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Lennox BAH045SNM - User Manual

Lennox BAH045SNM
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Providing indoor climate comfort
BALTIC R410A
BALTIC R410A-IOM-0708-E
Installation, operating
and maintenance

Table of Contents

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Lennox BAH045SNM Specifications

General IconGeneral
Cooling Capacity45, 000 BTU/hr
Refrigerant TypeR-410A
Voltage208/230V
Phase1
Sound Level (Outdoor Unit)76 dB

Summary

Pressure Equipment Safety

Work on Refrigerating Circuits

Procedures for handling refrigerating circuits, focusing on pressure and explosion risks.

Replacing Components

Guidelines for using approved spare parts and correct coolants for CE marking.

Transport and Handling

Delivery Checks

Procedures for checking equipment upon receipt, including damage inspection and order verification.

Rating Plate Information

Details on the unit's rating plate, covering model, power, voltage, and refrigerant.

Storage and Maintenance Key

Recommendations for unit storage and keeping the maintenance key accessible.

Unit Dimensions and Lifting

Dimensions and Weights

Table detailing dimensions and weights for various BALTIC models.

Lifting Procedures

Diagrams illustrating lifting methods for different unit box types and retractable lugs.

Roof Curb Lifting

Procedures for lifting adjustable and exhaust roof curbs, including dimensions and weights.

Installation Guidelines

Preliminary Installation Checks

Checklist of essential checks before commencing unit installation.

Installation Requirements and Clearances

Guidelines for surface preparation, unit placement, and minimum clearances.

Roof Mounting Frame Installation

Procedures for installing roof mounting frames, including positioning and securing curbs.

Commissioning Procedures

Electrical Connections

Ensuring correct power supply and checking wire connections for the unit.

Unit Starting and Powering

Steps for connecting displays, closing breakers, and powering up the unit.

Run and Safety Tests

Performing run tests, safety checks, and reverse cycle tests for proper operation.

Ventilation and Airflow

Belt Tension and Pulleys

Instructions for checking and adjusting belt tension, pulleys, and alignment.

Airflow Balancing

Methods for measuring motor power and adjusting airflow for optimal performance.

Filters

Procedures for filter replacement and monitoring pressure drop.

Heating Options

Hot Water Coil

Hydraulic connections, freeze protection, and corrosion warnings for hot water coils.

Gas Burner Operation

Checks, start-up, pressure adjustments, safety checks, and troubleshooting for gas burners.

Climatic 50 Control System

Wiring Connections

Safety warnings and procedures for wiring Climatic 50 unit components.

Customized Input;Output

Configuration options for digital and analog inputs/outputs for unit control.

Scheduling and Clock Settings

Setting up time zones, schedules, and overrides for unit operation.

DC50;DM50 Display Operations

Using the DC50/DM50 display for unit monitoring, settings, and overrides.

BMS Address Tables

Mapping logical addresses to DS50 values for Building Management System integration.

Maintenance Diagnostics

Refrigeration Troubleshooting

Diagnosing and resolving faults related to refrigerant circuits and LP/HP cut-outs.

Fan and Electric Heater Faults

Troubleshooting common issues with indoor/outdoor fans and electric heaters.

Water Leaks and Display Faults

Diagnosing water leaks and issues with DC50/DS50 displays.

Maintenance Plan

Recommended Maintenance Tasks

Detailed list of maintenance tasks, their frequencies, and estimated execution times.

Warranty Information

Warranty Terms and Conditions

General warranty terms, period, and conditions for repairs and spare parts.

Anti-Corrosion Warranty

Specific warranty details for the unit casing against corrosion.

Certificates and Declarations

AFNOR and CE Certifications

Details of AFNOR, ISO 9001, and CE conformity certifications for the unit.

Fire Safety Classifications

Reports on fire reaction classifications for various unit components and materials.

Gas and Quality System Approvals

Certificates related to gas appliance approval and quality system approval.

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