aurcor wrote:
thanks again!
We are keeping the RV so I will get the upgrade kit. (Thanks Doug)
Instead of reconnecting the jack on the TSTAT side.
would this work?
https://www.dyersonline.com/dometic-a-c-18ft-communication-cable.html
Also, what change came with 5 button? just zones?
Regs,
cj
The change was 2 things.
1. To change ZONES(having more than 1 roof AC unit) required you to push 2 buttons at the same time and people either did not know that or forgot and had a problem controlling multiple AC units
2. The 4 button could not have a FREEZE control for Heat Pumps. The 5 button(which does have a Zone button which is the 5th button) has a Freeze Thermister which will work in hot and cold evap temps.
3. When you buy the new kit, you will remove the existing BiMetal freeze control and install the included Freeze Thermister in its place. The 4 button freeze control will not work with the 5 button circuit board. Doug