S8600B,C,H,M; S8610B,C,H,M; S8670D,E,J,K INTERMITTENT PILOT GAS IGNITION CONTROL
บริษัท เอดีดี เฟอร์เนส จํากัด
ADD FURNACE CO.,LTD.
44 ซอยบรมราชชนนี 70 ถนนบรมราชชนนี แขวงศาลาธรรมสพน์ เขตทวีวัฒนา กรุงเทพฯ 10170
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https://www.add-furnace.com E-mail: sales@add-furnace.com
•
If necessary, adjust pilot flame by turning the
pilot adjustment screw on the gas control
clockwise to decrease or counterclockwise to
increase pilot flame. Following adjustment,
always replace pilot adjustment cover screw
and tighten firmly to assure proper gas control
operation.
•
Set thermostat below room temperature to end
call for heat.
THIS FLAME IS CHARACTERISTIC
OF MANUFACTURED GAS
CHECK FOR:
•
HIGH GAS PRESSURE
•
ORIFICE TOO SMALL
M2233B
Fig. 11. Examples of unsatisfactory pilot flames.
•
Recheck ignition sequence as follows.
•
Reconnect main valve wire.
•
Set thermostat to call for heat.
•
Watch ignition sequence at burner.
•
If spark still doesn’t stop after pilot lights,
replace ignition control.
•
If main burner doesn’t light or if main burner
lights but system locks out, check the control,
ground wire and gas control as described in
“Troubleshooting” on page 10 and refer to the
Troubleshooting Guide (Fig. 14).
LED Status and Troubleshooting
The control has one LED used for flame sensing and
system status:
STATUS LED
M29907
Fig. 12. Location of LED.
Table 6. Continuous Retry Models C, M, E, and K Only—Green LED Status Codes.
Recommended Service Action
Power up - internal check
Normal startup - ignition
sequence started
(including prepurge)
4 Seconds
ON then “x”
flashes
Device in run mode. “x” =
flame current to the
nearest
A.
5 minute Retry Delay
- Pilot flame not detected
during trial for ignition
Initiate new trial for ignition after retry delay
completed.
If system fails to light on next trial for ignition check
gas supply, pilot burner, spark and flame sense
wiring, flame rod contaminated or out of position,
burner ground connection.
CHECK FOR LACK OF GAS FROM:
•
CLOGGED ORIFICE FILTER
•
CLOGGED PILOT FILTER
•
LOW GAS SUPPLY PRESSURE
•
PILOT ADJUSTMENT AT MINIMUM
CHECK FOR LACK OF AIR FROM:
•
DIRTY ORIFICE
•
DIRTY LINT SCREEN, IF USED
•
DIRTY PRIMARY AIR OPENING,
IF THERE IS ONE
•
PILOT ADJUSTMENT AT MINIMUM
CHECK FOR:
•
EXCESSIVE DRAFT AT PILOT
LOCATION
•
RECIRCULATING PRODUCTS
OF COMBUSTION
NOISY LIFTING BLOWING
FLAME
CHECK FOR:
•
HIGH GAS PRESSURE
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