All A22/M22 Assemblies

All A22/M22 Assemblies

43

Installation

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MOUNTING THE PANEL

Panel Hole Dimensions

22 dia.

(0.87)

25 dia.

(0.98)

24.1

(0.95)

22.3

(0.88)

22.3

(0.88)

25

(0.98)

3.2

(0.13)

For 25 mm-dia. holes, always use 25 mm-dia. Rings. (Since the

cutout dimensions are large, IP65 cannot be guaranteed unless

25-dia. Rings are used.)

If outer surface treatment such as paint is applied to the panel,

the panel dimensions after outer surface treatment must meet the

specified panel dimensions.

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MATRIX INSTALLATION

1. The following panel hole dimensions apply when Switch Units

and the Standard-size Legend Plate Frame Lock Fitting are

mounted.

30

(1.18)

45

(1.77)

A22N-PR, -MR, -PX

A

30

(1.18)

41

(1.61)

2. The following panel hole dimensions apply when the

Large-size Legend Plate Frame is mounted.

45

(1.77)

45

(1.77)

A

30

(1.18)

41

(1.61)

A

Locking should be applied toward the Engraving Plate.

Note: The above dimensions are the smallest-possible mounting

dimensions. However, these dimensions do not apply to

large Pushbutton Switches. For large Pushbutton

Switches, determine the distance between holes, taking

the Operational Unit and Legend Plate Frame into

account.

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MOUNTING THE OPERATIONAL UNIT

ON THE PANEL

Insert the Operational Unit from the front surface of the panel,

insert the Lock Fitting and the mounting nut from the terminal

side, then tighten the nut. Before tightening, check that the rubber

washer is present between the Operational Unit and the panel.

When using a Legend Plate Frame, put one rubber washer each

between the Legend Plate Frame and the panel and between the

Operational Unit and the Legend Plate Frame. (One rubber

washer will be provided when one Legend Plate Frame is

ordered.)

Align the Lock Fitting with the groove in the casing, then insert

the Lock Fitting so that its edge is located on the panel side.

Tighten the mounting nut at a torque of 0.98 to 1.96 N • m{10 to

20 kgf • cm}.

When using a Lock Ring, replace with the supplied Lock Fitting,

insert the projecting part into the lock slot, and then tighten the

mounting nut.

Hold here

Mounting nut

Lock Fitting

Rubber washer

Panel

Proj-

ecting

part

Panel

Lock

Fitting

When the panel cutout dimension is 25 mm dia., remove the

supplied rubber washer and mount the 25 mm-dia. Ring as

shown below. (Since the A22Z-R25 is not attached to the main

body, order separately.)

Operational Unit

25-dia. Ring

Panel

Lock Fitting

Mounting nut

(A22Z-R25)

22.3 dia.

25 dia.

25 dia.

22.3 dia.

22.3 dia.