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AquaStar 125BS manual

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Table of contents for the manual

  • Page 1

    INST ALLA TION AND OPERA TING INSTRUCTIONS FOR AQ-1 POWER VENT KIT DESIGNED FOR BOSCH 425 HN W A TER HEA TERS AQUAST AR 125 B W A TER HEA TERS INCLUDING AQUAST AR MODELS: 125HX • 125BS • 125X • 125BL T ABLE OF CONTENTS contents with an AQ-1 power vent p. 1 mounting gas pressure switch p. 2 mounting linear spillage switch p.4 common setup p. 6[...]

  • Page 2

    AQ-1 Power vent kit Parts included: Spillage Switch Kit 1. 185º F linear spillage switch mounted on an angled bracket and equipped with 36 inch cables connected to one eyelet terminal and one 1/4" quick connect terminal 2. Spillage switch mounting screw 3. Push on male spade connector , replaces eyelet terminal from 36 inch spill switch cable[...]

  • Page 3

    Power V ent Kit CAUTION 1. Failure to install, maintain and/or operate the Power V enter in accordance with manufacturer's instruction may result in conditions which can produce bodily injury and property damage. 2. The Power V enter must be installed by a qualified installer in accordance with all local codes or , in their absence, in accorda[...]

  • Page 4

    INSTRUCTIONS ( SEE DIAGRAMS ABOVE ) 1. Mount gas pressure switch by securing it to the chosen location with a screw in each one of the four mounting holes. 2. Use a tube cutter to make a clean cut (not crimped) at each end of the two lengths of the 1/4" aluminum tubing. One tube must be long enough to reach from the fitting marked "connec[...]

  • Page 5

    e. Hand thread the pressure tap fitting into the heater's burner manifold. Use a small amount of an appropriate thread sealant on the male end of the fitting. Over tightening of the fitting will break it. f. Guide the end of the tube into the com- pression fitting. While using one wrench to hold back the pressure tap fitting, gently snug- up t[...]

  • Page 6

    1. The ECO is mounted on the lower left outlet water pipe. (See figure C) a. Remove one lead connecting to ECO terminal, it does not matter which one is disconnected. b. Attach 1/4" quick connect terminal end of linear spill switch cable to now exposed terminal of the ECO. c. Remove the eyelet ended terminal from the other spill switch cable. [...]

  • Page 7

    COMMON SETUP Mount gas pressure switch against wall 6 125B Model shown See Figure D, page 5 for location of Linear S pillage Switch V ent Hood (see freeze prevention information on page 2) Power vent motor 4" single wall pipe* (galvanized or stainless steel) or 4" B-type vent*. * Single wall vent pipe requires a 6" clearance to combu[...]

  • Page 8

    CAUTION Failure to follow these installation instructions may violate applicable national and/or local codes The vent system must terminate so that proper clearances are maintained as cited in the National Fuel Gas Code, ANSI Z223.1 "The exit terminals of mechanical vent system shall be located not less than 7 feet above grade when located adj[...]

  • Page 9

    INSTRUCTIONS (DO NOT BEGIN THESE PROCEDURES UNTIL VENT HOOD HAS BEEN INST ALLED) 1. Remove vibration mounts, nuts and washers from parts bag. Install on power venter as shown in (Figure H). 2. T o prevent vibration, securely support power venter from ceiling or joist using a plumber's strap or wire fastened to the vibration mounts. As an alter[...]

  • Page 10

    3. Connect the RED wire from the jacketed cable onto the common terminal of the gas pressure switch. (See Figure I) NOTE: If the distance between the power venter and the gas pressure switch is greater than the length of the cable, splice a section of 2 conductor , PVC sheathed, 105º C thermostat cable to the supplied cable. Make sure that the col[...]

  • Page 11

    SAFETY INTERLOCK TEST 1. Open the gas supply to the water heater . 2. Remove the vent pipe from the vent connec- tor on the top of the water heater . 3. Block the vent connector with sheet metal or other noncombustible material. 4. Turn on the hot water supply to allow the burner to activate. Hot flue gasses will spill from the draft diverter momen[...]

  • Page 12

    11 HEA TER ECO SAFET Y INTERLOCK DIAGRAM LINEAR LIMIT SPILLAGE SENSING SWITCH 185º MANUAL RESET BLACK[...]

  • Page 13

    1. Attach this template to the interior of the wall the V ent Hood will be penetrating. 2. Insure that proposed vent termination clear- ances are met before cutting opening through wall. Using a 1/2" drill bit, drill two pilot holes where noted on this template. The drill bit must be long enough to penetrate to the building exterior . 3. Attac[...]