heat pump won't regulate temperature

by Bill
(Nova Scotia Canada)

Senville Leto 18000 btu. New unit and won't regulate temps. If set at 70 it keeps getting warmer in house and unit doesn't stop putting out heat.If I manually drop temp to 69 then a/c comes on and cools house but when 69 is reached, the eat pump keeps cooling and doesn't stop. If I then manually put temp to 70 then heat comes on and the cycle starts again.

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Aug 29, 2018
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"Feb 05, 2016 Easy fix? Senville" comment is CORRECT to gain temp control NEW
by: Anonymous

Newly installed Aura 18k, had no control of temp in COOL mode (would overshoot SET TEMP on cooling, never slow down as it passed target setting.)

Very frustrated, can't reach tech support, literature no help at all.

In AUTO mode, there was some adherence to SET TEMP but I never want the heat to come on in Summer, which means the COOLING mode needs to work. It cools well, but just IGNORES ANY SET TEMP. From what I'm reading here from others, this is a well known defect that affects heat and cool, and issue persists after circuit board and sensor replacements.

Anyways, pleased to report that the suggestions cited in the 2 year old post identified in my subject line allowed the SET TEMP to work (must only use "Follow Me" and be vigilant about line of sight between remote and wall unit, and keep FOLLOW ME link active (reset frequently to ensure link persists.)

All in all, this is very disappointing that the temp control is so shoddy making operation waaaay to much work. I mean these electronics should be very easy to fix/update/recalibrate and Senville could present us equipment that actually works.
Shame on them for not correcting this by now.


Apr 12, 2018
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Success in rental units
by: Anonymous

I have 5 of these in my rental units. Everyone works perfectly because i installed them properly and maintain them properly.

Apr 11, 2018
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E1 error code nightmare
by: John

Our Senville Aura dual zone system has been anything but good. Thought that buying this system online would save a few dollars but ended up costing us more in the end. Had a tech out last year to top up the r410a as it was putting out very little cool air. We thought that was normal until I felt the cool air coming out of a mini split system at a local restaurant. What a difference. That's when I called a HVAC tech. He said these units that are sold online normally don't come fully charged. Just pre-charged. He said there is a difference and they don't mention that clearly in manuals. Their were no leaks in the system as he verified this. Now a year later, my downstairs indoor unit is showing E1 error code. Did the breaker reset scenario, and no change. Just comes on says defrost and stays on defrost for 3 minutes then goes to E1 error. The indoor unit upstairs works perfectly fine. I checked the L2 and S connections to verify the +/- alternating voltage and it was ok for both indoor units. Not sure what else to do. Any help would be appreciated before I consider throwing it out for heavy garbage pick-up.

Nov 17, 2017
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temp
by: Brian

will a 18000 oura indoor work hooked up to a 18000 leto/

Sep 13, 2017
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Junk
by: Kelly

I've had nothing but trouble with my 12000... leaking evaporator, both circuit boards and lack of control in heat. The lowest setting maintained 70* which is way too warm for a holiday home when we aren't there. I'm an ac technician and thought I was saving a few bucks buying this... big headache!!! It's coming out and headed to the dump after 7 months of yse

Sep 13, 2017
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Follow me don't work
by: Anonymous

9000 but. Follow me won't work. Defaults to 74 and stays there. Front panel reads 70 on heat.


Feb 05, 2016
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Senville Is Garbage
by: Anonymous

I have installed a Senville Leto 18000 btu 1 year ago. It had many leaks on the coil and eventually got a replacement. It doesn't produce much heat and even worse in lower temperature.

Feb 05, 2016
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Easy fix? Senville
by: Anonymous

I have a 12000 and a 18000 btu Aura units. Thermostat placement is critical. Use follow me function and always manually set mode to heat or cooling. Never auto. Wall thermostat placed in
strategic location helps even more. When the follow me function is turned on make sure the wall unit can always see the front of the remote. Do not mount the remote vertical. Aim it at the wall unit and turn off then back on every day the follow me function as there is no indication if the link was lost. If the link is lost the wall unit tries to maintain the temperature at the wall unit location and seems to be programmed to take into account that the higher location is going to be warmer even if the follow me indicator on the remote shows active. Location location and location of the thermostat is paramount. Its worth the trouble. Given the low cost of these units and how very quiet they are its worth the little extra setup trouble. My dec/jan bill alone went done from $675 to $415 and that's total electricity usage. Actual heating cost reduction as percentage is more. I live in Montreal Canada corner house exposed to wind. Heat pumps mounted on north facing side.

Nov 20, 2015
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Senville 18,000 btu split
by: Anonymous

I bought the 18,000 BTU Senville split unit in May. I've been fighting with them ever since. It won't stop heating at 69° on Manual, Automatic or Follow Me modes. It keeps going on up to 80°. When I pull it down just one degree, like 68° and if on automatic it turns on the cooling cycle (reverse) and freezes us out! During the summer that just past (2015) it was the same thing in reverse. They sent another inside circuit board which I switched out. Still the same problem! No change at all.
So far they have attempted a fix by sending two circuit boards and two sensors for the inside unit which by the way did not come in a original OEM replacement parts box.
I just thought I’d check to see if anyone else is having the same issue and the internet is loaded with the same complaints! If they don’t get with it we all will have to band together looks like. Sure wished I’d checked before I bought from them.
By the way, their advertising claimed the system could be set as low as 46° so we could leave it on while away.. It only goes to 64° on the remotes window. More untruths!.

Mar 16, 2015
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Price good, then you are on your own
by: Jim NB

This to me is like buying a lottery ticket, the price is low, but should you need help, you're on your own.

If you are able to work or have someone that can work on heat pumps then it not that bad, the price is nearly 1/2 of any other on the market, I bought 2 18000 for the price of one Fugitsu , It is hard to decide. One of ours worked good from the beginning, the other constantly froze up to the point I had to turn it off so the fan didn't break on the ice. The next thing is hard to believe, When I had tried all I could I simply asked the Angels to fix it and believe it or not the next AM I checked the heat pump and it was completely clear of ice and has worked perfectly ever since. So if you believe in Angels, by all means buy the Senville.
God bless
Jim

Feb 13, 2015
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senville thermostat
by: Neal

my brand new senville 9000 btu has similiar problems right out of the box. Set it to 74 and it goes down to about 72 or so. Set it to 75 and it goes up to 81. Price was too good to be true I guess.

Dec 26, 2014
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Senville Auro multi-zone.
by: Anonymous

I have a 3 zone/2 zone, with 3 indoor 9000 BTU Aura's. 2 Zone on heating works perfect, keeps rooms at set temp, lights up defrost light and idles (like it should it heat mode).

On the 3 zone, 2 of the units work as expected, the third unit will not stop heating, goes until I shut it off, the other 2 units will go into DF mode as they should and keep those rooms at set temp. Not sure what the issue is, just doesn't seem to pay attention to the temp setting, maybe thermostat issues.

Can't see the circuit board from front to make sure they are plugged in, and do not think I can take it off the wall without unplugging linesets and having to purge/recharge again.

Oct 22, 2014
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My Senville Leto has bad thermostat
by: Anonymous

New out of the box Senville Leto. If I set the temp to 68 it'll keep heating the house to 75 plus. If I set it to 67 it'll cool it into the 50's! Obviously they don't put a very good thermostat system in these as I hear of this complaint a lot. So my question is can I wire in a digital thermostat? How do I go about that? Thanks

Oct 05, 2014
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Not Regulating Heat
by: Anonymous

Bill, My Senville 18,000 BTU unit is doing the same thing. It wont regulate the heat in the manual Heat mode. It does however regulate the temperature in the auto mode however the air conditioner runs often and uses energy unneccessarily.

Did you find a fix?

Regards,

Kelly

Mar 22, 2014
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Senville heat pump doesn't stop
by: Anonymous

The new installed 18000 btu heat pump doesn't stop.

I set 75 and the indoor temp. up to 78, the pump still running.

Jan 08, 2014
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REPLY
by: Anonymous

My thermostat is built in so yes it is the right one. Yes wired correctly. I have 3 and thre other 2 work properly.

Jan 07, 2014
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Thermostat
by: Anonymous

Learn more about your thermostat....

Is this thermostat intended for operation with your particular heat pump?

Is it programmed incorrectly?

Is is wired incorrectly? Does the thermostat operate on one sensor or multiple sensors?

Maybe even the thermostat is defective. It is most likely one of the above questions.

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