Advertisement
Quick Links
INSTALLATION, OPERATING AND
SERVICE INSTRUCTIONS FOR
9700609
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).
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
Heating Contractor
Address
103859-07 - 8/15
MPO - IQ™
3-PASS OIL BOILER
Boiler Serial Number
Installation Date
Phone Number
Price - $5.00
®
Advertisement
Related Manuals for U.S. Boiler Company MPO-IQ
Summary of Contents for U.S. Boiler Company MPO-IQ
- Page 1 MPO - IQ™ 3-PASS OIL BOILER 9700609 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).
-
Page 2: Troubleshooting
40°F. operation of the oil burner. The selection of the nozzle Check environmental issues with local authorities having supplied with the MPO-IQ boiler is the result of extensive jurisdiction. testing to obtain the best flame shape and efficient combustion. -
Page 3: Before Troubleshooting
xIII. TROUBLE SHOOTING (continued) 3. Control locks out after Trial For Ignition (TFI). NOTICE a. No oil to burner. b. Shorted electrodes. If flame is not established within 15 seconds of oil valve actuation (known as Trial For Ignition c. Nozzle clogged. [TFI]) lockout will occur. - Page 4 xIII. TROUBLE SHOOTING (continued) make sure that they are tight. Also, check the wiring 4. A defective control or component is generally the least on the boiler against the wiring diagram in Figures likely cause. Before replacing a component, try to rule 28A, 28B and 28C.
- Page 5 xIII. TROUBLE SHOOTING (continued) E. USE BOILER CONTROL DISPLAY ERR AND ERP NUMBERS TO DIRECT TROUBLESHOOTING (continued) TABLE 14B: ExTERNAL DEVICE (Oil Primary, Option Card, etc.) ERROR NUMBERS Display Status Recommended Corrective Actions The cad cell resistance is higher than normal while running, the system is in need of a tune Warning, Cad Cell - Check for proper alignment of the cad cell and clean the eye if necessary.
- Page 6 xIII. TROUBLE SHOOTING (continued) E. USE BOILER CONTROL DISPLAY ERR AND ERP NUMBERS TO DIRECT TROUBLESHOOTING (continued) TABLE 14B: ExTERNAL DEVICE (Oil Primary, Option Card, etc.) ERROR NUMBER (continued) Display Status Recommended Corrective Actions Flame was proven during the valve on delay period. Check the oil valve for proper Flame Out of Sequence, operation.
- Page 7 xIII. TROUBLE SHOOTING (continued) F. USE BOILER CONTROL DISPLAY STA (STATUS) NUMBER TO GUIDE TROUBLESHOOTING The Boiler Control will flash “STA” followed by a number. Use this number to identify the boiler problem in the table below: 1. Burner and Circulator Off Display / Status Recommended Corrective Action The boiler has not detected a call for heat (hr = off and dh = off).
- Page 8 xIII. TROUBLE SHOOTING (continued) F. USE BOILER CONTROL DISPLAY STA (STATUS) NUMBER TO GUIDE TROUBLESHOOTING (continued) 5. Burner will not come on Display / Status Recommended Corrective Action When a hard lockout occurs the burner shuts down and will not restart until the Oil Primary’s manual reset button is pressed.
- Page 9 xIII. TROUBLE SHOOTING (continued) G. USE OPTION PANEL DISPLAY TO DIRECT TROUBLESHOOTING If Boiler Control Shows Status Code “STA 15": The Boiler Control is “Waiting for Limit to Close and Option Panel display (display to right) will show one of the following status codes: Option Panel Display Shows "Err"...