Lochinvar ARMOR 151 User Manual

 WARNING: If the information in this

manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

-- This water heater MUST NOT be installed in any location where gasoline or flammable vapors are likely to be present.

-- WHAT TO DO IF YOU SMELL GAS

AWII-I-O Rev C

Installation & Operation Manual

Models: 151 - 801

• Do not try to light any appliance.

• Do not touch any electric switch; do not use any phone in your building.

• Immediately call your gas supplier from a near by phone. 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.

 WARNING

Save this manual for future reference.

This manual must only be used by a qualified heating installer / service technician. Read all instructions, including this manual and the Armor Water Heater Service Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.

Contents

HAZARD DEFINITIONS .................................................... 2

PLEASE READ BEFORE PROCEEDING ........................ 3

THE ARMOR WATER HEATER -- HOW IT WORKS .... 4-6

RATINGS ........................................................................... 7

1. DETERMINE WATER HEATER LOCATION

Provide Clearances ............................................................ 8

Provide Air Openings to Room ........................................ 10

Flooring and Foundation ................................................. 10

Residential Garage Installation ........................................ 10

Vent and Air Piping .......................................................... 10

Prevent Combustion Air Contamination ........................... 10

Corrosive Contaminants and Sources ............................. 11

Using an Existing Vent System to Install a New Water

Heater ............................................................................... 11

Removing a Water Heater from Existing Common Vent . 12

2. PREPARE WATER HEATER

Remove Water Heater from Wood Pallet ........................ 13

Gas Conversions ......................................................... 13-15

Leveling the Water Heater .......................................... 15

3. GENERAL VENTING

Direct Venting Options ................................................ 16-17

Install Vent and Combustion Air Piping ........................... 18

PVC/CPVC Vent Piping Materials ............................... 18

Requirements for Installation in Canada .......................... 18

Installing Vent or Air Piping .............................................. 18

PVC/CPVC Air Intake/Vent Connections ......................... 19

Air Inlet Pipe Materials ..................................................... 20

Stainless Steel Vent ......................................................... 20

Stainless Steel Air Intake/Vent Connections .................... 21

Min./Max. Combustion Air & Vent Piping Lengths ........... 22

Vent and Air Piping .......................................................... 22

Optional Room Air ............................................................ 23

4. SIDEWALL DIRECT VENTING

Vent/Air Termination - Sidewall ................................... 24-27

Determine Location ................................................ 24-26

Prepare Wall Penetrations ..................................... 26-27

Termination and Fittings ............................................. 27

Multiple Vent/Air Terminations .................................... 27

Sidewall Termination - Optional Concentric Vent ....... 28-30

5. VERTICAL DIRECT VENTING

Vent/Air Termination - Vertical .................................... 31-32

Determine Location ......................................................... 31

Prepare Roof Penetrations ......................................... 32

Termination and Fittings ............................................. 32

Multiple Vent/Air Terminations .................................... 32

Vertical Termination - Optional Concentric Vent ......... 33-34

Alternate Vertical Concentric Venting .................... 35-36

6. SYSTEM PIPING

System Water Piping Methods ......................................... 37

Flow Switch and Relief Valve Installation ........................ 37

Flow Switch Adjustment ................................................... 37

Scalding ............................................................................ 38

Water Chemistry............................................................... 38

Piping Components .......................................................... 38

7. GAS CONNECTIONS

Connecting Gas Supply Piping ........................................ 44

Natural Gas ...................................................................... 45

Pipe Sizing for Natural Gas ........................................ 45

Natural Gas Supply Pressure Requirements ............. 45

Propane Gas .................................................................... 45

Pipe Sizing for Propane Gas ...................................... 45

Propane Supply Pressure Requirements ................... 45

Check Inlet Gas Supply ................................................... 46

Gas Pressure ................................................................... 47

Gas Valve Replacement .................................................. 47

8. FIELD WIRING

Line Voltage Connections ................................................ 48

Low Voltage Connections ................................................ 48

Wiring of the Cascade ...................................................... 50

9. CONDENSATE DISPOSAL

Condensate Drain ............................................................ 52

10. STARTUP ............................................................. 53-58

11. OPERATING INFORMATION

General ............................................................................. 59

Cascade ........................................................................... 61

Sequence of Operation .................................................... 62

Armor Water Heater Control Module ............................... 63

Status Display Screens ............................................... 64-66

12. MAINTENANCE

Maintenance & Annual Startup ................................... 67-71

13. DIAGRAMS

Ladder Diagram ............................................................... 72

Wiring Diagram................................................................. 73

Revision Notes .................................................. Back Cover

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

 DANGER

 WARNING

 CAUTION

CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

Please read before proceeding

Installation & Operation Manual

 WARNING

NOTICE

Installer – Read all instructions, including this manual and the Armor Water Heater Service Manual, before installing. Perform steps in the order given.

Have this water heater serviced/inspected by a qualified service technician, at least annually.

Failure to comply with the above could result in severe personal injury, death or substantial property damage.

When calling or writing about the water heater – Please have the water heater model and serial number from the water heater rating plate.

Consider piping and installation when determining water heater location.

Any claims for damage or shortage in shipment must be filed immediately against the transportation company by the consignee.

Factory warranty (shipped with unit) does not apply to units improperly installed or improperly operated.

When servicing the water heater –

• To avoid electric shock, disconnect electrical supply before performing maintenance.

• To avoid severe burns, allow the water heater to cool before performing maintenance.

Water heater operation –

• Do not block flow of combustion or ventilation air to the water heater.

• Should overheating occur or gas supply fail to shut off, do not turn off or disconnect electrical supply to circulator. Instead, shut off the gas supply at a location external to the appliance.

• Do not use this water heater if any part has been under water. The possible damage to a flooded appliance can be extensive and present numerous safety hazards. Any appliance that has been under water must be replaced.

 WARNING

Failure to adhere to the guidelines on this page can result in severe personal injury, death, or substantial property damage.

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

-- This water heater MUST NOT be installed in any location where gasoline or flammable vapors are likely to be present.

-- WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electric switch; do not use any phone in your building.

• Immediately call your gas supplier from a near by phone. 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.

Installation & Operation Manual

The Armor Water Heater - How it works...

1. Stainless steel heat exchanger

Allows water to flow through specially designed coils for maximum heat transfer, while providing protection against flue gas corrosion. The coils are encased in a jacket that contains the combustion process.

2. Combustion chamber access cover

Allows access to the combustion side of the heat exchanger coils.

3. Blower

The blower pulls in air and gas through the venturi (item 5). Air and gas mix inside the blower and are pushed into the burner, where they burn inside the combustion chamber.

4. Gas valve

The gas valve senses the negative pressure created by the blower, allowing gas to flow only if the gas valve is powered and combustion air is flowing.

5. Venturi

The venturi controls air and gas flow into the burner.

6. Flue gas (limit rated)

This sensor monitors the flue gas exit temperature. The control module will modulate and shut down the water heater if the flue gas temperature gets too hot. This protects the flue pipe from overheating.

7. Water heater outlet temperature sensor (housed with the high limit sensor)

This sensor monitors water heater outlet water temperature (system supply). If selected as the controlling sensor, the control module adjusts water heater firing rate so the outlet temperature is correct.

8. Water heater inlet temperature sensor

This sensor monitors return water temperature (system return). If selected as the controlling sensor, the control module adjusts the water heater firing rate so the inlet temperature is correct.

9. Flow Switch The flow switch is a safety device that ensures flow through the

heat exchanger during operation. This appliance is low mass and should never be operated without flow. The flow switch makes contact when flow is detected and allows the unit to operate. If flow is discontinued during operation for any reason the flow switch will break the control circuit and the unit will shut down.

10. Electronic LCD display

The electronic display consists of 4 buttons, a navigation dial and a multiple line liquid crystal display.

11. Flue pipe adapter

Allows for the connection of the PVC vent pipe system to the water heater.

12. Burner (not shown)

Made with metal fiber and stainless steel construction, the burner uses pre-mixed air and gas and provides a wide range of firing rates.

13. Water outlet

NPT water connection that supplies hot water to the tank.

14. Water inlet

NPT water connection that returns water from the tank to the heat exchanger.

15. Gas connection pipe

Threaded pipe connection. This pipe should be connected to the incoming gas supply for the purpose of delivering gas to the water heater.

16. SMART SYSTEM Control Module

The SMART SYSTEM Control responds to internal and external signals and controls the blower, gas valve, and pumps to meet the demand.

17. Manual air vent

Designed to remove trapped air from the heat exchanger coils.

18. Air intake adapter

Allows for the connection of the PVC air intake pipe to the water heater.

19. High voltage junction box

The junction box contains the connection points for the line voltage power and the pump.

20. Water heater drain port

Location from which the heat exchanger can be drained.

21. Low voltage connection board

The connection board is used to connect external low voltage devices.

22. Low voltage wiring connections (knockouts)

Conduit connection points for the low voltage connection board.

23. Condensate drain connection

Connects the condensate drain line to a 1/2" PVC union.

24. Access cover - front (not shown)

Provides access to the gas train and the heat exchanger.

25. Ignition electrode

Provides direct spark for igniting the burner.

26. Flame inspection window

The quartz glass window provides a view of the burner surface and flame.

27. Gas shutoff valve

Manual valve used to isolate the gas valve from the gas supply.

28. High limit sensor (housed with the outlet temperature sensor)

Device that monitors the outlet water temperature. If the temperature exceeds its setting, the integrated control will break the control circuit, shutting the water heater down.

29. Relief valve

Protects the heat exchanger from over pressure and temperature conditions. The relief valve is set at 150 PSI.

30. Flame sensor

Used by the control module to detect the presence of burner flame.

31. Line voltage wiring connections (knockouts)

Conduit connection points for the high voltage junction box.

32. Top panel

Removable panel to gain access to the internal components.

33. Power switch

Turns 120 VAC ON/OFF to the water heater.

34. Leveling legs

Used to allow the heat exchanger to be leveled. This is needed for the proper draining of the condensate from the combustion chamber.

35. Air shroud (501 Model Only)

The air shroud directs air and gas flow into the burner.

36. Air pressure switch

The air pressure switch detects blocked inlet or outlet conditions.

37. Pump relay (not shown)

The pump relay is used to control the circulation pump.

38. Transformer

The transformer provides 24V power to the integrated control.

39. Gas shutoff switch

An electrical switch designed to cut power to the gas valve to prevent releasing any gas.

Installation & Operation Manual

The Armor Water Heater - How it works... (continued)

Models 151 - 200

Rear View - Models 151 - 200

2 1

Left Side (inside unit) - Models 151 - 200

2 1

Rear View - Model 286

Left Side (inside unit) - Model 286

Installation & Operation Manual

The Armor Water Heater - How it works...

Models 400 - 501

Rear View - Models 400 - 501

Left Side (inside unit) - Models 400 - 501

Models 601 - 801

Rear View - Models 601 - 801

Left Side (inside unit) - Models 601 - 801

Ratings

Installation & Operation Manual

Model Number

Note: Change “N” to “L” for L.P. gas

models.

AWN151PM 30,000 - 150,000 1.3 1-1/4" 1/2" 3"/3"

AWN200PM 40,000 - 199,999 1.7 1-1/4" 1/2" 3"/3"

AWN286PM 57,000 - 285,000 2.4 2" 3/4" 4"/4" AWN400PM 80,000 - 399,999 3.4 2" 1" 4"/4" AWN501PM 100,000 - 500,000 4.2 2" 1" 4"/4" AWN601PM 120,000 - 600,000 4.2 2" 1" 4"/4" AWN701PM 140,000 - 700,000 5.0 2" 1" 6"/4" AWN801PM 160,000 - 800,000 5.7 2" 1" 6"/4"

NOTICE

Maximum allowed working pressure is located on the rating plate.

Input Modulation Btu/hr

CSA

Water Content

Gallons

(Note 2, 3) (Note 1)

Water

Connections

Gas

Connections

Notes:

1. Armor water heaters require special gas venting. Use only the vent materials and methods specified in the Armor Installation and Operation Manual.

2. Standard Armor water heaters are equipped to operate from sea level to 4,500 feet only with no adjustments. The water heater will de-rate by 4% for each 1,000 feet above sea level up to 4,500 feet.

Vent/Air Size

UNIT EQUIPPED FOR

HIGH ALTITUDE

3,000 FT TO 12,000 FT

3. High altitude Armor water heaters are equipped to operate from 3,000 to 12,000 feet only with no field adjustments. The water heater will de-rate by 2% for each 1,000 feet above 3,000 feet. High altitude models are manufactured with a different control module for altitude operation, but the operation given in this manual remains the same as the standard models. A high altitude label (as shown in FIG. A) is also affixed to the unit.

4. The manual reset high limit provided with the Armor is listed to UL353 and ANSI Z21.87.

Figure A High Altitude Label Location

1 Determine water heater location

Installation & Operation Manual

Installation must comply with:

• Local, state, provincial, and national codes, laws, regulations, and ordinances.

• National Fuel Gas Code, ANSI Z223.1 – latest edition.

• National Electrical Code.

• For Canada only: B149.1 Installation Code, CSA C22.1 Canadian Electrical Code Part 1 and any local codes.

NOTICE

The Armor water heater gas manifold and controls met safe lighting and other performance under tests specified in ANSI Z21.10.3 – latest edition.

Before locating the water heater, check:

1. Check for nearby connection to:

• Water piping

• Venting connections

• Gas supply piping

• Electrical power

2. Locate the appliance so that if water connections should

leak, water damage will not occur. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance. The pan must not restrict combustion air flow. Under no circumstances is the manufacturer to be held responsible for water damage in connection with this appliance, or any of its components.

3. Check area around the water heater. Remove any

combustible materials, gasoline and other flammable liquids.

 WARNING

4. The Armor water heater must be installed so that gas control

system components are protected from dripping or spraying water or rain during operation or service.

Failure to keep water heater area clear and free of combustible materials, gasoline, and other flammable liquids and vapors can result in severe personal injury, death, or substantial property damage.

 WARNING

This appliance requires a special venting system. If using PVC the vent connection to the appliance must be made with the starter CPVC pipe section provided with the appliance. The field provided vent fittings must be cemented to the CPVC pipe section. Use only the vent materials, primer and cement specified in this manual to make the vent connections. Failure to follow this warning could result in fire, personal injury, or death.

Closet and alcove installations

A closet is any room the water heater is installed in which is less than 86 cubic feet for AWN151 models, 106 cubic feet for AWN200 models, 120 cubic feet for AWN286 models, 165 cubic feet for AWN400 models, 191 cubic feet for AWN501 models, 223 cubic feet for AWN601 models, 247 cubic feet for AWN701 models and 278 cubic feet for AWN801 models.

An alcove is any room which meets the criteria for a closet with the exception that it does not have a door.

Example: Room dimensions = 4 feet long, 5 feet wide, and 9 foot ceiling = 4 x 5 x 9 = 180 cubic feet.

 WARNING

For closet and alcove installations as shown in FIG.’s 1-1 and 1-2, CPVC vent material must be used inside the structure. The ventilating air openings shown in FIG.’s 1-1 and 1-2 are required for this arrangement. Failure to follow this warning could result in fire, personal injury, or death.

Provide clearances:

Clearances from combustible materials

1. Hot water pipes—at least 1/4" from combustible materials.

2. Vent pipe – at least 1" from combustible materials.

3. See FIG.’s 1-1 and 1-2 on page 9 for other clearance minimums.

5. If a new water heater will replace an existing water heater, check for and correct system problems, such as:

• System leaks causing oxygen corrosion or heat exchanger cracks from hard water deposits.

 WARNING

This appliance is certified as an indoor appliance. Do not install the appliance outdoors or locate where the appliance will be exposed to freezing temperatures or to temperatures that exceed 100°F.

Failure to install the appliance indoors could result in severe personal injury, death, or substantial property damage.

Clearances for service access

1. See FIG.’s 1-1 and 1-2 on page 9 for recommended service clearances. If you do not provide the minimum clearances shown, it may not be possible to service the water heater without removing it from the space.

Installation & Operation Manual

1 Determine water heater location (continued)

Figure 1-1 Closet Installation - Minimum Required Clearances

1/4” MINIMUM CLEARANCE

ROUND HOT WATER PIPES

1” MINIMUM CLEARANCE

ROUND VENT PIPES

12” LEFT

14” REAR

CLOSET INSTALLATION

6” FRONT

 WARNING

For closet installations, CPVC or stainless steel vent material MUST BE used in a closet structure due to elevated temperatures. Failure to

13" TOP

* AREA OF EACH OPENING: 645 SQ. MM PER 1000 BTU PER HOUR INPUT WITH A MINIMUM O F64516 SQ. MM

follow this warning could result in fire, personal injury, or death.

VENTILATING AIR OPENING

CLOSED DOOR

VENTILATING AIR OPENING

0” RIGHT

Figure 1-2 Alcove Installation - Minimum Required Clearances

For alcove installations, CPVC or stainless steel vent material MUST BE used in an alcove structure due to elevated temperatures. Failure to follow this warning could result in

1/4” MINIMUM CLEARANCE

ROUND HOT WATER PIPES

1” MINIMUM CLEARANCE

ROUND VENT PIPES

ALCOVE INSTALLATION

 WARNING

12"

TOP

fire, personal injury, or death.

OPEN

FRONT

12”

LEFT

14”

REAR

18"

FRONT

RIGHT

1 Determine water heater location

Installation & Operation Manual

Provide air openings to room:

Armor water heater alone in equipment room

1. No air ventilation openings into the equipment room are needed when clearances around the Armor water heater are at least equal to the SERVICE clearances shown in FIG.’s 1-1 and 1-2. For spaces that do NOT supply this clearance, provide two openings as shown in FIG. 1-1. Each opening must provide one square inch free area per 1,000 Btu/hr of water heater input.

Armor water heater in same space with other gas or oil-fired appliances

1. Follow the National Fuel Gas Code (U.S.) or CSA B149.1 (Canada) to size/verify size of the combustion/ventilation air openings into the space.

 WARNING

2. Size openings only on the basis of the other appliances in the space. No additional air opening free area is needed for the Armor water heater because it takes its combustion air from outside (direct vent installation).

The space must be provided with combustion/ ventilation air openings correctly sized for all other appliances located in the same space as the Armor water heater.

Do not install the water heater in an attic.

Failure to comply with the above warnings could result in severe personal injury, death, or substantial property damage.

Residential garage installation

Precautions

Take the following precautions when installing the appliance in a residential garage. If the appliance is located in a residential garage, it should be installed in compliance with the latest edition of the National Fuel Gas Code, ANSI Z223.1 and/or CAN/CGA-B149 Installation Code.

• Appliances located in residential garages and in adjacent spaces that open to the garage and are not part of the living space of a dwelling shall be installed so that all burners and burner ignition devices are located not less than 18 inches (46 cm) above the floor.

• The appliance shall be located or protected so that it is not subject to physical damage by a moving vehicle.

Vent and air piping

The Armor water heater requires a special vent system, designed for pressurized venting.

The water heater is to be used for either direct vent installation or for installation using indoor combustion air. When room air is considered, see the General Venting Section. Note prevention of combustion air contamination below when considering vent/ air termination.

Vent and air must terminate near one another and may be vented vertically through the roof or out a side wall, unless otherwise specified. You may use any of the vent/air piping methods covered in this manual. Do not attempt to install the Armor water heater using any other means.

Flooring and foundation

Flooring

The Armor water heater is approved for installation on combustible flooring, but must never be installed on carpeting.

 WARNING

If flooding is possible, elevate the water heater sufficiently to prevent water from reaching the water heater.

Do not install the water heater on carpeting even if foundation is used. Fire can result, causing severe personal injury, death, or substantial property damage.

Be sure to locate the water heater such that the vent and air piping can be routed through the building and properly terminated. The vent/air piping lengths, routing and termination method must all comply with the methods and limits given in this manual.

Prevent combustion air contamination

Install air inlet piping for the Armor water heater as described in this manual. Do not terminate vent/air in locations that can allow contamination of combustion air. Refer to Table 1A, page 11 for products and areas which may cause contaminated combustion air.

 WARNING

You must pipe combustion air to the water heater air intake. Ensure that the combustion air will not contain any of the contaminants in Table 1A, page 11. Contaminated combustion air will damage the water heater, resulting in possible severe personal injury, death or substantial property damage. Do not pipe combustion air near a swimming pool, for example. Also avoid areas subject to exhaust fumes from laundry facilities. These areas will always contain contaminants.

Installation & Operation Manual

1 Determine water heater location (continued)

When using an existing vent system to install a new water heater:

 WARNING

Check the following venting components before installing:

• Material - For materials listed for use with this appliance, see Section 3 - General Venting, Table 3A. For stainless steel venting, an adapter of the same manufacturer (Table 3B) must be used at the flue collar connection.

• Size - To ensure proper pipe size is in place, see Table 3D. Check to see that this size is used throughout the vent system.

• Manufacturer - For a stainless steel application, you must use only the listed manufacturers and their type product listed in Table 3A for CAT IV positive pressure venting with flue producing condensate.

• Supports - Non-combustible supports must be in place allowing a minimum 1/4" rise per foot. The supports should adequately prevent sagging and vertical slippage, by distributing the vent system weight. For additional information, consult the vent manufacturer’s instructions for installation.

Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death.

Table 1A Corrosive Contaminants and Sources

Products to avoid:

Spray cans containing chloro/fluorocarbons

Permanent wave solutions

Chlorinated waxes/cleaners

Chlorine-based swimming pool chemicals

Calcium chloride used for thawing

Sodium chloride used for water softening

Refrigerant leaks

Paint or varnish removers

Hydrochloric acid/muriatic acid

Cements and glues

Antistatic fabric softeners used in clothes dryers

Chlorine-type bleaches, detergents, and cleaning solvents found in household laundry rooms

Adhesives used to fasten building products and other similar products

Areas likely to have contaminants

• Terminations - Carefully review Sections 3 through 5 to ensure requirements for the location of the vent and air terminations are met and orientation of these fit the appropriate image from the Horizontal or Vertical options listed in the General Venting Section. For stainless steel vent, only use terminations listed in Table 3B for the manufacturer of the installed vent.

• Seal - With prior requirements met, the system should be tested to the procedure listed in parts (c) through (f) of the Removal of an Existing Water Heater Section on page 12.

With stainless steel vent, seal and connect all pipe and components as specified by the vent manufacturer used; with PVC/CPVC vent, see the Installing Vent or Air Piping Section on page 18.

 WARNING

If any of these conditions are not met, the existing system must be updated or replaced for that concern. Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death.

Dry cleaning/laundry areas and establishments

Swimming pools

Metal fabrication plants

Beauty shops

Refrigeration repair shops

Photo processing plants

Auto body shops

Plastic manufacturing plants

Furniture refinishing areas and establishments

New building construction

Remodeling areas

Garages with workshops

Installation & Operation Manual

1 Determine water heater location

When removing a water heater from existing common vent system:

 DANGER

 WARNING

At the time of removal of an existing water heater, the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation.

a. Seal any unused openings in the common venting system.

Do not install the Armor water heater into a common vent with any other appliance. This will cause flue gas spillage or appliance malfunction, resulting in possible severe personal injury, death, or substantial property damage.

Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death.

g. Any improper operation of the common venting system

should be corrected so the installation conforms with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or CAN/CSA B149.1, Natural Gas and Propane Installation Code. When resizing any portion of the common venting system, the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part 11 of the National Fuel Gas Code, ANSI Z223.1/NFPA and/or CAN/CSA B149.1, Natural Gas and Propane Installation Code.

b. Visually inspect the venting system for proper size and

horizontal pitch and determine there is no blockage or restriction, leakage, corrosion, or other deficiencies, which could cause an unsafe condition.

c. Test vent system – Insofar as is practical, close all building

doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building. Turn on clothes dryers and any appliance not connected to the common venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they will operate at maximum speed. Do not operate a summer exhaust fan. Close fireplace dampers.

d. Place in operation the appliance being inspected. Follow

the lighting instructions. Adjust thermostat so appliance will operate continuously.

e. Test for spillage at the draft hood relief opening after

5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar, or pipe.

f. After it has been determined that each appliance

remaining connected to the common venting system properly vents when tested as outlined herein, return doors, windows, exhaust fans, fireplace dampers, and any other gas-burning appliance to their previous conditions of use.

2 Prepare water heater

Installation & Operation Manual

Remove water heater from wood pallet

1. After removing the outer shipping carton from the water heater, remove the parts box.

2. Remove the front door to access the lag bolts in front of the unit (FIG. 2-1).

3. To remove the water heater from the pallet (after removing the front door):

a. Remove the two lag bolts from the wood pallet inside the water heater (FIG. 2-1). b. Detach the water heater from the lag bolts in the rear of the unit, see FIG. 2-1.

NOTICE

Figure 2-1 Water heater Mounted on Shipping Pallet

Do not drop the water heater or bump the jacket on the floor or pallet. Damage to the water heater can result.

Table 2A LP Conversion Table

LP Conversion Table

Model LP Orifice Stamping

151 150

200 210 / W150

286 285

400 8.0

Models 151 - 286

1. Remove the top and front access covers from the unit (no tools required for removal).

2. Remove the three screws securing the gas valve to the venturi (FIG. 2-2).

3. Locate the propane orifice disk from the conversion kit bag. Verify that the stamping on the orifice disk matches the water heater size (151 – 286) (see Table 2A above).

Place the orifice into the black rubber grommet in the side

of the gas valve and secure in the valve (FIG. 2-2).

4. Reposition the gas valve against the venturi and replace the screws (FIG. 2-2) securing the valve to the venturi.

Gas conversions

 WARNING

For a water heater already installed, you must turn off gas supply, turn off power and allow the water heater to cool before proceeding. You must also completely test the water heater after conversion to verify performance as described under Startup, Section 10 of this manual. Failure to comply could result in severe personal injury, death, or substantial property damage.

For Models 151 - 400 you must install a propane orifice to operate the Armor water heater on propane gas. Verify when installing that the orifice size marking matches water heater size (Models 151 – 400, Table 2A).

The 501 - 801 Models do not require an orifice installation for propane operation, but they will require a valve adjustment.

5. After installation is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

6. Replace the top and front access covers.

 WARNING

Figure 2-2 Installing Propane Orifice - Models 151 - 286

After converting to LP, check combustion per the Start-up procedure in Section 10 of this manual. Failure to check and verify combustion could result in severe personal injury, death, or substantial property damage.

2 Prepare water heater

Model 400

Installation & Operation Manual

Model 501

1. Remove the top and front access covers from the unit (no tools required for removal).

2. Remove the three screws securing the venturi to the blower.

Note: When separating the venturi from the blower,

take care not to damage the O-ring inside the blower (FIG. 2-3).

3. Remove the four screws securing the gas valve to the venturi (FIG. 2-3).

4. Locate the propane orifice disk from the conversion kit bag. Verify that the stamping on the orifice disk matches the water heater size (see Table 2A on page 13).

5. Remove the existing orifice from the O-ring in the side of the gas valve and replace it with the orifice from the kit. Position and secure the orifice in the valve as shown in FIG. 2-3.

6. Reposition the gas valve against the venturi and replace the screws (FIG. 2-3) securing the valve to the venturi.

7. Inspect the O-ring inside the blower. Handle the O-ring with care, do not damage. Reposition the venturi against the blower and replace the screws securing the venturi to the blower (FIG. 2-3).

8. After installation is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

9. Replace the top and front access covers.

 WARNING

 DANGER

Armor 400: Inspect the O-ring when the blower is disassembled. The O-ring must be in good condition and must be installed. Failure to comply will cause a gas leak, resulting in severe personal injury or death.

1. Remove the top access cover from the unit (no tools required for removal).

2. Turn the adjustment screw on the gas valve clockwise until it stops. Then turn the adjustment screw counterclockwise four and three quarter (4 3/4) turns (see FIG. 2-4).

3. Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw

counterclockwise incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-4).

4. After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

5. Replace the top access cover.

 WARNING

Figure 2-4 Gas Valve Adjustment - Model 501

Figure 2-3 Installing Propane Orifice - Model 400

2 Prepare water heater (continued)

Installation & Operation Manual

Models 601 - 801

1. Remove the top access cover from the unit (no tools required for removal).

2. Remove the cover on top of the gas valve (FIG. 2-5).

3. Turn the adjustment screw on top of the gas valve clockwise one and three quarter (1 3/4) turns on the 601 Model, one and a half (1 1/2) turns on the 701 Model, and one turn on the 801 Model (see FIG. 2-5).

4. Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-5).

5. After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

6. Replace the gas valve cover along with the top access cover.

 WARNING

Leveling the water heater

1. Set the water heater in place and check level. a) Adjust legs if necessary to level the water heater, see FIG. 2-6 below.

Figure 2-6 Leveling Legs on the Water Heater

Figure 2-5 Gas Valve Adjustment - Models 601 - 801

COVER

ALLEN WRENCH

ADJUSTMENT SCREW

3 General venting

Direct venting options - Sidewall Vent

Installation & Operation Manual

Figure 3-1 PVC/CPVC Two-Pipe Sidewall Termination

- See page 24 for more details

Figure 3-2 Stainless Steel Two-Pipe Sidewall Termination - See page 25 for more details

Figure 3-3 PVC/CPVC Concentric Sidewall Termination

(Models 151 - 601 Only) - See page 28 for more details

3 General venting (continued)

Direct venting options - Vertical Vent

Installation & Operation Manual

Figure 3-4 PVC/CPVC Two-Pipe Vertical Termination - See page 31 for more details

Figure 3-5 Stainless Steel TwoPipe Vertical Termination - See page 31 for more details

Figure 3-6 PVC/CPVC Concentric Vertical Termination (Models 151 601 Only) - See page 33 for more details

Direct venting options - Vertical Vent, Sidewall Air

Figure 3-7 PVC/CPVC Vertical Vent, Sidewall Air

NOTICE

Stainless steel vent/air design and terminations will vary slightly by manufacturer.

Figure 3-8 Stainless Steel Vertical Vent, Sidewall Air

3 General venting

Install vent and combustion air piping

Installation & Operation Manual

 DANGER

The Armor water heater must be vented and supplied with combustion and ventilation air as described in this section. Ensure the vent and air piping and the combustion air supply comply with these instructions regarding vent system, air system, and combustion air quality. See also Section 1 of this manual.

Inspect finished vent and air piping thoroughly to ensure all are airtight and comply with the instructions provided and with all requirements of applicable codes.

Failure to provide a properly installed vent and air system will cause severe personal injury or death.

PVC/CPVC Vent piping materials

 WARNING

NOTICE

 WARNING

NOTICE

 WARNING

Use only the materials listed in Table 3A (page 19) for vent pipe, and fittings. Failure to comply could result in severe personal injury, death, or substantial property damage.

Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 for Canadian installations.

For closet and alcove installations, CPVC or stainless steel material MUST BE used in a closet/alcove structure. Failure to follow this warning could result in fire, personal injury, or death.

All PVC vent pipes must be glued, properly supported, and the exhaust must be pitched a minimum of a 1/4 inch per foot back to the water heater (to allow drainage of condensate).

This appliance requires a special venting system. The vent connection to the appliance must be made with the starter CPVC pipe section provided with the appliance if PVC/CPVC vent is to be used. For stainless steel venting use an adapter from Table 3B (page 21) that corresponds with the intended vent manufacturer to be used and discard the CPVC starter piece. The field provided vent fittings must be cemented to the CPVC pipe section using an “All Purpose Cement” suitable for PVC and CPVC pipe. Use only the vent materials, primer, and cement specified in this manual to make the vent connections. Failure to follow this warning could result in fire, personal injury, or death.

 WARNING

Insulation should not be used on PVC or CPVC venting materials. The use of insulation will cause increased vent wall temperatures, which could result in vent pipe failure.

Requirements for installation in Canada

1. Installations must be made with a vent pipe system certified to ULC-S636.

IPEX is an approved vent manufacturer in Canada supplying vent material listed to ULC-S636.

2. The first three (3) feet of plastic vent pipe from the appliance flue outlet must be readily accessible for visual inspection.

3. The components of the certified vent system must not be interchanged with other vent systems or unlisted pipe/fittings. For concentric vent installations, the inner vent tube must be replaced with field supplied certified vent material to comply with this requirement.

4. The 3" Concentric Vent Kit available from Lochinvar (see Section 4 – Sidewall Termination – Optional Concentric Vent) and the 3" Concentric Vent Kit available from IPEX are both approved for use on the Armor water heater. Both kits are listed to the ULC-S636 standard for use in Canada.

 CAUTION

Installing vent or air piping

NOTICE

1. Work from the water heater to vent or air termination. Do not exceed the lengths given in this manual for the air or vent piping.

2. Cut pipe to the required lengths and deburr the inside and outside of the pipe ends.

3. Chamfer outside of each pipe end to ensure even cement distribution when joining.

4. Clean all pipe ends and fittings using a clean dry rag. (Moisture will retard curing and dirt or grease will prevent adhesion.)

5. Dry fit vent or air piping to ensure proper fit up before assembling any joint. The pipe should go a third to two-thirds into the fitting to ensure proper sealing after cement is applied.

Improper installation of PVC or CPVC systems may result in injury or death.

Use only cleaners, primers, and solvents that are approved for the materials which are joined together.

Installation & Operation Manual

3 General venting (continued)

6. Priming and Cementing:

a. Handle fittings and pipes carefully to prevent contamination of surfaces. b. Apply a liberal even coat of primer to the fitting socket. c. Apply a liberal even coat of primer to the pipe end to approximately 1/2" beyond the socket depth. d. Apply a second primer coat to the fitting socket. e. While primer is still wet, apply an even coat of approved cement to the pipe equal to the depth of the fitting socket.

Table 3A Vent Pipe, and Fittings

All vent pipe materials and fittings must comply with the following:

Item Material

PVC Plastic Pipe, Schedules 40, 80, & 120 ANSI/ASTM D1785

PVC Plastic Pipe Fittings, Schedule 40 ANSI/ASTM D2466

Vent pipe and

fittings

ProTech Systems (Simpson Dura-Vent Co.) FasNSeal Vent / FasNSeal Flex* Vent Z-Flex (Nova Flex Group) Z-Vent Heat Fab (Selkirk Corporation) Saf-T Vent

PVC Plastic Pipe Fittings, Schedule 80 ANSI/ASTM D2467

PVC - DWV Pipe and Fittings ANSI/ASTM D2665

CPVC Plastic Pipe, Schedule 40 & 80 ANSI/ASTM F441

CPVC Plastic Pipe Fittings, Schedule 80 ANSI/ASTM F439

AL29-4C UL1738 ULC-S636

NOTICE: DO NOT USE CELLULAR (FOAM) CORE PIPE

Approved Stainless Steel Vent Manufacturers

Make Model

*Use of FasNSeal Flex smooth inner wall vent is to be used in vertical or near vertical sections only, taking precaution to ensure no sagging occurs of the vent system. Connect to the FasNSeal rigid vent using specially designed adapters and sealing method, see manufacturer’s instructions.

PVC/CPVC Air intake/vent connections

1. Combustion Air Intake Connector (FIG.’s 3-9 thru 3-11) - Used to provide combustion air directly to the unit from

outdoors. A fitting is provided on the unit for final connection. Combustion air piping must be supported per guidelines listed in the National Mechanical Code, Section 305, Table 305.4 or as local codes dictate.

2. Vent Connector (FIG.’s 3-9 thru 3-11) - Used to provide a passageway for conveying combustion gases to the outside. A

transition fitting is provided on the unit for final connection. Vent piping must be supported per the National Building Code, Section 305, Table 305.4 or as local codes dictate.

f. While primer is still wet, apply an even coat of approved cement to the fitting socket. g. Apply a second coat of cement to the pipe. h. While the cement is still wet, insert the pipe into the fitting, if possible twist the pipe a 1/4 turn as you insert it. NOTE: If voids are present, sufficient cement was not applied and joint could be defective. i. Wipe excess cement from the joint removing ring or beads as it will needlessly soften the pipe.

Standards for installation in:

United States Canada

CPVC and PVC venting must be ULC-S636

Certified. IPEX is an approved manufacturer

in Canada supplying vent material listed to

ULC-S636.

Figure 3-9 Near Water Heater PVC/CPVC Venting Models 151 - 200

AIR

VENT

3” CPVC PIPE SUPPLIED WITH WATER HEATER MUST BE USED FOR VENT CONNECTION

NOTE: CPVC VENT PIPE AND VENT FITTINGS MUST BE USED IN CLOSET AND ALCOVE INSTALLATIONS.

Figure 3-10 Near Water Heater PVC/CPVC Venting Models 286 - 601

AIR

VENT

4" CPVC PIPE SUPPLIED WITH WATER HEATER MUST BE USED FOR VENT CONNECTION

NOTE: CPVC VENT PIPE AND VENT FITTINGS MUST BE USED IN CLOSET AND ALCOVE INSTALLATIONS.

3 General venting

Figure 3-11 Near Water Heater PVC/CPVC Venting Models 701 - 801

6” COUPLING

(FIELD SUPPLIED)

6” CPVC

STARTER

PIECE

(FACTORY SUPPLIED)

Air inlet pipe materials:

The air inlet pipe(s) must be sealed. Choose acceptable combustion air inlet pipe materials from the following list:

PVC, CPVC or ABS Dryer Vent or Sealed Flexible Duct (not recommended for rooftop air inlet) Galvanized steel vent pipe with joints and seams sealed as specified in this section. Type “B” double-wall vent with joints and seams sealed as specified in this section. AL29-4C, stainless steel material to be sealed to specification of its manufacturer.

*Plastic pipe may require an adapter (not provided) to transition between the air inlet connection on the appliance and the plastic air inlet pipe.

 WARNING

NOTICE

Sealing of Type “B” double-wall vent material or galvanized vent pipe material used for air inlet piping on a sidewall or vertical rooftop Combustion Air Supply System:

a. Seal all joints and seams of the air inlet pipe using either Aluminum Foil Duct Tape meeting UL Standard 723 or 181A-P or a high quality UL Listed silicone sealant such as those manufactured by Dow Corning or General Electric.

b. Do not install seams of vent pipe on the bottom of horizontal runs.

VENT

AIR

THE 6” STAINLESS STEEL ADAPTER SUPPLIED WITH THE BOILER MUST BE USED FOR VENT CONNECTION TO PVC/CPVC. THE 6” CPVC STARTER PIECE MUST BE USED FOR PVC ONLY.

Using vent or air intake materials other than those specified, failure to properly seal all seams and joints or failure to follow vent pipe manufacturer’s instructions can result in personal injury, death or property damage. Mixing of venting materials will void the warranty and certification of the appliance.

The use of double-wall vent or insulated material for the combustion air inlet pipe is recommended in cold climates to prevent the condensation of airborne moisture in the incoming combustion air.

Installation & Operation Manual

c. Secure all joints with a minimum of three sheet metal screws or pop rivets. Apply Aluminum Foil Duct Tape or silicone sealant to all screws or rivets installed in the vent pipe.

d. Ensure that the air inlet pipes are properly supported.

The PVC, CPVC, or ABS air inlet pipe should be cleaned and sealed with the pipe manufacturer’s recommended solvents and standard commercial pipe cement for the material used. The PVC, CPVC, ABS, Dryer Vent or Flex Duct air inlet pipe should use a silicone sealant to ensure a proper seal at the appliance connection and the air inlet cap connection. Dryer vent or flex duct should use a screw type clamp to seal the vent to the appliance air inlet and the air inlet cap. Proper sealing of the air inlet pipe ensures that combustion air will be free of contaminants and supplied in proper volume.

When a sidewall or vertical rooftop combustion air supply system is disconnected for any reason, the air inlet pipe must be resealed to ensure that combustion air will be free of contaminants and supplied in proper volume.

 DANGER

Stainless steel vent

This product has been approved for use with stainless steel using the manufacturers listed in Table 3A.

 WARNING

NOTICE

Failure to properly seal all joints and seams as required in the air inlet piping may result in flue gas recirculation, spillage of flue products and carbon monoxide emissions causing severe personal injury or death.

Use only the materials, vent systems, and terminations listed in Table 3B. DO NOT mix vent systems of different types or manufacturers, unless listed in this manual. Failure to comply could result in severe personal injury, death, or substantial property damage.

Installations must comply with applicable national, state, and local codes. Stainless steel vent systems must be listed as a UL-1738 approved system for the United States and a ULC-S636 approved system for Canada.

Installation of a stainless steel vent system should adhere to the stainless steel vent manufacturer’s installation instructions supplied with the vent system.

The installer must use a specific vent starter adapter at the flue collar connection, supplied by the vent manufacturer to adapt to its vent system. See Table 3B for approved vent adapters. Discard CPVC starter piece.

Installation & Operation Manual

3 General venting (continued)

Table 3B Approved Stainless Steel Terminations and Adapters

ProTech Heat Fab Z Flex

FasNSeal Saf-T Vent Z-Vent

Model

**Adapter

151 - 200

286-601

701-801

300715

F303759 F303759

(Intake

Only)

* = This adapter must be used in addition to the water heater adapter for Saf-T vent pipe as shown in FIG. 3-12, unless approved vent other than standard diameter is used. Consult a Heat Fab representative for questions. **The stainless steel venting option is only available in 3" vent diameters.

Flue

Termination

FSBS3

FSRC3(R.C)

FSBS4

FSRC4(R.C)

FSBS6

Intake

Air

**Adapter

Termination

303889 KB80210 9353BUREZ-1*

FSAIH04

303888

FSAIH04

303888

KB285600 9454BUREZ-1*

Intermediate

Adapter

Flue

Termination

9392

5300CI

9492

5400CI

Intake

Air

**Adapter

Termination

9314TERM 2SVSLA03

9414TERM 2SVSLA04

Flue

Termination

2SVSTP03

2SVSRCX03

2SVSTP04

2SVSRCX04

Intake Air

Termination

2SVSTEX0390

2SVSTEX0490

Table 3C Stainless Steel Vent Termination Kit(s)

Model Kit Number

701 - 801 KIT3137

Stainless steel air intake/vent connections

1. Combustion Air Intake Connector (FIG.’s 3-12 thru

3-14) - Used to provide combustion air directly to the unit from outdoors. A fitting is provided on the unit for final connection. Combustion air piping must be supported per guidelines listed in the National Mechanical Code, Section 305, Table 305.4 or as local codes dictate.

2. Vent Connector (FIG.’s 3-12 thru 3-14) - Used to

provide a passageway for conveying combustion gases to the outside. A transition fitting is provided on the unit for final connection. Vent piping must be supported per the National Building Code, Section 305, Table 305.4 or as local codes dictate.

Figure 3-12 Near Water Heater Stainless Steel Venting Models 151 - 200

VENT

3" S.S. ADAPTER

3" S.S. INTERMEDIATE (FOR SAF-T VENT ONLY)

(

)

3 General venting

Figure 3-13 Near Water Heater Stainless Steel Venting Models 286 - 601

VENT

Installation & Operation Manual

Minimum / Maximum allowable combustion air and vent piping lengths are as follows:

Combustion Air = 12 equivalent feet minimum / 100 equivalent feet maximum

Vent = 12 equivalent feet minimum / 100 equivalent feet maximum

When determining equivalent combustion air and vent length, add 5 feet for each 90° elbow and 3 feet for each 45° elbow.

EXAMPLE: 20 feet of PVC pipe + (4) 90° elbows + (2) 45° elbows + (1) concentric vent kit (CVK3003) = 49 equivalent feet of piping.

4" S.S. ADAPTER

4" S.S. INTERMEDIATE

FOR SAF-T VENT ONLY

Figure 3-14 Near Water Heater Stainless Steel Venting Models 701 - 801

NOTICE

Table 3E Concentric Vent Kit Equivalent Vent Lengths

Model Kit Number

151 - 200 CVK3003 3 feet

286 CVK3007 3 feet 400 CVK3007 5 feet

501 - 601 CVK3007 30 feet

The appliance output rating will reduce by up to 1.5% for each 25 feet of vent length.

Equivalent Vent

Length

Removing from existing vent

Follow the instructions in Section 1, page 12 of this manual when removing a water heater from an existing vent system.

Vent and air piping

Vent and air system:

NOTICE

Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1 for U.S. installations or CSA B149.1 for Canadian installations.

You must also install air piping from outside to the water heater

The Armor water heater uses model specific combustion air intake and vent piping sizes as detailed in Table 3D below.

Table 3D Air Intake/Vent Piping Sizes

Model Air Intake Vent

151 - 200 3 inches 3 inches 286 - 601 4 inches 4 inches 701 - 801 4 inches 6 inches

NOTICE

Increasing or decreasing combustion air or vent piping is not authorized.

air intake adapter. The resultant installation is direct vent (sealed combustion).

You may use any of the vent/air piping methods covered in this manual. Do not attempt to install the Armor water heater using any other means.

 WARNING

DO NOT mix components from different systems. The vent system could fail, causing leakage of flue products into the living space. Use only approved stainless steel, PVC or CPVC pipe and fittings. For PVC/CPVC use with primer and cement specifically designed for the material used.

3 General venting (continued)

Installation & Operation Manual

Vent, air piping and termination:

The Armor water heater vent and air piping can be installed through the roof or through a sidewall. Follow the procedures in this manual for the method chosen. Refer to the information in this manual to determine acceptable vent and air piping length.

Optional room air

NOTICE

Commercial applications utilizing the Armor water heater may be installed with a single pipe carrying the flue products to the outside while using combustion air from the equipment room. In order to use the room air venting option the following conditions and considerations must be followed.

• The unit MUST be installed with the appropriate

room air kit (Table 3F).

• The equipment room MUST be provided with

properly sized openings to assure adequate combustion air. Refer to the instructions provided with the room air kit.

• There will be a noticeable increase in the noise level

during normal operation from the inlet air opening.

• Using the room air kit makes the unit vulnerable to

combustion air contamination from within the building. Please review Section 1, Prevent Combustion Air Contamination, to ensure proper installation.

• Vent system and terminations must comply with the

standard venting instructions set forth in this manual.

 WARNING

Optional room air is intended for commercial applications. Combustion air piping to the outside is recommended for residential applications.

When utilizing the single pipe method, provisions for combustion and ventilation air must be in accordance with Air for Combustion and Ventilation, of the latest edition of the National Fuel Gas Code, ANSI Z223.1, in Canada, the latest edition of CGA Standard B149 Installation Code for Gas Burning Appliances and Equipment, or applicable provisions of the local building codes.

Table 3F Optional Room Air Kit

Model Kit Number Description

151 - 200 KIT30052 Room Air Kit 286 - 801 KIT30053 Room Air Kit 400 - 801 KIT30054 Room Air Filter Kit

Air contamination

Pool and laundry products and common household and hobby products often contain fluorine or chlorine compounds. When these chemicals pass through the water heater, they can form strong acids. The acid can eat through the water heater wall, causing serious damage and presenting a possible threat of flue gas spillage or appliance water leakage into the building.

Please read the information given in Table 1A, page 11, listing contaminants and areas likely to contain them. If contaminating chemicals will be present near the location of the water heater combustion air inlet, have your installer pipe the water heater combustion air and vent to another location, per this manual.

 WARNING

If the water heater combustion air inlet is located in a laundry room or pool facility, for example, these areas will always contain hazardous contaminants.

To prevent the potential of severe personal injury or death, check for areas and products listed in Table 1A, page 11 before installing the water heater or air inlet piping.

If contaminants are found, you MUST:

• Remove contaminants permanently. —OR—

• Relocate air inlet and vent terminations to other areas.

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