Manual do usuário State Industries SANDBLASTER SBD85 500

Manual para o dispositivo State Industries SANDBLASTER SBD85 500

Dispositivo: State Industries SANDBLASTER SBD85 500
Categoria: Aquecedor de água
Fabricante: State Industries
Tamanho: 4.48 MB
Data de adição: 5/11/2013
Número de páginas: 56
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State Industries SANDBLASTER SBD85 500 Manual de instruções - Online PDF
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Resumos

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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

SERVICE HANDBOOK
®
SandBlaster
Self Cleaning Commercial Gas Water Heaters
with Flue Damper and Electronic Ignition
MODELS COVERED
SBD71 120 Through SBD85 500
Part Number 317926-000
COMMERCIAL
The Expert’s Choice®
Printed in the U.S.A. - 0810

Resumo do conteúdo contido na página número 2

SBD TANK TYPE HEATERS SERVICE HANDBOOK SBD HANDBOOK TABLE OF CONTENTS PAGE PAGE Troubleshooting (continued) Introduction 1-2 Troubleshooting the Efflkal 28-30 Wire Harness Test 31 Installation 3 IID Module 32 Clearances 4 Pilot Spark 33 Air Requirements 5-8 Pilot Valve 34-35 Contaminated Air 9 Main Burner Test 36 Flammable 9 Flame Rectification 37 Gas Pressure 10 IID Module 38 Gas Valve 11 Main Gas

Resumo do conteúdo contido na página número 3

SBD TANK TYPE HEATERS SERVICE HANDBOOK Qualifications: Installation or service of this water heater requires ability equivalent to that of a licensed tradesman in the field involved. Plumbing, air supply, venting, gas supply and electrical testing skills are required. Tools Required: • Phillips head screwdriver • standard screwdrivers • a 3/8 and 7/16 inch open end wrench • set of marked drill bits • an electrical multimeter tester capable of measuring continuity • gas pressure gauge

Resumo do conteúdo contido na página número 4

SBD TANK TYPE HEATERS SERVICE HANDBOOK INSTALLATION This portion of the handbook will review some often overlooked installation considerations, taking note of necessary installation requirements for the SBD 71120 through SBD 85500 model heaters. The installation manual covers most of these items in detail. CLEARANCES FROM COMBUSTIBLES Clearance to Combustibles Table MODEL A B C 120 - 200 1” (2.54CM) 1” (2.54CM) 1” (2.54CM) 250 - 305 2” (5.08CM) 2” (5.08CM) 2” (5.08CM) 365 - 400 3” (7.75C

Resumo do conteúdo contido na página número 5

SBD TANK TYPE HEATERS SERVICE HANDBOOK EXTERIOR CLEARANCE "Copyright by the American Gas Association. Used by permission of the copyright holder". This illustrates the exterior roof clearances for SBD units with natural draft venting. The vent shall extend at least 3 feet above the highest point where it passes through a roof of a building, and at least 2 feet higher than any portion of a building within a horizontal distance of 10 feet (for vents of 12" in diameter or less). (NFPA 54 ANSI

Resumo do conteúdo contido na página número 6

SBD TANK TYPE HEATERS SERVICE HANDBOOK AIR FOR COMBUSTION 10 CUBIC FEET OF AIR PER 1,000 BTU 10 CU. FT. COMB. AIR (Minimum) 1,000 + BTU 2.5 CU. FT. EXCESS AIR Stoichiometric or theoretical complete combustion requires 10 cubic feet of air per 1000 BTUH input of the gas input. The National Fuel Gas Code also recommends an additional 2.5 cu.ft. of "excess" air. This 12.5 cu.ft minimum supply air per 1000 BTUH input applies to natural and propane gas models. The National Fuel Gas Code also s

Resumo do conteúdo contido na página número 7

SBD TANK TYPE HEATERS SERVICE HANDBOOK MAKE-UP AIR DIRECT COMMUNICATION 1 Square Inch Per 4,000 BTUH A fresh supply of make-up air for combustion can be supplied to the heater through make- up air ducts which directly communicate with the out of doors. Two openings are required - one within 12 inches of the top of the enclosure and one within twelve inches of the bottom of the enclosure. Each opening shall have a free area of not less than 1 square inch per 4000 BTUH of the total input of

Resumo do conteúdo contido na página número 8

SBD TANK TYPE HEATERS SERVICE HANDBOOK MAKE-UP AIR VERTICAL DUCTS 1 Square Inch Per 4,000 BTUH Often it is more practical to install vertical make-up air ducts to the out doors. Again, two openings are required - one within 12 inches of the top of the enclosure and one within twelve inches of the bottom of the enclosure. Each opening shall have a free area of not less than 1 square inch per 4000 BTUH of the total input of all appliances within the enclosure. MAKE-UP AIR HORIZONTAL DUCT

Resumo do conteúdo contido na página número 9

SBD TANK TYPE HEATERS SERVICE HANDBOOK INSUFFICIENT MAKE-UP AIR BACKDRAFT Insufficient make-up air is a major cause of combustion problems. One common example is in a restaurant installation where exhaust vent equipment was not considered in sizing make-up air requirements. This may result in air being backdrafted by the restaurant exhaust equipment through the heater causing flue gas spillage, flame roll out, improper combustion, inconsistent pilot operation, and/or erratic heater shut d

Resumo do conteúdo contido na página número 10

SBD TANK TYPE HEATERS SERVICE HANDBOOK CONTAMINATED AIR Along with adequate make-up air, the quality of the air is important. Contaminants in combustion air can lead to premature heater failure. Vapors from bleaches, soaps, waxes, salts, etc. are drawn into the combustion chamber with the make-up air and, once fired, mix with water vapor in the gases to form extremely corrosive hydrochloric or hydrofluoric acid and other corrosive byproducts. AIR FOR COMBUSTION Flammable Items Flammable

Resumo do conteúdo contido na página número 11

SBD TANK TYPE HEATERS SERVICE HANDBOOK GAS PRESSURE REQUIREMENTS Supply Gas Manifold Pressure Tap Dirt Leg Manifold Gas Port Natural Gas Propane Gas Maximum Supply Pressure 10.5" W.C. 13.8" W.C. Minimum Supply Pressure 5.0" W.C. 11" W.C. Manifold Pressure 4.0 " W.C. 10" W.C. The supply gas pressure is normally measured at the dirt leg or at the gas pressure tapping on the gas supply shutoff valve. This reading must be measured with 'flowing' gas. The manifold gas pressure is measured

Resumo do conteúdo contido na página número 12

SBD TANK TYPE HEATERS SERVICE HANDBOOK SBD GAS VALVE The gas valves used on all SBD water heaters are 24 volt AC combination step opening gas valves. They incorporate the pilot valve, main valve, and gas pressure regulators into one body. The inlet view of the valve features a filter screen and the top knob. The top knob is a manual on/off gas control for both the pilot and main gas valves. When the top knob is placed on the black mark, gas is supplied only to the pilot valve. On the

Resumo do conteúdo contido na página número 13

SBD TANK TYPE HEATERS SERVICE HANDBOOK VENTING Atmospheric, Single, and Multiple Heaters All SBD water heaters are classified by ANSI as category I (non-condensing, negative pressure venting) appliances. They are approved for type B vent. For larger applications, SBD water heaters can be common vented together either in a tapered manifold or constant size manifold. (Follow National Fuel Gas Code requirements for sizing and installation.) Combined Vents When vents are combined, the area

Resumo do conteúdo contido na página número 14

SBD TANK TYPE HEATERS SERVICE HANDBOOK Nine Rules for Good Vents (continued) 2. The diameter of a vent pipe should NEVER be reduced, no matter what the circumstances. 3. In some cases it may be necessary to run a vent larger than the draft diverter outlet. 4. Take the maximum vertical rise possible immediately above the draft diverter. 5. Technical Training Department 13 Ashland City, TN ©2003

Resumo do conteúdo contido na página número 15

SBD TANK TYPE HEATERS SERVICE HANDBOOK Nine Rules for Good Vents (continued) 6. Horizontal pipe should be sloped upward at a minimum of ¼” per foot. 7. Horizontal elements should be limited to 75% of the vertical rise of the vent above the connection. 8. Flue gases must be kept hot for proper venting. The vent pipe should be extended to meet local codes 9. Obstructions can cause down drafts. Technical Training Department

Resumo do conteúdo contido na página número 16

SBD TANK TYPE HEATERS SERVICE HANDBOOK POWER VENT KITS FOR SIDEWALL VENTING Female plug to Damper 40’, Power Venter cable with “Y” connect Male plug to Cable SBD water heaters can be used with power vent kits for sidewall venting. State offers power vent kits for use on installations with a maximum of 100 equivalent feet of vent piping. The power vent kits also use type B vent materials. When power venting, specific exterior clearances must be maintained, as outlined in the Na

Resumo do conteúdo contido na página número 17

SBD TANK TYPE HEATERS SERVICE HANDBOOK SBD SEQUENCE OF OPERATION 9. Flue damper closes 2. Flue damper opens 1. Thermostat calls for heat 7. Thermostat satisfies 4. Pilot gas opens, Pilot sparks and flame proves 3. Intermittent Ignition Control 6. Main burner ignites 5. Main gas valve opens 8. Main and pilot burners "OFF" SEQUENCE OF OPERATION To understand SBD tank type water heaters, an examination of their sequence of operation is necessary. When the thermostat calls for heat,

Resumo do conteúdo contido na página número 18

SBD TANK TYPE HEATERS SERVICE HANDBOOK SBD ELECTRICAL SEQUENCE 100 – 109 Series Technical Training Department 17 Ashland City, TN ©2003

Resumo do conteúdo contido na página número 19

SBD TANK TYPE HEATERS SERVICE HANDBOOK SBD ELECTRICAL SEQUENCE OF OPERATION 115/60/12A Technical Training Department 18 Ashland City, TN ©2003

Resumo do conteúdo contido na página número 20

SBD TANK TYPE HEATERS SERVICE HANDBOOK TROUBLESHOOTING SBD WATER HEATERS To troubleshoot a SBD water heater check that: • 120 VAC is supplied to the heater • the tank is full of water • gas is supplied to the unit STEP 1 TEST THE TRANSFORMER STEP 1 - TO TEST THE TRANSFORMER - Using a multimeter, test for 24 VAC between the secondary transformer terminals. IF THEN The meter does not read 24 VAC: • Check that the 120 VAC is supplied from the On/Off Switch – if not, replace switch. •


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