Question about Carrier BCA101R Air Conditioner
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Posted on Jan 02, 2017
SOURCE: Replace thermostat
Typical color codes in Florida are;
white to W1 for heat
yellow to Y for compressor
red to R-RC-RH for power in
brown to W2 and or emergency /auxillary heat
green to G or Fan
orange to reversing valve(o/b)
blue to common.
You can open the control panel on the unit to verify these colors and components.
Posted on Feb 21, 2009
I assume you know if this is correct voltage and single or 3 phase, and whether it will fit your application or not, how is the duct work going to attach, how many people will be in the conditioned area, what is the building made of, how much insulation is has...
A little more to it than just "turn it on".
If you get the models and serial and can contact the manufacturer or their representative you might get a wire diagram. Most any package unit would do. As long as you keep the original equipment controls. If you "patch" it up it may be hazardous by not having safety's where it was designed for. Or for instance It may have a anti freeze thermostat. By passing this could lead to coil freeze up and compressor damage. Leaving out a pressure switch (if any) may do the same or could become dangerous to people in the event of fan motor failure. A low temperature fan speed switch may not be needed now unless you plan to run the AC in below 55'f.
And a few dozen other factors that might need to be considered.
If you feel confident after this then contact carrier.
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Posted on May 19, 2009
HI, THE 351 ON THE MODEL NUMBER SHOWS NOTHING. BUT THE REST IS CORRECT. IF THIS IS A HEAT PUMP, IT WILL HAVE MANY MORE CONTROL WIRES. IF YOU ARE BLOWING THE CONTROL FUSE YOU HAVE A DEAD SHORT. GO TO THE OUTDOOR UNIT AND WRITE DOWN THE COLOR AND AMOUNT OF WIRES COMING OUT OF THE UNIT, AND WHAT COLOR THEY ARE CONNECTED TO. THESE GO BACK TO THE INDOOR UNIT. RED IS ALWAYS YOUR HOT, Y IS FOR COOLING, G IS FOR FAN, AND W IS FOR HEATING. IF YOU HAVE ORANGE, BROWN, PURPLE BLACK AND SO ON COMING FROM THE OUTDOOR UNIT, YOU HAVE A HEAT PUMP. ON A SIMPLE CENTRAL UNIT, ONLY 2 WIRES TO THE OUTDOOR UNIT, RED AND WHITE. RED TO RED, WHITE TO Y ON THE INDOOR UNIT. LOOK AT THE SCHEMATIC ON THE INDOOR AND OUTDOOR UNIT, AND IT WILL SHOW YOU WHAT COLOR GOES WHERE, JUST LOOK AT THE LEGEND FOR THE LOW VOLTAGE CONNECTIONS AND THERMOSTAT, AND FOLLOW IT. YOU WILL NOT NEED ANY MANUAL. MAKE SURE YOUR RED WIRE IS NOT TOUCHING METAL ANYWHERE. KEEP ME POSTED ON THE OUT COME, WE WILL HAVE UP UP AND RUNNING. LET ME KNOW IF YOU HAVE A HEAT PUMP.
A/C AND HEATING CONTRACTOR
Posted on Mar 16, 2011
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