Hubbell Electric Heater Company " SE " User Manual
Electric heater company
Table of contents
Document Outline
- WARNING / CAUTION
- TABLE OF CONTENTS
- GENERAL DESCRIPTION
- CONSTRUCTION
- MAGNETIC CONTACTOR
- OUTER SHELL AND INSULATION
- OPTIONS
- Low Water Cut-Off
- Low Water Cut-Off Probe Low Water Cut-Off RelayFused Low Voltage Transformer
- Dial Temperature and Pressure Gauge
- Vacuum Relief Valve
- A vacuum relief valve may be provided with the unit to reduce the risk of back siphonage and back pressure of the system. The valve will be shipped loose for in-line installation. Instructions for installation are provided with the valve.
- On/Off Switch
- A built-in non-fused On/Off disconnect switch may be supplied with the control panel to disconnect power to the control panel control and power circuit wiring.
- Individually Fused Elements
- To prevent the possibility of damage to circuits and elements in case of electrical overloads, fuses may be supplied for each circuit. Two types of fuses may be used; a type NON for voltages less than 250-volt or type JJS for voltages less than 600-volt.
- Built-in Circuit Breaker
- Horizontal Construction
- Electro-Mechanical Timer
- An electro-mechanical 7-day time clock with battery back-up may be supplied for specific timing operations. A set of instructions will be supplied with the timer.
- FINAL CHECKS
- CONSTRUCTION
- GENERAL DESCRIPTION
- Symptom