Valve Tapping and Adjustment Screw Locations | PB Heat MIH guide

START-UP PROCEDURES

Figure 7.1: Gas Valve, Manifold and Burner Assembly – Standing Pilot (Continuous Ignition)

Figure 7.2: Gas Valve, Manifold and Burner Assembly – Intermittent Ignition

Figure 7.3: Valve Tapping and Adjustment Screw Locations

22

Image 24

PB Heat MIH manual Valve Tapping and Adjustment Screw Locations

Contents

Series MI/MIH Table of Contents Using this Manual Installation SequenceSpecial Attention Boxes Preinstallation Accessibility ClearancesClearance from Combustible Construction AIR for Combustion and Ventilation Air Openings All Air from Indoors on Different Floors Air Openings All Air from Outdoors through Vertical Ducts Installation Survey Planning the Layout Boiler SET-UP Water Piping and Controls Boiler Supply and Return Safety Relief Valve Parallel Hook-Up with Water Chiller Piping for Zoned Systems Zone Piping with Zone Valves Expansion Tank INDIRECT-FIRED Water HeaterFreeze Protection Vent Damper Installation General VentingIntegral Draft Hood Vent Piping and Chimney Venting with Vent Damper in Vertical Position Boiler Removal from Common Venting System Seal any unused openings in the common venting system GAS Piping Gas Connection to Boiler MIH Boiler Natural Gas Wiring Controls Zoned System WiringElectrical Sequence of Operation Wiring and Connection Diagram Intermittent Ignition Intermittent Ignition System Operating Sequence Zone Wiring with Zone Valves START-UP Procedures Completing the Installation Valve Tapping and Adjustment Screw Locations Operating Instructions For Your Safety Read Before Lighting Adjustment of GAS Pressure Regulator Adjustment of Pilot GAS FlowControl Descriptions CHECK-OUT Procedure Checking Burner Input START-UP Procedures Troubleshooting Troubleshooting Guides Problem Possible Causes Corrective Actions Intermittent Ignition System Troubleshooting Sequence Maintenance General Daily with Boiler in USEWeekly with Boiler in USE Monthly with Boiler in USE Annually Before Start of Heating Season Standing Pilot and Main Burner Flame Boiler Dimensions & Ratings Series MI/MIH Boiler Dimensions Repair Parts Repair Parts Series MI/MIH GAS Boiler 2Manifold Manifold/Gas Train MI Standing Pilot 3b Gas Valve and Pilot Intermittent 4Block/Draft Hood 4a Block/Draft Hood 5Jacket 6Controls/Circulator/Vent Damper Series MI/MIH