Carrier HRVCCSVU User's Information Manual

Also see for HRVCCLHU: Installation, start-up, and operating instructions Product data

Carrier HRVCCSVU User's Information Manual Manual pdf 1 page image

User's Intbrmation Manual for the Operation andMaintenance of Heat Recovery VentilatorsOFF LO,_ XlGHP.RRET BAS_ HAUIE% O HU_,_IIDIIE RE_I1V£ HUMIOW¢% HUM RE_I1VI: HLIM EX_ Ti_ EXT© ©AIA EXCHANG£ ONECHANGE O AIR MARCHEOFF LOW_NTERMITrENT% D'HUMIDmE RELATIVE H UMIOI'P¢Basic Control Standard Control Automatic ControlFig. 1 -- Controls AO0030OPERATING YOUR HEAT RECOVERY VENTILATOR (HRV)Your HRV is designed to operate as an integral part of your total heating and cooling system. With the exception of high capacitymodels, which are available with standard controls only, all HRVs offer 3 control options (See Fig. 1 .):• Basic Controls: Allow the user to manually set the unit to low- or high-fan speed as required to maximize comfort. Controls maybe unit mounted.• Standard Controls: Offer automatic dehumidistat control and the option to select low speed or intermittent fan during heating season.• Automatic Controls: In addition to the operational features found with standard controls, automatic controls feature a recircula-tion 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 avoidcondensation problems while heating during the winter months.TABLE 1 -- HUMIDITY SETTINGS*C100-10-20-30OUTSIDE TEMPERATURE*F503214-4-22DOUBLE-PANE WINDOWS(PERCENTAGE)5545353025TRIPLE-PANE WINDOWS(PERCENTAGE)6555454035Continuous Mode--If the relative humidity inside the building is lower than selected, air exchange would occur with the outsideat low speed. If the relative humidity level inside the building is higher than selected, air exchange would occur outside at highspeed. 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 sys-tem would turn off. If the relative humidity inside the building is higher than selected, air exchange would occur with outside athigh speed. This ensures minimum air exchange level when the building is unoccupied to minimize operating cost.Reeirculation Mode---If the relative humidity inside the building is lower than selected, indoor air would be circulated and filteredat high speed. If the relative humidity inside the house is higher than selected, air exchange would occur with outside at high speed.This ensures continuous movement and filtration of air for maximum comfort.

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