Gretsch-Unitas L-10002-04 Quick Start Manual

Fixing Instructions for : L-10002-04
Door Closer Power Selectable EN 2-5

Regular Fixing

1
Using the templates provided, mark and
drill pilot holes into the door and frame.
4
No.1 No.3
No.2
No.4
65 °
Installation Instructions: Please refer to actual size template for exact fitting dimensions

Pre-Loading of Arm

For the unit to provide the optimum performance and overcome any resistance
upon closing it is recommended that the armset is "pre-loaded" To pre-load,
reposition the fixing angle of the arm onto the mechanism so that the end of the
closing cycle would be past the stop position, as indicated below.
90°
Before

Installation and Maintenance Instructions:

Warning
1.Please note the minimum power size requirement for fire / smoke
door assemblies is 3 as required by Approved Document B.
2.Do not install mechanical hold open devices on fire / smoke door
assemblies.
3.Take care not to exceed the maximum opening angle as detailed
above.
4.Care and attention must be taken when adjusting any of the units
control valves to avoid damage through over adjustment.
5.All our Door Closer units are sealed for life and the internal
components assembled under high load, therefore, tampering
with the mechanism is to be strictly avoided.
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2
Using the templates provided, fix the mechanism to the door
as well as the armset and any necessary brackets.
Adjusting the force
No.3 Delayed Action
Fast Slow
90°
After
3
Operate door closer in order to check operation.

Adjustment Details

This unit is a power adjustable mechanism. Power / force adjustment is carried
out by a single adjustment valve in the end of the mechanism. The unit is
pre-set in the factory at EN size 3. Please see table below for adjustment
details for each power size.
The following adjustment valves have a maximum adjustment of 1 full turn per
valve. PLEASE NOTE over adjustment will damage the mechanism and/or the
performance of the door closer and invalidate its guarantee.
Adjust Backcheck (valve #4) and the Delayed Action (valve #3) before
adjusting the Closing Speed (valve #1) and Latching Action (valve #2).
Fixing in Fig.1 / Fig.61
Max. Max.
Power
Door width Door weight
size
850mm 40Kg
2
3 950mm 60Kg
4 1100mm 80Kg
5 1250mm 100Kg
Factory preset
CW:Clockwise CCW:Counterclockwise
After Installation
1.When the closer operates to close
the door from its maximum opening
position, it should ensure the lock
latchbolt and any seals are overcome
and the leaf returned into its frame.
2.When the door is slightly open and
the latch bolt resting against the
strike, release the door to ensure the
leaf fully closes into its frame.
1121
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BS EN1154:1997+ A1:2002
5
4 8 1 1 4
2
Attach the armset to the mechanism ensuring the
pre-loading requirement has been completed.
Max.
Number of turns
Door opening
180° 8CCW
180° 8CCW
180° 0
180° 7CW
Maintenance
1.Once the unit has been correctly
fitted it is recommended that
periodic checks
months) are carried out to ensure
all fixings are tight and the door
closes freely and positively into
the frame, without slamming.
2.A light oil lubricant (non-graphite)
should be applied to the moving
joints and exposed pivot points.
ISSUE 02:08/17
10608 ZINS-F1128-9Z
17
CPR
AD5326
APPROVED
PRODUCT
CF 5514
90°
(every six