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Dorma ED 100 / ED 250 Mounting & Installation Guide

Feb 08, 2026
Dorma ED 100 / ED 250 Mounting Instructions - Installation Guide

Preparing Assembly

Important: The cable length for external components must not exceed 30 m.

Unless otherwise specified, all dimensions are specified in mm.

  • Ensure that the door is equipped with hinges suitable for automatic operation.
  • Before mounting on a smoke or fire safety door, check whether the device is approved in conjunction with the door.

Use the data below to check whether the device meets the necessary requirements. Mounting can be started when the parameters are followed.

Component Compatibility

Device parameters and compatibility
Component Article No. Specifications / Notes
Standard arm 225 29271xxx F/225, F/225, F/125
Standard arm 500 29272xxx F/300, F/500
Slide rail pulling 29275xxx F/± 30, F/± 30
Slide rail pushing 29275xxx F/EN 4/30
CPD slide rail pulling 29276xxx F/30–60, F/30–60
CPD 250 slide rail pulling 29276xxx F/60–100, F/60–100
Axle extensions 20 mm 29278012 F, F, F
Axle extensions 30 mm 29278013 F, F, F
Axle extensions 60 mm 29278016 F, F, F
Axle extensions 90 mm 29278019 F/350 (Combinations vary)
  • F: Suitable for use on standard and smoke protection doors.
  • F/xxx: Suitable for use on standard and fire and smoke safety doors, the frame reveal depth is limited to xxx mm.
  • F/EN 4/xxx: Suitable for use on standard and on fire and smoke safety doors, restricted to EN 4, the frame reveal depth is limited to xxx mm.
  • o: Suitable for use on standard doors.
  • x: Combination not possible.

Depending on the installation situation, select the corresponding drilling image. Drill the holes shown in the drill image in door leaves and door frame/wall.

Mounting on the hinge side pulling with slide rail and short lever bolts

Constraints:

  • Frame reveal depth maximum ± 30 mm
  • Door without rebate
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 50 22 41
20 mm ● ● 51 70 42 61
30 mm ● ● 61 80 52 71
60 mm ● ● 91 110 82 101
90 mm - ● 121 140 112 131

Mounting on the hinge side pulling with slide rail and long lever bolts

Constraints:

  • Frame reveal depth maximum ± 30 mm
  • Door with rebate
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 63 22 54
20 mm ● ● 51 83 42 74
30 mm ● ● 61 93 52 84
60 mm ● ● 91 123 82 114
90 mm - ● 121 153 112 144

Mounting on the hinge side pulling with CPD slide rail and short lever bolts

Constraints:

  • Frame reveal depth maximum 60 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 62 22 53
20 mm ● ● 51 82 42 73
30 mm ● ● 61 92 52 83
60 mm ● ● 91 122 82 113
90 mm - ● 121 152 112 143

Mounting on the hinge side pulling with CPD slide rail and long lever bolts

Constraints:

  • Frame reveal depth maximum 60 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 75 22 66
20 mm ● ● 51 95 42 86
30 mm ● ● 61 105 52 96
60 mm ● ● 91 135 82 126
90 mm - ● 121 165 112 156

Mounting on the hinge side pulling with CPD 250 slide rail and short lever bolts

Constraints:

  • Frame reveal depth up to 250 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 61 22 52
20 mm ● ● 51 81 42 72
30 mm ● ● 61 91 52 82
60 mm ● ● 91 121 82 112
90 mm - ● 121 151 112 142

Mounting on the hinge side pulling with CPD 250 slide rail and long lever bolts

Constraints:

  • Frame reveal depth maximum of 250 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 74 22 65
20 mm ● ● 51 94 42 85
30 mm ● ● 61 104 52 95
60 mm ● ● 91 134 82 125
90 mm - ● 121 164 112 155

Mounting on the hinge pushing with slide rail and short lever bolts

Constraints:

  • Frame reveal depth maximum 60 mm
  • The maximum opening width is 95°
  • Note lever position!
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 14 49 5 40
20 mm ● ● 34 69 25 60
30 mm ● ● 44 79 35 70
60 mm ● ● 74 109 65 100
90 mm - ● 104 139 95 130

Mounting on the opposite side to the hinge pulling with arm

Specifications:

  • ED 100 = 0 mm–300 mm
  • ED 250 = 0 mm–500 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 18 51 9 42
20 mm ● ● 38 71 29 62
30 mm ● ● 48 81 39 72
60 mm ● ● 78 111 69 102
90 mm - ● 108 141 99 132

Mounting on the opposite side to the hinge pushing with EN 7 arm

Specifications:

  • ED 100 = 0 mm–300 mm
  • ED 250 = 0 mm–500 mm
Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 18 51 9 42
20 mm ● ● 38 71 29 62
30 mm ● ● 48 81 39 72
60 mm ● ● 78 111 69 102
90 mm - ● 108 141 99 132

Mounting on a centrally-mounted door with CPD slide rail and short lever bolts

Note: The HS parameter (band spacing) must be changed to the negative area.

Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 15 61 6 52
20 mm ● ● 35 81 26 72
30 mm ● ● 45 91 36 82
60 mm ● ● 75 121 66 112
90 mm - ● 105 151 96 142

Mounting on a centrally-mounted door pulling with CPD slide rail and short lever bolts

Note: The parameter HS (band spacing) must be changed to the negative area.

Axle Extension Dimensions
Axle extension ED 100 ED 250 A (mm) W (mm) C (mm) D (mm)
Default ● ● 31 61 22 52
20 mm ● ● 51 81 42 72
30 mm ● ● 61 91 52 82
60 mm ● ● 91 121 82 112
90 mm - ● 121 151 112 142
Tags: automatic door guide, Axle Extensions, Door Installation, Dorma ED 100, Dorma ED 250, mounting instructions, Swing Door Operator
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Dorma ED 100 & ED 250: Mounting Instructions & Technical Data
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Dorma ED 100/250 Mounting Instructions - Installation Guide

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