Bosch 125B NGS - Manuals - manualsarea.com

Page 2 - FEATURES; AquaStar 125B LPS and 125B NGS Specifications; UNPACKING THE AQUASTAR HEATER; Do not lose this manual, as there is a

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...

Page 3 - FRONT VIEW; AQUASTAR MODEL 125BS; BACK

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 "

Page 6 - Fig. 2 - Incandescent Particle Tray Illustration; MOUNTING INSTALLATION; are found on the shipping box, and on

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...

Page 7 - VENTING

7 6 720 606 518 VENTING Vent pipe connection. WARNING: Do not reduce the vent pipe size. See Fig. 3 for high altitude installations The heater must be vented to the outside following all local ordinances and specifications for installing a gas appliancevent or chimney. The heater must be located as ...

Page 8 - and; MASONRY CHIMNEYS

8 6 720 606 518 MASONRY CHI MNEY : Masonry chimneys shall be built and installed in accordance with N FPS 211 or local codes. A minimum 5” diameter gas vent pipe (metal double wall Type B), or an approved clay flue liner or a listed chimney liningsystem must be used when venting into a naturally dra...

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

11 6 720 606 518 The water heater must be isolated from the gas supply pipingsystem by closing the manual shutoff valve during anypressure testing of the gas supply piping system at testpressures equal to or more than 0.5 psig.The water heater, including the pressure regulator providedwith it, must ...

Page 12 - LIGHTING INSTRUCTIONS; (as seen on front cover

12 6 720 606 518 OPERATING INSTRUCTIONS Before proceeding with the operation of the heater makesure that the system is filled with water.Open the cold water inlet supply to the heater fully.Open a hot water faucet to permit the water to fill the heaterand the piping and to eliminate the air trapped ...

Page 13 - INFORMATION ABOUT WATER TEMPERATURE; MAINTENANCE AND SERVICE; Should be checked annually. Clean and repair

13 6 720 606 518 Fig. 8 - Characteristic Pilot Flame 3mm C o r r e c t g a p b e t w e e n p i l o tburner tip and piezo electrodetip Piezo Electrode Air screen filter 1 0mm 3/8” Piezo Electrode Thermocouple To clean the pilot burner and/ or the pilot orifice : Turn off the gas at the unit. Remove t...

Page 14 - The AquaStars heater, when; TROUBLE SHOOTING; Replace or unlock the regulator.

14 6 720 606 518 If some burners have yellow flames while others have goodflames, it is likely that dust, lint or spider webs have partiallyclogged the burner venturis. Contact a gas service personto clean the remove and clean the burners. Mineral Sc ale Build-up: The AquaStars heater, when operated...

Page 18 - Fig. 11 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST

18 6 720 606 518 AQ 125 BS Fig. 11 - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST

Page 19 - INTERIOR COMPONENTS DIAGRAM

19 6 720 606 518 Fig. 11 INTERIOR COMPONENTS DIAGRAM AND PARTS LIST 125BS 1 Cover 8 705 421 033 2 Cap cover 8 703 304 011 3 Water connection gasket 8 710 103 043 4 Draft divertor 8 705 505 354 5 Heat exchanger 8 705 406 189 6 Hot water pipe 8 700 705 431 7 Cold water pipe 8 700 705 294 8 Heat exchan...

Page 20 - - Flow chart of Aquastar 125 BS

20 6 720 606 518 Fig. 12 - Flow chart of Aquastar 125 BS

Page 21 - LIMITED WARRANTY; Aquastar; This warranty will not apply:

21 6 720 606 518 LIMITED WARRANTY Aquastar General Aquastar water heaters are warranted by the Manufacturer(B OSC H) through Controlled Energy Corp. ControlledEnergy C orp . ( C E C ) will furnish a replacement heatexchanger and will furnish a replacement of any other partwhich fails in normal use a...

Page 22 - Estrada de Cacia

VULCANO Termodomésticos S.A. Estrada de Cacia 3801 - 856 Aveiro - PORTUGAL Recycled paper 3 1 e g a p e e s E L B A T E C N A N E T N I A M R A E Y Y R E V S E R A E Y 2 Y R E V S E R A E Y 5 - 3 Y R E V E E V L A V R E T A W E T A C I R B U L † E V L A V R E T A W D L I U B E R † N E E R C S R E T ...