GSW 73992 Installation and Operating Instructions

GSW WATER HEATING

599 Hill Street West

Fergus, ON, Canada N1M 2X1

COMMERCIAL ELECTRIC WATER HEATER

INSTALLATION AND OPERATING INSTRUCTIONS

Read and understand these instructions thoroughly before attempting any installation or service.

TABLE OF CONTENTS

I)

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

II)

Component Identification . . . . . . . . . . . . . . . . . .3

III)

Recovery Rates . . . . . . . . . . . . . . . . . . . . . . . . .4

IV)

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9

V)

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . .10-17

VI)

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

VII)

Maintenance . . . . . . . . . . . . . . . . . . . . . . . .19-21

VIII)

Leakage Checkpoints . . . . . . . . . . . . . . . . . . . .22

IX)

Floor Sealing . . . . . . . . . . . . . . . . . . . . . . . . . .23

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

PLEASE RETAIN THESE INSTRUCTIONS IN A

SAFE LOCATION FOR FUTURE REFERENCE

WARNING:

Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the electric utility.

FOR YOUR SAFETY

• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

• Installation and service must be performed by a qualified installer, service agency or the electric utility.

WARNING:

If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

All models are listed by Underwriters’

Laboratories, Inc.

GSW Water Heating is a division of GSW Water Products Inc.

INSTALLATION RECORD

This water heater is protected by a three (3) year warranty against leaks plus a one (1) year warranty on parts.

Record key data here for future reference and prompt service:

Installed By / Purchased From:

Installation Date: Location of Electrical Switch or Circuit Protector:

Model Number Serial Number

Volts

Watts/Element

Volume

Number of Elements Watts-Total

Technical Support Line: 1-888-479-8324

PART NO. 73992 REV. A (05-03)

Your safety and the safety of others is very important.

We have provided many important safety messages in this manual and on your appliance.

Always read and obey all safety messages.

This is the safety alert symbol.

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol and either the word

“DANGER” or “WARNING”.

DANGER

You can be killed or seriously injured if you don’t immediately follow instructions.

WARNING

You can be killed or seriously injured if you don’t follow instructions.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what can happen if the instructions are not followed.

I) INTRODUCTION

Thank you for purchasing this water heater. Properly installed and maintained, it will provide years of trouble free service. This manual gives instructions for the proper installation, safe operation and maintenance of this water heater.

It is your responsibility to ensure that your water heater is properly installed and cared for.

Important Consumer Notice

The warranty on this water heater is in effect only when the water heater is installed and operated in accordance with these instructions. The manufacturer of this water heater will not assume any liability for any injury or property damage resulting from failure to comply with these instructions.

Protect your warranty: Regularly maintain your water heater as detailed in the service and maintenance section of this manual.

Installation Code Requirements

In addition to the installation instructions found in this manual, the water heater must be installed in accordance with all local and provincial or state codes or, in the absence of local and provincial or state codes, with the latest edition of

“Canadian Electrical Code” (in Canada) available from:

Canadian Standards Association

5060 Spectrum Way,

Mississauga, Ontario, Canada

L4W 5N6 or

“National Electrical Code” (in USA) available from:

American Standards Institute,

1430 Broadway,

New York, NY 10018

The requirements of these documents must be carefully followed in all cases. Authorities having jurisdiction shall be consulted before installations are made. Check your phone

WARNING

THE ELECTRICAL SUPPLY TO THE WATER HEATER

MUST BE TURNED OFF WHEN WORKING ON, OR

NEAR, THE ELECTRICAL SYSTEM OF THE HEATER.

NEVER TOUCH THE ELECTRICAL COMPONENTS

WITH WET HANDS OR WHILE STANDING IN WATER.

TO ENSURE CONTINUED SAFETY PROTECTION,

REPLACE FUSES WITH SAME SIZE, TYPE AND RAT-

ING ONLY.

listings for the local authorities having jurisdiction over your installation.

Important: All supply equipment, installation, approvals, permits, inspections, etc. are the responsibility of the owner of this water heater. Consult your local authorities for regulations specific to your area.

Refer to Figure 1 to identify the major components and the optional equipment installed on this water heater.

Familiarize yourself with all the controls and components identified to help with checking the operation of this heater.

- 2 -

II) COMPONENT IDENTIFICATION

ANODE (UNDER

PLASTIC CAP)

POWER TRANSFORMER

(IF APPLICABLE)

FUSES (CONTROL CIRCUIT)

FUSES (POWER CIRCUIT)

(IF APPLICABLE)

CONTACTORS

PLUGS

HEATING

ELEMENTS

COLD

WATER

INLET

FIGURE 1: Parts Locations

HOT WATER

OUTLET

CONTROL COMPARTMENT

T&P VALVE

INPUT

TERMINAL

BLOCK

MANUAL

HIGH LIMIT

RESET

CONTROL

THERMOSTAT

CLEANOUT

DRAIN VALVE

ELEMENT COMPARTMENT

NOTES:

1. COVERS REMOVED FOR CLARITY.

2. 3 ELEMENT CONFIGURATION SHOWN.

3. COMPONENT LOCATION IN CONTROL COMPARTMENT

MAY VARY DEPENDING ON CONFIGURATION.

- 3 -

III) RECOVERY RATES

Standard

KW Input

6

9

12

13.5

15

18

24

27

30

36

40.5

45

54

RECOVERY RATE IN LITRES PER HOUR

BTU/Hr

Temperature rise in °C

17° 22° 28° 33° 39° 44° 50° 56° 61° 67° 72° 78°

20,478 310 235 185 155 132 117 102 95 83 79 72 68

30,717 466 348 280 235 201 174 155 140 129 117 106 98

40,956 621 466 371 310 265 231 208 185 170 155 144 132

46,075 697 522 420 348 299 261 235 208 189 174 163 1518

51,195 776 583 466 386 333 291 257 231 212 193 178 167

61,434 931 697 560 466 397 348 310 280 254 231 216 201

81,912 1242 931 746 621 530 466 413 371 337 310 288 265

92,151 1397 1045 837 697 598 522 466 420 382 348 322 299

102,390 1552 1162 931 776 666 583 519 466 424 386 360 333

122,868 1862 1397 1117 931 799 697 621 560 507 466 428 397

138,226 2097 1582 1257 1049 897 787 700 628 572 522 485 450

153,585 2328 1745 1397 1162 996 871 776 697 636 583 538 500

184,302 2794 2093 1677 1397 1196 1049 931 837 761 697 644 598

Standard

KW Input

6

9

12

13.5

15

18

24

27

30

36

40.5

45

54

RECOVERY RATE IN GALLONS PER HOUR

BTU/Hr

Temperature rise in °F

30° 40° 50° 60° 70° 80° 90° 100° 110° 120° 130° 140°

20,478 82 62 49 41 35 31 27 25 22 21 19 18

30,717 123 92 74 62 53 46 41 37 34 31 28 26

40,956 164 123 98 82 70 61 55 49 45 41 38 35

46,075 184 138 111 92 79 69 62 55 50 46 43 401

51,195 205 154 123 102 88 77 68 61 56 51 47 44

61,434 246 184 148 123 105 92 82 74 67 61 57 53

81,912 328 246 197 164 140 123 109 98 89 82 76 70

92,151 369 276 221 184 158 138 123 111 101 92 85 79

102,390 410 307 246 205 176 154 137 123 112 102 95 88

122,868 492 369 295 246 211 184 164 148 134 123 113 105

138,226 554 418 332 277 237 208 185 166 151 138 128 119

153,585 615 461 369 307 263 230 205 184 168 154 142 132

184,302 738 553 443 369 316 277 246 221 201 184 170 158

TABLE 1: Recovery Rates

- 4 -

IV) INSTALLATION

General

Applicable Codes

In addition to the installation instructions found in this manual, the water heater must be installed in accordance with all local and provincial or state codes or, in the absence of local and provincial or state codes, with the latest edition of

“Canadian Electrical Code” (in Canada) or NFPA-70

“National Electrical Code” (in USA).

The requirements of these documents must be carefully followed in all cases. Authorities having jurisdiction shall be consulted before installations are made. Check your phone listings for the local authorities having jurisdiction over your installation.

Important: Installation and service must be performed by a qualified service technician.

State of California

Note: The water heater must be braced, anchored, or strapped to avoid moving during an earthquake. Contact local utilities for code requirements in your area.

FAILURE TO FOLLOW THE INSTRUCTIONS IN

THIS MANUAL MAY RESULT IN DEATH, SERIOUS

BODILY INJURY AND/OR PROPERTY DAMAGE.

THOROUGHLY READ ALL INSTRUCTIONS

BEFORE YOU ATTEMPT TO INSTALL, OPERATE

OR MAINTAIN THIS HEATER.

Location Requirements

Refer to Figure 2 to determine the size of the various models of the water heater.

1. A clear space of 457mm (18 in.) should be allowed in front of the heater to allow access to the controls and elements.

2. A clearance of 305mm (12 in.) is sufficient clearance from the top of the heater to adjacent surfaces.

3. It is suggested that the heater be located in the center of the water system or close to the point-of-use requiring the most hot water.

4. The water heater should be located in an area not subject to freezing temperatures.

5. Water heaters located in unconditioned spaces (i.e., attics, basements, etc.) may require insulation of the water piping and drain piping to protect against freezing.

6. The drain and controls must be easily accessible for operation and service.

This water heater is not intended for space heating applications.

Temperature and Pressure (T&P) Relief

Valve

All water heaters must be installed with a proper temperature and pressure relief valve. In the United States this valve must be design certified by a nationally recognized testing laboratory that maintains periodic inspection of the produc-

Capacity

(litres/USG)

184 / 50

280 / 80

420 / 119

Height

(meters/inches)

1.31 / 51.5

1.56 / 61.5

1.65 / 64.75

Width

(meters/inches)

0.57 / 22.25

0.62 / 24.25

0.73 / 28.5

Nipple Size

(inches)

1.5

1.5

1.5

FIGURE 2: Rough-in Dimensions tion of listed equipment or materials as meeting the requirements for Relief Valves and Automatic Shut-off Devices for

Hot Water Supply Systems, ANSI Z21.22.

Important: Only a new temperature and pressure relief valve should be used with your water heater. Do not use an old or existing valve as it may be damaged or not adequate for the working pressure of the new water heater. Do not place any valve between the relief valve and the tank.

The T&P Valve:

• Must be connected to an adequate discharge line.

• Must not be rated higher than the working pressure shown on the data plate of the water heater.

- 5 -

The Discharge Line:

• Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line.

• Must not be capped, blocked, plugged or contain any valve between the relief valve and the end of the discharge line.

• Must terminate a maximum of 152mm (6 in.) above a floor drain or external to the building.

• Must be capable of withstanding 121°C (250°F) without distortion.

• Must be installed to allow complete drainage of both the valve and discharge line.

• Must not discharge so as to come in contact with any electrical part or wiring.

Under no circumstances is the manufacturer to be held responsible for any water damage in connection with this water heater.

IMPORTANT:

This water heater must be installed strictly in accordance with the instructions enclosed, and local electrical, fuel and building codes. It is possible that connections to the water heater, or the water heater itself, may develop leaks. IT IS THEREFORE IMPERATIVE that the water heater be installed so that any leakage of the tank or related water piping is directed to an adequate drain in such a manner that it cannot damage the building, furniture, floor covering, adjacent areas, lower floors of the structure or other property subject to water damage. This is particularly important if the water heater is installed in a multi-story building, on finished flooring or carpeted surfaces. GSW

WILL NOT ASSUME ANY LIABILITY for damage caused by water leaking from the water heater, pressure relief valve, or related fittings. Select a location as centralized within the piping system as possible. In any location selected, it is recommended that a suitable drain pan be installed under the water heater. This pan must limit the water level to a MAXIMUM depth of 45mm (1 3/4 in.) and have a diameter that is a minimum of 50mm (2 in.) greater than the diameter of the water heater. Suitable piping shall connect the drain pan to a properly operating floor drain.

Closed System/Thermal Expansion

During the heating cycle of the water heater, the water expands causing pressure inside the water heater to increase. The water utility supply meter may contain a check valve. This will create a closed water system. If the pressure in a closed water system exceeds 1034kPa (150

PSI), water will discharge from the temperature and pressure (T&P) relief valve. This is the normal safety function of a relief valve and indicates the proper functioning of the valve. Only if the discharge from the relief valve is continuous or for an extended period of time does this indicate a malfunction of some sort. Should this occur, have the operation of the heater checked by a technician qualified to do so. Frequent operation of the T&P valve can result in a build up of natural mineral deposits on the valve seat, rendering the valve inoperative. Should this happen, the valve needs to be replaced. To prevent this from happening install a diaphragm-type expansion tank, that is suitable for potable water, on the cold water supply line. The expansion tank must have a minimum capacity of 6 litres (1.5 USG.) for every 190 litres (50 USG) of stored water and be rated for

1034kPa (150 PSI) or the working pressure of the water heater. NEVER PLUG OR REMOVE the T&P valve.

Important: Do not plug or remove the temperature and pressure relief valve.

WARNING

Excessive Weight Hazard

Use two or more people to move and install water heater.

Failure to do so can result in back or other injury.

FIGURE 3: Drain Pan

WARNING!

Closets without drains and carpeted areas are examples of unsuitable locations for any water heater. Select a location as centralized within the piping system as possible. The heater should be located in an area not subject to freezing temperatures. If this heater is to be installed directly on carpeting, the carpeting must be protected by a metal or wood panel beneath the heater, extending beyond the full width and depth of the heater by a minimum 80mm (3 in.). If the heater is installed in a closet or alcove, the entire floor must be covered by the panel. This panel must be strong enough to support the weight of the heater full of water without breaking. Failure to heed this warning may result in a fire hazard.

Unpacking the Water Heater

Important: Do not remove any permanent instructions, labels, or the data label from the outside of the water heater or on the inside of panels. Remove exterior packaging and place installation components aside. Inspect all parts for damage prior to installation and start-up. Completely read and understand all instructions before attempting to assemble and install this product. After installation, dispose of packaging material in the proper manner.

Important: Strictly follow the installation instructions before making electrical connections.

- 6 -

Piping Installation

Piping, fittings, and valves should be installed according to the installation drawing (Figure 4). If the indoor installation area is subject to freezing temperatures, the water piping must be protected by insulation. Water supply pressure should not exceed 80% of the working pressure stated on the water heater’s data plate. If the supply pressure is higher than this limit, a pressure limiting valve with a bypass must be installed in the cold water inlet line. This should be placed on the supply to the entire building in order to maintain equal hot and cold water pressures.

Important: Heat must not be applied to the water fittings on the heater as they may contain nonmetallic parts. If solder connections are used, solder the pipe to the adaptor before attaching the adaptor to the hot and cold water fittings.

Important: Always use a good grade of joint compound that is compatible with potable water and be certain that all fittings are drawn up tight.

1. Install the water piping and fittings as shown in Figure 4.

Connect the cold water supply (1 1/2 in. NPT) to the fitting marked “Cold Water Inlet”. Connect the hot water supply (1 1/2 in. NPT) to the fitting marked “Hot Water

Outlet”.

2. The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement.

3. The manufacturer of this water heater recommends installing a tempering valve in the domestic hot water line as shown in Figure 4. These valves reduce the pointof-use temperature of the water by mixing cold and hot water and are readily available for use. Contact a licensed plumber or the local plumbing supplier.

4. If installing the water heater in a closed water system, install an expansion tank in the cold water line as specified under “Closed System/Thermal Expansion”.

5. Install a shut-off valve in the cold water inlet line. It should be located close to the water heater and be easily accessible. Show the user the location of this valve and how use it to shut off the water to the heater.

6. A temperature and pressure relief valve is installed in the opening marked ”Temperature and Pressure (T&P)

Relief Valve” on the water heater. Add a discharge line to the opening of the T&P relief valve. Follow the instructions under “Temperature and Pressure (T&P) Relief

Valve”.

7. After piping has been properly connected to the water heater, close the shut-off valve in the cold water inlet line.

Please note the following:

DO NOT install this water heater with iron piping. The system should be installed only with piping that is suitable for potable (drinkable) water such as copper, CPVC, or polybutylene. DO NOT use PVC water piping.

DO NOT use any pumps, valves, or fittings that are not compatible with potable water.

DO NOT use valves that may cause excessive restriction to water flow. Use full flow ball or gate valves only.

DO NOT use 50/50 tin-lead solder (or any lead based solder) in potable water lines. Use 95/5 tin-antimony or other equivalent material.

DO NOT tamper with the temperature and pressure relief valve. Tampering voids all warranties. Only qualified service technicians should service these components.

DO NOT use with piping that has been treated with chromates, boiler seal, or other chemicals.

DO NOT add any chemicals to the system piping that will contaminate the potable water supply.

DO NOT apply electrical power before the tank is filled with water and you have confirmed that there are no leaks in the piping and connections.

WARNING

TO REDUCE RISK OF ELECTRIC SHOCK OR POSSI-

BLE ELECTROCUTION THE WATER HEATER MUST

BE ELECTRICALLY GROUNDED. The electrical supply to the water heater should be a separately grounded branch circuit having overcurrent protection and a disconnect switch. Refer to the rating plate attached to the heater to determine the correct ratings for voltage and amperage. To ensure proper operation, the supply voltage should be within +5% and -10% of the rated voltage of the heater. The water heater should be grounded in accordance with national and local codes.

Tempering valve

Water meter or anti-siphoning device

WARNING

WATER HEATER EQUIPPED FOR LIMITED VOLTAGE

RANGE. This water heater is designed to operate within a specific voltage range. Check rating plate mounted on the heater for the correct voltage. DO NOT connect this water heater to any voltage supply other than that indicated on the rating plate. Failure to use the correct voltage may result in unsafe operation and personal injury or property damage. If you have any questions or doubts consult your electric company.

FIGURE 4: Piping Installation

- 7 -

Electrical Connections

CAUTION!

TO PREVENT DAMAGE TO THE TANK AND

HEATING ELEMENT(S), THE TANK MUST BE FILLED

WITH WATER BEFORE TURNING "ON" POWER. SEE

"FILLING THE WATER HEATER".

The information in Table 3 may be used as a guide to determine the wire size of the branch circuit. It is recommended the branch circuit wiring be 125% of the amperage rating of

the water heater. If the heater is located a long distance away from the electrical supply, the wire size of the branch circuit should be increased. The voltage measured at the heater should not be less than 3% lower than what is measured at the supply. If your calculated value does not appear in the table, substitute the next highest rating listed in the table.

1. Ensure the element marking and rating plate data correspond with the electric service available.

2. Install a branch circuit directly from the main service panel to the water heater. The wiring of this circuit must be of adequate size for the length of run and the load

(see Table 3).

3. A ground wire must run from the green ground screw provided at the electrical connection point in the heater junction box to the ground connection at the service panel.

4. Final connections are made in the control panel box on the heater.

5. The heater you have received is internally wired. A specific wiring diagram for each heater is located inside the control panel. All internal wiring is colour-coded and connections must be made as shown in the wiring diagrams

(Figures 5-10 for Canada, Figures 11-16 for USA).

Fuses

Components in the power circuit are protected by fuses. For voltage supplies up to 480V, the fuses are rated for 30 amperes, class G. For voltage supplies of 600V, the fuses are rated for 15 amperes, class G. Replace fuses with same size, type and rating only.

Note: These fuses are not required or installed in water heaters sold in Canada.

Installation Check List

Check Here

1. Are the fuse and wire sizes correct?

2. Is the certified relief valve installed?

3. Were steps taken to prevent water damage in case of leaks?

4. Has the relief valve been piped to a suitable drain point?

5. Is the relief valve discharge unobstructed?

6. Is the heater completely filled with water?

7. Is the cold water supply valve open?

If the answer to the above are yes, turn on the power and enjoy all the hot water you need, all the time.

Phase Conversion (USA only)

To Single Phase

If the heater is shipped for connection to a three-phase electrical service, it may be connected to a single-phase electrical service of the same voltage by making the following changes:

1. Disconnect all the blue wires and all the yellow wires from Terminal Block L3.

2. Reconnect all the blue wires to Terminal Block L1 (with the black wires).

3. Reconnect all the yellow wires to Terminal Block L2 (with the red wires).

4. Connect incoming power to Terminal Blocks L1 and L2.

To Three Phase

If the heater is shipped for connection to a single-phase electrical service it may be connected to a three-phase electrical service of the same voltage by making these changes:

1. Disconnect all the blue wires from Terminal Block L1.

2. Disconnect all the yellow wires from Terminal Block L2.

3. Reconnect the blue wires and the yellow wires to

Terminal Block L3.

4. Connect incoming power to Terminal Blocks L1, L2, and

L3.

- 8 -

Temperature Control

All electric water heaters feature fully automatic controls to regulate the water temperature. The thermostat supplied with the water heater may be either an immersion or a surface mounted type. Both types of thermostats use contact relays to energize the electric heating elements. The thermostats are located in the bottom control panel. The thermostats are factory set to 60°C (140°F) to reduce the risk of scalding. Water temperature adjustments for the immersion type thermostat can be made by turning the temperature adjustment dial, located on the outside of the lower control panel, to the desired temperature setting. Water temperature adjustments can be made to the surface mounted thermostat by first turning off the electric power supply to the water heater and removing the bottom control panel cover.

Using a screwdriver, turn the thermostat dial to the desired temperature setting. The water heater is equipped with a surface mounted high limit control located under insulating material in the top control panel. If for any reason the water temperature becomes excessive, the high limit will de-energize the heating element circuit. Once the high limit has been activated it must be manually reset by pushing in the red reset button located on the high limit. The cause of the excessive temperature should be determined and corrected.

WARNING

Hot water produced by this appliance can cause severe burns due to scalding. The hazard is increased for young children, the aged, or the disabled where water temperatures exceed 52°C (125°F). Use tempering valves in the hot water system to reduce the risk of scalding at point-ofuse such as lavatories, sinks and bathing facilities. Such precautions must be followed when this heater is operated in combination with dishwashing or space heating applications.

CAUTION

Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time (generally two (2) weeks or more).

Hydrogen gas is extremely flammable and can ignite

when exposed to a spark or flame. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system. Use caution in opening faucets. When hydrogen is present, there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow. There should be no smoking or open flame near the faucet at the time it is open.

Water Heater Sounds

During the normal operation of the water heater, sounds or noises may be heard. These noises are common and may result from the following:

1. Normal expansion and contraction of metal parts during the periods of heat-up and cool-down.

2. Sediment build up in the tank bottom will create varying amounts of noise and may cause premature tank failure.

Drain and flush the tank as directed under “Draining,

Flushing and Sediment Removal”.

WARNING

Water temperature over 52°C (125°F) can cause severe burns instantly or death from scalds.

Children, disabled and elderly are at highest risk of being scalded.

Feel water before bathing or showering.

Temperature limiting valves are recommended.

- 9 -

V) ELECTRICAL

KW Input

No. of

Elements

27

30

36

36

40.5

45

54

6

9

12

13.5

15

18

18

24

3

6

9

TABLE 2: Load Currents

Element

Wattage

Full Load in Amperes

Single Phase Three Phase

208V 240V 277V 347V 480V 600V 208V 240V 480V 600V

2000

3000

4000

4500

28.8

43.3

57.7

64.9

25.0

37.5

50.0

56.3

5000

6000

72.1

86.5

62.5

75.0

3000 86.5

75.0

4000 115.4

100.0

21.7

32.5

43.3

48.7

54.2

65.0

65.0

86.6

17.3

25.9

34.6

38.9

43.2

51.9

51.9

69.2

12.5

18.8

25.0

28.1

31.3

37.5

37.5

50.0

10.0

15.0

20.0

22.5

25.0

30.0

30.0

40.0

16.7

25.0

33.3

37.5

41.6

50.0

50.0

66.6

14.4

21.7

28.9

32.5

36.1

43.3

43.0

57.7

7.2

10.8

14.4

16.2

18.0

21.7

21.7

28.9

5.8

8.7

11.5

13.0

14.4

17.3

17.3

23.1

4500 129.8

112.5

97.5

5000 144.2

125.0

108.3

77.8

86.5

6000 173.1

150.0

130.0

103.7

4000 173.1

150.0

130.0

103.7

56.3

62.5

75.0

75.0

4500 194.7

168.8

146.2

116.7

5000 216.3

187.5

162.5

129.7

6000

84.4

93.8

N/A 225.0

194.9

155.2

112.5

45.0

50.0

60.0

60.0

74.9

83.3

99.9

99.9

65.0

72.2

86.6

86.6

67.5

112.4

97.4

75.0

124.9

108.3

90.0

150.0

129.9

32.5

36.1

43.3

43.3

48.7

54.1

65.0

26.0

28.9

34.6

34.6

39.0

43.3

52.0

KW Input

No. of

Elements

6

9

12

13.5

15

18

18

24

27

30

36

36

40.5

45

54

3

6

9

TABLE 3: Wiring Requirements

Element

Wattage

2000

3000

4000

4500

5000

6000

3000

4000

4500

5000

6000

208V 240V 277V 347V 480V 600V 208V 240V 480V 600V

10

8

6

6

4

3

3

2

1

0

00

10

8

6

6

6

4

4

3

2

1

0

4000

4500

00

000

0

00

5000 0000

6000 N/A

000

0000

Minimum Field Wiring Size, AWG, 75°C

Single Phase Three Phase

10

8

8

6

6

6

6

3

3

2

1

1

0

00

000

12

10

8

8

8

6

6

4

4

3

2

2

1

1

00

14

12

10

8

8

8

8

6

6

6

4

4

4

3

2

14

14

12

10

10

10

10

8

8

6

6

6

4

4

3

12

10

8

8

8

6

6

4

4

4

3

3

2

1

0

12

10

10

8

8

8

8

6

6

4

3

3

3

2

1

14

14

14

12

12

10

10

10

8

8

8

8

6

6

6

14

14

14

8

6

8

8

10

10

10

8

14

14

12

12

Note: Table 3 is for reference only. All branch circuit wiring must comply with local and provincial or state codes or, in the absence of local and provincial or state codes, with the latest edition of the applicable “Electrical Code”.

- 10 -

L1

L2

L3

GND

INPUT

TERMINAL

BLOCK

3A FUSE

3A FUSE

OPTIONAL CONTROL

TRANSFORMER (USED ON 480 OR 600V ONLY)

PRIMARY SECONDARY

X1

RED 480 OR 600V

RED

4

2

HIGH-LIMIT

THERMOSTAT

1

3

240V

BLACK N

X2

BLACK

RED

RED

BLACK

RED

BLACK

2

1

THERMOSTAT

4

RED

FOR 3 ELEMENTS CONFIGURATION. ONLY C1

WITH CORRESPONDING WIRING APPLIES.

FOR 6 ELEMENTS CONFIGURATION. ONLY C1, C2

WITH CORRESPONDING WIRING APPLIES.

FOR 9 ELEMENTS CONFIGURATION. CIRCUIT IS AS SHOWN.

CONTACTORS

C3

(IF APPLICABLE)

C2

(IF APPLICABLE)

C1

FIGURE 5: Control Circuit (Canada)

INPUT

TERMINAL

BLOCK

(1 PHASE)

RED

L1

BLACK

L2 INPUT

TERMINAL

BLOCK

(3 PHASE)

YELLOW

L1

BLACK

L2

BLUE

L3

RED

RED

L1 L2 L3

RED

L1 L2 L3

CONTACTOR

T1 T2 T3 C1 T1

CONTACTOR

T2 T3 C1

LOWER ELEMENTS

FIGURE 6: 3 Element Power Circuits (Canada)

LOWER ELEMENTS

- 11 -

INPUT

TERMINAL

BLOCK

RED

L1

BLACK

L2

L1 L2 L3

RED

L1 L2 L3

RED

T1

CONTACTORS

T2 T3 C2 T1 T2 T3 C1

BLACK

BLACK

BLACK

CENTER ELEMENTS

FIGURE 7: 6 Element, 1 Phase Power Circuit (Canada)

LOWER ELEMENTS

INPUT

TERMINAL

BLOCK

YELLOW

L1

BLACK

L2

BLUE

L3

L1 L2 L3

CONTACTORS

T1 T2 T3 C2

L1 L2 L3

T1 T2 T3 C1

CENTER ELEMENTS


LOWER ELEMENTS

- 12 -

INPUT

TERMINAL

BLOCK

RED

L1

L1 L2 L3 L1 L2 L3

RED

L1 L2 L3

RED

T1 T2 T3 C3

T1

CONTACTORS

T2 T3 C2 T1 T2 T3 C1

BLACK

BLACK

BLACK

CENTER ELEMENTS

BLACK

BLACK

BLACK

UPPER ELEMENTS


LOWER ELEMENTS

INPUT

TERMINAL

BLOCK

YELLOW

L1

BLACK

L2

BLUE

L3

BLACK

L2

L1 L2 L3

CONTACTORS

T1 T2 T3 C3

L1 L2 L3

T1 T2 T3 C2

L1 L2 L3

T1 T2 T3 C1

LOWER ELEMENTS UPPER ELEMENTS

CENTER ELEMENTS


- 13 -

L1

L2

L3

INPUT

TERMINAL

BLOCK 3A FUSE

3A FUSE

PRIMARY

480V

CONTROL

TRANSFORMER

SECONDARY

X1

240V

208V

N

120V

X2

2

HIGH-LIMIT

THERMOSTAT

1

4 3

1

THERMOSTAT

4

2

GROUND

GND

CONTACTORS

FIGURE 11: 3 Element Control Circuit (USA only)

INPUT

TERMINAL

BLOCK

(SINGLE PHASE)

L1

BLACK/BLUE

L2

RED/YELLOW

* REPLACE FUSES WITH

SAME SIZE, TYPE AND

RATING ONLY.

INPUT

TERMINAL

BLOCK

(3 PHASE)

L1

BLACK

L3

L2

RED

L3

BLUE/YELLOW

C2 C1

FIGURE 12: 3 Element Power Circuit (USA only)

- 14 -

FUSE HOLDER

WITH FUSES *

CONTACTORS

L1 L2 L3

C2 T1 T2 T3

L1 L2 L3

C1 T1 T2 T3

LOWER ELEMENTS

L1

L2

L3

INPUT

TERMINAL

BLOCK 3A FUSE

3A FUSE

PRIMARY

480V

CONTROL

TRANSFORMER

SECONDARY

X1

240V

208V

N

120V

X2

GND

CONTACTORS


C4 C3

INPUT

TERMINAL

BLOCK

(SINGLE PHASE)

L1

BLACK/BLUE

L2

RED/YELLOW

L3

2

HIGH-LIMIT

THERMOSTAT

1

4 3

1

THERMOSTAT

4

GROUND

C2

2

C1


SAME SIZE, TYPE AND

RATING ONLY.

INPUT

TERMINAL

BLOCK

(3 PHASE)

L1

BLACK

L2

RED

L3

BLUE/YELLOW

RED

YELLOW

RED

FUSE HOLDER

WITH FUSES *

CONTACTORS

L1 L2 L3

C4 T1 T2 T3

L1 L2 L3

C3 T1 T2 T3

L1 L2 L3 L1 L2 L3

C2 T1 T2 T3 C1 T1 T2 T3

LOWER ELEMENTS


CENTER ELEMENTS

- 15 -

L1

L2

L3

INPUT

TERMINAL

BLOCK 3A FUSE

3A FUSE

PRIMARY

480V

CONTROL

TRANSFORMER

SECONDARY

X1

240V

208V

N

120V

X2

GND

CONTACTORS

C6 C5


C4 C3

INPUT

TERMINAL

BLOCK

(SINGLE PHASE)

L1

BLACK/BLUE

L2

RED/YELLOW

L3

2

HIGH-LIMIT

THERMOSTAT

1

4 3

1

THERMOSTAT

4

GROUND

C2

2

C1


SAME SIZE, TYPE AND

RATING ONLY.

INPUT

TERMINAL

BLOCK

(3 PHASE)

L1

BLACK

L2

RED

L3

BLUE/YELLOW

RED

YELLOW

RED

FUSE HOLDER

WITH FUSES *

CONTACTORS

L1 L2 L3

C6 T1 T2 T3

L1 L2 L3

C5 T1 T2 T3

L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3

C4 T1 T2 T3 C3 T1 T2 T3 C2 T1 T2 T3 C1 T1 T2 T3

LOWER ELEMENTS UPPER ELEMENTS


CENTER ELEMENTS

- 16 -

H4

460V

H3

230V

H2

208V

X1

SECONDARY

115V, 0.65A

H4

380V

H3

277V

H2

208V

X1

SECONDARY

120V, 0.63A

H1

FIGURE 17: Transformer PT75MLI (USA only)

X2

H5

600V

X1

H4

480V

H3

416V

H2

240V

SECONDARY

0.63A

99V

X2

120V

X3

130V

H1 X4

FIGURE 19: Transformer PT75MRMA (USA only)

H1

FIGURE 18: Transformer PT75MGJ (USA only)

X2

- 17 -

VI) OPERATION

General

CAUTION!

NEVER APPLY ELECTRICAL POWER TO

THIS WATER HEATER UNLESS IT IS COMPLETELY

FULL OF WATER. TO PREVENT DAMAGE TO THE TANK

AND HEATING ELEMENTS, THE TANK MUST BE FILLED

WITH WATER BEFORE USE. WATER MUST FLOW

FROM THE HOT WATER FAUCET BEFORE APPLYING

POWER.

Filling the Water Heater

1. Do not turn the power on until all the following steps, including Startup steps, have been completed.

2. Make sure the drain valve is closed.

3. Open a hot water faucet associated with the system.

4. Open the cold water supply valve.

NOTE: When filling, avoid water leakage. Do not allow the insulation of the water heater to get wet as water can cause electrical malfunction.

5. When water runs out of the hot water faucet in a steady stream, the tank is full.

6. Close the hot water faucet and check the system for leaks. Repair as required and retest.

7. Connect a hose to the drain valve and route to a suitable drain. Open the drain valve and let water run to flush out any foreign matter that may have entered the system.

Once flushed, close the drain valve and disconnect hose. Repeat steps 4-6.

Startup

Perform the following checks when the heater is placed into operation for the first time.

Voltage Check: Verify that the supply voltage and the rating plate voltage are the same.

1. Open the upper component panel cover and check all electrical connections.

2. Remove the lower cover and the insulation for the element compartment and check all electrical connections.

3. Turn "ON" the electrical supply to the heater.

4. Carefully watch all the components for one complete cycle of operation to see that they function properly.

DANGER: Hazardous voltages are present in both compartments. Be careful not to touch any electrical connections.

5. To check the operation of the thermostat

(a) operate the thermostat manually and

(b) let the heater come to the preset temperature and shut off automatically.

6. Turn "OFF" the electrical supply to the heater.

7. Replace all the insulation and close all covers.

8. Turn "ON" the electrical supply to the heater.

High Temperature Limiting Device

The heater is equipped with a high temperature cutoff switch. If the water temperature exceeds the preset limit this device turns off the power to the heating elements. The high temperature switch is set to activate at 88°C (190°F). If the switch has been activated, allow the water temperature to drop by 17°C (30°F) (min) and reset manually. The hightemperature switch is not adjustable.

- 18 -

VII) MAINTENANCE

General

Do not attempt to repair water heater. Call your authorized dealer for service. Shut off the electric power whenever the water supply is turned off. Before calling for service, check that:

1. The heater is properly filled.

2. The electrical supply has not been interrupted.

prevent water damage, the valve must be properly connected to a discharge line which terminates at an adequate drain. Stand clear of the outlet (discharged water may

be hot) and slowly lift and release the lever handle on the temperature and pressure relief valve (see Figure 20) to allow the valve to operate freely and return to its closed position. If the valve fails to completely reset and continues to release water, immediately turn “OFF” the power and close the cold water inlet and call a qualified service technician.

Draining, Flushing and Sediment

Removal

Water may contain fine particles of soil and sand which settle to the bottom of a tank and thus form a layer of sediment.

If not removed, the sediment could reach the heating elements and cause them to fail. It is recommended that the tank be drained and flushed on a regular basis to remove any sediment that may buildup during operation. Some maintenance and service procedures require that the heater be drained and empty. The water heater should also be drained if being shut down for an extended period of time.

To drain and remove the sediment from the tank:

1. Turn the electrical supply to the heater “OFF”.

2. Close the cold water supply valve.

3. Attach hose to the drain valve and route to an adequate drain.

CAUTION! The water being drained can be extremely

hot! The drain hose should be rated for at least 93°C

(200°F). If the drain hose does not have this rating, open the cold water supply valve and a nearby hot water faucet served by the system until the water flow is no longer hot.

Close the cold water supply valve and resume.

4. Open the drain valve using a flat-blade screwdriver. A nearby hot water faucet must be opened to allow the tank to be fully drained.

5. Open the cold water supply valve and flush the tank as needed to remove sediment and any other foreign matter that may have entered the system. Close the cold water supply valve when clean water flows.

6. If the heater is to remain empty for an extended period of time, it is suggested the drain valve be left open.

When draining is complete, the hose may be removed.

7. Perform any other servicing as required.

8. Close the drain valve, disconnect hose.

9. Follow instructions for “Filling the Water Heater” and

“Startup” when heater is ready to be put back into service.

emperature and Pressure (T&P) Relief

Valve Check

Temperature and Pressure

Relief Valve

Discharge line to drain

FIGURE 20: T&P Valve Test

Cathodic Protection

Your water heater has been equipped with one or more anodes that protect the glass-lined tank from corrosion and prolong the life of the water heater. Over time, as the anode(s) works, it slowly dissolves, exposing the steel inner core. Once the anode(s) is depleted, the tank will start to corrode, eventually developing a leak. Depending on water conditions, an anode(s) can last from one to ten years.

Many localities treat their water and this can have a significant effect on the life of your heater. Water conditioning, such as over-softening, can accelerate the rate at which the anode(s) is consumed. As with any water heater, it is good practice to check the anode(s) annually to see if it needs replacing. Do not remove this anode(s) permanently as

it will void any warranties, stated or implied. Rapid depletion or failure to maintain the anode can leave a heater unprotected and may result in premature failure of the heater due to corrosion and leaks.

Hot Water Odour

Manual Relief

Valve

NOTE: If the water heater is going to be shut down for an extended period, drain the tank as directed in “Draining,

Flushing and Sediment Removal”. Ensure that the cold water supply valve is closed and the drain valve left open.

T

On occasion, and depending on your location, hot water may develop a strong odour. This can be especially problematic in regions where the water contains sulphur, which results in hot water having a "rotten egg" odour. If this occurs, drain the system completely, flush thoroughly and refill the tank. If the water odour or discoloration persists, the anode(s) may need to be changed from magnesium to one made of aluminum. Aluminum anodes may reduce, but not

CAUTION!

THE WATER COMING FROM THE VALVE

MAY BE EXTREMELY HOT.

Manually operate the temperature and pressure relief valve at least once a year to make sure it is working properly. To eliminate, water odour problems. The water supply system may require special filtration equipment from a water conditioning company to successfully eliminate all water odour problems. In certain cases chlorinating and flushing of the water heater may be required. Contact your dealer or water supplier.

- 19 -

Discoloured Water

• Water rich in iron or other minerals can produce red or brown staining. Heating water generally worsens this situation.

• Black water can be an indication of organic contaminates in the water supply. This can be problematic in areas where the water is obtained from surface or contaminated sources. Organic particles can develop bacterial growth, causing potential health hazards.

• Contact your water supplier for proper filtration or water conditioning equipment.

• For bacterial problems contact your local health authority. See also “Hot Water Odour”.

• A sudden appearance of rust-coloured water may indicate that the anode(s) has been depleted. Once depleted, the anode’s inner steel core becomes exposed causing it to corrode and release iron particles into the water. See also “Anode Maintenance”.

Lime Scale

Over time all immersion type elements accumulate lime scale on their surfaces. Various conditions affecting this buildup include:

• Volume of hot water used; as the consumption of hot water increases, more scale results.

• Water temperature; the hotter the water the more scale is deposited.

• Purity of the water supply.

If it becomes necessary to delime the elements, use a nonmetallic (soft) tool or scraper to remove the scale taking care not to damage the surface of the element. Alternatively, use a non-muriatic delimer that is approved for use with potable water to dissolve the lime scale.

DANGER!

Do not use muriatic or hydrochloric acid based deliming solutions.

Anode Maintenance

A new anode is about 20mm (13/16 in.) to 22mm (7/8 in.) diameter and has a steel wire core approximately 3mm (1/8 in.) diameter in the center. The anode should be replaced when this wire is visible. Operating a water heater without an actively working anode(s) will void the warranty.

To check/replace the anode:

1. Turn "OFF" the electrical supply to the water heater.


3. Open a nearby hot water faucet served by the system to depressurize the system.

4. Connect a hose to the drain valve and drain 22 litres (6

USG.) as directed in “Draining, Flushing and Sediment

Removal”.

CAUTION! The water being drained can be extremely

hot! The drain hose should be rated for at least 94°C

(200°F). If the drain hose does not have this rating, open the cold water supply valve and a nearby hot water faucet served by the system until the water flow is no longer hot.

Close the cold water supply valve and resume.

5. Using a 1 5/16" socket, remove the anode(s) and inspect it. The surface may be rough, full of pits and crevices, but this is normal. If it is less than approximately 10mm (3/8 in.) in diameter, or the inner steel core exposed, the anode(s) should be replaced.

NOTE: The anode(s) has been factory installed using a power tool. It may be necessary for a second person to stabilize the heater. A few sharp blows on the handle of the socket wrench should loosen the anode nut. If an impact wrench (power drive) is available, this is an easier way to remove an anode.

6. Apply Teflon® tape or sealing compounds approved for use with potable water to the threads of the anode(s) and install into the tank top.

7. Open the cold water supply valve and open a nearby hot water faucet to purge air from the water tank as directed in “Filling the Water Heater”.

8. Check for leaks, repair as required, and re-test.

9. Turn the electrical supply to the heater “ON”.

- 20 -

Troubleshooting Checklist

Before placing a service call, perform the following checks to see if the problem can be identified and corrected easily.

Correcting a fault identified by this list may eliminate the need for a service call and quickly restore hot water service.

Refer to Figure 1 to identify the location of all of the heater’s major components.

DANGER! BE SURE TO TURN OFF THE POWER TO

THE HEATER WHEN CHECKING EQUIPMENT.

Insufficient or no hot water:

1. Ensure the electrical supply to the water heater is in the

"ON" position.

2. Check that all the fuses are intact;

• Fuses are usually contained in the electrical disconnect switch.

• There are also fuses in the heater control panel.

3. If the water is now cold but was excessively hot, the high-limit switch may have tripped.

• To reset, open the component panel cover, remove the insulation plug to access the high-limit switch. Depress the red button to manually reset the switch.

NOTE: If the high-limit switch trips repeatedly the water heater should be inspected by a qualified service technician.

4. A large demand for hot water may have been more than the heater can supply.

• Allow a recovery period to restore water temperature after large demands.

5. Check incoming water supply temperature.

• If the incoming water temperature is cooler than normal, it will lengthen the time required to heat water to the desired temperature

6. Look for leakage in the hot water supply lines.

7. Operation of the water heater may be affected by the buildup of sediment or lime scale.

• Follow the instructions given in “Draining, Flushing and

Sediment Removal”.

Water heater is noisy:

1. The heater makes sizzling and hissing noises operating.

• The accumulation of sediment or lime scale may be the cause. The sounds are normal; however, the tank bottom and elements should be cleaned. Follow the instructions given in “Draining, Flushing and Sediment

Removal”.

2. Some of the electrical components of the water heater controls make noises.

• Most of these are normal. Contactors will "click" or snap as the heater starts and stops, transformers and contacts often hum.

Water leakage is suspected or apparent:

Refer to “Leakage Checkpoints” (Figure 21) to locate potential leakage points.

1. Make sure the heater drain valve is fully closed.

2. Discharge from the outlet of the T&P relief valve may indicate:

• Faulty relief valve.

• Excessive water temperature.

• Excessive water pressure.

A common cause of relief valve leakage is excessive water pressure. This condition is often caused by a "closed system”. A closed system has a check valve in the inlet system that prevents the expanded hot water volume to equalize pressure with the main system. If a relief valve does not release this pressure, it will damage the water heater or plumbing system.

3. Remove the cover and insulation from the element compartment.

• Examine the area around the element gasket for leakage.

• Tighten the elements if necessary. If tightening the elements does not stop the leak it may be necessary to replace the gaskets.

IF YOU CANNOT IDENTIFY OR CORRECT THE SOURCE

OF MALFUNCTION

1. Turn the electrical supply to the heater “OFF”.


3. Call a qualified service technician.

- 21 -

VIII) LEAKAGE CHECKPOINTS

ANODE (UNDER

PLASTIC CAP)

HOT WATER

OUTLET

T&P VALVE

PLUGS FOR

UNUSED

ELEMENT

LOCATIONS

COLD WATER

INLET

ELEMENTS

CLEANOUT PORT

(BEHIND ACCESS

DOOR)

DRAIN VALVE

FIGURE 21: Possible leakage points

- 22 -

IX) FLOOR SEALING

Installation Instructions

WARNING

IMPROPER INSTALLATION, ADJUSTMENT OR

ALTERATION OF THESE COMPONENTS CAN CAUSE

NON-COMPLIANCE TO NSF SPECIFICATIONS. ONLY

A QUALIFIED INSTALLER, SERVICE AGENT, OR CER-

TIFIED FACTORY REPRESENTATIVE SHALL INSTALL

THE NSF CONSTRUCTION COMPONENTS.

FIGURE 22: NSF Caulking (Drain Pan)

General

The installation of the floor sealant is a requirement for

NSF construction compliance.

Tools And Materials Required:

1. Floor sealant (Dow Corning RTV Sealant #732).

2. Standard caulk gun.

WARNING

THE MANUFACTURER OF THIS WATER HEATER

WILL NOT ASSUME ANY LIABILITY FOR ANY DAM-

AGE RESULTING FROM FAILURE TO COMPLY WITH

THESE INSTRUCTIONS. READ THESE INSTRUC-

TIONS THOROUGHLY BEFORE STARTING.

FIGURE 23: NSF Caulking (Floor)

Installation Procedure

Before proceeding with the sealing of this heater to comply with NSF requirements, ensure this water heater has been installed in accordance with local and provincial or state codes or, in the absence of local and provincial or state codes, with the latest edition of “Canadian Electrical

Code” (in Canada) or NFPA-70 “National Electrical

Code” (in USA). Refer to the installation instructions provided with this water heater.

1. Thoroughly read and understand the floor sealant instructions.

2. Thoroughly read and understand the installation instruction manual supplied with the heater before beginning the installation.

3. Ensure the water heater has been installed in accordance with the installation instructions for this water heater and/or with local codes and ordinances.

4. Seal the heater base to the drain pan and the drain pan to the floor with the sealant listed above. Be certain that there are no gaps or openings in the seal (See Figure

22).

5. If a drain pan is not installed seal the unit base to the floor with the sealant listed above. Be certain that there are no gaps or openings in the seal (See Figure 23).

NOTE: The NSF certification requires the heater to be designed, constructed and installed to prevent the harborage of vermin and the accumulation of dirt and debris.

- 23 -

~ Certificate of Warranty ~

See Rating Label Serial Number prefix for

Warranty Code. Reduced warranty period applies to Newfoundland.

Warranty Code: P R S T U V W Y

Standard Warranty Years:

3 5 6 7 8 9 10 12

Reduced Warranty Years:

2 3 3 5 5 5 5 7

For its GSW and John Wood water heaters and storage boosters ("Unit"), GSW Water Heating ("GSW")

warrants that, upon receipt of a properly verified Warranty claim within the Warranty Period, it will, at its election, repair or replace: units which leak or parts which are defective in material or workmanship, subject to the terms and conditions set forth in this certificate. GSW will not assume any expense or liability for unauthorized returns, nor repairs made by a person who has not been authorized by GSW or one of its authorized dealers. GSW Units/parts must be replaced with GSW or

John Wood products to be eligible for Warranty. This Warranty is available to the original owner of a Unit installed within the boundaries of continental United

States, of Canada, or their territories. Consumers must retain point-of-sale proof of purchase to validate warranty entitlement. This Warranty does not cover components not manufactured by GSW, such as oil burners, which carry the warranty given by the manufacturer thereof, copy of which warranty GSW will make available, to the extent supplied by the manufacturer, without recourse to GSW.

THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. THIS EXPRESS

WARRANTY IS, WHERE PERMITTED BY LAW, IN LIEU OF AND EXCLUDES AND REPLACES ALL OTHER CONDITIONS,

WARRANTIES, GUARANTEES, REPRESENTATIONS, OBLIGATIONS OR LIABILITIES OF GSW OF ANY NATURE OR KIND,

EXPRESS OR IMPLIED, HOWEVER ARISING (WHETHER BY CONTRACT, CONDUCT, STATEMENT, STATUTE, NEGLI-

GENCE, PRINCIPLES OF MANUFACTURER'S LIABILITY, OPERATION OF LAW OR OTHERWISE) WITH RESPECT TO THE

UNIT OR ITS FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, INSTALLATION, OPERATION, REPAIR OR

REPLACEMENT. GSW EXPRESSLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES. IN NO EVENT WILL GSW'S LIA-

BILITIES EXCEED THE COST OF THE DEFECTIVE PART(S) OR UNIT. GSW WILL NOT PAY FOR ANY TRANSPORTATION,

LABOUR, INSTALLATION, OR OTHER INCIDENTAL COSTS ASSOCIATED WITH THE REPAIR OR REPLACEMENT OF A

DEFECTIVE PART OR UNIT.

This warranty and GSW's obligations shall be construed and determined in accordance with the laws of both the Province of Ontario, and of Canada in force therein. This Warranty does not affect specific legal rights of a consumer under applicable law, except to the extent that such rights may be waived or replaced, and the provisions hereof are deemed to be amended to the extent necessary. The unenforceability of any provision, in whole or in part, of this Certificate shall not affect the remaining provisions. Any and all repair and/or replacement of part(s) or Unit are the sole and exclusive remedy available against GSW.

LIABILITY OF GSW COVERED BY THIS WARRANTY IS CONDITIONAL UPON THE FOLLOWING:

1.

The Unit shall be installed in accordance with all manufacturers' instructions, all applicable equipment and building codes, ordinances and regulations (hereinafter referred to as the "standards").

2.

The Unit must not be installed where water damage can result from a leak, while provision(s) shall be made for directing any water escaping from the Unit, to a properly operating drainpipe. As all units of this type may eventually leak, you must protect against any potential water damage. GSW accepts no responsibility for such damage, nor any incidental or consequential loss, nor damage(s) related thereto, suffered by the owner of the Unit nor by any third party.

3.

The Unit shall not be installed where it will be exposed to adverse or unusual environmental or corrosive conditions. No warranty extends, for example, and without limitation of the foregoing, to Units exposed to: salts; chemicals; exhausts; pollutants or contaminants. Further, no warranty extends to Units affected by fire, freezing or flood, "Acts of God", or any other contingency beyond the control of GSW.

4.

The Unit shall be equipped with a properly operating temperature and pressure relief valve as specified by GSW and applicable standards. The

Unit shall be operated at temperatures not exceeding the maximum setting of the thermostat and/or high limit control provided by GSW, and at water pressures not exceeding the pressure reading stated on the Unit.

5.

The Unit must be carefully inspected, maintained, and operated in accordance with the manufacturer's instructions. No warranty extends, for example, and without limitation of the foregoing, to any Unit operated: without the tank being completely filled with water; without an operating anode; with levels of sediment or lime precipitate which cause failure; in connection to any attachment(s), energy saving device(s), or other means of heating, except as approved by GSW for the Unit; other than with potable water without any additives such as salts, chlorine or chemicals, except those added for the sole purpose of rendering the water fit for domestic use.

6.

All repairs must be made by a competent and qualified person who is certified, by GSW or one of its authorized dealers, to work on the Unit, using factory approved replacement parts, and the Unit shall not be otherwise modified, altered or improperly repaired.

7.

A properly documented claim shall be received by GSW or one of its authorized dealers, or point of purchase, within the following Warranty

Period, except as provided otherwise below*: a) for any defective part, within one (1) year; or b) for any Unit that develops leaks in the inner tank due to rust, corrosion or other chemical reactions caused by the potable domestic water supplied to your home, within the period of time shown in table at the top of this page.

* Residential units installed and used in a commercial application carry a warranty period of one (1) year from date of installation; and,

Any repair or replacement of any part, tank, or Unit under this Warranty will not extend the Warranty Period beyond that calculated from the date of first installation of the original Unit. The date of first installation will be deemed to be the later of the date indicated by the Unit's serial number, or if supplied with the Warranty claim, the sales receipt, or installer's receipt.

8.

A claim under this Warranty must include the model and serial number of the Unit, proof of date on which the Unit was first installed, and the identity of the defective part(s) for which a claim is being made and be submitted within 15 days following discovery of the defect(s), by personal delivery to a GSW authorized dealer, point of purchase, or GSW itself at:

GSW Water Heating

GSW Water Heating is a division of GSW Water Products Inc.

599 Hill Street West

Fergus, ON Canada N1M 2X1

Should you have questions, please call our Technical Support Line at 1-

888-479-8324.

9.

If requested by GSW, information relating to the purchase, transportation, operation and installation of the Unit must be supplied. The defective part(s) or Unit, with all components properly and securely packed, shall be returned transportation pre-paid, to the address designated by GSW in the written request. All claims are subject to validation by GSW.

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