U.S. Boiler Company X-2 Series Installation, Operating And Service Instructions Download

Page: 1 / 6

106636-01 - 10/15

9700609

Price - $5.00

For service or repairs to boiler, call your heating contractor. When seeking information on boiler,

provide Boiler Model Number and Serial Number as shown on Rating Label.
Boiler Model Number
X-20

Boiler Serial Number

Installation Date

Heating Contractor

Phone Number

Address

INSTALLATION, OPERATING AND

SERVICE INSTRUCTIONS FOR

X-2

™

Series

Cast Iron Gas - Fired Boiler

Summary of Contents for X-2 Series

Page 1: ...hen seeking information on boiler provide Boiler Model Number and Serial Number as shown on Rating Label Boiler Model Number X 20 Boiler Serial Number Installation Date Heating Contractor Phone Number...

Page 2: ...ut all other possible causes 5 When checking voltage across wiring harness pins be careful not to insert the meter probes into the pins Doing so may damage the pin resulting in a loose connection when...

Page 3: ...is present unplug the vent damper harness from control With wire harness unplugged check for 24Vac between P6 5 on Control and ground If voltage present replace the control If voltage not present fai...

Page 4: ...llow the recommendations in Section I Figure 1 and Section IV Venting Check Flame Rollout Switch in the event of excessive blockage of the boiler section flue passageways is developed the flame rollou...

Page 5: ...ng for recommended corrective action Flame sensed during post purge before gas valve signaled open Check the gas valve for proper operation Replace gas valve is problem persists Hard Lockout When a ha...

Page 6: ...ot flame covers flame rod and is steady and blue if not adjust pilot flame Low gas pressure at gas valve inlet Defective control 4 Main Flame Does Not Light If the main burners do not light check the...