U.S. Boiler Company MPO-IQ Installation, Operating And Service Instructions Download

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103859-07 - 8/15

Price - $5.00

9700609

INSTALLATION, OPERATING AND

SERVICE INSTRUCTIONS FOR

MPO

IQ™

3-PASS OIL BOILER

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

MPO - IQ

Boiler Serial Number

Installation Date

Heating Contractor

Phone Number

Address

As an ENERGY STAR

Partner, U.S. Boiler Company has determined that the MPO-IQ™ boiler meets the ENERGY STAR

guidelines for energy efficiency established by the United States Environmental Protection Agency (EPA).

Summary of Contents for MPO-IQ

Page 1: ...n on boiler provide Boiler Model Number and Serial Number as shown on Rating Label Boiler Model Number MPO IQ Boiler Serial Number Installation Date Heating Contractor Phone Number Address As an ENERG...

Page 2: ...oke and unburned fuel to pass out of the combustion chamber and clog the flueways of the boiler 8 COLD OIL If the oil temperature approaching the fuel pump is 40 F or lower poor combustion or delayed...

Page 3: ...osed Note The Safety Monitoring Circuit SMC is designed to provide lockout in the event of a stuck or welded motor relay C IQ OIL BOILER CONTROL When a problem occurs with the boiler operation the IQ...

Page 4: ...ce control if problem persists Err 8 Manual Reset Lockout resettable Set if Err 4 was invoked four times in a row Check wiring and clear Lockout by pressing all three user keys for 30 seconds XIII TRO...

Page 5: ...uel supply lines and filter for obstructions ErP 10 No Ignition Check Ignition Transformer The burner was not lit and spark was not detected Check the electrodes spring contacts or high voltage wires...

Page 6: ...iring ErP 84 LWCO Option Card Low Water Event Low water level Limit has caused the boiler to shutdown Make sure that the water level has reached the probe Limit will re close automatically after water...

Page 7: ...Water DHW Priority Forcing Circulator Off When there is a DHW heat request wired to the boiler control s ZR terminal the System Circulator will be forced off for the duration of the DHW heat request...

Page 8: ...heck fuel lines and filter are free of obstructions Check fuel lines are fully purged of air Use the pump priming feature to purge the system of air Check that the burner motor is spinning and the pum...

Page 9: ...install card If problem persists replace card Err 5 Limit Output OFF in ON State Check limit string wiring replace the Option Panel Err 6 Incorrect Wiring Check boiler wiring Err 7 Internal Option Pan...