Table Of Contents - Lochinvar 100 Series Instruction Manual

SAFE INSTALLATION, USE, AND SERVICE ....................................3
Important Definitions ............................................................ 3
APPROVALS.......................................................................................3
GENERAL SAFETY INFORMATION .................................................4
Do Not Operate if Damaged ................................................. 4
Grounding Instructions ......................................................... 4
Limiting the Risk of Scalding ................................................ 4
Hydrogen Gas (Flammable) ................................................. 4
Hazard Messages ................................................................ 5
INTRODUCTION ................................................................................7
Preparing for the Installation ................................................ 7
General ................................................................................ 7
FEATURES AND COMPONENTS .....................................................8
LHS/LHC Model Differences ................................................ 8
Model and Rating Plate ...................................................... 10
INSTALLATION CONSIDERATIONS ...............................................11
Locating the Water Heater ................................................. 11
INSTALLING THE WATER HEATER ...............................................12
Required Ability .................................................................. 12
Thermostatic Point-of-Use Mixing Valves ........................... 12
Contaminated Water .......................................................... 12
Circulating Pump ................................................................ 13
Insulation Blankets ............................................................. 13
Temperature-Pressure Relief Valve .................................... 13
Water Line Connections ..................................................... 14
Closed Water Systems ....................................................... 14
Thermal Expansion ............................................................ 14
Electrical ............................................................................ 14
START UP AND OPERATION ..........................................................17
Filling The Water Heater .................................................... 17
Initial Start Up .................................................................... 17
TEMPERATURE REGULATION ......................................................18
Limiting the Risk of Scalding .............................................. 18
High Temperature Limit Controls (ECO) ............................. 18
2
CONTENTS
Surface Mount Control Models ........................................... 18
Electronic Control Models .................................................. 18
Thermostat Controls .......................................................... 18
Thermostat Settings - Surface Mount Control ................... 19
Thermostat Settings - Electronic Controls ......................... 19
CONTROL SYSTEM OPERATION ..................................................21
Temperatures Menu ........................................................... 24
Heater Status Menu ........................................................... 27
Economy Mode Setup Menu .............................................. 28
Economy Mode Settings .................................................... 29
Time Clock Settings ........................................................... 30
Daily Operating Mode Settings ........................................... 32
Alarm Output Setup Menu .................................................. 34
Display Settings Menu ....................................................... 35
Heater Information Menu ................................................... 35
Current Fault / Alert Menu .................................................. 36
Fault History Menu ............................................................. 36
Fault Occurrence Menu ...................................................... 37
Restore Factory Defaults Menu .......................................... 37
MAINTENANCE ................................................................................38
Anode Rod Maintenance .................................................... 38
Temperature-Pressure Relief Valve Test ............................ 39
Draining And Flushing ........................................................ 39
Sediment Removal ............................................................. 39
Lime Scale Removal .......................................................... 39
TROUBLESHOOTING ......................................................................41
Not Enough or No Hot Water ............................................. 41
Water Is Too Hot ................................................................ 41
Water Heater Makes Strange Sounds ................................ 41
If You Cannot Identify or Correct the Source
of Malfunction: ................................................................... 41
Checking for Leaks ............................................................ 42
DIAGRAMS .......................................................................................43
Wiring Diagrams ................................................................ 43
Piping Diagrams ................................................................. 49