Manuals / A.O. Smith / Household Appliance / Boiler

A.O. Smith HW 610 warranty Piping, Commercial Boiler With Vertical Tank

Models: HW 610

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PIPING

PIPING

ONE HW-300, HW-399, HW-420, HW-520, HW-610 OR ONE HW-670 UP-FLOW MODEL

COMMERCIAL BOILER WITH VERTICAL TANK

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE

TEMPERATURE AT FIXTURES. SEE TANK TEMPERATURE

CONTROL WARNING ON PAGE 11. IF HIGHER PREHEAT

TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE

BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT

WATER SUPPLIED TO FIXTURES.

IMPORTANT

THE INSTALLATION OF SAFETY FLOW SWITCH AS SHOWN IS REQUIRED TO PROTECT THE BOILER IN CASE OF WATER SERVICE INTERRUPTION OR CIRCULATOR FAILURE.

+PIPING AND FITTINGS BETWEEN GATE VALVES AND BOILERS SHOULD BE BRASS OR BRONZE. OTHER PIPING SHOULD CONFORM TO LOCAL CODES.

GATE VALVES ARE SHOWN FOR SERVICING BOILER. HOWEVER, LOCAL CODES SHALL GOVERN THEIR USAGE.

*PRESSURE RELIEF VALVE RATING SHOULD NOT EXCEED PRESSURE CAPACITY OF ANY COMPONENT IN THE SYSTEM. ** INSTALL THERMOMETER AND PRESSURE RELIEF IN OPENINGS PROVIDED ON HW-520, HW-610 & HW-670.

WIRING - FIGURES 16 and 17 on

pages 24 and 25.

INSTALL IN ACCORDANCE

WITH ALL LOCAL CODES

USE THIS TABLE FOR CORRECT

PUMP AND WATER PIPE SIZE

Model

Minimum

B & G

*Armstrong

Pipe Size

Pump

Number

Pump Size

(Inches)

Size

 

 

HW-300

1-1/4"

125

S-25 1-1/4"

HW-399

1-1/2"

1-1/2" HV

H-32 1-1/2"

HW-420

1-1/2"

1-1/2" HV

H-32 1-1/2"

HW-520

1-1/2"

1-1/2" HV

H-32 1-1/2"

HW-610/670

2"

2"

S-35

*Assumes 50 equivalent feet of piping or less.

FIGURE 28.

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A.O. Smith HW 610 warranty Piping, Commercial Boiler With Vertical Tank, WIRING - FIGURES 16 and 17 on pages 24 and
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