Theben Timeguard AC1988 Installation & Operating Instructions

Adjustable pneumatic time delay switch

AC1988

Adjustable Pneumatic

Time Delay Switch

• 6A incandescent and resistive loads.

• 3A fluorescent and inductive loads.

• Range of time: 10 seconds – 10 minutes.

• 250V AC.

• Easy installation.

• Excellent for corridors and staircases.

• Can be used as intermediate if wired in parallel.

Please ensure that these instructions are read before installation,

and retained for future reference.

Table of Contents

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Page 1 AC1988 Adjustable Pneumatic Time Delay Switch • 6A incandescent and resistive loads. • 3A fluorescent and inductive loads. • Range of time: 10 seconds – 10 minutes. • 250V AC. • Easy installation. • Excellent for corridors and staircases. • Can be used as intermediate if wired in parallel. Please ensure that these instructions are read before installation, and retained for future reference.
Page 2 The AC1988 has been designed for mounting on a 20mm or 25mm deep standard BS single gang accessory box. However, it is recommended that deeper boxes are used where extra space is required for additional cables, for example when looping in. Please ensure that there is adequate space for wiring.