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No.4 

Backcheck

No.1 Closing

No.2 Latching

90°

1

2

3

4

Fast Slow

Adjusting the force

No.3 Delayed Action 

(OPTIONAL)

Using the templates provided, mark and 

drill pilot holes into the door and frame.

Connect he armset ensuring the pre-loading 

requirement has been completed.

Using the templates provided, fix the mechanism to the door 

as well as the armset and any necessary brackets.

No.2

No.1

No.3

No.4

65

°

Regular Fixing

Installation and Maintenance Instructions:

Maintenance

1.Once the unit has been correctly 

fitted it is recommended that 
periodic checks (every six 
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.

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.

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 Synergy 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.

Installation Instructions: Please refer to actual size template for exact fitting dimensions 

Fixing in Fig.1 / Fig.61

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.

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 optional Delayed Action (valve #3) before 

adjusting the Closing Speed (valve #1) and Latching Action (valve #2).

90°

90°

Before

After

3

Max.

Door width

Max.

Door weight

950mm

60Kg

Power

size

180°
180°

Door opening

Max.

4

1100mm

80Kg

0
7CW

Number of turns

Factory preset  

CW:Clockwise  CCW:Counterclockwise

2

180°

850mm

40Kg

8CCW

ISSUE 03:04/19

10804 ZINS-F977-3S

Fixing Instructions for : 

S600 Series

Door Closer 

Power Adjustable EN 2-4

www.synergyhardware.co.uk

APPROVED

PRODUCT

CF5294

CPR

AD5195

1121

15

BS EN1154:1997+ A1:2002

4 8 42 1 1 3

Operate door closer in order to check operation.
Backcheck Adjustment

To increase the backcheck action, turn the valve clockwise. To decrease, or  to turn 

off backcheck, turn the valve counter clockwise.

Adjust the Closing & Latching speed.

1.The door closer can control two different speeds.

2.The No.1 speed-adjusting valve controls  the Closing speed, and the No.2 speed 

   adjusting valve controls the Latching speed.

Delayed Action (optional)

To delay the closing action of the unit adjust valve No.3

www.synergyhardware.co.uk

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