LCN 4840 Manual de usuario

*25381*

25381

1 General Information

This door operator requires these additional system components:

7900 or 7980 series Control Box

• 459 Pnuematic Door Loop Kit, (4 1/2 “ maximum reveal depth, see page 6) or

• 460 Pnuematic Transfer Hinge Kit (see page 6)

Push & Pull side actuator devices (switches)

LNOTE: 460 Transfer Hinge requires an interior door raceway between transfer hinge and 4840 Auto - Equalizer®

Requirements:

Minimum door width is 24”

Minimum door top rail is 4 1/2”

Minimum stop width is 1”

Flush or single rabbeted frames require a - 418 FPA

Arm Options:

EDA (standard), Cush N Stop or Spring Cush

Non-Handed/Non-Sized/Low Energy

Installation And Adjustment Of Door Operator

4840 Auto-Equalizer

Installation Instructions

Left

Hand

Door

Right

Hand

Door

Left Hand Installation Shown

How To Tell Hand Of Door

CAUTION

Improper installation or regulation may result in personal

injury or property damage. Follow all instructions

carefully. For questions, call LCN at

877 - 671 - 7011

Standoff

Mounting

Plate

30°

Main Arm

30°

Approx.

Figure 1

Figure 2

2 Operator Installation

LNOTE: If using the 460 transfer hinge, install at this time. See page 6 for details.

2a Prepare door & frame per template on page 7. Drill and/or tap holes to receive 1/4 - 20 machine screws or No. 14

wood screws. Use fasteners provided by LCN to keep warranty valid.

2b Remove operator assembly from mounting plate, as shown in Figure 1 above. Install mounting plate on door using

(6) 1/4 - 20 x 5/8” machine screws or (6) No. 14 x 1 1/2” wood screws provided. Reattach operator assembly.

2c Place arm on the top of closer shaft with main arm parallel to the door. Place wrench on the bottom of the closer shaft

and rotate toward hinge approx. 30°. See Figure 2. Main arm can now be placed on to closer shaft. Secure with arm

screw.

LNOTE: If installed properly, main arm will rest against door.

2d Swing door open about 45°. Using the fasteners provided, mount shoe to frame stop per proper templating on page 7.

Be sure to install the “fth” screw. If stop is not wide enough, use spacer block provided or cush shoe support shown

on page 7.

2e Connect air line to air inlet tting, then feed other end toward control box by either using the 15” pneumatic door loop

or the pneumatic transfer hinge (see page 6).

Standoff

Mounting

Plate

30°

Main Arm

30°

Approx.

Figure 1

Figure 2

3 Closing Force Adjustment (see Figure 3)

3a To adjust Closing Force, turn the spring adjustment

nut clockwise or counter-clockwise the required

number of turns to match the door width in Tables 1 &

2. Maximum adjustment, 5 turns counterclockwise and

7 turns clockwise.

CAUTION

Do not set door speed faster than chart recommends.

4 Closing Speed Adjustment (See Figure 3)

4a THE 4840 SERIES CLOSER HAS BEEN

REGULATED PRIORTO SHIPMENT. If regulation

adjustments are needed use 3/32 Hex wrench

furnished, and refer below.

4b A “normal” closing time from 90° open position is 5 to

7 seconds, evenly divided between Main Speed and

Latch Speed.

4c To slow Main Speed of door, turn regulating screw

(nearest to arm) clockwise.

4d To slow Latch Speed of door, turn regulating screw

(nearest to latch) clockwise.

4e Do not allow door to slam into frame.

5 Backcheck Adjustment

5a Backcheck slows the door swing as it approaches full

opening (see Figure 3).

5b Increase the resistance of backcheck only if necessary

to prevent the door from striking a wall. To do this,

turn the regulating screw (nearest to hinge) clockwise

by quarter turns. DO NOT USE AN ABRUPT

BACKCHECK.

Table 1

Exterior Door

Maximum Door Width Number of Turns

30” 0 Turns

36” 2 Turns C.W.

42” 7 Turns C.W.

Table 2

Interior Door

Maximum Door Width Number of Turns

34” 5 Turns C.C.W.

38” 0 Turns

48” 2 Turns C.W.

54” 7 Turns C.W.

FIGURE 3

LATCH SPEED

MAIN SPEED

BACKCHECK

SPRING

ADJUSTMENT NUT

INCREASE

FORCE

DECREASE

FORCE

6 Opening Speed Adjustment

LNOTE: For air pressure regulation, see control box instructions.

6a The door opening speed must be adjusted to suit the width and weight of door. The wider and / or heavier the door,

the slower it should open. To determine opening speed, measure door width and weight and set speed to open door

from 0° to 80° for the time shown in Table 3 below. The opening speed control adjusting screw is located in the end

of the door operator near the tubing connection (see Figure 4). Using a 3/32” hex wrench (provided), turn the speed

control clockwise to slow the door, counterclockwise to increase door speed.

Opening

Speed Control

Adjusting Screw

(Socket Head Regulating Screw)

Operator

Model No.

Figure 4

Table 3

Door Weight

in Pounds

Fastest Opening Time in Seconds to 80°

Position

Door Width in Inches

36” 42” 48”

100 lbs. 3.0 sec. 3.0 sec. 3.0 sec.

125 lbs. 3.5 sec. 3.5 sec. 3.5 sec.

150 lbs. 3.5 sec. 3.5 sec. 3.5 sec.

200 lbs. 4.0 sec. 4.0 sec. 4.0 sec.

LNOTE: If door width or weight is between the sizes and pounds listed, use the time shown for the next wider or heavier

door.

6b If door weight cannot be measured, the weight can be estimated by nding the area of the door (length x width) and

multiplying it by the weight per square foot for the door type that is being used, as shown in Table 4 below.

Table 4

Door Type Weight per Sq. Ft.

Solid Core Wood

20 Ga. Flush Hollow Metal

Aluminum x 1” Glass

5.5

Mineral Core Door

16 Ga. Flush Hollow Metal

Aluminum x 1” Glass

7.0

7 Delay Time Adjustment

After opening, the door should remain at the 90° position for no less than 5 seconds. This “Delay Time” can be increased to

approximately 30 seconds by turning the timer adjustment wheel(s) clockwise. For the location of this wheel(s), refer to 7900 or 7980

Series Control Box Instruction Sheet. Adjust “Delay Time” to maximum practical for the elderly or handicapped. Time cycle begins when

switch or scanner is activated.

8 Attach Cover

8a Slide cover insert into the bottom cutout in cover (see Figure 5).

8b Push cover over the operator assembly and against mounting plate.

8c Insert cover screws and tighten securely.

9 Locating the Caution/Automatic Door Decal

9a Locate one decal on each side of door near lock stile of door, approximately 18” min. to 42” max. above the oor. The

decal location must be visible without interference from door trim, panic devices, etc.

9b Clean a 6” x 6” area where decals will be placed.

9c Apply one decal (item 16 on page 10) on each side of the door. Remove backing and “roll” onto door to avoid

trapping air under decal.

Figure 5

Concealed or Surface Air Transfer Options

10 Pneumatic Door Loop Installation (see Figure 6)

LSee page 8 for template

LReveal must be less than 4 Z\x”

10a Remove the cover end cap (closest to hinge stile of

door) by removing the (2) Phillips head screws from

inside the cover.

10b Place the proper hand template (see cutouts on page

11) over the end cap and tape down securely.

10c Once the template is in place, drill (1) 3/8” hole, and

(2) 1/16” holes in the proper location.

10d After holes are drilled, remove template and place end

cap back on the cover.

10e Feed 1/4” tubing through the drilled end cap and also

through the 15” aluminum tubing supplied with kit.

10f Place 90° door loop cap on cover end cap (making

sure to line up slots over the ends of the 15” tubing)

and secure with No.6-32 screws provided.

10g Feed the 1/4” tubing (either 180° up the frame, or 90°

into the frame), place the concealed 90° or the surface

180° (depending on the installation) door loop cap

over end of the 15” aluminum tubing and secure to the

frame of the door. (See Figure 6).

Figure 6

Figure 7

90° Concealed

Cap Shown

180° Surface

Cap Shown

11 Pneumatic Transfer Hinge Installation (see Figure 7)

LA INTERIOR RACEWAY FROM TRANSFER HINGE TO 4840

CLOSER IS REQUIREDTO USE THIS PRODUCT, SEE PAGE

9 FOR TEMPLATE.

11a Apply pneumatic transfer hinge housing using No.

8-32 machine screws provided.

11b Connect tubing using the inline tubing splice provided

11c Apply transfer hinge unit using No.10-24 machine

screws provided.

11d Check operation of pneumatic transfer hinge unit.

LNOT FOR USE WITH SWING CLEAR HINGES OR CENTER

PIVOTS!

Figure 6

Figure 7

90° Concealed

Cap Shown

180° Surface

Cap Shown

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Item No. Part No. Description Quantity

1 925 1/8 “ I.D. Pneumatic Tubing 5’ or 12’ Section

2 4810-18 Standard Mounting Plate 1

3No. 14 x 1 1/2”

1/4-20 x 5/8”

Phillips Head Wood Screw or

Phillips Head Machine Screw 6

4 4810-182 Standoff 2

5 4840-3071 LCN Switch-Actuated Auto Equalizer 1

6 1/4-20 x 2 1/2” Phillips Head Machine 4

7 4810-159 Arm Shaft S 1

4040SC-3035

4040EDA-3035

4040CNS-3035G

Spring Cush Arm Assy.

Extra Duty Parallel Arm Assy.

Nonhanded Cush-N-Stop Assy.

1/4-20 x 5/8”

1/4-20 x 1 1/2”

No.14 x 2 “

Phillips Head Machine Screw

Phillips Head Wood Screw

10 4840-72 Cover 1

11 4840-163 Cover Insert 1

12 4810-31L Long Cover Screw 2

13 4810-31 Cover Screw 2

14 7900 or 7980 Control Box 1

15 920 Series Compressor (optional) 1

16 4820-155G Decal 2

17 4840-459 Pneumatic Door Loop Kit (optional) 1 or

18 4840-460 Pneumatic Transfer Hinge Kit (optional) 1

AUTOMATIC

DOOR

CAUTION

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