Giant UG50 series User Manual

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TABLE OF CONTENTS
If flammable vapours are detected:
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch.
• DO NOT use any phone in your building.
• From a neighbour’s phone, immediately call your gas supplier. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
After the flammable vapours have been evacuated, contact a qualified service technician or the gas supplier to have the water
heater inspected immediately. Replacement of a FVIR technology equipped water heater due to a flam-
mable vapour shutdown is not covered under the terms of the Standard Basic Limited Warranty.
Flammable Vapour Sensor
Do not remove the protective cover. Do not spray water or leak detector
products on this sensor. Do not expose this sensor to bleach or other liquid
cleaning products. Avoid humid environments and freezing temperatures.
If the sensor detects the presence of flammable vapours, the gas control will
switch to lock-out mode and the water heater will shut down. Do not try and
restart the water heater. Have the water heater inspected immediately by a
qualified service technician or the gas supplier.
WARNING
!!
Safety Information . . . . . . . . . . . . . . 3
Installation Instructions . . . . . . . . . . . 4
Altitude . . . . . . . . . . . . . . . . . . 4
Location . . . . . . . . . . . . . . . . . 4
Minimum Clearances . . . . . . . . . . . . 4
Venting . . . . . . . . . . . . . . . . . . 4
Venting Connection to the water heater . . . . 5
Through-the-Wall Venting Installation . . . . . 8
Concentric Vent Termination Kit Installation . . 8
Through-the-Roof Venting Installation . . . . . 9
Pipe Assembly . . . . . . . . . . . . . . 10
Vent Termination Through-The-Wall . . . . . 10
Vent Termination Through-The-Roof . . . . . 10
Restrictor Screens . . . . . . . . . . . . . 11
Condensation in the Venting System . . . . . 12
Water Piping . . . . . . . . . . . . . . . 12
Temperature and Pressure-Relief Valve . . . . 12
Pressure Build-up in a Water System . . . . . 12
Filling the Water Heater . . . . . . . . . . . 13
Gas Connections . . . . . . . . . . . . . . 13
Wiring . . . . . . . . . . . . . . . . . . 14
Installation Instructions for Water Heaters
Approved for Combination Space
Heating and Potable Water Heating . . . . . 14
Installation Checklist . . . . . . . . . . . . 16
Operating Instructions . . . . . . . . . . . . 17
Lighting the Water Heater . . . . . . . . . . 17
Lighting instructions . . . . . . . . . . . . 17
Water Temperature Regulation . . . . . . . . 18
Out of Fuel . . . . . . . . . . . . . . . . 19
General Maintenance . . . . . . . . . . . . 19
Housekeeping . . . . . . . . . . . . . . . 19
Flammable Vapour Sensor . . . . . . . . . . 19
Condensation . . . . . . . . . . . . . . . 19
Burner Ignitor Assembly . . . . . . . . . . . 20
Water Heater Tank . . . . . . . . . . . . . 20
Temperature and Pressure-Relief Valve . . . . 20
Venting System Inspection . . . . . . . . . . 20
Anode . . . . . . . . . . . . . . . . . . . 20
Draining the Water Heater . . . . . . . . . . 20
Vacation . . . . . . . . . . . . . . . . . . 20
Getting Service for your Water Heater . . . . . 21
Replacement Parts . . . . . . . . . . . . . . 22
Troubleshooting Guide . . . . . . . . . . . . 23
Warranty . . . . . . . . . . . . . . . . . . 26

Giant UG50 series Specifications

General

Brand	Giant
Model	UG50 series
Category	Water Heater
Language	English