Tjernlund SS1R SideShot (Discontinued Version - Pre UC1 Universal Control) 8504046 Rev 05/95 User Manual

Page 18

Set draft adjustment according to "Draft
Adjustment Procedure" on Page14.

SS1-R and appliance are not interlocked
correctly or malfunction of appliance controls.
Refer to electrical diagrams in this manual and
appliance manufacturer's troubleshooting guide.

Remove blockages or crimps. Replace tube
if it leaks.

Replace Solenoid Valve
Part #950-0790.

Replace 120V Relay
Part #950-0791.

Replace Fan Proving Switch
Part #950-0750.

Check firing rate of appliance and "equivalent"
vent pipe length. They should not exceed the
maximum capacity of the SS1-R.

Step 7.
Confirm that 120V Relay is operating properly.

CAUTION: Do not operate appliance until source
of excessive heat has been determined. Check
for Vent Hood blockage or burner malfunction.

Step1.
Verify draft adjustment has been made.

Step 3.
Check Fan Proving Switch tube for clear passage.

Step 4.
Verify adequate pressure at Fan Proving Switch.
Pressure Gauge should read -.07" w.c. minimum

at Fan Proving Switch Test Port.

Step 5.
Check Fan Proving Switch for electrical continuity.

Step 6.
Confirm that solenoid or valve opens when

120V power is applied.

Step 8.
Reset the High Limit by depressing the button
located on the center of the switch. Appliance
should operate.

Yes

No Voltage

Tube is Clear

Draft is Adequate

Yes

Valve Opens

Yes

Voltage

Exists

Replace High Limit Switch
Part #950-0640.

SYMPTOM 3: APPLIANCE WILL NOT OPERATE, BUT SS1-R DOES

Step 2.
With the appliance calling for heat and SS1-R
operating, verify proper control voltage exists
between terminals "Y" and "R" of terminal strip.