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Operation
CSD-1 Optional Feature
Start-up Procedure
1. Close the manual blowdown valve.
2. Open cabinet door and turn "ON" power switch.
The green pilot light will come "ON." Water will begin to enter the boiler. When enough water has entered the boiler,
the (amber) "STANDBY" pilot light will come on.
3. Press the "RESET" switch to begin boiler operation.
The "STANDBY" pilot light will go off and the boiler will begin operation.
Normal Boiler Operating Cycle
Water Fill Cycle
On the initial filling of the boiler, the reset switch must be activated to initialize the safety lockout circuit. Once the water in
the boiler has reached the proper level, the level control will stop the flow of water to the boiler. As water is consumed in
the production of steam, the level control will supply additional water to the boiler.
Firing Cycle
The elements are operated by pressure sensing devices. On initial operation, the boiler should reach 11 psi in
approximately 15 minutes. At this point, the operating pressure switch will open, de-energizing the elements. Thereafter
the operating pressure switch will cycle the elements between 9 and 11 psi boiler pressure.
Condensing Drain
A thermostat is located in the drain assembly and is activated by the temperature of steam. The thermostat operates the
cooling solenoid, supplying water to the drain to condense the steam.
Automatic Blowdown Valve
If the unit has an automatic blowdown valve, it is activated when the main power switch is activated. The boiler will be
drained should the main power switch be turned "OFF."
Safety Lockout Conditions
High Temperature Condition
A high temperature safety device is installed on the boiler. Should the temperature exceed the limit of this device, the
boiler will be shut down and put in a state of lockout. The "TEMPERATURE" pilot light (red), and the "STANDBY" pilot light
(amber), will come on.
High Pressure Condition
A high pressure safety switch is installed on the boiler. Should the pressure exceed the limit of this device, the boiler will
be shut down and put into a state of lockout. The "PRESSURE" pilot light (red), and the "STANDBY" pilot light (amber),
will come on. Should this device fail to operate, the safety relief valve will open.
Low Water Condition
A second low water safety cut off is supplied with the boiler. Should the water level fall below normal operating levels, the
boiler will be shut down and put into a state of lockout. The "LOW WATER" pilot light (red), and the "STANDBY" pilot light
(amber) will come on.
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OF 20
Direct Steam Kettles Mounted on Electric Boiler Cabinet Base
INSTALLATION & OPERATION MANUAL 10071 REV 4 (07/22)
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