Trane S8V2D120M5PC User Manual

S8V2-SVX001-1A-EN
67
Install correct size
orifices
check operaons
NO
Check burner alignment
Correct as needed
Check operaon
DEFINITION
Limit switches are safety devices
that will open when an abnormal
high temperature has been sensed.
REMOVE ALL JUMPER WIRING TO
SWITCHES!
Under no circu
mst
ances, shall these
switches be le" jumpered when not
troubleshoong.
4.2 Fault Code
Roll-Out Limit
Is the burner orifice size
56? Or matched to
Installer Guide for LP?
Disconnect electrical
power to furnace
Is LP gad being
used?
NO
YES
YES
Is flue piping
sized and
pitched correctly
YES
Correct as needed
Check operaon
Repair flue pipe for correct sizing
and long horizontal runs or slope
less than per linear foot.
correct as needed
NO
1/4 ”
Remove, clean, and
reassemble burners.
Push RED reset on
both rollout switches
Cycle power to
furnace and call
for heat
Ignion occurs
Do all burners
ignite within 5
seco
nds?
YES
Are flames from
burners impinging on
sides of heat
exchanger?
NO
YES
Are all burner flames directed
into heat exchanger with a
ght pa$ern? (inadequately
aired burners tend to roll
back)
YES
Check combuson air
blower, venng, heat
exchanger for blockage
(i.e. soong)
NO
When fan comes
on, do flames
stay consistent?
NO
Replace heat
exchanger
Check operaon
YES
Replace Roll out
switch
Check operaon
NO
TTrroouubblleesshhoooottiinngg

Trane S8V2D120M5PC Specifications

General

Brand	Trane
Model	S8V2D120M5PC
Category	Furnace
Language	English