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Bosch Appliances GWH 425 PN manual

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Table of contents for the manual

  • Page 1

    Installation manual AQ 4 Hor izont al V ent Kit F or Bosch AquaSt ar Models: GWH 1600 P , G WH 16 00 H F or Bosch Pr o T ankle s s Models: GWH 425 PN , G WH 425 HN* WARNING WARNING WARNING WARNING WARNING : If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Do[...]

  • Page 2

    2 AQ4 Manual T able of Conte n t s T able of Cont e nt s 1 Introduction ........................................................................ 3 1.1 Parts included ............................................................................... 3 1.2 Warnings ............................................................................... 3 1.3 Pre[...]

  • Page 3

    3 AQ4 Manual 1 Introduction 1.1 Parts included Vent Hood Kit • 1 - 4" vent hood: VH1-4 • 4 - Exterior screws • 1 - 5" to 4" vent reducer pipe • 1 - AQ4FL APPER back draft acce ssory Vibration Mount Packet • 2 - Vibration mounts with nuts and washers • 2 - Brackets with nuts and washers Flow Switch Packet • 1 - Flow swit[...]

  • Page 4

    4 AQ4 Manual 1.4 Requirements for installation in Massachusetts Attention residents of the Commonwealth of Massachusetts: In t he Common wea l t h of Ma s sa chuse t t s t h e following regulation went into effect on 12/30/2005: (a) For all side wall horizontally vented gas fueled equipment inst alled in ever y dw elling, building or structure used[...]

  • Page 5

    5 AQ4 Manual 2 AQ4 Installation instructions 2.1 Introduction Ple a se follo w these in s tr uctions. F ailure to f ollow instructions may result in: · Damage, injur y or de a th · Improper operation · Loss of warranty If you are unable to perform the tasks required to inst all the wa te r he a t er and this accessor y p roperly , pl ease cont a[...]

  • Page 6

    6 AQ4 Manual V Fig. 2 Vibra tion mounts and r ecommended support V 6" V V 6" Fig. 3 Minimum cle a r ance s to p ow er v ent mot or V V 6" V Fig. 4 V ent connection to pow er v ent motor AQ4 Installation instructions V V 6" 2.4 Power vent motor Caution: Caution: Caution: Caution: Caution: Power vent motor must be mounted with vib[...]

  • Page 7

    7 AQ4 Manual 2.5 V ent piping 1. Install 5" to 4" reducer pipe on top of the water heater and then connect a 4" 90º elbow to begin the horizontal run. Use 4" vent pipe to connect from this elbow to the power vent motor inlet, avoiding elbows wherever possible. The maximum vent length from the water heater to the point of te r m[...]

  • Page 8

    8 AQ4 Manual Fig. 8 Wa ter va lve p in Water valve pin AQ4 Installation instructions 2.7 Flow switch Replacement piping and flow switch is included for 1600P/425PN and 1600H/425HN water heaters. Check your model number on the right side of the water heater cover to confirm which procedure to follow. Models 1600P/425PN 1. Shut off cold water supply [...]

  • Page 9

    9 AQ4 Manual 3 Operation 3.1 First time start up It is important to verify proper operation of the power vent motor before commissioning the system: 1. Slowly turn on cold water supply and check for any leaks at newly installed flow switch and piping. 2. Plug power vent motor into 120VAC outlet. 3. With the gas supply to the water heater turned off[...]

  • Page 10

    10 AQ4 Manual T rouble shooting 5 T r oubleshoo ting 5.1 Introduction Many of the questions customers ask regarding operation of this unit can be answered by following the troubleshooting steps outlined below. Visit our w ebsit e a t w ww .bosc hho t w at er .com f or mor e detailed troubleshooting. For best results, perform each step before procee[...]

  • Page 11

    11 AQ4 Manual One Y ear L imite d W a rranty 6 One Y ear L imited W a rr anty G ener a l The vent kit is warranted by the Manufacturer (T JERNL UND) th rough BBT N or t h Amer ica. BBT N or t h America (BBTNA) will furnish a replacement part which fails in nor mal use and service wit hin t h e applicable periods specified below, in accordance with [...]

  • Page 12

    12 AQ4 Manual - DENO TES LINE VOL T AGE F ACT ORY WIRING DENO TES LOW VOL T A GE F ACT ORY WIRING FL OW SWITCH (N/O) WHITE TRANSFORMER 24VDC RED 115V AC BLACK BLACK BLA CK BLACK WHITE WHITE WHITE WHITE GREEN GREEN 115/1/60 PL UG TJERL UND TIMER RELA Y POWER VENT MOT OR BLACK YELL OW WIRE NUT WIRE NUT Wiring Diagram 7 Wiring diagram Fig. 12 F an w i[...]

  • Page 13

    13 AQ4 Manual NO TE: HARD W ARE SHOWN INCLUDED WITH VENT HOOD BUILDING EXTERIOR W ASHER (4) SHEET MET AL SCREW (4) PIL OT HOLE PIL OT HOLE CUT HOLE THROUGH W ALL TEMPLA TE WHEN INST ALLING THE VENT HOOD FOLLOW THE BACK DRAFT FLAPPER INSTRUCTION SHEET IF OUTDOOR TEMPERA TURES MA Y DROP BEL O W FREEZING Fig. 14 Vent hood mounting te m pl ate Vent hoo[...]

  • Page 14

    14 AQ4 Manual Notes[...]

  • Page 15

    15 AQ4 Manual Notes[...]

  • Page 16

    BBT N ORTH AMERICA C ORPORA TION Bosch Group Bosch Water Heating 340 Mad River Park W a its f ield, V T 05673 Phone 800-642-3111 F ax (802) 496-6924 ww w .bosc hh o tw ate r .com te c hsuppor t@bosc hho t w ate r .com AQ4 manual 11-20 (11.06) TSE[...]