Table Of Contents - Navien H2Air Installation Manual

Contents
1. About the H2Air
1.1 Included Items
1.2 Specifications
1.3 Device Layout
1.3.1 Wiring Connection Table
1.3.2 Dip Switch Function Table
2. Installing the Device
2.1 Basic Principles
2.2 Installing the Device in Water Heaters
3. Wiring the Device
3.1 System Wiring Examples
3.1.1 1-Stage Thermostat / 2-Stage Control Heating System
3.1.2 1-Stage Thermostat / 1-Stage Control Heating System
3.1.3 2-Stage Thermostat / 2-Stage Control Heating System
3.1.4 Configuring the Cooling System (for a Heating / Cooling Combo System) 16
3.2 Cable Connections
3.2.1 Connecting the Outdoor Temperature Sensor Cable
3.2.2 Connecting the Thermostat Cables
3.2.3 Connecting the Flow Switch Cables
3.2.4 Connecting the Main Control Connector
4. Configuring the Device
4.1 System Air Removal
4.2 Pump Control Options
4.3 DHW Priority Options
4.3.1 DHW Priority Mode
4.3.2 Simultaneous DHW and Space Heating Mode
5. Parameter Table
5.1 NPE-A and NPN Parameter Table
5.2 NPE-A2/S2 Parameter Table
5.2.1 Parameter Settings
5.2.2 Application Settings
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