Midco
®
International Inc. -
4140 West Victoria Street - Chicago, Illinois 60646 - toll free: 866 705 0514
tel: 773.604.8700 - fax: 866.580.8700 - web:
www.midcointernational.com
- e-mail:
12
Printed in USA
8471 15
ISO
9001
C
O MPAN
Y
R
E
G
IS T ER
E
D
As an ISO 9001:2008 certi
fi
ed company, we proudly design, manufacture and assemble our products in Chicago, Illinois, USA.
MADE
in the
USA
Incinomite - J121-DS - Installation Manual
917
III FLAME ON ONLY DURING 6-SECOND TRIAL FOR IGNITION
A. With motor running check burner line voltage terminals for 120V as follows:
1. Between strip terminals
L1
and
L2
- 120V: voltage OK.
2. Between strip terminals
L1
and
GND.TERM.
- 120V: ground OK.
3. Between strip terminals
L2
and
GND.TERM
. - no volt age: no back-feed neutral OK.
B. Follow test procedure as specifi ed in Step II G.
1. Connect DC microamp meter in series with sense wire and Electronic Control SENSE terminal.
With fl ame on, fl ame signal should be steady and at least 2 microamps. Check sense wire for
continuity Adjust ignitor gas pressure to obtain acceptable signal and note gas pressure and
signal strength for future reference.
IV. SHORT FLAME
A. Low gas pressure
B. Air shutter open too far
C. Input adjuster not set properly
V. LONG HAZY FLAME
A. High gas pressure
B. Air shutter closed too far
C. Insuffi cient free air in combustion chamber
D. Dirty blower wheel
E. Input adjuster not set properly
VI. GAS FAILS TO SHUT OFF
A. Defective automatic valve
B. High gas pressure
*Normal low voltage: Motor running - 24V minimum Automatic valve energized - 21V minimum
__________________________________________
Trouble Shooting
Continued
