User ManualTable of Contentsinstallation (all water heaters)6Codes6Location6Recommended clearances6Operating restrictions7Code restrictions7Temperature & pressure relief valve8Air vent8Piping drawings and drain valve information9Thermal expansion13Water hammer13General piping information13Domestic water piping14Boiler water14Water heater thermostat connection15Filling the inner (domestic water) tank16Filling the outer (boiler water) tank16Start-up checklist17Safety warning and General notes18Plus 40/60/8019Setting the thermostat — PLUS 100/110/11919Maintenance schedule — Annual service by qualified technician20Maintenance schedule — Homeowner’s monthly maintenance20Filling21Draining21Draining inner (domestic water) tank21Draining outer (boiler water) tank21Maintaining domestic water temperature in the supply piping22Time delay at fixtures22Balancing22Components required22Connecting to the water heater22gas-fired boiler applications24System water piping methods25Boiler circulator25Sizing space heating system piping25System water piping methods25Boiler circulator25Sizing space heating system piping25Zoning with zone valves26Zoning with zone valves26Zoning with circulators27Zoning with circulators27Combined space heating/water heating applications28Dedicated water heating-only applications28Combined space heating/water heating applications28Dedicated water heating-only applications28Combined space heating/water heating applications28Dedicated water heating-only applications28Installation must comply with:30Line voltage connections30Wiring boiler circulator30Wiring water heater circulator30Installation must comply with:30Line voltage connections30Wiring boiler circulator30Wiring PLUS circulator30Wiring a system circulator31Routing line voltage wiring31Low voltage connections31Room thermostat (space heating)31Outdoor temperature sensor31Water heater thermostat31Additional limits31Wiring a system circulator31Routing line voltage wiring31Low voltage connections31Room thermostat (space heating)31Outdoor temperature sensor31PLUS water heater thermostat31Additional limits31Follow boiler manual33Set space heating operation33Water heater operation33Water heater operation setup33Verify space heating operation33Follow boiler manual33Set space heating operation33Water heater operation33Water heater operation setup33Verify space heating operation33Verify water heater operation34Operating information34Replace boiler jacket front door34Verify water heater operation34Operating information34Replace boiler jacket front door34piping (except gas).35Two-pipe system piping — Figure 2036Two-pipe system piping — Figure 2036Primary/secondary piping — Figure 2137Primary/secondary piping — Figure 2137Primary/secondary piping — Figure 2238Primary/secondary piping — Figure 2238Figure 23 (All water heater models)39Figure 23 (All water heater models)39Figure 2440Figure 2440Figure 2541Figure 2541Multiple water heaters – water heater piping — Figures 26/2742Multiple water heaters – water heater piping — Figures 26/2742Boiler water piping for multiple water heaters — Figure 2843Boiler water piping for multiple water heaters — Figure 2843Connecting water heater to steam boiler44Installation and start-up of water heaters connected to steam boilers44Steam boiler application piping and wiring (Figure 29)45Figure 2945wiring & controls (except gas)46Wiring requirements47Wiring requirements — Circulators47Wiring requirements — Zone Valves47Boiler models requiring domestic priority with GOLD Plus 3047requirements47Wiring requirements — Circulators47Wiring requirements — Zone Valves47Boiler models requiring domestic priority with GOLD Plus 3047• Weil-McLain circulator zone controller (Figure 30)48• Weil-McLain circulator zone controller48• Using priority zone pump (Figure 31)49• Using priority zone pump49• Using pump relays • Domestic priority with priority relay (Figure 32)50• Using pump relays • Domestic priority with priority relay50• Using pump relays • No domestic priority (Figure 33)51• Using pump relays • No domestic priority51• Domestic priority optional (controller switch) (Figure 34)52• Domestic priority optional (controller switch)52• No domestic priority (Figure 35)53• No domestic priority53• No domestic priority (Figure 36)54• No domestic priority54• With or without domestic priority • Models 30/40/60/80 (Figure 37)55Plus 40/60/8055• With or without domestic priority • Models 30/40/60/80 (Figure 38)56Plus 40/60/8056• With domestic priority • PLUS 100/110/119 (Figure 39)57• With domestic priority • PLUS 100/110/119 (Figure 39)57• With domestic priority • PLUS 100/110/11957• With domestic priority • PLUS 100/110/11957• With priority using 2-way priority valve • PLUS 100/110/119 (Figure 40)58• With domestic priority using 2-way priority valve • PLUS 100/110/11958• With domestic priority using 2-way priority valve (Figure 41)59• With domestic priority using 2-way priority valve59• Pump relays • Priority with 3-way valve & priority relay (Figure 42)60• Pumps relays • Domestic priority with 3-way priority valve & priority relay60parts61PLUS 40/60/8062PLUS 100/110/11964Dimensions66Performance ratings67Warranty68Size: 4.05 MBPages: 68Language: EnglishOpen manual
