Weil-McLain Boiler - Manuals

Page 2 - Installation Manual — Multiple-boiler Systems; Contents

Part number 550-101-232/0703 2 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Contents Hazard definitions .................................................................................................................................. 3 Selection data Controls ..............

Page 3 - Hazard definitions; Controls; Selection data

Part number 550-101-232/0703 3 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems The following defined terms are used throughout this manual to bring attention to the presence of hazards ofvarious risk levels or to important information concerning the life of the product. Haza...

Page 4 - Ratings and engineering data; DOE

Part number 550-101-232/0703 4 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Ratings and engineering data Figure 1 Ratings and engineering data (see page 5 for notes) DOE

Page 5 - Water header piping

Part number 550-101-232/0703 5 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems For simplicity, the table on page 4 lists only systems using multiples of the same Ultra boiler module.Any combination of Ultra boilers can be installed as a multiple boiler system. Figure 1 Ratin...

Page 6 - Dimensions

Part number 550-101-232/0703 6 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems 1. Boiler supply and return tappings are both 1" NPT. Connect to headers with 1” pipe for Ultra-80 andUltra-105; 1¼" pipe for Ultra-155 and Ultra-230.For wall-hung boilers, water piping an...

Page 7 - CONFIDENTIAL; Placement and mounting information; Wall mounting

Part number 550-101-232/0703 7 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems 06-24-03 CONFIDENTIAL REVIEW & COMMENT ONL Y Placement and mounting information Placement, general 1. Locate multiple boilers in boiler room according to:• Figure 3 (side-to-side), or • Figure...

Page 8 - Piping; Easy-Fit® Piping installation

Part number 550-101-232/0703 8 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems 06-24-03 CONFIDENTIAL REVIEW & COMMENT ONL Y Easy-Fit ® Piping Figure 6 Single-sided connection — Maximum connected boiler output: 2-inch manifolds — 450 MBH 3-inch manifolds — 1400 MBH 4-inch...

Page 13 - Combustion air & vent piping installation; Vent piping

Part number 550-101-232/0703 13 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Figure 12 Manifolding combution air piping Combustion air & vent piping installation Vent piping 1. Each boiler requires an individual vent pipe, in- stalled and terminated per the Ultra Boil...

Page 14 - Gas piping; Connecting gas supply piping

Part number 550-101-232/0703 14 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Figure 13 Connecting gas supply piping Gas piping Connecting gas supply piping 1. Remove jacket front panel and refer to Figure 13 to pipe gas to boiler.a. Install ground joint union for servicin...

Page 15 - Common gas piping installation

Part number 550-101-232/0703 15 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Figure 14 Common gas piping, with manifolded gas header Common gas piping installation 4. Size gas piping from meter outlet to entrance of gas header in accordance with Tables 1 and 2 below. For ...

Page 16 - Additional instructions; Air for boiler room ventilation

Part number 550-101-232/0703 16 GAS - FIRED WATER BOILER — Installation Manual — Multiple-boiler Systems Additional instructions Air for boiler room ventilation 1. Follow instructions in Ultra Boiler Manual to ensure the boiler room provides sufficient air infiltration. Wiring 1. Refer to boiler seq...