Time Delay Relays
Issue: The output relay appears to be already energized on my True Off Delay timer without any input voltage applied. It was that way when I received it or I found it in that state during installation. What happened and how do I fix it?
The Macromatic TR-6 Series Time Ranger programmable time delay relays have gone through an extensive redesign that was introduced in February 2017.
Issue #1: I have the control switches from 5 separate OFF Delay time delay relays from other manufacturers wired in parallel so one switch can operate all 5 at once. However, when I replaced one of the original units with yours, the Macromatic product operated once and then stopped working. What’s wrong?
Differences Between the Obsolete SS-5 & SS-6 Series Time Delay Relays vs. Current TR-5 & TR-6 SeriesMonday: February 13, 2017
The SS-5 Series and SS-6 Series of plug-in time delay relays were manufactured by Macromatic through the summer of 1999. At that time, they were replaced by the TR-5 & TR-6 Series, the next generation of Macromatic plug-in time delay relays. The TR-5 Series was further updated in 2012 and a redesigned TR-6 Series was introduced in 2017 with major changes.
The THS-1054A series offers accurate and reliable operation as a Low Pressure Switch Bypass or “Bypass Timer”. The time delay relay operates over a wide temperature range making it a good choice for winterstart applications having low ambient startup temperatures.
Issue: How do I set the THL-8 Series Time Delay Relay?
Solution: All THL-8 Series products come with a specific single time delay range as indicated on the nameplate and by the two-digit code at the end of the Product Number. Setting the time delay is accomplished through the use of a 10-position DIP-switch.
Issue: I am using a TR-61626 Programmable Time Delay Relay with a special pin configuration with the trigger switch between pins 7 and 10 that needs to be replaced but now I am told it is no longer available. What can I do?
Issue: What is the difference between On Delay, Off Delay, Single Shot, Interval On and all these other time delay functions? Solution/Resolution: Understanding the differences between all the functions available in time delay relays can sometimes be a daunting task. When designing circuits using time delay relays, questions such as what initiates a time delay relay,
Issue: What is the difference between an "Off Delay" & a "True Off Delay" time delay relay, and when is the True Off Delay function used? Solution/Resolution: Pneumatic time delay relays worked great, but they were normally very large & very expensive. In addition, they were only available in two functions: On Delay with Normally
Issue: I have noticed that most time delay relays with functions such as Repeat Cycle, Delayed Interval & ON/OFF Delay have as standard the same range available for both ON & OFF times. I need a 5 second ON time and a 30 minute OFF time, but no available one range covers both times. What