Bosch WR430-7K - Manual

Bosch WR430-7K

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Table of Contents:

  • Page 2 – III; UNPACKING THE BOSCH WR430-7K HEATER; Do not lose this manual
  • Page 3 – DI MEN SION S; Figure 1
  • Page 4 – FORWARD; LOCATION; INSTALLATION INSTRUCTIONS; make sure
  • Page 6 – Bosch POWER VENTING SYSTEM; INTRODUCTION
  • Page 7 – GENERAL VENTING INFORMATION - continued; GENERAL CODE REQUIREMENTS
  • Page 8 – VENT TERMINAL INSTALLATION:
  • Page 9 – VENT INSTALLATION; Choose approved terminal location
  • Page 10 – OPERATION AND CHECKING THE DRAFT; Place; CHECKING THE DRAFT; Figure 3; RIGID PIPE; positive pressure
  • Page 11 – assure that combustion gases are safely removed to the outside.; MAINTENANCE; Points of inspection are:
  • Page 13 – For measuring correct regulator operating pressure.
  • Page 14 – OPERATING INSTRUCTIONS
  • Page 17 – TROUBLE SHOOTING; Introduction; NO SPARK AT THE PILOT; Water flow is not sufficient to activate heater.
  • Page 22 – INTERIOR COMPONENTS DIAGRAM
  • Page 23 – - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST
  • Page 25 – VENTILATEUR D'EXTRACTION - ALLUMAGE ÉLECTRONIQUE; Remettre ce; LIRE ATTENTIVEMENT LES INSTRUCTIONS AVANT L'INSTALLATION
  • Page 26 – Veiller à ne pas égarer ce manuel un éventuel remplacement sera; Principe de fonctionnement :
  • Page 27 – DIMENSIONS
  • Page 28 – pas; ALIMENTATION ÉLECTRIQUE; pi; INSTRUCTIONS D'INSTALLATION; doit
  • Page 29 – DÉGAGEMENTS DE SÉPARATION
  • Page 30 – CIRCUIT DE DÉCHARGE ET VENTILATEUR D'EXTRACTION Bosch; avec les présentes instructions.
  • Page 31 – INFORMATION GÉNÉRALE SUR LE CIRCUIT DE DÉCHARGE - suite; Note : On ne peut utiliser ces composants dans un espace dissimulé.; PRESCRIPTIONS GÉNÉRALES DES CODES
  • Page 32 – INSTALLATION DE LA BOUCHE DE DÉCHARGE :
  • Page 33 – CIRCUIT DE DÉCHARGE ET VE NTILATEUR D'EXTRACTION Bosch; INSTALLATION DU SYSTÈME DE DÉCHARGE; Choisir un emplacement approuvé pour la bouche de décharge.; Figure 2
  • Page 34 – Faire fonctionner le chauffe-eau; CONTRÔLE DU TIRAGE
  • Page 35 – ENTRETIEN; Moteur - Le moteur doit pouvoir tourner librement.
  • Page 37 – Prise de connexion pour la mesure de la pression de service
  • Page 38 – ALLUMAGE ET UTILISATION; INSTRUCTIONS D’UTILISATION; REMPLISSAGE; P o u r q u e l e c h a u f f e - e a u p u i s s e f o n c t i o n n e r , p l a c e r l e; Figure 9; ENTRETIEN - CONSEILS
  • Page 39 – RÉGULATION DE LA TEMPÉRATURE; RÉGULATION DE LA PRESSION; Figure 11 - Principes du réglage
  • Page 40 – Ne pas agrandir le trou du gicleur.; Fig. 12 - Dispositif de la flamme de veille; Fermer l’arrivée de gaz. Placer le commutateur marche/arrêt; Circuit de décharge des gaz de combustion :
  • Page 41 – PAS D’ÉTINCE LLE S POUR LA FLAMME DE VEILLE; Commut a t eur marche/arrêt à la posit ion d’arrêt «; Présence d’air dans la canalisation de gaz
  • Page 42 – Le détendeur fourni avec le chauffe-
  • Page 43 – FLUCTUATION DE LA TEM PÉRATURE DE L’EAU; Déséquilibre des pressions entre les canalisations d’eau.; EAU TROP CHAUDE
  • Page 47 – Fig. 19 - COMPOSANTS INTERNES ET LISTE DES PIÈCE S
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CA

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AL

Model
WR430-7K

• installation
• operation
• maintenance

The Bosch instantaneous water heater is a high efficiency,
space saving answer to your water heating needs. All Bosch
instantaneous water heaters heat water only as required;
no energy is lost maintaining a large volume of water at
elevated temperatures as in tank-type storage water heaters.
Suitable for heating potable water only. Not approved for
space heating purposes.

POWER VENTED - ELECTRONIC IGNITION

ASTRAVAN DISTRIBUTORS, LTD.

123 Charles Street
North Vancouver, B.C. V7H 1S1

Phone Canada: (604) 929-5488
Phone USA:

(206) 860-8448

Web Site: www astravan.com

Note: In case of problems please contact your salesman or installer

NOTICE TO INSTALLER:

Please leave this

manual with the owner or affix adjacent to
appliance.

Instantaneous gas water heater

WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property
damge, personal injury or death.

- D o n o t s t o r e o r u s e g a s o l i n e o r o t h e r

flammable vapors and liquids in the vicinity of
this or any other applicance

- WHAT TO DO I F YOU S MELL 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.

READ INSTRUCTIONS CAREFULLY BEFORE INSTALLING

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Summary

Page 2 - III; UNPACKING THE BOSCH WR430-7K HEATER; Do not lose this manual

2 6 720 606 599 Water Connection 1/2” Thread fitting H x W x D 29 3/4” x 18 1/4” x 8 3/4” Vent 4” (Category III Gas Appliance) Max. lineal vent pipe length 15" (4.5m ) Gas Connection 1/2” N PT thread Minimum recommended house supply pressure 40 Psi Warm position minimum water pressure 18 psi (no...

Page 3 - DI MEN SION S; Figure 1

3 6 720 606 599 DI MEN SION S Figure 1 Maximum Hydrostatic water pressure - 1.03 M Pa (150 p.s.i.)Maximum recommended working pressure - 0.69 M Pa (100 p.s.i.)Minimum working pressure - 0.09 M Pa (13 p.s.i .) no piping attachedReccomended pressure for showers and domestic, 0.27 MPa (40 p.s.i.) • The...

Page 4 - FORWARD; LOCATION; INSTALLATION INSTRUCTIONS; make sure

4 6 720 606 599 FORWARD The design of the WR430-7K complies with CAN 1-4.3and ANSI Z21.10 (latest edition) as an instantaneous gaswater heater. In addition, the WR430-7K also complies withCAN 1-2.17 for use at high altitudes, 2,000 - 4,500 ft. abovesea level. Installation, operation and maintenance ...

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