Xylem MM 277G Model RB-24E-S , Model RB-24E-A , Model RB Uživatelský manuál stáhnout pdf (Strana 2)

OPERATION

The Model RB-24E Low Water Cut-Off is specifi-

cally designed to provide burner cut-off if there is

an unsafe water

loss, which can result from a bro-

ken

leaking radiator or pipe, or a cracked sec-

tion

the boiler.

Water/glycol

mixtures up to 50% concentration

may be used.

SPECIFICATIONS

Temperature:

Storage: -40'F to 120'F (-40'C to 49'

Ambient: 32'F to 120'F

'C to 49'C)

Humidity:

85% (non-condensing)

Maximum Water Pressure:

160 psi (11.2 kg/cm2)

Maximum Water Temperature:

250'F

(121

Electrical Ratings

Power

Voltage Consumption Switching Capacity

24VAC

2.5

2A at 24 VAC

Enclosure Rating:

NEMA 1 General Purpose

RB-24E-S

RB-24E-L

PIN 144690

INSTALLATION -

TOOLS NEEDED:

PIN 144693

RB-24E-A

Pipe wrench or channel lock pliers.

PIN 144694

3//

NPT

Cable LED

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Connector

Button

LED

Low Water

Do not use Model RB-24E on

IMPORTANT: steam boilers.

Do not use on

millivolt

IMPORTANT:

systems.

The

RB-24E-S

for use on hot water

boilers that have a transformer plug

connection to the aquastat.

• 5 foot connector cable

•

'V' harness for Honeywell Aquastat

• 'V' harness for United Technologies

burner control module

The

RB-24E-L

for use on hot water

boilers that have a control panel plug

connection.

• 5 foot connector cable

The

RB-24E-A

for use on hot water

boilers that have a vent damper.

• 5 foot connector cable

•

6 pin connector 'V' hamess

• 4 pin connector 'V' hamess

1 2 3 4 5 6 7 8

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