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Manuals
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Hubbell Manuals
Water Heater
280-3
Installation, operation and maintenance manual
Hubbell 280-3 Installation, Operation And Maintenance Manual
Tankless water heater
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Brochure & specs
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Important Safety Information
Table of Contents
Tankless Water Heater Operating Principle
Product Overview
General Description and Construction
Water Heater Selection Overview
Tankless Pressure Drop Chart
Technical Specifications
2 II General Description and Construction
Installation
Locating and Mounting Instructions
Plumbing Installation
Pipe Preparation
Flushing the Line
Installation to Quick-Connect Fitting
Disconnecting a Joint
Checking for Leaks and Purging Air
Typical Accessory Piping
Electrical Installation
Wiring to the Water Heater
Electrical Specifications
3 III Installation
4 Operation and Maintenance
Alternate Voltage Configuration Settings
Sub-Panel Wiring
First Use
Maintenance
Temperature Controller User Interface Instructions
Diagnostic Menu Display
Configuration Settings Display
Power Rate Display
Cost Calculator
Error Code
Remote Display
Priority and Remote Controls
Control Board Wiring Detail
5 Troubleshooting
Check the Power Supply to the Unit
Check the Hi-Limit Thermostats
Check the Thermistor
Check the Flow Meter
Check the Temperature Controller
Check the Triacs
Check the Heating Elements
Check to Triacs
Servicing and Replacement of Parts
Heating Element
Hi-Limit Switch
Inlet Thermistor
Outlet Thermistor
Temperature Controller
Triac
Flow Meter
Control Fuse
Wiring Diagrams
7 Parts List
Element Resistance Chart
8 Warranty
App. Isub-Panel Wiring Details
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Installation
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Operation and Maintenance
3
Troubleshooting
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Installation
, OPERATION, AND
Maintenance
MANUAL FOR
THE HUBBELL TANKLESS WATER HEATER
ELECTRIC HEATER COMPANY
Edition 2016A
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This manual is also suitable for:
220-3
180-2
240-3
145-2
165-2
110-2
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