Lochinvar LHS 119 User Manual

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE WHENEVER MAINTENANCE
ADJUSTMENT OR SERVICE IS REQUIRED.
PRINTED 0522 100358519_2000199939G
Instruction Manual
COMMERCIAL ELECTRIC WATER HEATERS
300 Maddox Simpson Parkway
Lebanon, TN 37090
Technical Service Phone: 1-800-722-2101
Technical Service email: 2tech@lochinvar.com
www.Lochinvar.com
LOW LEAD
CONTENT
LISTED
Thank you for buying this energy efcient water heater. We
appreciate your condence in our products.
Read and understand this instruction
manual and the safety messages
herein before installing, operating or
servicing this water heater.
Failure to follow these instructions and
safety messages could result in death
or serious injury.
This manual must remain with the
water heater.
MODELS LHS 50/80/119 Series 100
& LHC 50/80/119 Series 100
Installation - Service
- Maintenance - Operation
If the water heater becomes immersed in water up to or
above the level of the bottom of the element doors,
the heater should be examined by a qualified service
agency before it is placed in operation.
Electrical Shock Hazard

Lochinvar LHS 119 Specifications

General

Model	LHS 119
Category	Water Heater
Capacity	119 gallons
Fuel Type	Natural Gas
Efficiency	96%
Vent Size	3 inch

Summary

Safe Installation, Use, and Service

General Safety Information

Hazard Messages

Danger

Indicates an imminently hazardous situation that will result in death or injury.

Warning

Indicates a potentially hazardous situation that could result in death or injury.

Caution

Indicates a potentially hazardous situation that could result in minor or moderate injury.

Installation Considerations

Locating the Water Heater

Installing the Water Heater

Thermostatic Point-of-Use Mixing Valves

Temperature-Pressure Relief Valve

Electrical

Warning Electrical Shock Hazard

Critical safety warning about electrical hazards during service.

Start Up and Operation

Filling the Water Heater

Initial Start Up

Checks to perform when placing the heater into operation for the first time.

Temperature Regulation

Limiting the Risk of Scalding

Measures to prevent scalding from hot water.

High Temperature Limit Controls (ECO)

Explanation of ECO controls and how to reset them.

Thermostat Settings - Surface Mount Control

Thermostat Settings - Electronic Controls

Control System Operation

Operating Set Point

Temperatures Menu

Operating Set Point

Differential Settings

Tank Temperature

Adjusting the Operating Set Point and the Differential Settings

Step-by-step guide for setting temperature parameters.

Economy Mode Setup Menu

Economy Mode Settings

Set-Point Adjustment Value

Adjusting the set-point for economy mode operation.

Time Clock Settings

Daily Operating Mode Settings

Economy Mode All Day

Setting the economy mode to apply for the entire day.

Normal Operation Between

Alarm Output Setup Menu

Current Fault / Alert Menu

Fault History Menu

Fault Occurrence Menu

Restore Factory Defaults Menu

Maintenance

Anode Rod Maintenance

Inspection and replacement of anode rods.

Temperature-Pressure Relief Valve Test

Draining and Flushing

Flushing the Water Heater

Sediment Removal

Lime Scale Removal

Other Scale Removal

Troubleshooting

Not Enough or No Hot Water

Troubleshooting steps for lack of hot water.

Water Is Too Hot

If You Cannot Identify or Correct the Source of Malfunction

Procedure when unable to resolve issues.

Checking for Leaks

Central Control Board (CCB) Control Circuit Diagram - Electronic Control Models

Power Circuit Diagrams - Surface Mount Control Models

Conversion to Single Phase

Conversion to Three Phase

Power Circuit Diagrams - Electronic Control Models

Commercial Electric - (1 Unit) With Vertical Storage Tank

Commercial Electric - (1 Unit) With Horizontal Storage Tank

Commercial Electric - (2 Units) With Vertical Storage Tank

Commercial Electric - (2 Units) With Horizontal Storage Tank

Commercial Electric - (3 Units) With Vertical Storage Tank

Commercial Electric - (3 Units) With Horizontal Storage Tank

Commercial Electric - (4 Units) With Vertical Storage Tank

Commercial Electric - (4 Units) With Horizontal Storage Tank