Optional Equipment -Steam Boilers
MULTI-STAGE LOAD PROGRESSIVE SEQUENCERS
Accurate control is provided by automatic progressive sequencing in the use of energy and minimizing wear and tear on electrical components. The sequencers are designed to apply power progressively to larger KW boilers. A factory-installed pressure sensitive sequential control reacting to steam boiler pressure progressively energizes and de-energizes heating elements through power contactors. A delay between sequencer steps before start-up and between each subsequent step eliminates power surges. Each sequencer is matched and factory pre-set to boiler system requirements.
Electronic progressive sequencers give accurate electronic control of multi-stage loads of the type used in steam boilers. Integral solid state light emitting diodes show active stages. Should a power interruption occur, all heating elements are instantly de-energized for safety. Upon resumption of power, the control will re-stage the loads one at a time.
The solid state sequencer operates on a 120v AC/60Hz, with each output relay rated 125VA at 120 AC.
An automatic water feed is required on all ES, SVS and SSB boilers.
pressure water feed systems
Pressure Water Feed System
A vacuum breaker will prevent the boiler from flooding as a result of the steam condensing internally and creating a vacuum after boiler shut down. The breaker allows air to enter the shell, breaking the intense vacuum. This system is a must for boilers connected to a condensate return tank. The vacuum breaker consists of a spring loaded disc and associated piping and is factory plumbed to the boiler. System ES89369 is a heavy duty system compatible for use on ES boilers. Specify SSB89369 for SSB boilers with stainless steel construction. Specify SVS89369 for SVS boilers.
heart of the system uses a stainless steel, motor-driven,
straight-through, self cleaning ball valve for
boiler water blowdown.
An electronic device provides the means for back-up automatic low water cutoff. When water levels fall below a safe operation level, the boiler is de-energized. A sensing device detects current flow between a submerged probe and the shell. This unit is useful as a backup to the primary low water cutoff control. For use on SSB boiler (which use deionized, demineralized or distilled water), specify System No. SB81017. Add suffix MR for manual reset.
Sussman Blowdown separators are built to ASME Section VIII. The separators accept the flash stream and effluent from the boiler blowdown and reduce the temperature and pressure to insure a safe discharge of water and sludge. Steam flash and pressure are absorbed and pass harmlessly to the outside via a vent. The separator design utilizes a water seal at the outlet which permits the operator to let cold water from the bottom mix with the hot water and boiler steam in the blowdown separator. This reduces outlet temperature to a safe discharge level. These separators require specific plumbing from boiler blowdown valves and require a connection for cold water supply. No electrical hookup is required.
The transformer’s primary voltage must be compatible with the boiler power voltage. Transformer sec-ondary voltage must be 120 VAC (220 VAC for export).
To select transformer size find the sum of all component VA requirement, i.e. ES-72 with ES38083V condensate return system and ES81600 automatic blowdown system requires:
These systems are used wherever condensed steam can be collected for reuse in the boiler. A significant amount of energy can be saved by returning condensate to the boiler. The water returned is free of corrosive minerals and carries a substantial amount of heat that does not have to be replenished. A vacuum breaker is required whenever a condensate return system is used. A 3-Pole motor starter is required on 3Phase condensate systems.
• ES/SVS Condensate Return Systems For Low and Medium Pressure (150 psig Max.) - Each system consists of a condensate return tank, a motor and pump and support plumbing. A 1/2" inlet is located on the tank to accept make-up water.
A vent fitting is located on the condensate tank top for atmospheric air venting. The return fitting is to be plumbed to the trapped condensate return line coming from the process. The tank has a ball check valve internally mounted, and a float arm and float ball that serve mechanically allowing make-up water to enter the tank as the original supply is used. The pump discharge outlet is to be plumbed to the boiler check valve. The tank drain valve should be plumbed to a proper drain line. The motor is required to be wired to the boiler.
Click here for a Selection Chart for Sussman Condensate Return Systems
Load Progressive Sequencers | Water
Feed Systems | Vacuum Breaker
Systems Automatic Blowdown
Systems | Auxiliary Low