discharge.  
Recharge immediately when flat.  
Recharge every six months when stored.  
Note:  
Dangerous Goods Regulations  
Hazardous Materials Regulations  
Restricted Articles Regulations  
The US Dept. of Transport, IATA, and CAA declare these batteries are “not regulated”.  
Warning:  
Do not short-circuit or incinerate  
Do not recharge other than from Wolf Chargers  
Do not cut, crush or puncture  
Dispose of only via licensed disposal agency  
Charging ‘Wolflite’ H-251 Mk1 Battery  
To remove the battery for charging remove the lens ring (see “To Open the Lamp). The battery removal tab is visible and can be used to aid  
extraction. WHILE THE BATTERY IS ON CHARGE THE LENS RING MUST BE REPLACED TO PREVENT DUST ENTERING THE LAMP  
ENCLOSURE. If available, a spare charged battery can be fitted.  
The Battery is charged in a fully automatic charging unit. Indicators show when a battery has been fully charged. AFTER USE, RE-CHARGE AS  
SOON AS POSSIBLE.  
Charger Unit C-251 for H-251 Mk1  
This ‘Wolflite’ Battery Charger is ‘CE’ marked as compliant with Low Voltage and EMC Directives. Before connecting to the mains ensure the  
correct voltage is selected and the battery is in the charger, the indicators will show the state of battery charge and charger mode. 90% capacity is  
achieved in 4/5 hours. The charger indicators will suffer from electro-magnetic interference when sited less than five metres from sources emitting at  
the following frequencies: 103-115MHz, 117-119MHz, 126-136MHz.  
Charging ‘Wolflite’ Handlamps H-251 Mk2 and H-251E  
The battery is charged within the lamp body. The H-251 Mk2 Handlamp switch must be in the ‘OFF’ position when on charge. The H-251E can  
be switched ‘ON’ when charging, the lamp is then set for stand-by power failure mode and will automatically illuminate should power to the charger  
be cut. Indicators show the state of charge of the battery. Red only indicates the Lamp has not made correct contact, the Lamp must be pushed  
firmly until latched in position.  
Lamp Chargers for H-251 Mk2 and H-251E  
Two types of Lamp Chargers are available – HIGH VOLTAGE and LOW VOLTAGE, to suit fixed or mobile applications. The chargers are ‘CE’  
marked as compliant with Low Voltage and EMC Directives.  
Wolflite Charger C-251HV is for mains AC input voltages of 200-240 volts at 50-60 Hz (Off-shore platform voltages of 254 volts at 60  
Hz), user switchable to 100-120 volts at 50-60 Hz. Failure to select the correct voltage may cause damage. Charger achieves 90%  
recharge in 6/7 hours. Only fit manufacturers specified fuse. Chargers are fitted with Approved plugs, refer to sales literature for details.  
Wolflite Charger C-251LV is suitable for use from DC supplies of 12 to 32 volts. A full recharge from a 12 volt supply takes 20/24  
hours, but from a 24 volt supply 10/12 hours. The two-core flex is red, positive and black, negative.  
Both chargers are fully automatic, stepping to a safe trickle charge level after the main charge is completed.  
NOTE:  
A fully discharged battery must be charged immediately to avoid damage.  
The charger contacts are of low voltage output and short circuit protected.  
Charger operating ambient: +10°C to +25°C.  
WARNING: THE WOLFLITE CHARGERS ARE DESIGNED FOR CHARGING WOLFLITE HANDLAMPS ONLY – NO OTHER BATTERIES OR  
BATTERY OPERATED DEVICES ARE TO BE USED  
The Wolf Safety Lamp Co. Ltd. have a policy of continuous product review and improvement, and changes in design details whether  
permitted as Variations of Approvals or otherwise may be made without prior notice.  
 
‘Wolflite’ Safety Handlamp H-251E &  
H-251 Mk1 & Mk2  
Operation & Maintenance Instructions  
H–18 H–17 H–31 H–08  
H–15  
Wolflite  
Safety  
H–21A  
H–30  
H–03  
Handlamp  
H–24  
H–26  
H–19  
H-251 Mk1  
H–25  
H–22  
H–02  
H–23 H–29  
H–16E  
H–12  
H–13  
H–14  
H–09  
H–10  
H–11  
 
Spare Parts List for ‘Wolflite’ Safety Handlamp  
H-251E & H-251 Mk1 & Mk2  
Description  
’O‘ ring seal  
Magnet switch complete  
Lock screw  
Reed switch  
Fuse for lamp, & link (H-251E)  
Sleeve for fuse holder  
Fuse contact  
Battery contact  
Screw for contacts  
Body complete  
Battery pack  
Lens ring  
Rubber washer for glass disc  
Glass disc  
Reflector  
Reflector retaining ring  
Battery retainer  
Reflector distance piece  
Bulb socket  
Bulb 3.6v 1.0A Krypton (4 hrs.)  
Bulb 4.8v 0.5A Krypton (8 hrs.)  
Centre contact complete  
Reflector c/w bulb and fittings  
Lens ring complete  
Hexagon lock key 4 mm  
Key for reflector retaining ring  
Lanyard and fittings  
Nut for contact stud  
Spring washer for nut  
Diode lead (positive)  
Diode lead (negative)  
Terminal tab  
H-251 Mk1  
H-02  
H-03  
H-08  
H-09  
H-10  
H-11  
H-12  
H-13  
H-14  
H-15  
H-16E  
H-17  
H-18  
H-19  
H-21A  
H-22  
H-23  
H-24  
H-25  
H-26  
H-26K  
H-29  
H-30  
H-31  
H-33  
H-34  
H-35  
H-251 Mk2  
H-251E  
H-104  
H-03  
H-08  
H-09  
H-48  
H-11  
H-12  
H-13  
H-14  
H-15Y  
H-66  
H-17  
H-18Y  
H-19  
H-21A  
H-22  
H-24  
H-25  
H-26  
H-26K  
H-29  
H-30  
H-31Y  
H-33  
H-34  
H-35B  
H-62  
H-03  
H-08  
H-09  
H-10  
H-11  
H-12  
H-13  
H-14  
H-15E  
H-16E  
H-17  
H-18  
H-19  
H-21A  
H-22  
H-23  
H-24  
H-25  
H-26  
H-26K  
H-29  
H-30  
H-31  
H-33  
H-34  
H-35  
H-36E  
H-37E  
H-38E  
H-39E  
H-40E  
H-41E  
H-58  
Support washer  
Handlamp wall holder  
Stud seal  
H-41E  
H-58  
H-63  
C-251LV  
C-57  
H-58  
C-251  
C-251HV  
Clip for LV charger  
Rocker switch for charger  
Transformer 9V, 20VA  
Printed circuit board  
Lamp charger contacts  
PCB for LV DC charger  
Rocker switch for HV charger  
PCB for HV charger  
Washer for clip  
C-62  
C-63  
C-69  
C-71  
C-82  
C-84  
C-71  
C-81  
T-2056  
T-2057  
C-6021  
Rivet for clip  
Support spring  
Fuse for charger  
C-6021  
H-10  
H-10  
WOLF SAFETY LAMP COMPANY  
Saxon Road Works, Sheffield S8 0YA, England  
Tel: +44 114 255 1051 Fax: +44 114 255 7988  
E-mail: info@wolf-safety.co.uk  
MMD/U/?K/6.03  
 

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