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Bradley Keltech SNA Series - User Manual

Bradley Keltech SNA Series
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Installation
Keltech Incorporated
A Subsidiary of Bradley
729 S. Grove St., Delton, MI 49046
+1 269 623 6395 800 999 4320
Fax: +1 269 623 6398
www.bradleycorp.com
215-1815 Rev. E; ECN 16-17-016
© 2016 Bradley
Page 1 of 62 6/10/2016
Keltech
®
SNA-Series
Tankless Heater Models
Modèles de chauffe-eau
instantanés Keltech
®
série SNA
Modelos del calentador sin
tanque Keltech
®
serie SNA
SNA-36
SNA-54
SNA-63
SNA-72
SNA-108
SNA-126
SNA-144
SNAR-108
SNAR-126
SNAR-144
Voltage options for models:
600V 3-phase
480V 3-phase
415V 3-phase
400V 3-phase
380V 3-phase
Options de tension pour les
modèles :
600 V triphasé
480 V triphasé
415 V triphasé
400 V triphasé
380 V triphasé
Opciones de voltaje para
modelos:
600 V trifásico
480 V trifásico
415 V trifásico
400 V trifásico
380 V trifásico

Questions and Answers

Summary

Pre-Installation Information

General Information

Overview of Keltech Tankless Water Heater features and installation compliance.

Operation and Setup

Describes SNA-Series heater capabilities for hot water supply and performance.

Application Specific Requirements

Details requirements for safety showers and pressure spike absorption.

Installation Considerations

Lists maximum operating pressures and minimum flow activation for installation.

Certifications

Lists ETL, UL, CSA, NPFA, NSF/ANSI, NEC, and Canadian Electrical Code certifications.

Storage Instructions

Recommended Storage Criteria

Guidelines for storing heaters indoors above 35°F (2°C) to prevent damage.

Alternate Storage Options

Details outdoor storage considerations and protection from elements and freezing.

Packaging Information

Information on crate construction, dimensions, stacking, and handling.

Mounting Heater

Plumbing Installation

Required Plumbing Components

Lists essential components required for plumbing installation.

Installation Dimensions and Configurations

Diagrams and dimensions for heater installation and connections.

Electric Installation

Start Up Checklist

Plumbing Checklist Items

Checklist items for verifying correct plumbing setup before startup.

Electrical Checklist Items

Checklist items for verifying correct electrical installation before startup.

Start Up Procedure

Digital Controller Operation

Operational Test No. 1

Operational Test No. 2

SNA-SKID Series System

TepidGuard Flow Conditions

Product Options Overview

Temperature Alarms (AL3;AL3-SL)

Provides dry contacts for flow activation and optional local alarms.

Ground Fault Protection (GF)

Detects electrical leakage to protect equipment from power faults.

Freeze Protection (ENHT;ENHT30)

Internal freeze protection for low temperatures with NEMA 4/4X enclosure and forced air.

Explosion Proof Purge System (EXP2 CFPM)

Makes heaters compliant for Class I Division 2 hazardous areas with a purge system.

Fused Disconnect (FDS)

Internal fused disconnect with interlock for safety and convenience.

ASME Certified Heat Exchanger (HLW)

Special brass heat exchanger certified by ASME inspector.

NEMA 4 X Enclosure

Corrosion resistant enclosure made of stainless steel.

Maintenance Procedures

Y-Strainer Cleaning Guide

Step-by-step instructions for cleaning the Y-strainer and associated components.

Controller Troubleshooting

No Power Issues

Troubleshooting steps for when the controller experiences no power.

Flow Limit Control Board Troubleshooting

Intermittent Operation or No Operation

Troubleshooting steps for heaters not working or working intermittently.

Element Load Bank Not Energized

Diagnosing why element load banks 1-2 or 3-4 are not energized.

Special Installation and Operating Instructions

EXP2 CFPM Option for Hazardous Locations

Details on installing EXP2CFPM in Class I Division 2 hazardous areas.

General Information for EXP2 CFPM

Overview of the EXP2CFPM system and its purpose.

EXP2 CFPM Installation Notes

Key notes for installing the EXP2CFPM purge system in hazardous environments.

Purge Gas Supply Notes

Intrinsically Safe (IS) Installation Guidelines

IS Installation and Commissioning

Commissioning the EXP2 CFPM System

Steps to commission the Continuous Flow Keltech Option EXP2CFPM System.

Special Installation Maintenance

Routine System Maintenance (6 Months)

Six-month maintenance tasks including commissioning tests and checks.

Periodic System Maintenance (18-24 Months)

Checks every 18-24 months for suitability, modifications, and labels.

Summary

Pre-Installation Information

General Information

Overview of Keltech Tankless Water Heater features and installation compliance.

Operation and Setup

Describes SNA-Series heater capabilities for hot water supply and performance.

Application Specific Requirements

Details requirements for safety showers and pressure spike absorption.

Installation Considerations

Lists maximum operating pressures and minimum flow activation for installation.

Certifications

Lists ETL, UL, CSA, NPFA, NSF/ANSI, NEC, and Canadian Electrical Code certifications.

Storage Instructions

Recommended Storage Criteria

Guidelines for storing heaters indoors above 35°F (2°C) to prevent damage.

Alternate Storage Options

Details outdoor storage considerations and protection from elements and freezing.

Packaging Information

Information on crate construction, dimensions, stacking, and handling.

Mounting Heater

Plumbing Installation

Required Plumbing Components

Lists essential components required for plumbing installation.

Installation Dimensions and Configurations

Diagrams and dimensions for heater installation and connections.

Electric Installation

Start Up Checklist

Plumbing Checklist Items

Checklist items for verifying correct plumbing setup before startup.

Electrical Checklist Items

Checklist items for verifying correct electrical installation before startup.

Start Up Procedure

Digital Controller Operation

Operational Test No. 1

Operational Test No. 2

SNA-SKID Series System

TepidGuard Flow Conditions

Product Options Overview

Temperature Alarms (AL3;AL3-SL)

Provides dry contacts for flow activation and optional local alarms.

Ground Fault Protection (GF)

Detects electrical leakage to protect equipment from power faults.

Freeze Protection (ENHT;ENHT30)

Internal freeze protection for low temperatures with NEMA 4/4X enclosure and forced air.

Explosion Proof Purge System (EXP2 CFPM)

Makes heaters compliant for Class I Division 2 hazardous areas with a purge system.

Fused Disconnect (FDS)

Internal fused disconnect with interlock for safety and convenience.

ASME Certified Heat Exchanger (HLW)

Special brass heat exchanger certified by ASME inspector.

NEMA 4 X Enclosure

Corrosion resistant enclosure made of stainless steel.

Maintenance Procedures

Y-Strainer Cleaning Guide

Step-by-step instructions for cleaning the Y-strainer and associated components.

Controller Troubleshooting

No Power Issues

Troubleshooting steps for when the controller experiences no power.

Flow Limit Control Board Troubleshooting

Intermittent Operation or No Operation

Troubleshooting steps for heaters not working or working intermittently.

Element Load Bank Not Energized

Diagnosing why element load banks 1-2 or 3-4 are not energized.

Special Installation and Operating Instructions

EXP2 CFPM Option for Hazardous Locations

Details on installing EXP2CFPM in Class I Division 2 hazardous areas.

General Information for EXP2 CFPM

Overview of the EXP2CFPM system and its purpose.

EXP2 CFPM Installation Notes

Key notes for installing the EXP2CFPM purge system in hazardous environments.

Purge Gas Supply Notes

Intrinsically Safe (IS) Installation Guidelines

IS Installation and Commissioning

Commissioning the EXP2 CFPM System

Steps to commission the Continuous Flow Keltech Option EXP2CFPM System.

Special Installation Maintenance

Routine System Maintenance (6 Months)

Six-month maintenance tasks including commissioning tests and checks.

Periodic System Maintenance (18-24 Months)

Checks every 18-24 months for suitability, modifications, and labels.

Bradley Keltech SNA Series Specifications

General IconGeneral
BrandBradley
ModelKeltech SNA Series
CategoryWater Heater
LanguageEnglish

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