Question about Goodman GMS90703BXA Heater
Installed furnace with two zones, main floor with stat with 24 volt acuator/baffel in air supply and bed room down stairs with stat with 24 volt acuator/baffel in air supply. how do i wire the stats to control the heat and air cond. and also control the acuators
You will need a control to operate motorized zone dampers. In the ductwork, you will install a damper in each line going into the area you want zoned. If you have air conditioning you will also require a barometric relief damper that allows air to pass thru the ductwork and not restrict air over your A/C coil. Common controls are made by Honeywell and EWC.
If you already have the control module, you will run two or three (low voltage) wires from each motorized damper back to the control. Your thermostat wires (also low voltage) will run from each thermostat to the control module and connect to a zone relay. Match each zone by number. You will need to run power to the control module that will provide power to the thermostats as well as the motorized damper. Check on the reverse side of the control module and/or check on the web to find the wiring diagram.
Posted on Nov 21, 2008
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Posted on Jan 02, 2017
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You need to find out if the problem is in the T-stat, T-stat wire or in the furnace you can do this in a few easy steps
Step 1- Unwire the low voltage from the furnace. Then turn the power back on and see if the blower comes on if it does then the problem is in the furnace and you will need to troubleshoot the furnace (see bottom of page for troubleshooting furnace) if it does not then proceed to step 2
Step 2- Wire the low voltage back up to the furnace (follow the wiring diagram below). And unwire the T-stat, make sure that no wires are touching each other, then turn the power back on to the furnace, if the blower starts then you have a short in the T-stat wire and you will need to pull a new wire. If it does not then proceed to step 3
Step 3- Turn the power back off at the furnace and wire the T-stat back up (follow the wiring diagram below). Turn the T-stat to auto heat 90 if the heat does not start but the blower just runs then you need to replace the T-stat.
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