Genvex PREMIUM PREHEAT 300 Installation Manual

Genvex PREMIUM PREHEAT 300 Installation Manual

Air-air heat recovery ventilation heat pump

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INSTALLATION
MANUAL
PREMIUM PREHEAT 250 , 300, 500
Air-air heat recovery ventilation heat pump

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Table of Contents
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Summarization of Contents

Installation Safety and Prerequisites
Critical Installation Checks
Ensure unit leveling, water traps, drain function, and initial air volume balancing.
System Protection and Startup Prep
Verify freeze protection measures and close ceiling valves before system startup.
Unit Setup and Placement
Location and Service Clearance
Place unit on solid surface with adequate clearance for service access, especially in attics.
Condensation Handling and Insulation
Manage daily condensation output and ensure condensation pipes are insulated in cold conditions.
Ductwork Connection and Design
Duct Connection Identification
Use stickers to identify correct duct connections for supply, extract, fresh, and exhaust air.
Duct System Best Practices
Recommend spiral ducts, silencers, low air speeds, and proper external grille placement for optimal performance.
Condensation Drain Management
Drain Pipe Installation and Protection
Proper installation, freeze protection, and maintenance of condensation drain pipes.
Duct Insulation in Cold Attics
Supply and Extract Duct Insulation
Minimum insulation requirements for supply and extract ducts in cold attics to prevent heat loss.
Fresh and Exhaust Duct Insulation
Insulation standards for fresh and exhaust ducts in cold attics to prevent heat loss.
Duct Insulation in Warm Rooms
Supply Air Duct Insulation
Insulation for supply air ducts in heated rooms to prevent condensation.
Fresh/Exhaust Duct Insulation (Warm)
Insulation for fresh and exhaust air ducts in warm attics/rooms to prevent condensation.
Electrical Connection and Startup
Electrical Connection Requirements
Ensure connection by a certified electrician following safety standards and using correct cable types.
Initial System Startup Procedure
Pre-startup checks and initial valve adjustments for system commissioning.
Ventilation System Optimization
Airflow Measurement and Adjustment
Utilize air measuring equipment to adjust system to basic ventilation and fine-tune air volumes.
System Maintenance: Filters
Filter Replacement and Safety
Procedure for filter change, including alarm reset and safety warnings.
System Maintenance: Components
Condensation Drain and Heat Exchanger Care
Regular checks for condensation drains and cleaning methods for heat exchangers.
Fan and Valve Servicing
Inspection and cleaning of fans and supply/extract air valves.
Service and Fault Handling
Service Agreements and Support
Arranging service agreements and contacting the service department for maintenance.
Troubleshooting Common Issues
System Operation Errors
Common causes for system stoppage, such as electrical faults or incorrect settings.
Airflow and Condensation Problems
Diagnosing and resolving issues like no supply/extract air or condensation leaks.
Electrical Diagram OPT301
Schematic and Component Mapping
Detailed schematic showing electrical connections, terminals, and components for the OPT301 model.
Cooling Circuit Diagram
Circuit Components and Airflow
Diagram illustrating the cooling circuit, airflow paths, and key components like the compressor and heat exchangers.
Genvex System Overview
Quality, Benefits, and Support
Overview of Genvex unit durability, health benefits, energy savings, and company contact information.

Table of Contents