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AquaStar AQ4 manual

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Table of contents for the manual

  • Page 1

    Installation manual A Q4 Horizontal V ent Kit F or Bosch AquaS tar Models: GWH 1600 P , GWH 1600 H F or Bosch Pr o T ankless Models: GWH 425 PN , GWH 425 HN* WA RNING: If the information in this manual is not follo wed ex actly , a r e or explosion may result causing proper ty damage, personal injur y or death. Do not store or use gas oli ne or [...]

  • Page 2

    2 AQ4 Manual T able of Contents T able of Contents 1 Introduction ......................................................................... 3 1.1 Par ts included ................................................................................ 3 1.2 W arnings ................................................................................ 3 1.3 Prep[...]

  • Page 3

    3 AQ4 Manual 1 Introduction 1.1 Par ts included V ent Hood Kit • 1 - 4” vent hood: VH1-4 • 4 - Exterior scr ews • 1 - 5” t o 4” vent reducer pipe • 1 - AQ4FL APPER back draft accessor y Vibration Mount Packet • 2 - Vibration mounts with nuts and washers • 2 - Brack ets with nuts and w ashers Flow Switch Pack et • 1 - Flow switch[...]

  • Page 4

    4 AQ4 Manual as possible. 1.4 Requirements f or installation in Massachusetts A t t e n t i o n r e s i d e nt s o f t he C o m m o nw e a l t h o f Massachusetts: In the Co mm on we al th of Mas sac hu se tts th e f ollo wi ng regulation w ent into effect on 12/30/2005: (a) For all side wall horizontally vented gas fueled equipment installed in ev[...]

  • Page 5

    5 AQ4 Manual 2 A Q4 Installation instructions 2.1 Introduction Please follow these instructions. F ailure to follow instructions may result in: · Damage, injur y or death · Improper operation · Los s of warranty If you are unable to per f or m the tasks requir ed t o install the wat er heater and this accessor y properly , please contact a local[...]

  • Page 6

    6 AQ4 Manual V Fig. 2 Vibration mounts and recommended support V 6" V V 6" Fig. 3 Minimum clearances to po wer vent mot or V V 6" V Fig. 4 V ent connection to po wer vent mot or AQ4 Installation ins tructions V V 6" 2.4 Po wer vent mot or Caution: Po wer vent mo tor must be mounted wit h vibration mounts and with mot or shaf t h[...]

  • Page 7

    7 AQ4 Manual 2.5 V ent piping 1. Install 5" t o 4" reducer pipe on t op of the w ater heater and t hen connect a 4" 90º elbow t o begin the hor izontal run. Use 4” v ent pipe to connect from this elbow to the pow er vent mot or inlet, avoiding elbows when possible. The maximum vent length from the w ater heat er t o the point of t[...]

  • Page 8

    8 AQ4 Manual Fig. 8 W ater val ve pin Wat er valve pin AQ4 Installation ins tructions 2.7 Flow switch Replacement piping and ow switch is included f or 1600P/425PN and 1600H/425HN water heaters. Check y our model number on the right side of the wat er heater cover t o conrm which pr ocedure to follo w. 2.7.1 Models 1600P/425PN 1. Shut off col[...]

  • Page 9

    9 AQ4 Manual 3 Operation 3.1 First time start up 3.1.1 Time delay rela y 1. The AQ4 pow er vent kit is equipped with a time delay relay . It is supplied with the time delay set at the (0.1) second position 2. If installing the AQ4 with standing pilot models 1600P or 425PN, no adjustment is required. 3. If installing the A Q4 with h ydro ignition mo[...]

  • Page 10

    10 AQ4 Manual 4 Maintenance Th e ve nt sy st em mus t be in spe ct ed at re gu lar 3-m ont h intervals. Points of inspection are as f ollows: 1. Scre ened open ing of the vent hood shou ld be fr ee from f oreign material and cleaned as necessar y . 2. Check all vent syst em connections for leakage and reseal where needed with high temperature si li[...]

  • Page 11

    11 AQ4 Manual T roubleshooting 5.3 Pilot will not s tay lit when manually lit (1600P and 425PN) or will not spark automatically with ho t water ow (1600H and 425HN) 1 . Check the linear safety spillage switch reset button t o see if it is tripped (See Section 2.6). Overheating or loss of pow er t o the unit will trip the safety spillage switch a[...]

  • Page 12

    12 AQ4 Manual One Y ear Limit ed Warranty 6 One Y ear Limit ed Warranty General The vent kit is warranted by the Manufacturer (T JERNLUND) through Bosch Thermotec hnology Corp. Bosch Thermot echnology will furnish a replacement par t which fails in normal use and ser vice within the applicable per iods specified bel ow , in acc ord ance wit h the t[...]

  • Page 13

    13 AQ4 Manual - DENO TES LINE VOL T AGE F ACT ORY WIRING DENO TES L O W VOL T AGE F ACTOR Y WIRING FL OW SWITCH (N/O) TRANSFORMER 24VDC RED 115V AC BLACK BLACK BLACK BLACK WHITE WHITE WHITE GREEN GREEN 115/1/60 PL UG TIMER RELA Y POWER VENT MOT OR YELL OW WIRE NUT WIRE NUT C NO NC YELL OW RED TIMER RELA Y 2 1 BL UE Wiring Diagram 7 Wiring diagram F[...]

  • Page 14

    14 AQ4 Manual NO TE: HARDW 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 FOLL OW THE BACK DRAFT FLAPPER INSTRUCTION SHEET IF OUTDOOR TEMPERA TURES MA Y DROP BELOW FREEZING Fig. 14 V ent hood mounting tem plate V ent hood [...]

  • Page 15

    15 AQ4 Manual Not es[...]

  • Page 16

    Bosch Thermotechnology Corp. 50 Wentworth Avenue Londonderry , NH 03053 T el: 1-866-642-3198 Fax: 1-603-584-1681 www .boschpro.com[...]