AquaStar installation manual AQ4 Manual

Models: AQ4

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Notes

AQ4 Manual

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Contents

For Bosch ProTankless Models GWH 425 PN, GWH 425 HN Installation manualAQ4 Horizontal Vent Kit For Bosch AquaStar Models GWH 1600 P, GWH 1600 HTroubleshooting Table of ContentsAQ4 Installation instructions Maintenance1.3 Preparation 1 Introduction1.1 Parts included 1.2 WarningsMassachusetts 1.4 Requirements for installation inMassachusetts Attention residents of the Commonwealth of2.1 Introduction 2 AQ4 Installation instructions2.2 Locating power vent hood and clearances 2.3 Power vent hood2.4 Power vent motor Connecting linear safety spillage switch to pilot safety circuit 2.6 Linear safety spillage switch2.5 Vent piping Mounting the linear safety spillage switch2.7 Flow switch 2.7.1 Models 1600P/425PN2.7.2 Models 1600H/425HN 3.1.3 Safety interlock test 3 Operation3.1 First time start up 3.1.1 Time delay relay4 Maintenance 5 Troubleshooting5.1 Introduction 5.6 Noise when power vent motor is running 5.4 Spark but pilot will not light 1600H and 425HN only5.5 Pilot and/or burners go out during hot water use How to Make a Claim 6 One Year Limited WarrantyThe Warranty Terms Service Labor Costs7 Wiring diagram 425HN and 1600H wiring425PN and 1600P wiring CUT HOLE THROUGH WALL TEMPLATE 8 Ve n t h o o d m o u n t i n gWHEN INSTALLING THE VENT HOOD FOLLOW THE BACK DRAFT FLAPPER INSTRUCTION SHEET IF OUTDOOR TEMPERATURES MAY DROP BELOW FREEZINGAQ4 Manual Bosch Thermotechnology Corp 50 Wentworth Avenue Londonderry, NH Tel