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®
CLEAN • FRESH • AIR
OPERATION AND
INSTALLATION MANUAL
NOTE: ALTHOUGH SOME MODELS
For Models:
DIFFER IN OPERATION, THE BASIC
500DCS ControlAir 15
STEPS ARE SIMILAR.
850FD/DD Analog Controls CAUTION
Before installation, careful consideration must be given to
how the system will operate if connected to any other piece
700FD/DD Analog Controls
of mechanical equipment, i.e. a forced air furnace or air
handler, operating at a higher static. After installation, the
compatibility of the two pieces o
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Table of Contents INTRODUCTION HRV - Aluminum Core Introduction .................................................................... 2 ERV Questions and Answers ......................................... 3 A Heat Recovery Ventilator (HRV) is designed to Select Correct HRV/ERV to Match Climate.....................4 provide fresh air into a building while exhausting Select the Correct Size HRV/ERV ................................ 5 an equal amount of stale air. During the winter months, the incomi
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ERV Questions & Answers What is the difference between an HRV and damp situation. In fact, about 2/3 of the energy and an ERV? used by the air conditioner system is to remove The core in an HRV (Heat Recovery Ventilator) moisture. Therefore, when ventilating in the summer, transfers heat from one air stream to the other. This is less moisture brought into the home means less work called sensible heat. The term ERV (Energy Recovery for the air conditioner, and energy savings for you. Ventilator)
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4
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Selecting the Correct Size HRV/ERV Commercial and Institutional Requirements For outdoor air requirements, ASHRAE has produced the Ventilation Standard 62-1989 that is used to determine acceptable ventilation rates. This standard is referenced directly or used as “Good Engineering Practice” in most Code documents or design criteria. Small restaurants, Donut Shops and Fast food stores Bank Seats 40 Customers 25 Employees 5 Staff 9 Total 45 Total 34 ASHRAE requirement 20 cfm (10L/s) per person AS
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Model 500DCS SPECIFICATIONS PERFORMANCE CORES AIRFLOWS (Each Air Stream) Modular (4 section) patented aluminum heat recovery cores arranged for high efficiency crossflow ventilation. 282 (600) MOTORS 235 (500) 6.3 HIGH SPEED Two PSC, 5 speed double shafted, 120 VAC, 3.15 Amps each (6.3 total 5 3.8 MED 190 (400) on high speed). HP - 1/10, 1625 RPM. Watts - total on High Speed - 610. 4 3.1 LOW 3 143 (300) FILTERS 2 1 94 (200) Washable air filters in exhaust and supply air streams. BLOWERS
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HIGH SPEED MED SPEED LOW SPEED Model 850FD/DD SPECIFICATIONS PERFORMANCE CORES Modular (6 section) patented aluminum heat recovery cores arranged for high AIRFLOWS (Each Air Stream) efficiency crossflow ventilation. 475 (1000) MOTORS 425 (900) Two PSC, 3 speed double shafted, 120 VAC, 3.95 Amps each (7.9 total on 378 (800) 7.9 HIGH high speed). HP - 1/4, 1625 RPM. Watts - total on High Speed - 848. 329 (700) 7.0 MED FILTERS 282 (600) Washable air filters in exhaust and supply air s
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Model 700FD/DD SPECIFICATIONS MODEL 700FD, 700DD PERFORMANCE CORES Modular (2 section) patented aluminum heat recovery cores AIRFLOWS (Each Air Stream) arranged for efficient cross-flow ventilation. MOTORS 423 (900) Two PSC, 3 speed single shafted, 120 VAC, 2.75 Amps each (5.5 378 (800) total on high speed). HP - 1/10, 1625 RPM. Watts - total on high 329 (700) 5.5 HIGH HIGH SPEED speed - 648. 282 (600) 5.0 MED MED SPEED FILTERS 235 (500) 4.7 LOW LOW SPEED Washable air filters in exhaust and s
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Model 1200FD/DD PERFORMANCE SPECIFICATIONS CORES AIRFLOWS (Each Air Stream) Modular (3 section) patented aluminum heat recovery cores arranged 613 (1300) for efficient cross-flow ventilation. 566 (1200) 8.1 HIGH MOTORS 518 (1100) Two PSC, 3 speed double shafted, 120 VAC, 4 Amps each (8.1 total on 7.8 MED HIGH SPEED 472 (1000) high speed). HP - 1/4, 1625 RPM. Watts - total on high speed - 972. 423 (900) FILTERS 7.1 LOW MED SPEED 378 (800) Washable air filters in exhaust and supply air stream
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® Model 500ERV CLEAN • FRESH • AIR PERFORMANCE SPECIFICATIONS AIRFLOWS (Each Air Stream) LATENT RECOVERY (MOISTURE) TRANSFER CORES Modular (4 section) 2- Enthalpic, 2 Aluminum arranged for high 282 (600) efficiency crossflow ventilation. 235 (500) 6.3 HIGH SPEED MOTORS - Two PSC, 5 speed double shafted, 120 VAC, 3.15 Amps 5 3.8 MED 190 (400) 4 each (6.3 total on high speed). HP - 1/10, 1625 RPM. Watts - total on 3.1 LOW 3 143 (300) 2 High Speed - 610. 1 94 (200) FILTERS - Washable air filter
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® Model 700ERV CLEAN • FRESH • AIR SPECIFICATIONS PERFORMANCE AIRFLOWS (Each Air Stream) LATENT RECOVERY (MOISTURE) TRANSFER CORES 423 (900) Modular (2 section) enthalpic (moisture) transfer cores arranged for efficient cross-flow ventilation. 378 (800) 329 (700) 5.5 HIGH MOTORS HIGH SPEED 282 (600) 5.0 MED Two PSC, 3 speed single shafted, 120 VAC, 2.75 Amps each MED SPEED 235 (500) 4.7 LOW (5.5 total on high speed). HP - 1/10, 1625 RPM. Watts - total LOW SPEED 190 (400) on high speed - 648.
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® Model 1200ERV CLEAN • FRESH • AIR SPECIFICATIONS PERFORMANCE LATENT RECOVERY (MOISTURE) TRANSFER CORES AIRFLOWS (Each Air Stream) Modular (3 section) latent recovery (moisture) transfer cores arranged for efficient cross-flow ventilation. 613 (1300) 566 (1200) MOTORS 8.1 HIGH 518 (1100) Two PSC, 3 speed double shafted, 120 VAC, 4 Amps each 7.8 MED HIGH SPEED 472 (1000) (8.1 total on high speed). HP - 1/4, 1625 RPM. Watts - total 423 (900) on high speed - 972. 7.1 LOW MED SPEED 378 (800)
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Location for Mounting The Ductwork System The HRV/ERV must be located in a conditioned A properly designed ducting system will allow the space where the surrounding air temperature HRV/ERV to operate at its maximum efficiency. does not fall below 60˚F (16˚C). The unit must be (Air flow will be restricted by undersized ducting, mounted level (horizontal). The warranty will be use of too many elbows, tees, bends, etc.). void if these conditions are not met. Always try to keep duct runs as short an
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Outside Weatherhoods The weatherhoods must have built-in “bird” screen with All duct joints must be fastened with screws, rivets or 1/4 in (63.5 mm) minimum mesh to prevent birds and duct sealant and wrapped with a quality duct tape to rodents from entering into the ductwork. Do not use prevent leakage. We recommend aluminum foil tape. smaller mesh as it will be very susceptible to plugging up. Gravity dampers at the vents must not be used as Stale Air Return System they will restrict air flow
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Fresh Air Supply System The Integrated HVAC System Figure A and B The fresh air supply ductwork from the HRV/ERV may be directly connected to the return air duct of the The HRV/ERV has become an integral component of forced air system. Check the air flow balance of the the HVAC system. Figure A shows an HRV/ERV unit HRV/ERV with the air handler blower both “ON” and providing fresh air directly to the return air plenum of a “OFF” to determine that it does not imbalance the rooftop heat/cool unit.
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The Integrated HVAC System ECONOMIZER ROOFTOP UNIT SUPPLY DUCT RETURN AIR DUCT or BREATHER T FRESH AIR B.D. HRV/ERV UNIT SUPPLY B.D. STALE AIR HRV/ERV FRESH EXHAUST AIR SUPPLY STALE AIR EXHAUST TO HRV/ERV Figure A Example only - Duct connections not typical ECONOMIZER ROOFTOP UNIT ROOF DECK 12" BREATHER CEILING RETURN AIR PLENUM SUPPLY DUCTWORK SPACE FRESH AIR B.D. HRV/ERV UNIT SUPPLY B.D. STALE AIR HRV/ERV FRESH STALE AIR EXHAUST EXHAUST AIR SUPPLY Example only - Duct connections not typic
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Various Installation Types NOTE: When installing your HRV/ERV Figure 7A flexible duct connectors should Saddle Installation be installed between the HRV/ERV and the galvanized duct work. Vibration Isolators
(Supplied by others) Threaded
rod and U channel
(Supplied by others) Hang unit with suspended rods
Figure 7B and "U" channel members. Curb Mounted Curb is wood or metal
May be anchored to
(Supplied by others) floor,leaving space
for drain connections
Mount unit on wooden or
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Electrical Connections accumulation. After the defrost period, the fresh air It is recommended that a licensed electrician make all supply fan automatically returns to the normal speed electrical connections. It is very important that the and fresh outside air continues to be drawn into the unit be properly grounded. It is recommended that a building. Water from the melted frost collects in the separate 15 amp/120 volt circuit be used. bottom drip pans and drains out through the bottom dra
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Speed Selection and Controls Model 700, 850 and 1200 HRV/ERV only These models are equipped with a 3 speed remote location as well as from high to low from control, low medium and high, as well as a a remote location. To wire the unit in this lighted on/off switch and a 4 screw terminal strip. configuration you would need two electrical on/off The terminal strip can be used to connect any switches to be installed at the remote location low voltage device which will then jump the unit into a dou
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ControlAir 15 OPTIONAL REMOTE CONTROLS Model 500 Only PROGRAMMABLE VENTILATION CONTROLLER (PVC) NEW! AIR SENTRY™ AIR QUALITY SENSOR LOCATION: Hallway, kitchen, office LOCATION: Kitchen, basement, & work place (connect 1/unit only) work place (connect 1/unit only). • Advanced digital remote. • Digital Air Quality Monitor.
• Digital dehumidistat. • Status light indicates fan speed. • Full fan speed control. • Increases ventilation to remove • AIR SENTRY™ Air Quality Sensor built-in. odours
