Install Instructions

® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc. • All Rights Reserved
INSTALLATION INSTRUCTIONS
69-0708-3
Q3450, Q3453 and Q3480
SmartValve™ System
Pilot Burners
APPLICATION
These SmartValve™ System pilot burners provide pilot
flame ignition and sensing for the SV94/SV95/SV96/
SV98XX Systems. They consist of a replaceable igniter-
flame rod assembly, bracket assembly, pilot target,
ground electrode, orifice assembly, compression fitting
and spring clip. The igniter lights the pilot burner. The
flame rod proves the pilot flame and the pilot flame lights
the main burner.
INSTALLATION
When Installing This Product…
1. Read these instructions carefully. Failure to follow
instructions can damage product or cause a
hazardous condition.
2. Check ratings given in instructions and on product
to make sure product is suitable for your
application.
3. Make sure installer is a trained, experienced
service technician.
4. After installation is complete, check out product
operation as provided in these instructions.
WARNING
Fire or Explosion Hazard.
Can cause severe injury, death or property
damage.
Follow these warnings exactly:
1. Disconnect power supply before wiring to
prevent electrical shock or equipment damage.
2. To avoid dangerous accumulation of fuel gas,
turn off gas supply at appliance service valve
before starting installation and perform Gas
Leak Test after completion of installation.
3. Do not bend pilot tubing at the control or pilot
after compression nut is tightened. Gas
leakage at the connection can result.
Follow appliance manufacturer instructions if available;
otherwise, use the following instructions.
Location
1. Position pilot burner for easy access and
observation. In replacement applications, replace
pilot burner with an identical unit and position new
pilot burner in the same location and orientation as
the original one.
2. Mount pilot burner on main burner. Mounting
surfaces other than the main burner can shift,
bend, or warp as furnace expands and contracts
while operating. See Fig. 1.
Fig. 1. Mount pilot burner on main burner.
3. Mount pilot burner so the pilot flame remains
properly positioned with respect to the main burner
flame. See Fig. 2.
Fig. 2. Location of pilot burner.
4. Supply pilot flame with ample air which is free of
combustion products.
PILOT BURNER MUST
BE RIGIDLY POSITIONED
RELATIVE TO MAIN BURNER
M2688A
PILOT BURNER
JUST RIGHT
PILOT BURNER
TOO LOW
PILOT BURNER
TOO HIGH
MAIN BURNER
FLAME WILL
IMPINGE ON
IGNITION-
SENSOR
IGNITION
FLAME WILL
IMPINGE ON
MAIN BURNER
IGNITION FLAME
JUST MISSES
MAIN BURNER
M9537
69-0708-3.fm Page 1 Monday, May 10, 2004 9:11 AM