Bosch Appliances WR430-7K manual General Code Requirements, Approved Venting Materials

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Bosch POWER VENTING SYSTEM

GENERAL VENTING INFORMATION - continued

APPROVED VENTING MATERIALS:

Single wall:

As gauge listed in the current CAN1/CGA B149 installation code for gas burning appliances (for Canada), National Fuel Code ANSI Z223.1-LATEST (for USA).

Note: Cannot be used in concealed locations.

B-Vent materials:

Straight lengths only (no elbow) may be used under following conditions

(i)Unsealed 5” B-vent may be used as a chase for sealed 4” single wall through concealed or unheated

areas.

Clearances to combustible materials for walls and partitions:

1” (25mm) for B-Vent.

3” (76mm) for single wall and uninsulated PVS-1 vent piping. A wall thimble must be installed for internal wall applications.

All runs through unheated space or exposed to outside temperatures must be insulated to prevent condensation.

All portions of the vent system under positive pressure during operation (on the outlet side of the WR430-7K) shall be sealed with high temperature silicone and high temperature aluminum duct tape and installed so as to prevent leakage of flue or vent gases into building.

GENERAL CODE REQUIREMENTS

Before commencing an installation always consult with local gas and electrical codes and authorities, in the absence must be installed:

With the current CAN1/CGA B149 installation code for gas burning appliances and the Canadian Electrical code C22.1-M90 part 1 (for Canada).

With the National Fuel Code and the ANSI Z223.1-LATEST and National Electrical Code ANSI/NFPA No 70- LATEST electrical code (for USA).

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Contents What to do if YOU Smell GAS Instantaneous gas water heaterUnpacking the Bosch WR430-7K Heater FeaturesNAT. GAS Propane Dimensions Electrical LocationAIR Requirements Mounting ClearanceSizing & Distances IntroductionGeneral Information General Venting InformationApproved Venting Materials General Code RequirementsVent Terminal Installation Electrical Wiring Vent InstallationOperation and Checking the Draft Vent InstallationMaintenance Water Connections Drip TrayGAS Connections Relief ValveTo Turn OFF GAS to Appliance Service HintFilling Lighting and Operating InstructionsHigh Temperature Limit Switch Temperature RegulationPressure Regulation Characteristic Pilot Flame Maintenance and ServiceAdjusting Screw Trouble ShootingNo Spark AT the Pilot Pilot Lights but Burners Will not Come on Pilot Sparks Continuously with No Water RunningMain Burners GO OUT During HOT Water USE Water is not HOT Enough Water is TOO HOTHOT Water Tempe Ratur E Fluctuates Diagram of WR430-7K 720 606 Interior Components Diagram Parts List WR430 Interior Components Diagram and Parts List Page Chauffe-eau instantané, à gaz Principe de fonctionnement Déballage DU CHAUFFE-EAU Bosch WR430-7KDimensions Alimentation Électrique Lieu DinstallationDemande Dair Dégagements DE Séparation AvertissementMontage Information Générale IntroductionPrescriptions Générales DES Codes Matériaux Approuvés Pour LE Circuit DE DéchargeInstallation DE LA Bouche DE Décharge Câblage Électrique Installation DU Système DE DéchargeContrôle DU Tirage Utilisation ET Contrôle DU TiragePoints dinspection EntretienRaccordement AUX Canalisations Deau Plateau DE RécupérationRaccordement À LA Canalisation DE GAZ Soupape DE SurpressionAllumage ET Utilisation RemplissageInterruption DE L’ALIMENTATION EN GAZ DU CHAUFFE-EAU Thermostat DE Sécurité «HAUTE TEMPÉRATURE» Régulation DE LA PressionDispositif de la flamme de veille PAS D’ÉTINCELLES Pour LA Flamme DE Veille DépannageFlamme DE Veille ALLUMÉE, Mais LE Brûleur NE ’ALLUME PAS Production Constante D’ÉTINCELLES, Sans Circulation D’EAUTempérature DE L’EAU Insuffisante EAU Trop ChaudeFluctuation DE LA Température DE L’EAU Chauffe-eau WR430-7K 720 606 Composants Internes DU CHAUFFE-EAU WR ET Liste DES Pièces Composants Internes ET Liste DES Pièces