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WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. OPERATING YOUR HEAT RECOVERY VENTILATOR (HRV) WITH ONE TOUCHT CONTROL: Press “PUSH” until the desired ventilation operation is selected. There are three selections: High, Low, Intermittent. The power indicator light indicates which mode has been selected. High: This mode is recommended for the removal of excess pollutants and humidity. The ventilator will operate at its maximum speed continuously. The power indicator light will be lit red when this mode is selected. Low: This mode is recommended for normal daily operation. The ventilator will operate at its minimum speed continuously. The power indicator light will be lit yellow when this mode is selected. Intermittent: This mode is recommended when the inside air is too dry in the heating season or too humid in the cooling season. The ventilator will operate at its minimum speed for 20 minutes per hour and be off for 40 minutes per hour. The power indicator light will be lit green when this mode is selected. Off: To turn the ventilator off, press “Push” until the power indicator light is turned off. OPERATING YOUR HEAT RECOVERY VENTILATOR (HRV) WITH BASIC, STANDARD AND AUTOMATIC CONTROL Your HRV is designed to operate as an integral part of your total heating and cooling system. With the exception of high capacity models, which are available with standard controls only, all HRVs offer 4 control options (See Fig. 2). S Basic Controls:Allow the user to manually set the unit to low- - or high- --fan speed as required to maximize comfort. Controls Standard Control Automatic Control (Not compatible with the following series: HRVCCSHB and HRVCCSVB) A10003 - --Controls may be unit mounted. S Standard Controls: Offer automatic dehumidistat control and the option to select low speed or intermittent fan during heating season. S Automatic Controls: In addition to the operational features found with standard controls, automatic controls feature a recirculation mode. Not for use with forced- --air HVAC systems. Fan Speed Control — Enables user to modulate fan speed from low to high. Dehumidistat Control — Allows the user to select the relative humidity level at which the unit would change fan speed to avoid condensation problems while heating during the winter months. (See Table 1). Continuous Mode — If the relative humidity inside the building is lower than selected, air exchange would occur with the outside at low speed. If the relative humidity level inside the building is higher than selected, air exchange would occur outside at high speed. This ensures continuous air exchange for constant air quality. Intermittent Mode — If the relative humidity inside the building is lower than selected, no air exchange would occur, and the system would turn off. If the relative humidity inside the building is higher than selected, air exchange would occur with outside at high speed. This ensures minimum air exchange level when the building is unoccupied to minimize operating cost. Recirculation Mode — If the relative humidity inside the building is lower than selected, indoor air would be circulated and filtered at high speed. If the relative humidity inside the house is higher an selected, air exchange would occur with outside at high speed. This ensures continuous movement and filtration of air for maximum comfort. ! WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death. Before servicing system, always turn off main power to system. Turn off accessory heater power if applicable. There may be more than 1 disconnect switch. 2 CAUTION! CUT HAZARD Failure to follow this caution may result in personal injury. Although special care has been taken to minimize sharp edges in the construction of your unit, be extremely careful when handling parts or reaching into the unit. Wear appropriate protective clothing and gloves when working on this unit. PERFORMING ROUTINE MAINTENANCE 1. The motors are factory lubricated. Lubricating the bearings is not recommended. 2. The heat recovery coremust be handled with care. To ensure maximum efficiency of the plastic partitions wash core once a year following the season of most intense use. Allowthe heat recovery core to soak for 3 hours in a solution ofwarmwater and mild soap. Rinse under a stream ofwarm water. Hot water and strong detergent should NOT be used,as it will damage the heat recovery core. 3. A dirty air f...
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