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Фрагмент инструкции
17 AUX Auxiliary (two terminals) 24 Vac dry contacts allow W8150 to control an auxiliary device, such as exhaust fan or HRV/ERV, with a call for ventilation. 18 DAMPER Damper (two terminals) 24 Vac powered contacts control fresh air damper. 19 XFMR C 24 Vac ventilation control common Supplies power to W8150 and damper from transformer provided. 20 XFMR R 24 Vac ventilation control power Supplies power to W8150 and damper from transformer provided. INSTALLATION A fresh air duct and damper must be installed between the outdoors and the return side of the HVAC equipment. The W8150 control will be mounted near the HVAC system and wired between the thermostat and the fan control. You will need… • W8150 Fresh Air Ventilation Control. • damper. • transformer. • insulated ductwork. • outdoor weather hood. • starting collar. • access to 120 Vac power. • airflow measuring tool. TIPS: • To meet ASHRAE 62.2-2010, system must have at least a MERV 6 filter installed. • In cold climates, balanced ventilation is recommended. An exhaust fan or heat recovery ventilator can be used. • Humid climates may require additional dehumidification equipment. Choosing a location… When choosing locations for equipment, duct connections, and fresh air intake, be sure to consult local code requirements. Device Number Component Location 1 Fresh air intake Install away from known sources of pollutants such as auto exhaust, dryer vent exhaust or chimney smoke. 2 Fresh air duct Install between weather hood and upstream of equipment filter and downstream of any duct-mounted sensor. 3 Damper Install damper in fresh air duct, where convenient. Optionally, install heat recovery ventilator. 4 Control Locate the control for convenient access and for easy wire routing. 5 Transformer Locate where convenient for line voltage connection. 6 Filter Locate filter downstream of fresh air intake. 1 2 1 3 TYPICAL ATTIC INSTALLATION TYPICAL BASEMENT INSTALLATION TYPICAL HRV/ERV INSTALLATION 3 2 HRV/ERV 6 66 4 4 5 21 3 Ventilation Control VentilationContro l Auto Continuous (Remote Only) 4 M19993 68-0282—07 4 Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL 1. Disconnect power from HVAC system. 2. Install the weather hood, ducting, and damper following local practices. Be sure all duct and insulation seams are tightly sealed. 3. Mount the transformer and control. TIPS: • In general, larger ducting allows higher airflow, minimizes additional fan run time and may be needed for larger homes. • Installing a damper directly to the return duct may be convenient to support the damper and reduce ducting. • Fresh air connection should be downstream of sensors (such as a humidistat) in return air plenum. • The EARD6 end stops can be used to reduce the amount of airflow in the duct. To prevent complete opening, loosen (but do not remove) the wing nut and move the upper lever until the desired position is reached. Tighten the wing nut. Keep the lower lever in the position shown. UPPER LEVER WING NUT LOWER LEVER M20155 Wiring the control… CAUTION Electrical Hazard. Can cause personal injury or equipment damage. Disconnect power to all systems before beginning installation. 1. Wire the control. See wiring diagrams in Fig. 1-10 as listed below. All wiring must comply with local codes, ordinances, and regulations. 2. Reapply power to system and control. TIP: • Control package allows wire routing through side slots and bottom openings. System Hookup Diagrams Fig. No. Page No. Single transformer, conventional 1 10 Dual transformer, conventional 2 10 Multi-stage, conventional 3 10 Heat pump without emergency heat 4 10 Heat pump with emergency heat 5 11 Accessory Hookup Diagrams Fig. No. Page No. Wiring with a PC8900 Thermostat 6 11 Wiring with a remote switch/timer 7 11 Wiring to an HRV/ERV 8 11 Wiring an exhaust fan 9 11 Wiring a fan for a steam humidifier 10 12 5 68-0282—07 Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL 1. Make sure all HVAC system air filters are clean and installed. 2. Push Test button: • Control opens damper and turns on HVAC fan for three minutes. • A red or green light is flashing; you can now measure airflow. 3. Follow instrument instructions for measuring airflow. TIPS: • You can exit the test mode at any time by pressing the test button again. • See Conversion Table (located after wiring diagrams) for quick area and airflow setting conversions. • For future reference, record the air flow on the inside of the device cover. • Pitot Tubes and flow measuring stations are commonly used airflow measuring devices. About the control settings… Dial Settings These settings allow the installer to customize the control to meet the ventilation requirements for the home. Ventilation Standard Building codes are different everywhere. The W8150 Ventilation Control can be configure...
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