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DORMA ED 100 & ED 250 Mounting Instructions & Axle Dimensions

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Mounting Information

1. Mounting on Hinge Side (Door without Rebate)

Configuration: 12.5 mm pivot pin

Key Dimensions: Upper edge of door. Maximum lintel depth ± 30 mm.

Table 1: Axle Extension Dimensions (Standard & Extended)
Axle Extension ED 100 Dimensions ED 250 Dimensions
A B C D
Standard (9 mm) 31 mm 50 mm 22 mm 41 mm
30 mm 61 mm 80 mm 52 mm 71 mm
60 mm 91 mm 110 mm 82 mm 101 mm
90 mm 121 mm 140 mm 112 mm 131 mm

2. Mounting on Hinge Side (Door with Rebate)

Configuration: 25 mm pivot pin

Key Dimensions: Upper edge of door. Maximum lintel depth ± 30 mm.

Table 2: Axle Extension Dimensions for Rebated Doors
Axle Extension ED 100 Dimensions ED 250 Dimensions
A B C D
Standard (9 mm) 31 mm 63 mm 22 mm 54 mm
30 mm 61 mm 93 mm 52 mm 84 mm
60 mm 91 mm 123 mm 82 mm 114 mm
90 mm 121 mm 153 mm 112 mm 144 mm

3. Mounting on Opposite Hinge Side

Configuration: Standard mounting

Lintel Depth Ranges:

  • ED 100: 0 mm - 300 mm
  • ED 250: 0 mm - 500 mm
Table 3: Axle Extension Dimensions (Opposite Hinge)
Axle Extension ED 100 Dimensions ED 250 Dimensions
A B C D
Standard (9 mm) 19 mm 51 mm 9 mm 42 mm
30 mm 49 mm 81 mm 39 mm 72 mm
60 mm 79 mm 111 mm 69 mm 102 mm
90 mm 109 mm 141 mm 99 mm 132 mm
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Dorma ED 100/250 Mounting Instructions: Setup & Accessories
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Dorma ED 100 / ED 250 Operator Installation Guide

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