Bosch 125B NGS - Manual
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Table of Contents:
- Page 2 – FEATURES; AquaStar 125B LPS and 125B NGS Specifications; UNPACKING THE AQUASTAR HEATER; Do not lose this manual, as there is a
- Page 3 – FRONT VIEW; AQUASTAR MODEL 125BS; BACK
- Page 6 – Fig. 2 - Incandescent Particle Tray Illustration; MOUNTING INSTALLATION; are found on the shipping box, and on
- Page 7 – VENTING
- Page 8 – and; MASONRY CHIMNEYS
- Page 11 – Do not apply soap solution to pilot filter screen or; WATER CONNECTIONS; Altitude; GAS LINE SIZING; The heater must be disconnected from the gas
- Page 12 – LIGHTING INSTRUCTIONS; (as seen on front cover
- Page 13 – INFORMATION ABOUT WATER TEMPERATURE; MAINTENANCE AND SERVICE; Should be checked annually. Clean and repair
- Page 14 – The AquaStars heater, when; TROUBLE SHOOTING; Replace or unlock the regulator.
- Page 18 – Fig. 11 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST
- Page 19 – INTERIOR COMPONENTS DIAGRAM
- Page 20 – - Flow chart of Aquastar 125 BS
- Page 21 – LIMITED WARRANTY; Aquastar; This warranty will not apply:
- Page 22 – Estrada de Cacia
W A R N I N G
:
I m p r o p e r
i n s t a l l a t i o n ,
adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this manual. For
assistance or additional information consult a qualified
inst aller, service agency or the gas supplier. Upon
completion of the installation, these instructions should
be handed to the user of the appliance for future
reference.
In the Commonwealth of Massachusetts this product
must be installed by a licensed plumber or gas fitter.
FEATU RING: Automatic Variable Power Modulating Gas
Valve with Thermostatic Control
Warning
: If you do not follow these instructions exactly, a
fire or explosion may result causing property damage,
personal injury or loss of life.
I N S TA L L AT I O N A N D O P E R AT I N G I N S T R U CT I O N S F O R AU TO M AT I C
I N STANTAN EOUS T YPE WATE R H E ATE R S FOR U S E W ITH NATU RAL AN D
LIQUEFIED PETROLEUM GAS
WARNING
If the information in this manual is not followed exactly, a
fire or explosion may result causing property damage,
personal injury or death.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable,
combustible or corrosive vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
-
Do not try to light any appliance.
-
Do not touch any electrical switch; do not use any
phone in your building.
-
Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
-
If you cannot reach your gas supplier, call the fire
department.
- Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
Specifications ................................................................. Page 2
Rules for safe operation ............................................... Page 4
Locating the Heater ...................................................... Page 4
Combustion Air Requirements .................................... Page 5
Mounting the Heater ..................................................... Page 6
Venting the Heater ........................................................ Page 7
Gas Connections ....................................................... Page 10
Water Connections .................................................... Page 11
Safety before lighting the pilot ................................ Page 12
Lighting instructions ................................................... Page 12
Information on water temperature ........................... Page 13
Maintenance & Service ............................................. Page 13
Trouble Shooting ......................................................... Page 14
Diagram of AquaStar .................................................. Page 17
Components and Parts List ...................................... Page 19
Warranty ....................................................................... Page 21
TABLE OF CONTENTS
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AL
MODEL 125B LPS and 125B NGS (Thermostatically Modulated)
Suitable for heating potable water only
Not approved for space heating purposes
Intended for domestic hot water with preheated inlet water as with solar hot water.
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Summary
2 6 720 606 518 This well engineered, gas water heater has been speciallydesigned to operate with incoming pre-heated water: It operates on the principle of heating water instantaneously“on demand”. When a hot water faucet is opened, cold waterflows through the coils of the heat exchanger in the Aqu...
3 6 720 606 518 D861_059 MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NON COMBUSTIBLE MATERIALS FOR ALCOVE OR CLOSET I NSTALLATIONS FRONT VIEW SIDE VIEW AQUASTAR MODEL 125BS MODEL 125BS TOP (A) 12 " FRONT (B) 4 " BACK 0 " SIDES 4 " FLOOR (C) 12 " VENT DIAMETER 5 "
6 6 720 606 518 Fig. 1 - Mounting the Heater Fig. 2 - Incandescent Particle Tray Illustration The incandescent particle tray (shipped loose in the cartonwith the water heater) must be attached at the bottom ofthe water heater front cover at the time of installation. Usethe screws provided. See figur...
