Chromalox CES-6 manual Automatic Blowdown Instructions, If Furnished

Page 13

OPERATION

AUTOMATIC BLOWDOWN INSTRUCTIONS

 

OPERATION— Set the “BOILER PROGRAMMED DUTY”

(IF FURNISHED)

 

switch to “BOILER ON” if the boiler is to be shut down each night.

The Automatic Blowdown is a device which automatically starts

 

Set it to “24-HOUR DUTY” if the boiler is to remain on continuous-

up your boiler in the morning; shuts it down at night and blows down

 

ly 24-hours per day (except during blowdown).

(partially drains) the main boiler drain and the low water cut-off col-

 

Set the tabs on the large timer for the ON and OFF times desired

umn for a predetermined time interval each working day.

 

for the boiler, screw in the small black day-skip tabs if is to remain off

The heart of the unit is an electrically operated straight through

 

during the weekend, etc.

type ball valve. It is specially designed to handle dirty, corrosive flu-

 

If the boiler is on 24-hour duty, set the OFF tab for the time that is

ids and particles without requiring cleaning or the use of a strainer.

 

desired for blowdown. the ON tab can be ignored, but must remain on

Both the valve and the boiler are controlled by an electric control

 

timer.

unit which indicates with pilot lights when the drain valve is in the

 

The small time delay relay controls the time that the drain valve

opened or closed position and when the boiler is ON or OFF. In addi-

 

remains open. The time is controlled by adjusting knob marked

tion to the automatic control function, the unit has a push button which

 

Blowdown cycle. Counterclockwise decreases, clockwise increases

momentarily de-energizes the boiler and opens the drain valve regard-

 

blowdown time. Time must be adjusted by trial.

less of the time of day.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Timer

 

 

Boiler On

Valve Open

Valve Closed

Programmed Duty

24 Hour Duty

Manual Drain

Automatic Blowdown Control Cabinet

The unit may also be used to blow down boilers which run con- tinuously, day and night.

INITIAL TESTING — Set the switch marked “Programmed

 

 

 

 

 

Valve Actuator

 

duty/24 Hour duty” located on the panel box to the “ON” position.

 

 

 

 

 

 

 

 

 

On the large timer set the “ON” tab at about 8 AM and the “OFF”

 

 

 

 

 

 

 

 

tab at about 8 PM. Set the blowdown cycle dial at “O”.

 

 

 

 

 

 

 

 

 

 

 

Turn the large timer by hand until the “ON” tab passes the “TIME

 

 

 

 

 

 

 

 

NOW” indicator so the “TIME NOW” arrow indicates 10 AM.

 

 

 

 

 

 

 

 

 

Energize the main feed to the “LINE TERMINALS” of the unit.

 

 

 

 

 

 

 

 

The “BOILER ON” pilot light as well as the “VALVE CLOSED”

 

 

 

 

 

 

 

 

light should glow.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hold down the “DRAIN” button for about six seconds. The

 

 

 

 

 

 

 

 

“BOILER ON” light should go out immediately as well as the

 

 

 

 

 

 

 

 

“VALVE CLOSED” light. It takes about 4 seconds for the drain valve

 

 

 

 

 

 

 

 

to open fully at which time the “DRAIN VALVE OPEN” light should

 

 

 

 

 

 

 

 

light. As soon as the “DRAIN” button is released the valve begins to

 

 

 

 

 

 

 

 

close. When it reaches the closed position, the “VALVE CLOSED”

 

 

 

Display View of Automatic Blowdown Control Cabinet

and the “BOILER ON” should light up again.

 

 

 

 

 

 

 

Now turn the wheel on the large timer until the “OFF” tab passes

 

 

 

Blowdown Cycle

 

 

 

the “TIME NOW” arrow. The “BOILER ON” light should go out and

 

 

 

Cycle

30's

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment

 

 

 

 

the valve should begin to open. Once the “VALVE OPEN” light goes

 

 

 

0's

80's

 

 

 

on, the valve should remain open for a few seconds and then auto-

 

 

 

Boiler On

 

 

 

 

 

On/Off Switch

 

 

 

 

matically close. The “VALVE CLOSED” light should light and the

 

 

 

 

Support

 

 

 

 

 

 

 

 

“BOILER ON” light should remain off.

 

 

 

 

 

 

 

 

Valve Closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indicator Light

 

Terminal Block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

Valve Open

 

7 Day Clock

 

3

 

 

 

 

 

 

 

 

 

 

 

 

Indicator Light

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1FU

 

 

 

 

 

 

 

 

 

Clock

 

w

 

 

 

Support

 

15A

 

 

 

 

 

 

 

 

 

 

 

Prorammed Duty

 

 

B

 

 

 

 

 

 

 

 

 

3

1

A

 

7-Day Timer

Switch

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2.3)

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

8

 

 

 

Relay

 

 

1 1CL

2

 

 

 

 

G

 

 

 

1TR

 

Ball Valve

24 Hour Duty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control

PB Switch

 

 

Time Delay Relay

1CL

4

P

3

1PB

PR

1CR

 

B

 

 

1LT

 

 

(5)

 

 

 

6

 

 

R

 

 

Boiler On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Manual Drain

 

 

 

 

 

2

 

 

1

 

 

Y

 

 

 

 

 

Boiler Control

Fuse

 

3 2

6 2 10 2 7 11

8

 

 

 

 

 

 

 

 

 

1CR

 

 

 

 

 

 

 

 

 

 

 

Motorized

 

 

 

 

 

(3)

Replace with

 

Terminal Block

 

2PB

 

 

 

1TR

 

 

 

 

 

2LT

 

 

 

Amp Fuse Only

 

 

 

2B

 

 

4

 

 

 

 

 

 

 

 

 

 

 

Component Layout

 

2A

 

 

 

7

R

 

O/R

8

R

 

 

Valve Closed

Exterior Side

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

M

W

2

 

 

 

Blowdown Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

 

 

 

 

 

 

 

11 0

3LT

 

 

Valve Open

 

 

 

 

 

1A

1B

 

 

 

10

B

 

O/BL

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wiring Diagram for Automatic Blowdown

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

Page 12 Page 14
Image 13
Page 12 Page 14
Contents Chromalox Model CES-6 through CES-18 DimensionsModel InstallationTypical Wiring Diagrams WiringDiagram Boiler 208 240 480Boilers under 40 Amps total not fused Black Diagram Diagram Black Brown Blue White Miller LOW Water Cutoff Control PRE-OPERATION CheckRecommended START-UP Procedures Adjusting Operating Pressure ControlsOperation High Limit Pressure Control OperationIf Furnished Automatic Blowdown InstructionsOptional Equipment for Steam Boilers Solid State Progressive Sequencer Boiler Sequence Solid StateWater Feed Systems Pump Motor DimensionsLOW Pressure Feed High Pressure FeedInstallation Wiring MaintenancePlumbing SequenceMaintenance Immersion Heater Failure Causes Part Description Part Number Renewal Parts IdentificationValves & Gauges Limited Warranty

CES-6 specifications

The Chromalox CES-6 is a state-of-the-art electric heating solution designed for industrial and commercial applications. This versatile unit offers a range of features that enhance its efficiency, durability, and ease of use. With a focus on advanced technology, the CES-6 is engineered to meet the demands of various heating requirements, from process heating to temperature maintenance.

One of the standout features of the CES-6 is its robust construction. Built to withstand harsh environments, it is made from high-quality materials that ensure longevity and reliability. The unit's enclosure is resistant to moisture and dust, making it ideal for applications in challenging conditions. This durability ensures that the CES-6 can operate effectively in settings such as manufacturing plants, warehouses, and outdoor installations.

The CES-6 leverages cutting-edge heating technologies, including advanced thermal management systems. This feature allows for precise temperature control, ensuring optimal performance and energy efficiency. By utilizing programmable temperature settings, users can customize their heating profiles to match specific operational needs, reducing energy consumption and operating costs.

Another significant characteristic of the CES-6 is its ease of installation and maintenance. Designed with user convenience in mind, the unit comes equipped with adaptable mounting options and user-friendly interfaces. This makes it straightforward for technicians to install and service, minimizing downtime and enhancing productivity.

Safety is a top priority with the CES-6, which incorporates multiple safety features to protect users and equipment. Over-temperature protection, built-in alarm systems, and fail-safe mechanisms are just a few of the safeguards included. These features not only enhance user safety but also contribute to the overall integrity of the heating process.

In conclusion, the Chromalox CES-6 stands out in the market for its combination of durability, advanced technology, and user-friendly design. Its robust construction makes it suitable for demanding industrial settings, while its energy-efficient heating capabilities and ease of installation ensure it meets the needs of a wide range of applications. Whether you are looking for reliable heating for your manufacturing processes or need a dependable solution for temperature maintenance, the CES-6 is an exceptional choice that delivers performance and efficiency.
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