Hobart IB140 Installation Manual

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INFRARED BOOSTER . . . Gas Water Heaters

INFRARED BOOSTER

MODEL

IB57 ML-110898 IB140 ML-110899 IB235 ML-110861 IB290 ML-110862

701 S. RIDGE AVENUE

TROY, OHIO 45374-0001

937 332-3000

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www.hobartcorp.com

FORM 34070 Rev. C (10-99)

IMPORTANT FOR YOUR SAFETY

WARNING: IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

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

• Immediately call your gas supplier from a neighbor's 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.

Installer: Affix these Customer: Save these

Instructions

adjacent to the appliance.

for future reference.

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IMPORTANT FOR YOUR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Delivery Rates at 180°F. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Clearance Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Combustion / Ventilation Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Venting Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Acceptable Vent Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Gas Pressure Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Water Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Plumbing Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Electrical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Start Up Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Filling the Booster Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Checking the Circulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Lighting the Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

What To Do If You Smell Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Hot Surface Ignition Using the Robertshaw Gas Valve. . . . . . . . . . . . . . . . . . 15

To Turn Off Gas To Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Vent System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Check Burner Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

List of Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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Installation, Operation, and Care of

INFRARED BOOSTER GAS WATER HEATERS

SAVE THESE INSTRUCTIONS

GENERAL

The Infrared Booster Gas Water Heaters (available for natural gas or propane) provide 180°F rinse water for commercial dishwashing machines. Health codes and NSF permit 180°F (minimum temperature) water to be used as a sanitizing rinse for utensils and dishware used in restaurants and food-serving operations. Water enters the gas booster water heater at the inlet water connection, circulates through the gas heat exchanger and stainless steel tank, and constantly maintains the 180°F minimum water temperature at the outlet connection. The table,

Delivery Rates @ 180°F

amount of hot water that can be delivered by the various Booster Heater models, depending on the incoming water temperature.

, indicates the maximum

Rinse water volume requirements for various commercial dishwasher models and operating rates are available from your authorized Hobart dealer.

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NOTE: For altitudes above 5000 feet, contact Hobart Product Service, phone (937) 332-2525,

Warewash Technical Support.

– 4 –

INSTALLATION

UNPACKING

Immediately after unpacking, check for possible shipping damage. If the Booster Heater is found to be damaged after unpacking, save the packaging material and contact the carrier within 15 days of delivery.

Prior to installation, test the electrical service to assure that it agrees with the specifications on the data plate located on the left-front panel of the booster heater. Be sure that the type of gas supplied to the machine (natural gas or propane) is the same as indicated on the data plate.

INSTALLATION CODES

Installation must be in accordance with state and local codes, or in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1 (latest edition) and the National Electrical Code, ANSI/NFPA 70 (latest edition). In Canada, the installation standards are: CAN/CGA B149.1, CAN/CGA B149.2, and CSA C22.2 No.1 (latest editions).

LOCATION

Locate the IB Series Booster Water Heater so that the required clearance dimensions are maintained. Keep the appliance area clear and free from combustible materials, gasoline and other flammable

vapors and liquids. The booster heater should not be located in an area where water leakage will result in damage to the area adjacent to it or to lower floors of the structure. Where such areas cannot be avoided, install a suitable catch pan, adequately drained, under the heater. The pan must not restrict combustion air flow. Do not install heater directly on carpeting.

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LEVELING

Four legs are welded to the bottom corners of the frame to provide the required six-inch floor clearance. Adjustable feet at the bottom of the four legs should be rotated in or out as required to level the booster heater front-to-back and side-to-side in its final location.

COMBUSTION / VENTILATION AIR CAUTION:

Combustion air must not be contaminated by corrosive chemical fumes which can

damage the heater.

An adequate supply of air for proper combustion and ventilation must be provided in accordance with the National Fuel Gas Code, ANSI Z223.1, or applicable building codes. Do not obstruct the flow of combustion and ventilation air to the heater.

– 5 –

VENTING REQUIREMENTS WARNING: PROVIDE A SCREEN OR BARRIER TO PREVENT PERSONAL INJURY IN AREAS

WHERE INADVERTENT PERSONNEL CONTACT WITH THE HOT VENT PIPE CAN OCCUR. Models IB57 and IB140 are Category IV (positive flue

Models IB235 & IB290 Only

pressure, excessive condensate, and flue gas temperature at the heater outlet approximately 330°F). Models IB235 and IB290 are Category III (positive flue pressure, not excessive condensate, and flue gas

Water Out

temperature at the heater outlet approximately 530°F). The vent outlet on the booster heater is 3 inches in diameter. Models IB57 and IB140 require 3 inch minimum vent pipe throughout. Models IB235 and IB290 require 4 inch minimum vent pipe; the 3 inch adjustable vent pipe elbow and the 3 inch to 4

3 to 4 Inch Adapter

3 Inch Elbow

Vent

Gas

Water In

inch vent pipe adapter (provided on IB235 and IB290) are to be installed at the vent outlet of the booster

heater (Fig. 1). On all models,

/4 inch per foot minimum

incline must be maintained.

Temperature and Pressure Relief Valve

Fig. 1

PL-53440

Vent piping must be one of the types mentioned in this manual and must be properly installed according to the vent pipe manufacturer's instructions. Each vent joint must be properly sealed and secured so it stays in place.

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Per the National Fuel Gas Code, ANSI Z223.1, the heater must be vented in one of three ways:

1. Into the exhaust system (Fig. 2). The vent pipe must not penetrate the filter. When the heater is vented into the exhaust system, an electrical interlock must be provided (by others) to allow the flow of gas to the booster heater burner ONLY when the exhaust system is functioning. Refer to APS1 and APS2 on the wiring diagram in the control box accessed by removing the left side panel (also refer to pages 12 and 13).

2. Through the sidewall, or the ceiling (Fig. 3). Type B-1 vent pipe (4 inch minimum diameter for IB57 and IB140, 5 inch minimum diameter for IB235 and IB290) may be used when venting vertically, provided a one inch minimum clearance to combustible construction is maintained and the termination above the roof uses a listed wind cap.

3. Freely vented into the room or space where it is installed (Fig. 4), provided that: a. A mechanical exhaust system is present in the kitchen, b. The flue outlet of the booster water heater is at least 36 inches vertically and 6 inches

horizontally distant from any surface other than the booster / or dishwasher, and

c. Any or all gas fired equipment is installed so the total BTU input rating of the unvented gas

appliance(s) divided by the total cubic feet of the room area (including any areas adjacent that cannot be closed off) does not exceed 20 BTU per hour per cubic foot.

– 6 –

+ 14 hidden pages

Hobart IB140 Installation Manual

IMPORTANT FOR YOUR SAFETY

TABLE OF CONTENTS

GENERAL

INSTALLATION