Furnace FAQ
Furnace FAQ's- Can I put air conditioning on this unit?Tuesday, 25 September 2007
Yes, LDJ furnaces are factory ready to add air conditioning.
Last Updated Thursday, 15 November 2007100,00% of 5 voters found this FAQ useful, I found this FAQ
useful 
not useful - What size A/C can I connect to my furnace?Tuesday, 25 September 2007
The LDJ A-Maize-Ing Heat Furnace can accommodate up to a four ton air conditioner provided the duct system and static pressure fall under the design criteria required.
Last Updated Thursday, 15 November 2007100,00% of 4 voters found this FAQ useful, I found this FAQ useful not useful - Does it require a special A/C coil?Tuesday, 25 September 2007
No, our normal supply air temperatures are 150°-180°F with a high limit lock out at 200°F. A standard air conditioning coil may be used.
Last Updated Thursday, 15 November 2007100,00% of 2 voters found this FAQ useful, I found this FAQ useful not useful - How much air can the furnace move?Tuesday, 25 September 2007
Max air flow is 1600 cfm at .075 sp. For other air flows please contact your dealer.
Last Updated Thursday, 15 November 2007100,00% of 4 voters found this FAQ useful, I found this FAQ useful not useful - Can I connect into my existing furnace?Tuesday, 25 September 2007
Yes, the furnace can be ducted in parallel with your existing system by utilizing a backdraft damper. Please consult your dealer or a certified HVAC contractor.
Last Updated Thursday, 15 November 200783,33% of 6 voters found this FAQ useful, I found this FAQ useful not useful - What type of thermostat should I use?Tuesday, 25 September 2007
LDJ recommends a digital 24 volt thermostat. For other types please contact your dealer.
Last Updated Thursday, 15 November 2007100,00% of 3 voters found this FAQ useful, I found this FAQ useful not useful - How often should I change my filter?Tuesday, 25 September 2007
LDJ recommends that you change your air filter every 2-3 months or as needed.
Last Updated Thursday, 15 November 2007100,00% of 3 voters found this FAQ useful, I found this FAQ useful not useful - Can I connect this to a zone control system?Tuesday, 25 September 2007
Yes, you will need to consult your dealer or a certified HVAC contractor.
Last Updated Thursday, 15 November 2007100,00% of 3 voters found this FAQ useful, I found this FAQ useful not useful - Why does my indoor blower run continuously?Tuesday, 25 September 2007
On the top left hand side of the furnace is a silver box with a white push pin. Make sure this pin is not pushed in. If it is, pull it out and your blower should stop. You can also check your thermostat and make sure the fan switch is set to Auto. If the problem persists, contact your dealer.
Last Updated Thursday, 15 November 2007100,00% of 2 voters found this FAQ useful, I found this FAQ useful not useful - How important is air duct sizing?Tuesday, 25 September 2007
Duct sizing and shape has a direct impact on how much air can actually be moved.
Last Updated Thursday, 15 November 200780,00% of 5 voters found this FAQ useful, I found this FAQ useful not useful
