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coMMeRcial electRic wateR heateR
installation and oPeRating instRuctions
105-108-112 Models
Read these instRuctions caRefully befoRe beginning the installation. PRoPeR installa-
tion 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 # ________________________________________
54000080
© 2016 Giant Factories Inc.
Printed in Canada
owneR's Manual
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 open the electrical junction box or the element
access panel before the power to the water heater is
turned "off".
• DO NOT ATTEMPT to repair or replace any of the
electrical components installed on the water heater
before the power to the water heater is turned "OFF".
• DO NOT USE the water heater on a voltage other than
that specified on the water heater rating plate.
• DO NOT CONNECT the power supply wiring to
anywhere other than the power distribution block in elec-
trical junction box of the water heater.
• DO NOT TURN ON the power to the water heater unless
it is completely filled with water.
• DO NOT DRAIN the water heater unless the power to the
water heater has been turned "OFF".
• DO NOT STORE or use gasoline or other flammable
vapours and liquids in the vicinity of this or any other
appliance.
• Immediately turn "OFF" the power to the water heater.
• If after turning "OFF" the power the smoke continues,
call your local fire department.
• When the smoke has stopped, call a qualified service
technician to identify and repair the problem.
IMPORTANT
CAUTION
WARNING
DANGER
AVERTISSEMENT
ATTENTION
WHAT TO DO IF YOU SMELL SMOKE
R
R
GI-IM066En-1216

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Summary of Contents for AHRI 105

  • Page 1 • If after turning “OFF” the power the smoke continues, call your local fire department. • When the smoke has stopped, call a qualified service 105-108-112 Models technician to identify and repair the problem. IMPORTANT Read these instRuctions caRefully befoRe beginning the installation. PRoPeR installa- tion will PRovide safe and efficient seRvice, and avoid needless exPense not coveRed by the waRRanty.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS safety information ....... . 2 Start-up Procedure ......26 installation instructions .
  • Page 3: Installation Instructions

    INSTALLATION INSTRUCTIONS location or the water heater. Suggested clearances for service purposes are This water heater should be located as close as possible to a power twelve (12) inches (30.5 cm) from the top and thirty (30) inches (76.2 supply and to the main use of hot water. This location must not be cm) in front of the unit.
  • Page 4: Water Piping

    INSTALLATION INSTRUCTIONS water Piping In order to provide full protection against excess pressure and/or tem- Refer to figure 2 for a typical installation. Use of this layout should pro- perature, a temperature & pressure-relief valve meeting the requirements vide a trouble-free installation for the life of the water heater. Refer to of the Standard Relief Valves and Automatic Gas Shut-Off Devices for figures 3 to 9 for different installation configurations.
  • Page 5: Pressure Build-Up In A Water System

    INSTALLATION INSTRUCTIONS Pressure build-up in a water system Check that all of the water piping connections have been made. To When the water heater operates, the heated water expands creating fill the water heater: a pressure build-up. This is a natural function and is one of the rea- 1) Make sure that the water heater drain valve is closed by inserting sons for installing a temperature and pressure-relief valve.
  • Page 6 INSTALLATION INSTRUCTIONS figure 5 Flow Regulating Plug Cock Manual shut-O Valve HOT WATER OUTLET Thermal Expansion Tank Union Union Thermometer COLD WATER INLET Temperature and Check Valve Union Pressure-Relief Valve Tank Temperature Control Over ue Tube All Bronze Circulating Pump Union ONE TEMPERATURE ONE WATER HEATER &...
  • Page 7 INSTALLATION INSTRUCTIONS figure 7 Flow Regulating Thermal Expansion Plug Cock Tank WATER OUTLET Thermometer Union Union Union Thermometer COLD WATER SUPPLY Temperature and STORAGE Pressure-Relief Valve TANK HEATER Union HEATER Over ue Tube Tank Temperature control Manual shut-o Valve Union All Bronze Union Check Valve...
  • Page 8: Electrical Connections

    TEW type wire that is approved for 221°F D'ENTREPOSAGE heater can result in property damage, personal injury, or death. (105°C) of the same size or greater. To hook up the water heater to the power supply, connect the power supply wiring to the power ATTENTION Soupape distribution block in the electrical junction box.
  • Page 9: Voltage

    11 208 Volts / 240 Volts / 277 Volts / 480 Volts GROUND wiring diagram POWER DISTRIBUTION for commercial electric water heater BLOCK models 105, 108 & 112 with 2 elements BLACK HIGH LIMIT SWITCH THERMOSTAT ELEMENT BLACK THERMOSTAT...
  • Page 10 INSTALLATION INSTRUCTIONS figure 12 208 Volts / 240 Volts / 277 Volts / 480 Volts wiring diagram for commercial electric water heater GROUND models 105, 108 & 112 POWER DISTRIBUTION BLOCK with 4 elements BLACK BLACK HIGH LIMIT SWITCH HIGH LIMIT SWITCH...
  • Page 11 INSTALLATION INSTRUCTIONS figure 13 208 Volts / 240 Volts / 277 Volts / 480 Volts wiring diagram for commercial electric water heater models 105, 108 POWER DISTRIBUTION BLOCK (1 PHASE) with 3 elements RED & YELLOW BLACK & BLUE (3 PHASES)
  • Page 12 INSTALLATION INSTRUCTIONS figure 14 208 Volts / 240 Volts / 277 Volts / 480 Volts wiring diagram for commercial electric water heater models 105, 108 with 6 elements...
  • Page 13 INSTALLATION INSTRUCTIONS...
  • Page 14 INSTALLATION INSTRUCTIONS figure 16 208 Volts / 240 Volts / 277 Volts / 480 Volts wiring diagram POWER DISTRIBUTION BLOCK (1 PHASE) for commercial electric water heater models 112 with 3 elements BLACK & BLUE RED & YELLOW (3 PHASES) GROUND FUSES 3 AMP., CLASS G...
  • Page 15 INSTALLATION INSTRUCTIONS figure 17 208 Volts / 240 Volts / 277 Volts / 480 Volts wiring diagram POWER DISTRIBUTION BLOCK (1 PHASE) for commercial electric water heater models 112 with 6 elements BLACK & BLUE RED & YELLOW (3 PHASES) GROUND FUSES 3 AMP., CLASS G...
  • Page 16 INSTALLATION INSTRUCTIONS...
  • Page 17 INSTALLATION INSTRUCTIONS figure 19 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 105, 108 with 3 elements (Canadian model only) POWER DISTRIBUTION BLOCK GROUND BLUE FUSES 3 AMP., CLASS G BLACK 600V CONTROL TRANSFORMER 240V...
  • Page 18 INSTALLATION INSTRUCTIONS figure 20 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 105, 108 with 6 elements (Canadian model only) GROUND POWER DISTRIBUTION BLOCK FUSES 3 AMP., CLASS G BLACK BLACK BLUE BLACK 600V CONTROL...
  • Page 19 INSTALLATION INSTRUCTIONS figure 21 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 105, 108 with 9 elements (Canadian model only) POWER DISTRIBUTION BLOCK GROUND FUSES 3 AMP., CLASS G BLACK BLACK BLACK BLUE BLUE BLACK...
  • Page 20 INSTALLATION INSTRUCTIONS figure 22 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 112 with 3 elements (Canadian model only) POWER DISTRIBUTION BLOCK GROUND FUSES 3 AMP., CLASS G BLACK BLACK BLACK BLUE 600V CONTROL TRANSFORMER 240V HIGH LIMIT SWITCH ELEMENTS...
  • Page 21 INSTALLATION INSTRUCTIONS figure 23 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 112 with 6 elements (Canadian model only) GROUND POWER DISTRIBUTION BLOCK FUSES 3 AMP., CLASS G BLACK BLACK BLUE BLACK 600V CONTROL TRANSFORMER 240V BLACK BLACK...
  • Page 22 INSTALLATION INSTRUCTIONS figure 24 600 Volts / 3 Phases wiring diagram for commercial electric water heater models 112 with 9 elements (Canadian model only) POWER DISTRIBUTION BLOCK GROUND FUSES 3 AMP., CLASS G BLACK BLACK 600V CONTROL TRANSFORMER 240V BLACK BLACK BLACK HIGH LIMIT SWITCH...
  • Page 23: Conversion Instructions

    4. Connect incoming power to terminal block L1 and L2. The sTrucTure 1 0 5 6 B of The model number TANK CAPACITY VOLTAGE INPUT IN 105 = 40.5 / 48.6 A = 208 V Imp. gal US Gal. KILOWATTS 108 = 61.4 / 73.7 B = 240 V Imp.
  • Page 24: Wattage & Voltage Conversion For 208V, 240V, 277V & 480V Models

    06999121 06999136 06999151 table 3 wattage conveRsion foR 600v Models *iMPoRtant : Model 105 and 108 cannot be converted to 63kW Conversion kits are available to modify total power (kW) of the water number desired conversion heater in the field. Refer to table 3 for the selection of the appropriate Model &...
  • Page 25: Operating Instructions

    OPERATING INSTRUCTIONS installation checklist location • Is the water heater located close to a power supply and 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 26: Start-Up Procedure

    OPERATING INSTRUCTIONS start-up Procedure to reset the high limit switch: 1) Turn «on» the circuit breaker at the main service panel. 1) Turn “off” the power to the water heater. 2) Make sure the fuse box or power switch (if one exists) next to the 2) Open the element access panel and remove the insulation.
  • Page 27: General Maintenance

    GENERAL MAINTENANCE water heater tank 2) Open the element access panel and remove the insulation. Drain a pail of water through the drain valve at least once a year. This 3) Disconnect the wires from the thermostat terminals. will remove excess sediment from the bottom of the tank. This 4) Lift the thermostat bracket arms and slide the thermostat up to sediment, if allowed to accumulate, will reduce the efficiency and the remove it.
  • Page 28: Draining The Water Heater

    GENERAL MAINTENANCE draining the water heater getting service for your water heater To completely drain the water heater: If you are having problems with your water heater, follow these three easy steps: 1) Turn “off” the power to the water heater. 1) Read the Troubleshooting Guide contained in this manual (see 2) Close the cold water supply manual shut-off valve.
  • Page 29: Replacement Parts

    87000014-A Snap-in plug 208 Volts, 240 Volts, MS155410 277 Volts, 480 Volts MS155520 Magnesium anodes MS166530 105, 108 & 112 models 16000008-A Outlet nipple 1½” X 3” TB587001 Terminal block end Single phase with 2 or 4 elements 99001204-A Twist-lock flange with screws...
  • Page 30 208 Volts, 240 Volts, 87000014-A Snap-in plug MS155410 277 Volts, 480 Volts Magnesium anodes MS155520 16000008-A Outlet nipple 1½” X 3” 105, 108 models 32000008-A 3 elements 32000007-A Terminal block three phases 6 elements with 3, 6, or 9 elements 32000009-A 9 elements...
  • Page 31 REPLACEMENT PARTS Item Part number Description Models 208 Volts, 240 Volts, 87000014-A Snap-in plug MS166530 Magnesium anodes 277 Volts, 480 Volts 16000008-A Outlet nipple 1½” X 3” 32000008-A All 3 elements 112 model Terminal block 32000007-A All 6 elements three phases with 3, 6, or 9 elements 32000009-A All 9 elements...
  • Page 32 Part number Description Models 600 Volts 87000014-A Snap-in plug MS155410 Magnesium anodes MS155520 105, 108 models 16000008-A Outlet nipple 1½’’ X 3’’ with 3, 6, or 9 elements 34001005-A Fuse Holder (2P) 34000003-A Fuses (3 amps Class G) 32000006-A Terminal block three phases...
  • Page 33 REPLACEMENT PARTS Item Part number Description Models 87000014-A Snap-in plug 600 Volts MS166530 Magnesium anodes 16000008-A Outlet nipple 1½” X 3” 112 model 34001005-A Fuse Holder (2P) with 3, 6, or 9 elements 34000003-A Fuses (3 amps Class G) TB587000 Terminal block three phases CU586000 Contactors HCC-3XU02CY...
  • Page 34: Troubleshooting Guide

    TROUBLESHOOTING GUIDE condition cause ReMedy no hot water. Dry-fired element. Replace with new element. Main power supply is “OFF”. Turn “ON” main power supply. Burnt fuse. Replace with new fuse. Circuit breaker has tripped. Reset circuit breaker. High limit reset control has tripped. Reset high limit control by pushing the reset button.
  • Page 35 TROUBLESHOOTING GUIDE condition cause ReMedy smoking wiring. Lightning/Power surge. Inspect/replace fuse, element, and thermostat. Low/High voltage. Check with electrical utility and correct. Power supply wiring undersized. see table 1 and consult electrical code for correct wire size. service wires charred or hot. Wiring connections are wrong. see figures 11 to 24 for correct wiring.

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