Lochinvar SSS03 operation manual 2Piping Diagram Zoned with Valves

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Installation & Operation Manual

3Piping

Figure 3-2Piping Diagram Zoned with Valves

		ZONE #1
PRESSURE	PRESSURE
REDUCING VALVE	GAUGE
BACKFLOW
PREVENTER
		SYSTEM SUPPLY
MAKE UP WATER		SENSOR
		(WHEN USED)
AIR SEPARATOR		SYSTEM
		CIRCULATOR

ZONE #2 ZONE #3 ZONE #4

ZONE VALVES

(TYPICAL)

DIFFERENTIAL

PRESSURE BYPASS

VALVE (IF USED)

EXPANSION
TANK
	NOT TO EXCEED 4 PIPE DIA.
	OR A MAXIMUM OF 12” APART
DRAIN POINT
(TYPICAL)	BOILER
BALL VALVE	CIRCULATOR
BALL VALVE
(TYPICAL)

	RELIEF VALVE
UNION
(TYPICAL)
TEMPERATURE /
PRESSURE	SOLUTION
GAUGE	SOLUTION
PRESSURE	BOILER
PRESSURE
RELIEF VALVE

HOT

WATER

OUT

ANTI-SCALD

MIXING VALVE

COLD

WATER

IN

RECIRCULATION

LOOP

AQUASTAT

SQUIRE

8

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Contents Save this manual for future reference Contents Hazard definitionsWhen servicing the indirect water heater Please read before proceedingComponent Material General InformationOperating Restrictions Pre-installation Characteristic Min MaxLocating the Tank Recommended ClearancesPiping Boiler Side Piping1Piping Diagram Zoned with Circulators 2Piping Diagram Zoned with Valves 3Knight Boiler Primary / Secondary Piping Tank Piping with a Temperature Limiting Valve Domestic Side PipingDomestic Water Piping for Distant Fixtures Relief Valve Discharge Piping5Recommended Domestic Water Piping Wiring Indirect Water Heater Sensor Setup Knight BoilerIDW Controlled Using Aquastat and Zone Circulator / Valve 2Wiring for Zone ControlMaintenance Start-up and Check-outLimited Lifetime Indirect Water Heater Warranty This warranty also does not coverLimited Lifetime Indirect Water Heater Warranty Model Number Serial Number Date of InstallationPage