Instruction/ maintenance manual of the product 125HX LP Bosch Appliances
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W ARNING : Improper inst allation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer , service agency or the gas supplier .
2 6 720 606 562 (02.03) Principle of Operation: When a hot water faucet is opened, the water flow through the heater causes the gas valve to open. At the same time the hydro-generator activates the electronics which sends a spark to the pilot. The flame sensor confirms the pilot has been lighted and allows the first two burners to come on.
3 6 720 606 562 (02.03) MINIMUM INST ALLA TION CLEARANCES FROM COMBUSTIBLE AND NON COMBUSTIBLE MA TERIALS FOR ALCOVE OR CLOSET INST ALLA TIONS FRONT VIEW SIDE VIEW AQUAST AR MODEL 125HX MODEL 125 HX T.
4 6 720 606 562 (02.03) GENERAL RULES TO FOLLOW FOR SAFE OPERA TION 1. Y ou should follow these instructions when you install your heater . In the United S tates: The installation must conform with local codes or , in the absence of local codes, the National Fuel Gas Code ANSI Z223.
5 6 720 606 562 (02.03) Louvers, grills and screens have a blocking effect. If the effective free area is not known, increase the sizes of your openings by 75% if your louvers are wood and by 30% if your louvers are metal. Refer to the National Fuel Gas Code for complete information.
6 6 720 606 562 (02.03) Fig. 2 - Incandescent Particle T ray Illustration at least 1/4 inch for every foot of its horizontal length. Keep the horizontal section short and avoid too many elbows. T o check the draft: Close all doors and windows to the outside.
7 6 720 606 562 (02.03) GAS CONNECTIONS and Gas Regulator NOTE: The Aquastar 125 HX is supplied with a gas pressure regulator that must be installed on the heater before attaching the gas supply line. See figure 4. Failure to install the gas regulator as shown in figure 4 will be a violation of CSA certification of the unit.
8 6 720 606 562 (02.03) Nominal Iron P ipe Black Iron Pipe Size , Length of Pipe, Fee t Inches 10 20 30 40 50 60 70 80 90 100 125 150 1/2 275 189 152 129 114 1 03 96 89 83 78 69 63 3/4 567 693 315 267.
9 6 720 606 562 (02.03) OPERA TING INSTRUCTIONS Before proceeding with the operation of the heater make sure that the system is filled with water . Open the cold water inlet supply to the heater fully .
10 6 720 606 562 (02.03) The position you select on the temperature adjustment knob will depend on the temperature of the incoming water (50 ° F is average in the U.
11 6 720 606 562 (02.03) Fig. 10 - Characteristic Pilot Flame MAINTENANCE AND SER VICE REVIEW MAINTENANCE T ABLE ON THE BACK OF THIS MANUAL. Approximately once a year , the AquaS tar should be checked and cleaned.
12 6 720 606 562 (02.03) Problems are stated in upper case, bold face. Most common causes for the problems follow in order of likelihood. The suggested solutions require that the cover be taken of f. T o do this, remove incandescent particle tray , pull off the temperature adjustment knob and unscrew and remove the plastic collar .
13 6 720 606 562 (02.03) Fig. 13 - Electrical wiring diagram 5. Flue gas safety device activated V entilate the room and re-ignite the appliance 10 minutes later . If it happens again, contact your service person or Controlled Energy .. WA TER IS TOO HOT 1 .
14 6 720 606 562 (02.03) 3 Fig. 14 - Diagram of AquaS t ar 125 HX 1. Heat exchanger 2. Pilot assembly 3. Burner manifold gas pressure test nipple 4. Main gas burner 5. Pilot gas tubing 3. Inlet water pressure is erratic due to inadequate supply water pressure or saturated pressure tank on well system Check the inlet water pressure.
15 6 720 606 562 (02.03).
16 6 720 606 562 (02.03) Fig. 15 - INTERIOR COMPONENTS DIAGRAM AND P ARTS LIST.
17 6 720 606 562 (02.03) Fig. 15 INTERIOR COMPONENTS DIAGRAM AND P ARTS LIST 125HX 1 Front cover ¤ 8 705 421 752 2 T emperature adjustment knob comp. ¤ 8 702 000 219 3 T emperature adjustment knob .
Replacement Parts available from North American Distributor CONTROLLED ENERGY CORP . 340 Mad River Park W ait sfield, V ermont 05673 Phone 800-642-31 11 Fax (802) 496-6924 ww w .controlledenergy .com techsupport@controlledenergy .com VULCANO T ermodomésticos S.
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