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Summary of Contents for Oxygen 8 SERENA
- Page 1 INSTALLATION & OPERATION MANUAL SERENA ERV...
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Page 3: Table Of Contents
Table of Contents 1.0 Safety Instructions 2.0 Components 3.0 Wiring Diagrams & Airflows 3.1 Furnace/Fan Coil/Heat Pump Interlock 3.2 Airflow for Different Knob Positions 4.0 ERV Operational Modes 5.0 Timer Switch & Intermittent Switch 7.0 ERV Typical Installations 6.1 Horizontal and Vertical Installations 6.2 Typical Installations of Single Vents and Access Door 7.0 Airflow Balancing 7.1 Balancing Procedure... -
Page 4: Safety Instructions
Installation Manual Serena Series 1.0 Safety Instructions READ AND SAVE THESE INSTRUCTIONS Caution Warning Turn the unit OFF during construction or repair to avoid To reduce the risk of fire, electric shock or injury, observe filter blockage. the following: Exhaust air outside - Do not intake/exhaust air into Read all instructions carefully before installation, spaces within walls, crawl spaces, garage or into attics. -
Page 5: Components
Installation Manual Serena Series 2.0 Components Description Part No. Qty. Description Part No. Qty. ERV - Lid, Pan Assembly 9391 Safety Switch 9322 Polypropylene Collar 6" Dia. PBD6C Main Control Board (ECM) 9356 ECM Enthalpy Core 9394 Main Control Board Bracket 9355 Filter 10½"... -
Page 6: Wiring Diagrams & Airflows
Installation Manual Serena Series 3.0 Wiring Diagrams & Airflows Control Board Optional Accessories (Not Supplied) a. Time Switch (TC100) b. Wall Switch c. Dehumidistat d. Time Delay Switch (TC100-120 & TC100-120P) e. Master On/Off Switch for ERV f. Light g. Intermittent Switch... -
Page 7: Furnace/Fan Coil/Heat Pump Interlock
Installation Manual Serena Series 3.1 Furnace/Fan Coil/Heat Pump Interlock THERMOSTAT TERMINALS Warning FOUR WIRE TWO WIRE Never connect a 120 volt AC circuit to the terminals of the furnace/fain-coil/heat pump interlock (Standard Wiring). Only use the heating only low voltage class 2 circuit. - Page 8 Installation Manual Serena Series 3.2 Airflow (CFM) Chart for Different Knob Positions Knob Position Knob Position Knob Position Knob Position S.P. (in.wg) V.P. (in.wg) V.P. (in.wg) V.P. (in.wg) V.P. (in.wg) 0.03 29.5 0.03 0.08 0.13 0.01 20.0 0.02 0.07 0.11 0.01...
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Page 9: Erv Operational Modes
Installation Manual Serena Series 4.0 ERV Operational Modes Functionality Off Mode ERV fans are off. Defrost damper is closed (if equipped) to prevent cold air from entering the unit. Normal Mode In Normal mode ERV fans run and the unit exchanges indoor air with outdoor air. The airflow exchange can be adjusted in four preset airflow values. -
Page 10: Timer Switch & Intermittent Switch
Installation Manual Serena Series 5.0 Timer Switch & Intermittent Switch (Optional) Timer Switch Intermittent Switch Timer Switch Timer Switch (Programmable) Model #TC100-5V Model # IC-100-5V Model #TC-100-120 Model #TC-100-120P (5 VDC) (5 VDC) (120 VDC) (120 VDC) 1. TC100-5V The Timer Switch Unit consists of 3 LEDs and 1 push button. The Timer Switch Unit can put the unit into High Speed Mode for the set time on the Timer Switch (20 min, 40 min, 60 min). -
Page 11: Erv Typical Installations
Installation Manual Serena Series 6.0 ERV Typical Installations 6.1 Horizontal and Vertical Installations 30" clearance (300 cfm) and 34" clearance (500 cfm) is recommended for cleaning of the core and servicing the unit. Dampers are installed for horizontal installation. For vertical installation, both dampers must be turned so they can open and close properly when there is any backdraft. -
Page 12: Typical Installations Of Single Vents And Access Door
Installation Manual Serena Series 6.2 Typical Installations of Single Vents and Access Door Intake Exhaust Notes Fresh air intake and supply duct must be totally insulated. The Exhaust duct must be 5' insulated from the wall. In colder climates, it is recommended to insulate all exhaust and supply ducts. -
Page 13: Airflow Balancing
Installation Manual Serena Series 7.0 Air Flow Balancing 7.1 Balancing Procedure It is required to have balanced airflows in an ERV. The volume of air brought in from the outside must equal the volume of air exhausted by the unit while running at a normal speed. If the airflows are not properly balanced, then: The ERV may not function at its maximum efficiency. -
Page 14: Airflow Balancing In Duct
Installation Manual Serena Series 7.3 Airflow Balancing in Duct Notes: Duct Diam. Cross Sect. Area ∆P" For balancing, the extension box cover plate is provided 6" 0.196 sq. ft. 6" 7" with 3 holes on the supply side and 3 holes on the exhaust 7"... -
Page 15: Maintenance
Installation Manual Serena Series 8.0 Maintenance 8.1 Regular Maintenance Turn off the unit and disconnect the power supply. Warning Unlatch the door and lift the door panel towards you, hold it firmly and slide it to the left. Do not use a cleaning solution... -
Page 16: Troubleshooting
Installation Manual Serena Series 9.0 Troubleshooting Problems Possible Causes Solution Airflow is too low ERV airflow is improperly balanced (for units Have professional balancer or contractor without built-in Automatic Electronic Air balance the unit Balancing) Remove and clean filter Filter clogged... - Page 17 Installation Manual Serena Series 10. LEDs on the Main Control Board and Replace the temperature sensor the remote wall mount Timer Switch flashes: 0.5 seconds On / 0.5 seconds Off / 0.5 seconds On / 0.5 seconds Off / 0.5 seconds On / 0.5 seconds Off / 0.5 seconds On / 0.5 seconds Off /...
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