Replacing an HVAC Ignition Control
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Do I need to replace the transformer with a 30VA?
© By: Dave Rongey
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HVAC Ignition Control
[ad#block] Electrical Question: Do I need to replace the transformer with a 30VA?
- I am replacing an HVAC ignition control.
- The current (original) transformer in the system is 60HZ 230V Load 24V 40VA.
- The new replacement ignition control is a Honeywell S8610U3009 which is a replacement for the original Johnson Control G600AX-1 unit.
- Looking at the specifications on the new Honeywell unit, I see that it has: Control Voltage:
Line 24 V (18-30 Vac) 50/60 Hz.
- If my existing transformer is 40VA, do I need to replace the transformer with a 30VA?
Honeywell Ignition Control: http://www.warming-trends.com/manuals/HoneywellControlModule.pdf
Johnson Control G600AX-1: http://cgproducts.johnsoncontrols.com/met_pdf/1201136.pdf
Carrier HVAC (see pg.12 – Fig.10): http://dms.hvacpartners.com/docs/1009/Public/08/48HK,KL-17SI.pdf
This electrical wiring question came from Marlin, in Calabasas, California.
Dave’s Reply:
Thanks for your electrical wiring question Marlin.
HVAC Ignition Control Transformer
Replacing an HVAC Ignition Control
- Ignition Control Transformer
- As long as the existing transformer is producing 24volts it will not need to be replaced.
- The existing 40VA transformer will provide the same level of power needed for the replacement ignition control.
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