AHRI UG75 Owner's Manual

Light duty commercial power vent gas-fired water heaters

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LIGHT DUTY COMMERCIAL POWER VENT GAS-FIRED WATER HEATERS
INSTALLATION AND OPERATING INSTRUCTIONS
UG75-76 Model
with Emerson
Generation II
gas control
valve
READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING THE INSTALLATION. PROPER
INSTALLATION WILL PROVIDE SAFE AND EFFICIENT SERVICE, AND AVOID NEEDLESS EXPENSE NOT
COVERED BY THE WARRANTY. READ THE PRODUCT WARRANTY CONTAINED IN THIS MANUAL AND
REMEMBER TO FILL OUT AND RETURN TO THE MANUFACTURER ALL RELEVANT WARRANTY
CARDS AND CERTIFICATES. SHOULD YOU HAVE ANY QUESTIONS, PLEASE CONTACT YOUR LOCAL
DEALER OR REFER TO THE GETTING SERVICE FOR YOUR WATER HEATER SECTION OF THIS
MANUAL. SAVE THIS MANUAL FOR FUTURE REFERENCES.
For your records, write the model and serial number here:
Model # ________________________________
Serial # ________________________________
54000067
© 2015 Giant Factories Inc. Printed in Canada
OWNER'S MANUAL
This water heater IS NOT design certified for
installation in a manufactured (mobile) home or
for installation outdoors.
If the information in these instructions is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury, or death.
DO NOT store or use gasoline or other
flammable vapours and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• 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.
Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
IMPORTANT
WARNING
DANGER
WARNING
DANGER
ISO 9001
ENREGISTRÉ
R
ISO 9001
REGISTRED
GI-IM061En-1215

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Summary of Contents for AHRI UG75

  • Page 1 LIGHT DUTY COMMERCIAL POWER VENT GAS-FIRED WATER HEATERS OWNER’S MANUAL INSTALLATION AND OPERATING INSTRUCTIONS UG75-76 Model WARNING with Emerson Generation II This water heater IS NOT design certified for gas control DANGER valve installation in a manufactured (mobile) home or for installation outdoors.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Installation Instructions for Water Heaters Safety Information ......2 Approved for Combination Space Installation Instructions .
  • Page 3: Installation Instructions

    INSTALLATION INSTRUCTIONS IMPORTANT These instructions have been written as a guide for the proper installation and operation of your water heater, and the manufacturer of this water heater will not accept any liability where these instructions have not been followed. However, for your safety and to avoid damage caused by improper installation, this water heater must be installed by a Certified Licensed Professional, and meet all local codes or, in the absence of local codes, CAN/ CSA B149.1, Natural Gas and Propane Gas Installation Code, in Canada, and/or the National Fuel Gas Code,...
  • Page 4: Minimum Clearances

    INSTALLATION INSTRUCTIONS This panel must extend at least three (3) inches Combustion and ventilation air requirements are deter- (7.6 cm) beyond the width and depth of the water mined by where the water heater is to be located. heater. Should the water heater be installed in an Water heaters are installed in either open (unconfined) alcove or closet, the entire floor area must be covered spaces or smaller (confined) spaces, such as closets...
  • Page 5 INSTALLATION INSTRUCTIONS C) When communicating with the outdoors through Figure 4 horizontal ducts, each opening shall have a minimum free area of one (1) in /kW) of /2,000 BTU (11.0 cm the total input rating of all gas appliances in the enclosure (see Figure 7).
  • Page 6: Louvers And Grilles

    INSTALLATION INSTRUCTIONS When ducts are used, they shall be of the same I MP ORTANT cross-sectional area as the free area of the openings to which they connect. The minimum short side dimension According to the CAN/CSA B149.1, Natural Gas and of rectangular air ducts shall not be less than three (3) Propane Gas Installation Code, plastic venting systems inches (7.6 cm).
  • Page 7: Venting Connection To The Water Heater

    INSTALLATION INSTRUCTIONS through the wall or vertically through the roof. The Figure 8 venting must not be attached to an existing chimney, 3'' min. or in common with any other appliance. Covering non- 18'' min. metallic vent pipe and fittings with thermal insulation is prohibited.
  • Page 8 INSTALLATION INSTRUCTIONS Figure 10 6 feet Min. Non mechanical air supply AREA WHERE TERMINAL IS NOT PERMITTED Mechanical air supply The Vent Termination must have a : Canadian Installations US Installations A) Clearance above grade, veranda, porch, deck, or balcony. 12 inches (30 cm) 12 inches (30 cm) B) Clearance to window or door that may be opened.
  • Page 9: Through-The-Wall Venting Installation

    INSTALLATION INSTRUCTIONS Table 2 — Centrotherm™ Table 3 — DuraVent™ Appliance Increaser Appliance Appliance adapter Increaser adapter adapter 3-inch (7.6 cm) pipe ISAA0303 clamp 4-inch (10.2 cm) pipe ISAA0303 ISIA0304 3-inch (7.6 cm) pipe 3PPS-AD PPS-PAC 4-inch (10.2 cm) pipe 3PPS-AD 3PPS-X4 PPS-PAC DURAVENT POLYPROPYLENE PIPE...
  • Page 10: Through-The-Roof Venting Installation

    INSTALLATION INSTRUCTIONS Make sure that all piping is properly braced. If the DURAVENT POLYPROPYLENE PIPE venting will pass through an enclosed area, make sure (Polypro single-wall gas vent system): PolyPro ® to leave at least one (1) inch (2.5 cm) clearance Make sure that all horizontal runs have a minimum rise around the piping for air circulation.
  • Page 11: Vent Termination Through-The-Wall

    INSTALLATION INSTRUCTIONS this outlet to drain any condensate that has accumu- Vent Termination through-the-Wall PVC AND CPVC VENT SYSTEM: lated, away from the water heater. Make sure that the condensate removal tube flows to a suitable free-flow- A 45-degree PVC elbow is supplied with the water heater and shall be used as the termination elbow for ing drain.
  • Page 12: Pressure Build-Up In A Water System

    INSTALLATION INSTRUCTIONS the new water heater. This new relief valve must meet 2) Open the cold water supply manual shut-off valve. all local codes or, at a minimum, the requirements This valve must remain open, as long as the water listed above.
  • Page 13: Installation Instructions For Water Heaters Approved For Combination Space Heating And Potable Water Heating

    INSTALLATION INSTRUCTIONS Make sure that the inlet pressure to the water heater 1) All piping and components that are used in the does not exceed psi (3.5 kPa) for both natural and system must be of a nonferrous type suitable for propane gases.
  • Page 14: Wiring

    INSTALLATION INSTRUCTIONS 6) If the incoming water line to the heater is equipped intended use sized by a qualified technician.This with a check valve, water meter, or pressure-reduc- will ensure that an adequate water heating ing valve, an expansion tank must be installed in capacity will be available for both heating and the system.
  • Page 15: Installation Checklist

    INSTALLATION INSTRUCTIONS Installation Checklist Location • Is the water heater located within the venting requirements and close to the main use of hot water? ..• Is the water heater protected from freezing temperatures? ..............• Has a drain pan been installed and piped to a free-flowing drain? ............•...
  • Page 16: Operating Instructions

    OPERATING INSTRUCTIONS CAUTION Lighting the Water Heater WARNING DO NOT light this water heater if: Before lighting or re-lighting your DANGER • It is not full of water. water heater, make sure that you • The gas supplied does not match the type listed have read and understood all of the on the rating plate.
  • Page 17: Water Temperature Regulation

    OPERATING INSTRUCTIONS CAUTION 2) If this is the first time that the control has been Water Temperature Regulation used, the left-most green indicator will be illumi- WARNING nated, indicating the water temperature setting of approximately 70°F (21°C). If the control has been The higher the setting, the greater the risk of DANGER in operation for some time, the water temperature...
  • Page 18: Out Of Fuel

    GENERAL MAINTENANCE CAUTION 3) When you have completed setting the control, wait Housekeeping thirty (30) seconds to see that the temperature WARNING indicators go off and the control enters “Sleep” mode. DO NOT store or use gasoline or other flammable TEMPERATURE DANGER INDICATORS WILL BE OFF DURING NORMAL...
  • Page 19: Water Heater Tank

    GENERAL MAINTENANCE by chlorinating the water heater and plumbing sys- Water Heater Tank Drain a pail of water through the drain valve at least tem. If the problem persists, special filtration equip- ment may be required. Under no circumstances is once a year.
  • Page 20: Vacation

    GENERAL MAINTENANCE Vacation Getting Service for your Water Heater If you are planning a vacation or other prolonged If you are having problems with your water heater, absence, it is highly recommended to shut off the gas follow these three easy steps: supply and the cold water supply to the water heater.
  • Page 21: Replacement Parts

    REPLACEMENT PARTS Complete ID No. Description blower Gas control valve Assembly assembly Gas control electronic module Gas control body Flammable vapour sensor Protective Cover Ignitor assembly Complete burner assembly Inner access door kit Outer access door Drain valve Overflow tube Dip tube 2 Magnesium anodes Temperature &...
  • Page 22: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING Disconnect the electrical power before servicing the water heater. Service should only be performed by a qualified service technician. Failure to follow these instructions can result in personal injury and/or death. DANGER CONDITION (code#) CAUSE REMEDY An open earth ground circuit to the igni- 1) Check that the earth ground conductor is properly connected at the fuse box or breaker panel and the tion.
  • Page 23 TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY No gas. Check with gas utility company. The burner will not ignite. Dirt in gas line. Notify utility. Install drip leg in gas line. Main burner line clogged. Clean. Check for source of trouble and correct. Defective gas control valve.
  • Page 24 TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY Poorly sealed, hot or cold water Tighten threaded connections. Leaking water. connections, gas control valve threads, relief valve, or drain valve. Leakage from plumbing system or Inspect plumbing system and other appliances. other appliances. Condensation. Refer to Condensation.
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This manual is also suitable for:

Ug76

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