Table Of Contents - Lennox @DNOVA THND 045 Installation, Operating And Maintenance Manual

1 General Description
1.1 Structure
1.2 Field of application
1.3 Cooling circuit
1.4 Installation warnings
2 Inspection / Transport / Positioning
2.1 Inspection on receipt
2.2 Lifting and Transport
2.3 Unpacking
2.4 Positioning
3 Installation
4 Evacuation and Charging Operations
4.1 Introduction
4.2 Vacuum and charging machine
4.3 Evacuating a circuit "contaminated" with refrigerant
4.4 Charging positions (single point)
5 Electrical Connections
5.1 Generalities
6 Starting Up
6.1 Preliminary checks
6.2 Starting up instructions
7 Setting Operating Parameters
7.1 Generalities
7.2 Maximum pressure switch
7.3 Minimum pressure switch
8 Maintenance
8.1 Warnings
8.2 Generalities
8.3 Inspecting the air filter
8.4 Inspecting the damper servomotor
8.5 Repairing the cooling circuit
8.6 Tightness test
8.7 Hard vacuum and drying of cooling circuit
8.8 Recharging with refrigerant R410A
8.9 Environmental protection
9 Troubleshooting
@DNOVA THN_R410A-IOM-1506-E
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