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Pump or Motorized Valve

Circuit Rating (Amperes)

Voltage

Full Load

Locked Rotor

Pilot Duty

120 VAC

7.4

44.4

345 VA at

240 VAC

3.7

22.2

120 or 240 VAC

Approximate

Distance Above

Cast Line

Differential

Setting

In.   (mm)

In.   (mm)

Pump Off

5

1

/

2

(140)

1

1

/

2

(38)

Pump On

4

(102)

Pump Off

15

/

16

(24)

3

/

8

(16)

Pump On

9

/

16

(14)

Burner Off

0

N/A

Pump Off

1

7

/

16

(37)

3

/

4

(19)

Pump On

11

/

16

(17)

Burner Off

-

3

/

8

(-16)

N/A

2

PUMP OFF

CAST LINE

3

/

8

"

(35mm)

9

/

16

"

(16mm)

PUMP ON

BURNER OFF

CASTING LINE

PUMP ON

PUMP OFF

;

;

;

;

;;

;;

;;

1

1

/

2

"

(38mm)

4"

(102mm)

OPERATION

Maximum Pressure:

150 psi (10.5 kg/cm

2

)

Electrical Ratings
Float Control

Probe Control (750BM-P-120-CI)

157S-RBP-MD

Settings and Differential Pressures:

Probe Sensitivity:

- 26,000 ohms

Probe Input Power

- 120 volts

Pump or Motorized Valve

Circuit Rating (Amperes)

Voltage

Full Load

Locked Rotor

120 VAC

7.2

43.2

240 VAC

3.75

21.6

Probes Any

Pressure

Float

0 psi

(0 kg/cm

2

)

Float

150 psi

(10.5 kg/cm

2

)

Pressure

Alarm Circuit Rating

Voltage

Amps

120 VAC

1

240 VAC

1/2

Motor Horsepower

Voltage

Amps

120 VAC

1/3

240 VAC

1/3

* Values are ±

8

" (3.2mm).

Probe Settings

Float Settings (0 psi)

Содержание McDonnel & Miller 157S-RBP-MD

Страница 1: ...INSTRUCTION MANUAL MM 221REVJ 210345...

Страница 2: ...BURNER OFF CASTING LINE PUMP ON PUMP OFF 11 2 38mm 4 102mm OPERATION Maximum Pressure 150 psi 10 5 kg cm2 Electrical Ratings Float Control Probe Control 750BM P 120 CI 157S RBP MD Settings and Differe...

Страница 3: ...ons along with all applicable codes and ordinances for piping blow down valve and water gauge glass requirements a Using a pipe wrench unscrew the plastic float blocking plug A from the float block ta...

Страница 4: ...iler manufacturer schematics should always be followed In the event that the boiler manufacturer s schematic does not exist or is not available from the boiler manufacturer refer to the schematics pro...

Страница 5: ...se supplied by others in Boiler Electrical Panel Install electrical conduit between Probe Housing and Boiler Electrical Panel Pull three 3 wires through conduit Boiler sight glass must be visible from...

Страница 6: ...e Switch For burner circuits within the switch s electrical rating 2 Pilot Switch To holding coil of a starter when the burner circuit exceeds the switch s electrical rating LINE LOAD 1 2 4 5 6 1 2 4...

Страница 7: ......

Страница 8: ...poses Seller warrants the goods purchased hereunder with the exception of membranes seals gaskets elastomer materials coatings and other wear parts or consumables all of which are not warranted except...

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