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Lochinvar SDT/SET065 - 119 operation manual 4 Wiring for Zone Control

Models: SDT/SET065 - 119

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SDT/SET Installation & Operation Manual

5Wiring (continued)

Indirect Water Heater Controlled Using Aquastat and Zone Circulator / Valve

1.Install Aquastat to tank. Aquastat control (TST20016) can be ordered from your local Lochinvar distributor.

2.Connect Aquastat to the zone controller for the Indirect Water Heater Zone.

3.Adjust Aquastat to the desired temperature.

Figure 5-4Wiring for Zone Control

TST20016

TEMPERATURE

ADJUSTMENT

	ZONE CONTROL BOX
	OR
	ZONE VALVE
WIRE	OR
CONNECTIONS	ZONE CIRCULATOR
	BOILER
	AQUASTAT
	CONTROL
	SOLAR SENSOR
	(FIELD SUPPLIED)
	INDIRECT TANK

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Lochinvar SDT/SET065 - 119 operation manual 4 Wiring for Zone Control

Contents

Models SDT/SET065 Solar Dual Coil TankSolar Electric Tank Contents Hazard definitionsDANGER Indirect water heater operation When servicing the indirect water heaterAPPROXIMATE TIME / TEMPERATURE Please read before proceedingTable 1A Component Materials 1General InformationOperating Restrictions Single-WallHeat ExchangerTable 2A Water Chemistry Requirements 2Pre-installationLocating the Tank Recommended ClearancesZone with Valve to Aquastat 3Boiler Side Piping SDT modelsZone with Circulator to Aquastat Multiple Tank Connections Boiler SideTable 3B Pressure Drop Chart SDT/SET119 3Boiler Side Piping SDT models continuedTable 3C Table 3A Pressure Drop Chart SDT/SET065-080NOTICE NOTICE SOLUTIONZONE #1 ZONE ZONE ZONE #2 #3 #4BOILER ZONE ZONE ZONE#2 #3 #4 SQUIREMAKE UP WATER 3Boiler Side Piping SDT modelsKNIGHT BOILER SQUIREWATER TEMPERATURE3Boiler Side Piping SDT models continued MAKE UPMultiple Tank Domestic Water Piping 4Domestic Side Tank PipingBasic Domestic Piping Domestic Water Piping for Distant Fixtures4Domestic Side Tank Piping continued Temperature & Pressure T&P Relief ValveInstall Drain Valve Standard InstallationStandard Installation Table 4A Minimum Relief Valve CSA RatingBTU/hr 200,000SQUIRE 4Domestic Side Tank Piping continuedANTI-SCALD Figure 5-1 Thermostat 5WiringThermostat Adjustment Electrical ConnectionModel 5Wiring continuedVolts / Phase Wire Gage5Wiring Indirect Water Heater Sensor Setup Knight BoilerInstall tank sensor Connect tank sensorFigure 5-4 Wiring for Zone Control 6Start-upand Check-out To Fill the Water Heater 7MaintenanceMaintenance Schedule Homeowner monthly maintenance to include8Performance Data How to Properly Size Your Indirect Water HeaterTable 8B First Hour Rating - 180F Boiler Loop Water 8Performance Data continuedFirst Hour Rating - 180F Boiler Loop Water Knight Boiler - SDT065 - SDT119Model First Hour Rating - 200F Boiler Loop WaterNote Testing conducted with 50F inlet cold water 8Performance DataParallel Piping 9High Output PipingHigh Domestic Hot Water Usage Series PipingTemperature Parallel ConfigurationTank temperature was 140 F Table 9ATable 9C Series ConfigurationTank temperature was 140F 9High Output Piping continued