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Piping details, Acorn controls, Sfet installation & operation manual – Acorn ET71 VALVE User Manual

Page 6: Division of acorn engineering company, A member of morris group international

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Acorn Controls

Division of Acorn Engineering Company

®

, A member of Morris Group International

Date: 04/01/14

SFET Installation & Operation Manual

PIPING DETAILS:

T

C

CHECK VALVE

BALANCING VALVE

TEMP/PRESSURE GAUGE

CIRCULATOR

FLOW DIRECTION

C

SELECT FLOW RATE NECESSARY TO ENSURE MIXING VALVE IS
OPERATING AT AN ASSE 1017 MINIMUM CERTIFIED FLOWRATE.
SEE LITERATURE.

TYPICAL CONTINUOUS RECIRCULATION

NOTE: TO BALANCE THE SYSTEM BEGIN WITH DIVERTING 80% OF THE
RETURN WATER TO COLD SIDE OF THE TEMPERING VALVE (20% TO THE
HOT WATER SOURCE). CONTINUE ADJUSTING UNTIL SYSTEM IS FULLY
BALANCED.

WATER

HEATER

C

C

T

T

EXPANSION

TANK

HIGH TEMPERATURE

HOT WATER FIXTURES

EMEGENCY

FIXTURES

HEAT

TRAP

ET71 SERIES

VALVE

BALANCING

VALVE

LOW TEMP
FIXTURE
RETURN

HIGH TEMP

FIXTURE RETURN

T

C

CHECK VALVE

BALANCING VALVE

TEMP/PRESSURE GAUGE

CIRCULATOR

FLOW DIRECTION

C

SELECT FLOW RATE NECESSARY TO ENSURE MIXING VALVE IS
OPERATING AT AN ASSE 1017 MINIMUM CERTIFIED FLOWRATE.
SEE LITERATURE.

COLD

WATER

SUPPLY

TYPICAL RECIRCULATION WITH AQUASTAT

NOTE: TO BALANCE THE SYSTEM BEGIN WITH DIVERTING 80% OF THE
RETURN WATER TO COLD SIDE OF THE TEMPERING VALVE (20% TO THE
HOT WATER SOURCE). CONTINUE ADJUSTING UNTIL SYSTEM IS FULLY
BALANCED.

ADJUSTABLE
AQUASTAT

WATER

HEATER

C

C

T

T

EXPANSION

TANK

HIGH TEMPERATURE

HOT WATER FIXTURES

EMEGENCY

FIXTURES

HEAT

TRAP

ET71 SERIES

VALVE

BALANCING

VALVE

LOW TEMP
FIXTURE
RETURN

HIGH TEMP

FIXTURE RETURN

COLD

WATER

SUPPLY

Manual #7802-113-000