20 Most Recent Electric York / Paragon A-111-20 Heat Pump Timer Questions & Answers

I have no idea if this will work, but can you turn on the air conditioning for a few minutes?
If this is a refrigeration heat pump, by turning on the A/C the coil will get warm to try to remove heat from the house.
Gary

is it cooling at all ?

It actually sounds like you may have answered the question yourself. If the mercury isn't breaking contact, then obviously it's still calling for more heat. This is a common problem with the old mercury thermostats and are usually replaced with digital ones that are way more accurate. The are fairly cheap at Wal-Mart and such, and replacing one is basically all color coded.

Lost the manual ? then google for it. turn the dial to 6

defective unit. get a new one.

https://www.hunterindustries.com/en-metric/support/why-does-my-controller-display-no-or-no-ac

This ought to be a Harbor Freight product (#40148) and here is their manual for it: https://manuals.harborfreight.com/manuals/40000-40999/40148.pdf Rotate the dial, clockwise only, until the time printed on the dial lines up with the arrow.

That means it has reached pressure; reset it and use it.

Sounds like an outdoor dawn-dusk timer: Manuals for several types and brands appear on following link: http://waterheatertimer.org/Outdoor-timers.html#digital If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

The power going into the timer will be black, (Hot), and White(Neutral) using a multitester set to AC voltage 600v, will give you the voltage. Be careful when working with Live electricity.

There should be a fuse or breaker that would turn that off. It should be on one circuit by its self for the bathroom heating system. If its a breaker just flip the breaker switch.

Probably need contactor for any pump rated 1Hp or more. Wiring shown on following link: http://waterheatertimer.org/How-to-wire-DTD-1440-timer.html#SUL Gene Water Heater Timers Save Money If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7