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FLEX ® 100H ES• VHR 100R ES
Heat Recovery Ventilators
Your ventilation system should be installed in conformance with the appropriate provincial requirements or, in the absence of
such requirements, with the current edition of the National Building Code, and / or ASHRAE's "Good Engineering Practices".
United States
10048 Industrial Blvd., Lenexa, KS, 66215
Tel.: 800.747.1762 • Fax: 800.487.9915
Canada
50 Kanalflakt Way, Bouctouche, NB, E4S 3M5
Tel.: 800.565.3548 • Fax: 877.747.8116
Fantech reserves the right to modify, at any time and without notice, any or all of its products' features, designs,
components and specifications to maintain their technological leadership position.
Please visit our website www.fantech.net for more detailed technical information.
Installation Manual
Item #: 427420
Rev Date: 2018-06-07
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Related Manuals for SystemAir fantech FLEX VHR 100R ES
Summary of Contents for SystemAir fantech FLEX VHR 100R ES
- Page 1 Item #: 427420 Rev Date: 2018-06-07 Installation Manual FLEX ® 100H ES• VHR 100R ES Heat Recovery Ventilators Your ventilation system should be installed in conformance with the appropriate provincial requirements or, in the absence of such requirements, with the current edition of the National Building Code, and / or ASHRAE’s “Good Engineering Practices”. United States 10048 Industrial Blvd., Lenexa, KS, 66215 Tel.: 800.747.1762 •...
- Page 2 Note Warning/ Information Technical Practical tip Important information note PLEASE READ AND SAVE THESE INSTRUCTIONS For residential use only Before installation careful consideration must be given to how this system will operate if connected to any other piece of mechanical equipment, i.e. a forced air furnace or air handler operating at a higher static pressure.
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Page 3: Table Of Contents
TABLE OF CONTENTS DETERMINING YOUR AIRFLOW REQUIREMENT ........... . . 4 INSTALLATION EXAMPLES Fully dedicated system . -
Page 4: Determining Your Airflow Requirement
DETERMINING YOUR AIRFLOW REQUIREMENT Room Count Method Room classification Number of rooms CFM (L/s) CFM Required Master bedroom x 10 L/s (20 CFM) if yes add 10 L/s (20 CFM) Basement yes or no if no = 0 Bedrooms x 5 L/s (10 CFM) Living room x 5 L/s (10 CFM) Others... -
Page 5: Installation Examples
INSTALLATION EXAMPLES Suggested installation for: Example only – duct configuration may differ depending on the model. • Hydronic baseboard • In oor heating • Electric baseboard • Mini split heat pump Bene ts: Provides the best FULLY DEDICATED SYSTEM fresh air distribution in the BEST FOR NEW CONSTRUCTION house;... -
Page 6: Partially Dedicated System
INSTALLATION EXAMPLES (CONT'D) Suggested installation for: • Central furnace (air DIRECT CONNECTION of the FRESH air to living area to the RETURN PLENUM handling unit or central of the AIR HANDLER (Stale air drawn from key areas of home) air conditioners) •... -
Page 7: Simplified Installation
INSTALLATION EXAMPLES (CONT'D) DIRECT CONNECTION of both the HRV SUPPLY AIR STREAM and EXHAUST AIR STREAM Suggested installation for: to the FURNACE COLD AIR RETURN • When bathroom and kitchen already have local exhaust system • May be suitable for retro tting SIMPLIFIED INSTALLATION Bene ts: Least expensive... -
Page 8: Exterior Ducting Installation
EXTERIOR DUCTING INSTALLATION WEATHERHOOD LOCATION OUTSIDE CORNER INSIDE CORNER • Decide where your intake and exhaust hoods will be located. 36" (1m) 36” (1m) Locating the Intake Weatherhood • Should be located upstream (if there are prevailing winds) from the 3' (900mm) exhaust outlet. -
Page 9: Interior Ducting Installation
INTERIOR DUCTING INSTALLATION • To maximize airflow through the ductwork system, all ducts should be kept short and have as few bends or elbows as possible. • 45º elbows are preferable to 90º. • Use “Y“ ducts instead of “T” ducts whenever possible. •... -
Page 10: Hrv Installation
HRV INSTALLATION LOCATION The HRV must be located in a conditioned space where it will be possible to conveniently service the unit. Typically the HRV would be located in the mechanical room or an area close to the outside wall where the weatherhoods will be mounted. - Page 11 Mounting- Chain mount Optional 1 Place fastening hooks on the 2 Attach a hanging chain (pro- 3 Hang the unit by slipping a link 4 Install a spring on each chain. strapping board or the oor vided) to each 19 mm (3/4") onto the hanging hooks, making Hook the spring in the links so joists.
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Page 12: Airflow Adjustment & Balancing
AIRFLOW ADJUSTMENT & BALANCING BALANCING THE AIRFLOWS IS CRUCIAL TO ENSURE OPTIMAL OPERATION OF THE UNIT. IF THE AIRFLOW IS NOT PROPERLY BALANCED, THE FOLLOWING ISSUES MAY OCCUR: • SIGNIFICANT POSITIVE OR NEGATIVE PRESSURE INSIDE THE HOUSE • UNIT’S EFFICIENCY MAY BE NEGATIVELY AFFECTED •... -
Page 13: Balancing Steps
BALANCING STEPS Use balancing chart located on the BALANCING CHART (example only) door of the HRV. For the extended Air ow Normal Speed Reduced Speed chart of the VHR100R ES refer to page 42. ∆In W.G. ∆In W.G. ∆Pa ∆Pa Pressure reading Pressure reading 0.36... -
Page 14: Low Voltage Control Systems
Low Voltage Control Systems * Please see instruction manuals for individual controls for proper wiring and set up of control systems. CENTRAL CONTROLS These control options can only be used individually Ensure that unit is not CONTROLS FEATURES CONNECT TO plugged when connecting ECO-Touch®... - Page 15 WIRING DIAGRAM – FLEX100H ES If the first set of digits (can be between 7 and 10 digits long) of your serial number is #3052050 or lower, contact Customer Service for the Wiring Diagram. HIGH...
- Page 16 If the first set of digits (can be between 7 and 10 digits WIRING DIAGRAM – VHR100R ES long) of your serial number is #3052081 or lower, contact Customer Service for the Wiring Diagram. HIGH...
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Page 17: Wiring Diagram
WIRING DIAGRAM (CONT'D) WIRING DIAGRAM TO Standard Accessory Control Contact Standard Furnace Interlock Wiring FURNACE THERMOSTAT TERMINALS FOUR WIRE TWO WIRE heating only FOR A FURNACE CONNECTION TO A COOLING SYSTEM: On some newer furnaces and older FURNACE thermostats, energizing the R and 24-VOLT TERMINAL BLOCK G terminal at the furnace has the... -
Page 18: Troubleshooting
TROUBLESHOOTING Problem Causes Solutions Air is too dry Dehumidistat control is set too low Increase the desired level of humidity. Change ventilation mode from continuous mode to standby. HRV out of balance Have contractor balance HRV air ows Air is too humid Dehumidistat control is set too high Reduce the desired level of humidity. -
Page 19: Hrv Maintenance Chart
HRV MAINTENANCE CHART Limited Warranty • The Heat recovery aluminum core has a Limited Lifetime Warranty. Maintenance Required Recommended Frequency Date Maintenance Performed Check and Clean Filters Every 3 months or if • The warranty is limited to 5 years on parts and 7 years on fans from the dirty date of purchase, including parts... - Page 20 NOTES...
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Page 21: Flex100H Es
No. d'article #: 427420 Date de révision: 2018-6-07 Manuel d'installation FLEX ® 100H ES •VHR 100R ES Ventilateur récupérateur de chaleur Votre système de ventilation doit être installé conformément aux exigences de la province où vous habitez ou, à défaut de telles exigences, conformément à...