Lifebreath AH40BHW, AH40DHW, AH60BHW, AH60DHW, AH80BHW installation manual

Contents

Main For Models: OPERATION, SIZING AND INSTALLATION MANUAL Table of Contents Introduction Nutech Brands Inc. Description and Purpose IMPORTANT NOTE Closed/Open Combo System Combo System Basic Principles SCHEMATIC SYSTEM DIAGRAM (Closed Loop System) SCHEMATIC SYSTEM DIAGRAM (Open System) Call for Space Heating Only Operation Call for Domestic Hot Water and Space Heating Operation Air System Water Piping Circulation Pump Manual Valves Balance Valve Ball Valve Globe Valve Gate Valve Shut Off Valves HC Drain Valve Throttling Valve Check Valves Expansion Tanks Anti-Scald Valve Off Season Circulation Controls Thermostats cold water air cushion Water Heater Thermostat Room Thermostat Energy Saving Room Thermostat Air Handler Output Capacity Design vs. Field Conditions Water System Pressures Head Pressure Flow Rate Pressure Drop (PD) Specifications Note: Return plenum opening available off either side of cabinet. All units conform AH40DHW OUTPUT (MBH) Model AH40DHW Specifications AH60DHW OUTPUT (MBH) Model AH60DHW Specifications Model AH40BHW Specifications Model AH60BHW Specifications 1967 1868 1728 1639 1618 1575 AH80BHW Output (MBH) Model AH80BHW Installation Plumbing Figure 2 Figure 1 Electrical 24V 120V red LINE NEUTRAL Optional Dehumidistat Start-Up Procedure The following conditions must be met prior to start-up Caution: solder or other debris may cause the furnace pump or check valve to malfunction Heating/Cooling Operation Heating/Cooling Optional Circulation Timer Models Continuous Low Speed Hook Up Troubleshooting Lack of heat Pump is noisy During cooling cycle, hot water cir- culates through the coil System Commissioning Water Pump Performance Specifications

Lifebreath installation manual

Models: AH40BHW AH40DHW AH60BHW AH60DHW AH80BHW