Manual de instrucciones de AquaStar 125FX LP

Manual de instrucciones del aparato AquaStar 125FX LP

Aparato: AquaStar 125FX LP
Categoría: Calentador de agua
Fabricante: AquaStar
Tamaño: 0.86 MB
Fecha de añadido: 7/15/2014
Número de páginas: 24
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

INSTALLATION AND OPERATING INSTRUCTIONS FOR AUTOMATIC
INSTANTANEOUS TYPE WATER HEATER FOR USE WITH NATURAL AND
LIQUEFIED PETROLEUM GAS
MODEL 125FX LP and 125FX NG
(Flow Modulated with Electronic Ignition and Power Venting)
Suitable for heating potable water only
Not approved for space heating purposes
Intended for variable flow applications with steady cold water inlet temperatures
WARNING
If the information in this manual is not followed exactly. A
fire or explosion may result causing property

Resumen del contenido incluido en la página 2

Principle of Operation: AquaStar 125FX LP and 125FX NG Specifications When a hot water faucet is opened, the flow of water through AQ125FXNG AQ125FXLPG the heater causes the gas valve to open. At the same time max. 130 000 Btu/hr 125 000 Btu/hr a microswitch is activated which sends a spark to the pilot. Gas input The flame sensor confirms that the pilot has been lighted 28 000 Btu/hr 28 000 Btu/hr min. and allows the first two burners to ignite. The flame sensor confirms correct activation and

Resumen del contenido incluido en la página 3

FRONT VIEW SIDE VIEW MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NON COMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET INSTALLATIONS MODEL 125FX TOP (A) 12" FRONT (B) 4 " BACK 0 " * SIDES 4 " FLOOR (C) 12" VENT DIAMETER 4 " * On a combustible wall surface the unit should be mounted away from the wall to provide adequate clearance of the vent pipe. See page 5 for instructions. AQUASTAR MODEL 125FX 6 720 606 601 3

Resumen del contenido incluido en la página 4

The heater may still operate even when improperly vented. GENERAL RULES TO FOLLOW It will, however, be less efficient and could eventually damage FOR SAFE OPERATION the heater. It could even result in human sickness or death due to oxygen deprivation and carbon monoxide poisoning. 1. You should follow these instructions when you install your Before installing the unit, be certain you have the correct heater. In the United States: The installation must conform heater for your type of Gas – Propan

Resumen del contenido incluido en la página 5

Appliances located in confined spaces: The confined space COMBUSTION AIR REQUIREMENTS must be provided with two permanent openings, one The AquaStar water heater holds cold water in its copper commencing within 12 inches of the top and one heat exchanger and brass water valve when not in use. commencing within 12 inches of the bottom of the enclosure. Because of this, any cold air that comes in through the Each opening must have a minimum free area of one square unit’s vent pipe is capable of fr

Resumen del contenido incluido en la página 6

The incandescent particle tray (shipped loose in the carton MOUNTING INSTALLATION with the water heater) must be attached at the bottom of the water heater front cover at the time of installation. Use The Aquastar 125FX is design certified for mounting on a the screws provided. See figure 3. wall. Secure the two L shaped hooks, which are provided with heater, to a wall surface. Place them 13 ¼” apart as shown in Fig 2. Do not install this appliance on a carpeted wall or over floor covering whic

Resumen del contenido incluido en la página 7

from the total vent length for each additional 90-degree elbow used. No more than four 90-degree elbows may be VENTING used. Any short vertical portion of vent pipe used in the vent system shall be considered part of the allowable 15 feet (4.6 m) maximum run. Support the vent run at 4 foot WARNING: Do not reduce the vent pipe size and intervals with overhead hangers. Horizontal sections of vent do not common vent with any other vented appliance or must rise ¼” for every foot of horizontal length

Resumen del contenido incluido en la página 8

4”single wall venting only. Use stainless steel (AL29-4C) or galvanized pipe of 26 minimum gauge must be used. Each connection must be properly sealed. Approved Vent Terminal (FXHOOD or other approved terminal) The FXHOOD is design approved with the Aquastar 125FX and has a built in back draft flapper to prevent negative air from freezing the Aquastar – see Fig. 5 for restrictions in location of vent terminal. HORIZONTAL SIDE WALL * Maximum 15 feet with 2 elbows. Deduct 5 feet for each addition

Resumen del contenido incluido en la página 9

SOFFIT 7’ MINIMUM ABOVE PUBLIC WALKWAY The approved vent terminal must be installed so that flue gases will not jeopardize people, overheat combustible structures or enter into buildings, and so that proper clearances are maintained (See Fig 5). a) The vent terminal shall not be less than 7 feet above a public walkway. b) The vent terminal shall terminate at least 3 feet above any (mechanical) air inlet within 10 feet. c) The vent terminal shall not be within a 6-foot radius from a gas meter or

Resumen del contenido incluido en la página 10

GAS LINE SIZING -It is strongly recommended that the Natural Gas pipe GAS CONNECTIONS be Black Iron pipe the entire distance from the outside meter to the inlet of the Aquastar regulator. 1/2” Black Iron pipe up to 10 feet, 3/4” Black Iron pipe up to 40 feet and 1” Black Iron pipe up to 125 feet distances. Flex line NOTE: The AquaStar 125FX is supplied with a gas tubing is NOT recommended, but if used then oversize pressure regulator that must be installed on the heater it. before attaching the

Resumen del contenido incluido en la página 11

GAS PIPING, CONNECTIONS Before connecting the gas supply, check the rating plate on the right side of the front cover to be sure that the heater is rated for the same gas to which it will be connected. In the United States: The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas Code ANSI Z223.1/NFPA 54. In Canada: The Installation should conform with CGA B149 INSTALLATION CODES and /or local installation codes. GAS LINE SIZING FOR NATURAL GAS Foll

Resumen del contenido incluido en la página 12

Connecting the pressure relief valve (PRV) WATER CONNECTIONS The listed pressure relief valve supplied with the heater must be installed at the time of installation. Should a discharge line be added to the PRV no valve is to be placed between the PRV and the heater. No reducing coupling or other Install the heater centrally in the building if possible and restriction may be installed in the discharge line. The make hot water piping runs as short as possible When facing discharge line must be ins

Resumen del contenido incluido en la página 13

ELECTRICAL CONNECTIONS WARNING: For safety reasons, disconnect the power supply to the heater before any service or testing is performed. WARNING: This heater must be electrically grounded in accordance with the most recent edition of the National Electrical Code, NFPA 70. In Canada, all electrical wiring to the heater should be in accordance with local codes and the Canadian Electrical Code, CSA C22.1 Part 1. Do not rely on the gas or water piping to ground the metal parts of the heater.

Resumen del contenido incluido en la página 14

OPERATING INSTRUCTIONS 6. Turn the hot water faucet on to the minimum flow required to activate the heater. The automatic ignition system first Before operating the heater, make sure that the system is ignites the safety pilot burner which then ignites the main filled with water. burner in about 4 seconds. The power exhaust will then activate. Open the cold water inlet supply to the heater fully. 7. The pilot flame will extinguish 10-30 seconds after the Open a hot water faucet to permit the wat

Resumen del contenido incluido en la página 15

140° and 95°F at various flow rates between 2.0 and 4.0 Water Valve (Part # 8707002802): The water valve on gallons per minute. The position you select on the this heater should be serviced periodically. Lubricate temperature selector dial will depend on the temperature of component #36 on page 20 with a small amount of silicon, the incoming water (50°F is average in the U.S.). In warm faucet or lithium grease every two years to keep its o rings weather regions where the incoming cold water is

Resumen del contenido incluido en la página 16

3. Water flow is not sufficient to activate heater. Water flow rate at faucet is below minimum flow needed to activate heater. When temperature adjustment knob is turned all the way clockwise, the AquaStar model 125FX requires 1/2 gallon per minute flow to activate the heater. As a reference, this is a flow which would fill a quart jar in 30 seconds. If the temperature adjustment knob is turned fully counterclockwise, a flow rate of 1.1 gallons/minute is required to activate the heater. 4. Bad f

Resumen del contenido incluido en la página 17

PILOT SPARKS CONTINUOUSLY WITH NO WATER Mineral deposits can eventually (3-5 years in hard water RUNNING areas) corrode the water valve parts to a point where they will need replacing. Any sign of moisture at the bleed hole 1. Microswitch needs adjustment is a sign that the water valve needs to be replaced If no water is running, but pilot electrode continuously sparks, immediately. the microswitch screw to the water valve needs adjustment. See Figure 14. 10. Poor circuit connections at the ECO

Resumen del contenido incluido en la página 18

WATER IS TOO HOT HOT WATER TEMPERATURE FLUCTUATES / UNIT DEACTIVATED 1. Temperature Selection too high 1. Unbalanced pressure in waterlines Turn the temperature adjustment knob counter-clockwise The added restriction caused by the Aquastar in the hot (to the left) to lower the maximum water temperature. water system can result in uneven pressures between the Note: This will increase the activation flow rate. cold and the hot. In such cases when mixing cold water at the tap, the lower hot water p

Resumen del contenido incluido en la página 19

Fig. 15 - Diagram of AquaStar 125FX 13 1 3 2 4 5 6 9 10 7 8 11 14 12 6 720 606 601-12.1AL 1. Heat exchanger 7. electric control box 2. Pilot assembly 8. Power cord 3. Burner manifold gas 9. on/off switch pressure test nipple 10. Temperature adjustment selector 4. Main gas burner 11. Microswitch 5. Pilot gas tubing 12. Gas inlet gas pressure test nipple 6. Gas valve 13. Exhaust Fan 14. Flexible hot outlet 6 720 606 601 19

Resumen del contenido incluido en la página 20

Fig. 16 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST 20 6 720 606 601


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