Installation Manual - MK Electric

4. If a neon indicator module is being used, ensure that the neon is
located on the correct side of the front plate (see Fig. 4) as
indicated by the membrane seal. Neon modules are installed as
described on pages 12 and 13.
TOP
NEON
Figure 4
13
SWITCH
PROCEDURE FOR REMOVING THE MODULES
If a module is found to be faulty or unserviceable and requires
replacement, proceed as follows:
1. Using a flat bladed screwdriver carefully lever the uppermost
module clips upwards over the front plate lugs and remove
module (see Fig. 7).
2. If the module clips break during this procedure ensure that all
loose parts are removed from the product.
Figure 7
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TOP
TOP
REPLACEMENT OF NEON LOCATOR
Note:
The neon locator should be replaced whenever it is found to be
unserviceable.
Replacement locators are available (refer to Product Range
List/Serviceable Items).
To replace a neon locator proceed as follows:
(a) Switch off and disconnect the mains supply to the product.
(b) Remove the front plate and disconnect the locator wires.
(c) Using a flat bladed screwdriver remove and discard the
faulty locator referring to Fig. 9.
(d) Fit new locator, pushing into place, and, referring to Fig. 5,
wire in position.
(e) Refit front plate and reconnect and switch on the mains
supply to the product.
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5. Locate the conduit or cable in the required entry and screw the
back box to the wall.
6. Fit the required modules to the front plate (see page 12).
7. Before fitting front plate ensure that the holes in the box seal are
aligned with the fixing screw holes and the slot around the seal
is aligned with the ribs in the enclosure.
8. Refer to the wiring diagram (Fig. 5) and wire in position. Ensure
that wires are of sufficient length to allow easy access to rear of
front plate, but short enough to fit comfortably inside enclosure
when front plate is secured.
Note: If the enclosure seal is not correctly positioned the IP rating of
the product may be affected.
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E. OPERATING INSTRUCTIONS
1. Press lower edge of rocker until engaged in ON position
(see Fig. 8).
2. On those products fitted with a neon indicator ensure that the
indicator lights when the switch is ON.
3. On units fitted with Press Switches ensure that the rocker
returns to the OFF position when released.
Press
Figure 8
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Figure 9
H. SERVICE AND MAINTENANCE
CLEANING
1. The exterior of the products should only be cleaned using a
solution of mild detergent (eg. washing-up liquid) and warm water.
2. Polycarbonate is a highly durable material which is ideal for use
in most environments. However you should seek advice from
MK Technical Sales Service Department before installing in
environments where chemicals, synthetic oils or harsh cleaners
are likely to be used.
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LOAD LOAD
L1 L2
Locator
Neutral
L NBlock
SUPPLY
1 GANG
S.P. 1 WAY
56881 / 56891
LOAD
L
F. TESTING
LOAD
L
Locator
Neutral
L NBlock
SUPPLY
1 GANG
S.P. 2 WAY
56882 / 56892
L L
Locator
Neutral
NBlock
SUPPLY
INTERMEDIATE
56893
Figure 5
15
LOAD
L
LOAD
L N
Locator
L N
SUPPLY
1 GANG
D.P. 1 WAY
56883 / 56896
Indicator
Neutral
L NBlock
SUPPLY
1 GANG AND
NEON INDICATOR
56421
Neutral
Block
Note: Completed installation should be tested in accordance with
the latest edition of the IEE wiring regulations (BS 7671).
J. GUARANTEE
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I. DISPOSAL INSTRUCTIONS
Product and packaging should be disposed of via civic amenity
facilities at the end of its useful life.
The company undertakes to replace or repair at its discretion
products should they become defective within 20 years in the case of
electromechanical Wiring Device products and 10 years in the case
of mains related electronic Wiring Device products and all Circuit
Protection and Cable Management products solely as a result of
faulty materials and or workmanship. Understandably if the product
has not been installed or maintained in accordance with the
company’s instructions, has not been used appropriately or if any
attempt has been made to rectify, dismantle or alter the product in
any way the guarantee will be invalidated.
This Guarantee states the company’s entire liability. It does not
extend to cover consequential loss or damage or installation costs
arising from the defective product. This Guarantee does not restrict
or infringe the normal statutory or other rights of the consumer.
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9. Fit the front plate to the enclosure. Do not overtighten the front
plate fixing screws (see Fig. 6).
Front Plate Fixing Screws
G. FAULT DIAGNOSIS
Figure 6
16
SWITCH PRODUCTS
1. If the service (e.g. lights) connected to the product fails to
operate, check the service is functioning, the wiring is correct
and the main fuse is intact. Then either contact your local
electrician or proceed as follows:
(a) Switch off and disconnect the mains supply to the switch.
(b) Remove front plate and check that wiring is correct in
accordance with the relevant wiring diagram and all
terminals are sufficiently tightened.
(c) Replace front plate, reconnect and switch on mains and
check operation of service (e.g. lights).
(d) If service (e.g. lights) still fails to operate, switch off and
disconnect mains supply and contact MK Electric Technical
Sales Service Department or your local MK Representative.
2. If, on those products fitted with neon indicators, the indicator
fails to light, the complete neon module should be replaced.
Contact MK Electric Technical Sales Service Department or your
local MK Representative.
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MK Electric wishes to make it clear that it owns all the original
designs of the products which it manufactures (whether or not listed
in this leaflet) and that it will take all necessary legal action in any
part of the world against any party found to be manufacturing,
distributing, selling or otherwise dealing with any article which
infringes the company’s copyrights or patents in its products, or any
other right of the company therein.
Registered Design No. Patent Pending
2025117 9300338
Design Right M.K. Electric Ltd.
It’s simply safer to say MK
MK Electric Limited
The Arnold Centre, Paycocke Road, Basildon, Essex SS14 3EA
Telephone 01268 563000 Facsimile 01268 563563 (UK Sales)
Facsimile 01268 563360 (International)
email: more@mkelectric.co.uk
Web site: www.mkelectric.co.uk
All marks in this document identified with a ® or symbol
adjacent to the mark are Trade Marks of MK Electric Limited 40433PL Ed.6
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