Diehl Program Timers User Manual

Operating Manual Program Timers Variotime Single and Variotime Twin
Diehl AKO Stiftung & Co.KG, Appliance Europe, Pfannerstraße 75-83, DE – 88239 Wangen
Tel. +49 (7522) 73-0 • Fax +49 (7522) 73-250 • info@diehl-controls.com • www.diehl.com/controls/appliance
Subject to change without notice – issued 04-2015 – page 1/20
Operating Manual
Program Timers
Variotime Single
Variotime Twin
Fig. 1: Variotime Single, first from left with optional accessories mounted
Variotime Twin, first from right
Please note:
This operating manual is designated for use by our OEM customers and as
supporting material for their own appliance manuals.

Diehl Program Timers Specifications

General

Brand	Diehl
Model	Program Timers
Category	Timer
Language	English

Summary

General

Safety Instructions

Crucial safety precautions for installation and operation, emphasizing qualified personnel and protection against hazards.

Timer Overview

Introduction to the Variotime as an electronic program timer for appliance integration.

Program Timer Functions

Functional Elements and Connections

Connections

Diagrams and explanations of mains supply and relay contact connections for different models.

Variotime Single (7-day) Functional Elements

Variotime Single (24-hour) Functional Elements

Variotime Twin Functional Elements

Installation and Connection

Display Symbols

Explanation of the various symbols and indicators shown on the Variotime timer's digital display.

Variotime with Build-in Housing

Step-by-step guide for installing and connecting the timer into an appliance's integrated housing.

Variotime with Panel-Mount Housing

Operating Variotime

Initial Power Up

Procedure for initial setup after connecting the timer to the mains for the first time.

Setting Time and Day

Detailed steps to correctly set the current time of day and day of the week on the timer.

Channel Indication and Power Failure

Understanding channel indicators and how power failures affect timer operation and memory.

Setting Operating Modes

Guide to selecting between continuous ON, deactivation, and automatic operating modes.

Continuous Operation Mode

How to set the timer for continuous ON operation for both Single and Twin models.

Deactivation Mode

How to set the timer for continuous OFF (deactivation) mode for both Single and Twin models.

Automatic Mode

Description of how the timer operates according to the programmed schedule.

Setting Switching Points

Instructions for programming ON/OFF switching points, including daily blocks and scheduling.

Switching Point Operations

How to check, change, or cancel individual switching points and program settings.

Reset and Skip Functions

Procedures for resetting the timer and temporarily overriding program modes.

Technical Data

Technical Specifications

Comprehensive list of technical specifications including functions, ratings, and dimensions.