We have amana heat / air units in our motel. I am not at the motel at thia time, but the manager has called me saying the unit was not getting warm and the digital lights say SP. can you tell me what SP means I do not have the product numbers with me.

The cold that you describe may be just unconditioned air? If you are certain you can hear the comp operating for a couple of minutes, and then the heat starts, I would guess it is a reversing valve issue if it's a heat pump and it probably is. Or the control board acting up. I've had a lot of issues with the boards in the Amanda PTAC units. I can't remember how to configure it, but if you Google "Amanda ptac configuration", there is a lot of info online. May try a reset method first. Hope this helps!

The first 3 answers were from idiots. If a person had read her problem they would understand that it is not a oven / stove, but a PTAC unit that heats and cools a room. This type of unit is what is commonly seen in hotels and motels where the individual heating / cooling system is in each room.

the wall stat maybe bad. or wires to remote stat may be shorted

You can actually google PTAC units or window a/c units and a whole bunch of stuff will come up.Some of the things that will appear are foroms where people give their own opinions/reviews of the one they purchased and have used for a couple of months or so.Some people will say don't ever buy this,etc. etc.They also have a rating system that averages out everyone's ratings.

I have a similar situation with 66 a/c units in my motel. The problem is the drain valve in the back of the unit (near the compressor) does not function properly. It is supposed to open when the water temp (laying in the bottom of the unit) gets to 50 degrees cusing the drain valve to open and let the water out. The problem is the water never reaches 50 degrees when the outside temperature is in the 80's. So the water sets in the units. The fan sprays the water over the fan motor, heating element and inside the chasis causing it to rust from the inside out. I have notified LG and they are investigating it...... Amana has the same problems with their units which use the same drain valve and they have removed the drain valve in several motels in the area.
I would suggest removing the drain valve or wedging something under the little round plate so the the unit drains. Also make sure your A/C is tilted properly so the water runs to the back of the unit and drains.

clean the coils inside and out should help--might be alot of moisture in apt unit

Here they are;

Position A, Cool 70-78, Heat 65-73
Position B, Cool 68-81, Heat 68-76
Position C, Cool 66-83, Heat 61-78
Position D, Cool 63-88, Heat 58-83

Amana calls this a Temerature Limiter and says to only set one switch on at a time. If all switches are off then the unit is at full operating range.
Please rate this answer to let me know if it was the fix.

when the coils freeze up , from intake of outside air, when using the heat pump mode, the unit will try to defrost the coils before going back to heat mode. mine did this alot. does it kick back to heat after a few mins? also after 2 years , mine started having issues with the exhaust blower control and would go into warp mode and bang noise.seems like common issues for this unit.whether the amana, or haier version.

you should probebly have a technician ;look at your unit . if its a heat pump the reversing valve may not be owrking correctly. Also if it is not a hp then the electric heaters may have a bad sequencer and or limit that is not operating properly. Either way the quickest way to get it up and runing would be to call a technician out to repair it. Have a Merry Christmas!

It sounds like the thermostat bulb has moved or the unit is getting an immediate air recirculation due to a partial blockage or air diversion close to the unit causing the warm air to get back to the thermostat bulb too soon, heating only a very small area.

srich