40
12. Assemble the vacuum relief valve balance weight onto
the gate. Refer to the vacuum relief valve manufacturer’s
instructions for details.
13. Mount the assembled vacuum relief valve gate with balance
weight into the tee and fasten with a screw and nut in collar
tabs. To insure proper operation, the gate must be level
across the pivot point and plumb. Refer to the vacuum
relief valve manufacturer’s instructions for details.
VI. DIRECT VENTING / AIR INTAKE PIPING (continued)
14. Install remainder of air intake piping to Direct Vent
Termination air intake collar, securing each joint with at
least (3) sheet metal screws (installer provided) evenly
spaced.
15. Maintain ¼” per foot slope in horizontal run to air
intake of Direct Vent Termination.
16. Support the air intake piping, as required, using
perforated metal strap or other supports.
17. Refer to Burner Manufacturer's Manual for addition
information.
Summary of Contents for MPO - IQ
Page 6: ...6 Figure 1 MPO IQ84 Thru MPO IQ231 Water Boiler ...
Page 22: ...22 Figure 11 Boiler Removal from Skid III UNIT PAK BOILER ASSEMBLY TRIM CONTROLS continued ...
Page 42: ...42 Figure 28A Schematic Wiring Diagram VII ELECTRICAL continued ...
Page 43: ...43 Figure 28B Schematic Wiring Diagram Burner Options VII ELECTRICAL continued ...
Page 44: ...44 Figure 28C Ladder Diagram VII ELECTRICAL continued ...
Page 70: ...70 Bare Boiler Assembly XIV Repair Parts continued ...
Page 72: ...72 Jacket Assembly XIV Repair Parts continued ...
Page 74: ...74 MPO IQ84 Thru MPO IQ231 Water Boilers Trim and Controls XIV Repair Parts continued ...
Page 78: ...78 Beckett AFG Burner XIV Repair Parts continued ...
Page 80: ...80 Beckett NX Burner XIV Repair Parts continued ...
Page 92: ...92 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net ...