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Weil-McLain Electric Water Heater Field wiring continued, Low voltage field wiring connections

Models: Electric Water Heater

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Figure 9 Low voltage field wiring connections

PLUS Line Instruction Manual Supplement

PLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS

3 Field wiring (continued)

Figure 9 Low voltage field wiring connections

Summer/winter switch (item 7) — Install a summer/winter switch, if desired, to disable the boiler (space heating) circulator during non-heating months. Connect switch across the outdoor sensor terminals. When switch closes, the boiler circulator is disabled and the boiler operates only on call for DHW heating.

10	Part number IWHA016A/1103

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Weil-McLain Electric Water Heater Field wiring continued, Plus & Plus Water Heaters With Gas-Fired Water Boilers

Contents

Gas-fired Water Boilers PLUS LINEIndirect-Fired Water Heaters PLUS &PLUS water heaters withHazard definitions ContentsInstaller PLUS Line Instruction Manual SupplementBoiler circulator 1 Install system water piping space heatingSystem water piping methods Sizing space heat system pipingPLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS 1 Install system water piping space heating continuedZoning with zone valves Figure 2 Zone valve zoning plus optionalPLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS Zoning with circulators1 Install system water piping space heating continued Figure 3 Circulator zoning plus optionalDedicated water-heating only applications 2 Install boiler-to-water heater pipingCombined space heating/water heating applications PLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERSPLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS 2 Install boiler-to-water heater piping continuedPLUS Line Instruction Manual Supplement Table 1 Combined space heating/water heating applications see NotesWiring boiler circulator 3 Field wiringInstallation must comply with Wiring PLUS circulatorRouting line voltage wiring 3 Field wiring continuedWiring a system circulator Outdoor temperature sensorFigure 9 Low voltage field wiring connections 3 Field wiring continuedPLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS 4 Start-up Follow Boiler Manual proceduresCheck PLUS operation setup Set space heating operationReplace boiler jacket front door Verify operation - PLUS water heaterOperating information PLUS Line Instruction Manual Supplement