Powers ES150 Emergency Tempering Valves with Dual Interna Bedienungsanleitung PDF herunterladen

TECHNICAL INSTRUCTIONS

HydroGuard

ES Series Emergency Tempering Valves

with Dual Internal Cold Water By-Pass

Model ES150

The Series ES HydroGuard thermostatically blends hot and cold

water to deliver tepid water to emergency fixtures, quickly

compensating for temperature variations due to changes in inlet

temperature or pressure. Powers’ exclusive Dual Internal

By-Pass* ensures cold water flow in the event of a valve failure or

loss of hot water.

* US Patent 6,575,377

Operating

Maximum Pressure. . . . . . . . . . . . . . . . . . . . . . . 125 psi (861.25 kPa)

Maximum Hot Water Temperature. . . . . . . . . . . . . . . . . 180°F (82° C)

Approach Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15°F (8° C)

Temperature Adjustment Range . . . . . . 60° F (15° C) - 95° F (35° C)

Factory Set Temperature . . . . . . . . . . . . . . . . . . . . . . . 85°F (29° C)

Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ANSI Z358.1 1998

Note: Set point cannot be less than the cold water temperature. For best opera-

tion, hot and cold water should be at least 15

°F (8°C) from desired set point.

WARNING: TO ENSURE THE ACCURATE AND RELIABLE

OPERATION OF THIS PRODUCT, IT IS ESSENTIAL TO:

• Properly size each valve based on the individual application.

• Properly design the recirculation system to minimize pressure

and temperature variations.

• Conduct an weekly maintenance program to ensure proper

operation of all critical components.

FAILURE TO COMPLY WITH PROPER INSTALLATION

INSTRUCTIONS COULD CONTRIBUTE TO VALVE FAILURE,

RESULTING IN INJURY OR DEATH.

Typical Flow

Hot and cold water supplies enter HydroGuard at indicated ports,

(see Figure 3) then flow past their respective plug and seats. Next,

hot and cold water flow is directed to the mixing chamber where

the thermostatic actuator is located.

Temperature adjustment screw moves the actuator to determine

the discharge temperature.

With a rise in discharge temperature due to pressure or temperature

fluctuation on the inlet, the actuator expands, decreasing flow of hot

water. The reverse occurs with a drop in discharge temperature.

• Cold water supply failure – causes actuator to expand allowing

the motor to close the hot water seat.

• Hot water supply pressure failure – causes actuator to contract

opening cold water bypass ports. Secondary bypass mecha-

nism opens upon failure of actuator or hot water.

Model ES150

Table 1, Capacity Tables, present the HydroGuard discharge

capacity in gpm and Ipm for various pressure differentials (the

difference between the lowest inlet pressure and the discharge

pressure at the HydroGuard).

Table 1- Capacity Tables

Flow Capacity in US gpm at 50-50 Mixed Ratio

Model Min. Flow Pressure Drop Across Valves in psi

Rate 5 10 20 30 40 45 60 75

ES150 1.0 gpm 4 6 9 14 16 17 20 23

Flow Capacity in lpm at 50-50 Mixed Ratio

Model Min. Flow Pressure Drop Across Valves in kP

Rate 34 69 138 207 310 414 517

ES150 2.7 lpm 15.2 22.7 34.1 53.0 64.4 75.8 87.1

NOTE: By-Pass flows will vary based on inlet supply conditions including

water pressure and cold water temperature.

Body

Cold Water

Mixing Chamber

Secondary

By-Pass Spring

Primary By-Pass

Secondary By-Pass

Temperature

Adjustment

Screw

Adjustment

Locking

Screw

Thermostatic

Actuator

Hot Water

Hot/Cold

Water Shuttle

Return Spring/Primary

By-Pass Spring

Figure 3

Form TI ES150 v3

DESCRIPTION

OPERATION

SPECIFICATIONS

SIZING

1 2 3 4

Inhaltsverzeichnis

Seite 1 - TECHNICAL INSTRUCTIONS

TECHNICAL INSTRUCTIONSHydroGuard®ES Series Emergency Tempering Valveswith Dual Internal Cold Water By-PassModel ES150The Series ES HydroGuard thermost

Seite 2 - RECIRCULATION

TI ES150 v3 Page 212345678910111213The mixing valve should be mounted as close as possible tothe fixture(s) that it serves.If the valve is some distan

Seite 3 - TI ES150 v3 Page 3

TI ES150 v3 Page 3Due to the safety nature of this product, we recommendremoval of the valve and a full inspection of all compo-nents whenever the val

Seite 4 - REASSEMBLY

TI ES150 v3 Page 4Lubricate cartridge “O” ring andplace in groove in back of the body.Thread the cartridge into the body.Hand tighten with 1-3/8” deep

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