Manual Briton 996 Door Closer

Manual

INSTALLATION INSTRUCTIONS

BRITON 996 FIG.1

ELECTRO MAGNETIC HOLD OPEN/FREE SWING DOOR CLOSER

24VDC

SURFACE FIXED TO ‘PULL’ (HINGE) SIDE OF DOOR.

SIZE 3 closer suitable for doors up to 950mm wide and 60kg in weight

SIZE 4 closer suitable for doors up to 1100mm wide and 80kg in weight

SIZE 5 closer suitable for doors up to 1250mm wide and 100kg in weight

This closer unit incorporates an electro magnet which is normally interfaced with a detector/alarm system.

In an emergency or a power failure, the electro magnet when de-energised will cause the closer to close the

door into its frame. A 13mm A/F spanner is required

to carry out adjustments to arm set or convert from hold

open to free swing function.

Hold open function enables unit to hold door open until automatically released or pulled closed manually.

Angle of hold can be adjusted from 85° to 95° approx. and 103° to 110° approx.

Free Swing function

setting allows door to be independent of closer control. When unit is automatically

released the door will be driven closed from whatever position it may have been left open. Adjustment of

catch plate provides for a free swing variance of 85° to 95° approx. Door can open to approx. 110° max.

subject to hinge projection and surrounding structure.

Warning: When Briton 996 is used in the free swing mode the door is not under the control of the damping

action and will slam in windy or draughty conditions.

THIS CLOSER UNIT IS EASILY CONVERTED TO SUIT EITHER HAND OF DOOR, for conversion

instructions see diagram 4.

IMPORTANT

Door must swing freely and close firm into its rebate to enable the closer to operate efficiently. This is

particularly important for fire/smoke doors and we recommend that doors be hung on ball bearing butt hinges

to BS EN 1935 and that latches and smoke seals be of a type that offer minimum resitance to closing.

Failure to address these requirements may result in an ineffective fire/smoke door installation.

DOOR STOP MUST BE FITTED TO PREVENT DOOR FROM OPENING JUST

BEYOND SETANGLE OF

HOLD OPEN OR FREE SWING SETTING.

Under no circumstances should the door closer be dismantled.

ELECTRICAL INFORMATION

SPECIFICATION Electro-magnet continuous rating: 2.35 watts max at 26v DC.

Power Requirements: 24v DC - 90 mA nominal.

TESTING Check that voltage is within specified range at each unit after installation.

It is recommended that the equipment is tested at weekly intervals for correct function.

NOTE: Power for ancillary devices must not be drawn from the alarm system except under alarm

conditions and then must not reduce the reliability of the supply. (BS.5839 Pt. 1).

TYPICAL WIRING DIAGRAM

NOTE: Power supply feed to electro magnet is through flexible armoured loop.

IMPORTANT

This closer should be installed by a competent fixer who must pass these instructions onto the site or

maintenance manager once the closer unit has been satisfactorily fixed, wired and tested.

No Responsibility can be accepted by the manufacturers if these installation instructions are disregarded.

Diagram 1

24v DC output

240v AC

50Hz input

Briton 996 units

NC

+

+

-

++

---

P.R. relay controlled by alarm

Unit is polarised indicated by the

red (+VE) and black (-VE) wires.

Transformer

rectifier unit

(F.S.R.)

0996/091/00

Issue 01

Rating

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