In that case they simply capped off the blue wire and made no connection at the t-stat, but I have no idea if there was any VDC(-) supplied to the A/C elsewhere, or even if it is needed. Gonna be really nice for the times when we show up on weekends when its chilly or hot out and need it at a comfortable temp before we get there rather than wait for it after we get there.

I'm not good enough with electronics yet to figure out the DIY hacks for 24v systems, but I am proficient enough to install a 12v thermostat. With the corresponding control kit packages, you can connect each source to this sleek and simple wall thermostat in no time. I am in the process of installing one of the Airxel Circuit Boards that will allow me to connect my A/C to be thermostat controlled.

I've used the new T-Stat for a week over Thanksgiving and a 4-day trip in January - works great and love that I have a digital temp readout inside the camper. one set were people adding the control box to a Coleman-Mach t-stat in which case the t-stat had a connection for the blue wire. Pair up to 3 Thermostats to a single smart device Connect up to 4 smart devices to control thermostat operations For iOS and Android devices iOS 9. These additional features bring your campers climate control closer to what you find in a residential home. Well won't go into the reasons, but we did not make the get away and the camper is back in the barn.

PHP, but I also wanted the separate gas/electric heat settings, since I also installed the electric heat kit in my AC unit. Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. This digital, multi-zone thermostat can control up to FOUR (4) rooftop air conditioners or heat pumps, plus FOUR (4) zones of gas, hydronic or electric strip heaters and fans from one location! Low fan is activated by the brown (or gray) wire connected to -12 vdc through the thermostat switching. It is gona be at least a week and a half until I am in an area where Mobile techs will be available as a last resort.So at this point I am throwing in the towel and looking for a mobile tech when I get to the east coast. I then connected the blue wire to a 12 VCD(-) connection at my heater, and directly connected that to the control box. Testing V at the control box, I was getting no reading on either the Yellow (a/c) or green (high fan) wire. For example, if you have an 8xxx series control package, you cannot use that control kit with this 9xxx series thermostat. The system utilizes a series of advanced heat sensing devices which track temperatures in each of the four zones and activate heating or cooling as needed to maintain the selected temperatures.

So, I guess I would then ponder, does it do any good or harm to connect the blue wire that leads to the A/C to the VDC(-) that is not connected to the t-stat. I removed my Coleman thermostats and replaced them with Honeywell thermostats that I could expose to and control by my home automation system. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice.As you can see in this outback owner's post, the trailer wire colors have nothing to do with the thermostat standard colors. Coleman-Mach makes a diverse selection of wall thermostats to help keep you warm or cool you off while you're on the road. It would not work because the voltage from the ac relay board to the thermostat power in (red wire) was stepped down to 7. For the Coleman Mach III I had i had to unhook the existing wires from the coleman thermostat and connect them to the micro air adapter and then just plug that into the micro air. designed to run on 12VDC, can be configured for single or dual ac unit, gas furnace AND electric heating element in AC, switchable fan speeds, fan only option, and heat pumps.

If your new thermostats requires 12 volts but does not use batteries then you will need the blue (-) wire. This Coleman Thermostat is simplicity at its best, providing complete control of your air conditioner, heat pump, gas, hydronic or electric strip heating and fans from one convenient wall thermostat.

Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). The Easy Touch T-Stat brings modern touch screen and Bluetooth technology to your RV, making your RV living more comfortable. Simply set the temperature using the easy-to-use slide selection switch, and the thermistor air temperature sensor will activate heating or cooling as needed to maintain your ideal environment. If it is the bedroom ac and cool only then the yellow wire will go to the “Y” terminal of your thermostat per Airxcel.