Burnham CHG150, CHG225

Figure 9.3: Wiring of isolation relay for Control of Two Heating Circulators

Contents

Main SEIRESGHC Page Table 2.2: Specications Figure 2.1: General Conguration I Product Description II Specications III Before Installing IV Locating the Boiler NOTICE Table 4.2: Clearances From Vent Piping To Combustible Construction Figure 4.1: Clearances To Combustible Or non-combustible Material V Air for Ventilation Page VI Venting A. Vent System Design Page Table 6.2a: Summary of Horizontal Venting Options Table 6.2b: Summary of Vertical Venting Options Page Page Table 6.6: Vent/air intake Fitting Equivalent Length Table 6.5: Burnham Vent/air intake System Components Table 6.5a: alternate Vent Systems and Vent Components B. Removing an Existing Boiler From a Common Chimney C. Vent / Intake System Assembly Page Page Page Page VII Condensate Drain Line Page VIII Gas Piping Ix System Piping A. General System Piping Precautions B. System Design Table 8.1: Flow requirements Through Boiler Method 1: Primary/Secondary Piping - Boiler in Secondary Loop Page Page Table 8.5: Pipe and Circulator Sizing for Boiler Loop Table 8.6: Pipe and Circulator Sizing for indirect Water Heater Loop Table 8.7: Fitting Equivalent Lengths Method 2: Primary/Secondary Piping - Boiler in Primary Loop Method 3: Direct Connection to Heating System (Generally NoT Recommended) Page Page Page Flow (GPM) D. Piping for Special Situations Page x Wiring Page Page Page xI Start-up and Checkout NOTE Page Page Table 10.3: Typical CO2/O2 Combustion readings range Page xII operation Page Page Table 11.3: Boiler Status Codes Page xIII Service and Maintenance ImPOrTaNT Page xIV Troubleshooting Table 13.1: No Error Code Displayed Table 13.3: Soft Lockout Codes Displayed CODE CONDITION POSSIBLE CAUSES Page Page KEY DESCRIPTION CHG150 CHG225 BURNHAM PART # QUANTITY BURNHAM PART # QUANTITY KEY DESCRIPTION CHG150 CHG225 BURNHAM PART # QUANTITY BURNHAM PART # QUANTITY Page Page Page Page KEY DESCRIPTION CHG150 CHG225 BURNHAM PART # QUANTITY BURNHAM PART # QUANTITY Page Page Page Page Page ImPOrTaNT