Tjernlund SS2 SideShot with UC1 Universal Control (Version X.04) 8504105 Rev B 05/03 - Manual (Page 17)

9. At 5 minutes into the restart, read and record the inlet temperature ________F, ________C. If this temperature is above 250 0 F (121 0 C)., continue
to step 10. If this temperature is below 250 0 F (121 0 C), insulate the pipe with an approved pipe insulation. Verify that the over fire draft and CO2
have not changed, If they have, redo the adjustment steps. With the pipe insulated, redo the 5 minute temperature test and record the new value
here ________F, ________C. If insulating the pipe did not increase the inlet temperature above 250
0 F. (121 0 C) within 5 minutes of the heating
system call for heat, call 800-255-4208 for technical support.
10. Lock down the burner primary air adjustment, the barometric adjustment knob and the SS2 draft adjustment with the lock nut that is behind the knob
bracket, (See Diagram K). Verify the over fire draft and CO2 readings have not changed from the earlier values.
DRAFT ADJUSTMENT PROCEDURE FOR GAS APPLIANCES
The SS2 Vent system will properly vent a wide range of BTU/hr. input capacities. To compensate for different burner capacities, vent connector
lengths, types and sizes, it features a draft adjustment located on the back of the venter assembly. Turning this draft adjustment knob clockwise will
increase draft and raise the BTU capacity. Turning the knob counter-clockwise will decrease draft and lower the BTU capacity. The SS2 is factory set
for the highest draft (BTU capacity).
IMPORTANT:
Before proceeding, close all windows, doors and fireplace dampers. Turn on all appliances in the structure that exhaust indoor air such as clothes
dryer, exhaust fans, range hoods, bathroom and whole house exhaust fans. Failure to perform the draft adjustment procedure may cause a poor vent
system installation possibly resulting in fire, carbon monoxide poisoning, explosion, personal injury or property damage.
1. Place the heating system into operation. NOTE: there will be a slight pause between venter operation and burner operation. A Venter pre-purge of up
to 35 seconds may also be selected. See “Pre / Post-Purge Settings” on page 5. If installation uses a barometric draft control adjust it to the minimum
or least draft setting. Allow heater to operate for 5 minutes.
2. PREFERRED METHOD: MUST HAVE DRAFT GAUGE AVAILABLE
Sample draft one foot after draft hood, diverter or barometric draft control using a draft gauge. If the draft reading is in excess of -0.05” W.C. turn
the draft adjustment knob on the SS2G counterclockwise so that a draft reading of -0.02” to -0.05” W.C. is obtained. Never adjust draft to a setting
of less than -0.02” W.C. If the vent system is terminated on a wall subject to prevailing winds a -0.05” W.C. draft setting is recommended.
3. If a draft gauge is not available test for spillage at the draft hood, diverter or barometric draft control using the
flame from a match, lighter or candle and determine the following:
A. The flame or smoke is being drawn into the draft hood, diverter or barometric draft control.
B. The main burner is burning properly, i.e. no floating, lifting or flash back.
C. If the heater has a two stage or modulating gas valve verify that burner operates properly at both low and high fire.
If the draft appears excessive turn the draft adjustment knob counterclockwise and repeat steps A through C.
4. Lock the draft adjustment knob in place by tightening the locking nut behind the bracket, (See Diagram K).
5. Turn off appliances and exhaust fans activated for draft adjustment procedure.
COMBUSTION AIR
Adequate combustion air is vital for proper combustion and for safe venting. Likewise, for proper SS2 performance, adequate combustion air must be
available to the appliance. Many installers assume adequate combustion air is present, especially in older homes. In some cases this is a false ssump-
tion, because many older homes have been made "tight" due to weatherization. Size the combustion air opening(s) into the appliance room as outlined
NFPA 54/NFPA 211. When installing a SS2, it is not necessary to supply any more combustion air than normally required when conventional venting.
Common symptoms of inadequate combustion air include: Fan Proving Switch short cycling, odor present at the end of burner cycle, outside air enters
the structure through the SS2 Vent System on SS2/Appliance off cycle.
FINAL SYSTEM OPERATION CHECK-OUT
1. Adjust thermostat or appliance controls to call for heat.
2. Verify that the SS2 operates first, prior to burner ignition.
Allow heating equipment and SS2 to operate continuously while performing steps 3-5.
3. Close all doors and windows of the building. If heating equipment is installed in utility room or closet, close the entrance door to this room.
Close fireplace dampers.
4. Turn on all appliances in the structure that exhaust indoor air during their operation, e.g. turn on clothes dryer and exhaust fans such as range
hoods, bathroom exhaust and whole house fans.
5. Allow SS2 and equipment to operate for at least 15 minutes. Tripping of the burner circuit by the Fan Prover Switch during the 15 minute operation
indicates an unsafe operating condition. Turn fuel supply off to appliance and DO NOT OPERATE UNTIL UNSAFE VENTING CONDITION IS
INVESTIGATED BY QUALIFIED SERVICE PERSONNEL.
6. Turn thermostat or equipment controls to the "off" position. Verify that the venter operates for the post-purge time period set while burner is not firing
before the SS2 turns off. See “Pre / Post-Purge Settings” on page 5.
7. Return all windows, doors and exhaust fans to their original conditions of use.
TROUBLESHOOTING OIL ODORS
Many problems can be eliminated quite easily by having the equipment properly set up by a professional oil-heat service contractor. The sophistication
of today's heating equipment and instrumentation needed for efficient operation requires proper training. There is no substitute for the work of a quali-
fied oil-heat service professional. All troubleshooting recommendations that follow assume the equipment is installed and maintained by a qualified
service person.
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DIAGRAM K
DRAFT ADJUSTMENT
LOCKING KEPS NUT
DRAFT
ADJUSTMENT
KNOB
TIGHTEN KEPS NUT
AGAINST BRACKET ONCE
DRAFT POSITION IS SET