Slant/Fin EH - Manual

MODEL EH ELECTRIC BOILER
EH-08-135S through EH-40-135S 3 wire 120/208V, 120/240V single phase
EH-12-345S through EH-40-345S 4 wire 120/208V three phase WYE
OPERATION AND INSTALLATION INSTRUCTIONS
CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PAGE
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Air Eliminator and Expansion Tanks . . . . . . . . . . . . . . . . . .2
Flow Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Wiring (Warning: DO NOT turn on breakers on unit) . . . . . . . . .2
Wall Thermostat Flow Switch and Circulator . . . . . . . . . . .2
Service Connections and Electrical Ratings . . . . . . . . . . . .3
Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Fill System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Air Elimination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Bypass Flow Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Check for Proper Boiler and System Operation . . . . . . . . .6
Operation (models equipped with seq. control system) . . . . . . .6
Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
IMPORTANT:
This manual must be left with owner and should be hung
on or adjacent to the boiler for reference.
Publication No. EH-40
Printed in U.S.A. 1213
Part No. 79-0820