II
Maintenance - Electric Water Heaters and Boilers............................................................29
Electric Power Connections - Rewiring and Reconnecting...................................29
Thermostats (Operating, Auxiliary High Temperature Limit, and
High Temperature Limit) - Resetting and Replacement......................................30
Contactor - Replacement .......................................................................................33
Fuses - Inspection and Replacement......................................................................34
Heating Element(s) and Gasket(s) - Inspection and Replacement ........................34
Isolation
Transformer - Replacement ....................................................................42
Float Type Low Water Cut Off Control - Replacement ........................................43
Probe Type Low Water Cut Off Control - Replacement .......................................44
Pressure / Temperature Relief Valve Replacement ...............................................45
Pressure Gauge - Replacement ..............................................................................45
Temperature Gauge - Replacement .......................................................................46
On / Off Switch - Replacement..............................................................................47
Pilot Light - Replacement ......................................................................................47
Circuit Breaker - Replacement ..............................................................................48
Maintenance - Electric Boilers Only .................................................................................50
Contactor Coils - Replacement ..............................................................................50
Gauge Glass - Replacement (Electric Steam Boilers Only) ..................................51
High Pressure Cut Off Switches - Replacement
(Electric Steam Boilers Only)..............................................................................51
Step Controller (Including Replacement of Individual
Component Boards) - Replacement .....................................................................53
Potentiometer - Replacement.................................................................................55
Solid State Step Controller Thermistor - Replacement .........................................56
Water Feeder or Pump Controller - Replacement
(Electric Steam Boilers Only)..............................................................................58
Appendix A........................................................................................................................60
Appendix B ........................................................................................................................63
2005 Cemline Corporation. All Rights Reserved.
All trademarks in this manual are property of Cemline Corporation, unless
otherwise noted or in any other way set forth as a third party rights. Unauthorized use of
these trademarks, as well as the materials presented in this manual, is expressly
prohibited and constitutes a violation of the intellectual property rights of Cemline
Corporation.
Summary of Contents for EHB
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Page 62: ...59 9 If no leaks are found follow the startup procedures page 17 to put the unit back on line ...
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