Carrier HRVCCLHA Installation Instructions Manual

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Contents

6Table 3 – Standard ControlMODE DEHUMIDISTATPOSITION OPERATION DAMPERPOSITION FAN SPEED ON LED AIR EXCHANGELEDOff Any Off Closed to outside Off Off OffLow SatisfiedAir exchange withoutside Open to outsideLowOnOffCall for dehumidification OnIntermittent Satisfied High OffCall for dehumidification OnTable 4 – Automatic ControlMODE DEHUMIDISTATPOSITION OPERATION DAMPERPOSITIONFANSPEED INDICATOR LEDSOff Any Off Closed to outside Off OffIntermittent SatisfiedAir exchange with outside Open to outsideOff Intermittent ONCall for dehumidification High Intermittent and Exchange ONContinuous Satisfied Low Continuous and Exchange ONCall for dehumidification HighRecirculation Satisfied Recirculation Closed to outside High Recirculation ONCall for dehumidification Air exchange with outside Open to outside High Recirculation and Exchange ONAny Any Any Any Maintenance (open door)NOTE: This control is designed to be used primarily withinstallations which are independent of a forced air system.1. Initially the switch is off. All LEDs are off and HRV isinoperative2. First push of mode button puts HRV into intermittent mode.The HRV operates at high speed when there is a call fordehumidification. Intermittent and exchange LEDs areilluminated. When dehumidistat is satisfied, HRV shutsdown and exchange LED goes out.3. Next push of mode button puts system in continuous mode.Continuous and exchange LEDs remain on. The HRVoperates at high--speed blower during calls fordehumidification and low--speed when dehumidistat issatisfied.4. Next push of mode button and exchange puts system incirculation mode. HRV operates in high speed at all times.Circulation LED remains on. When there is a call fordehumidification, exchange LED is on and HRV exchangesair with outside. When dehumidistat is satisfied, HRVdampers close which recirculates indoor air. The exchangeLED goes off.5. The maintenance light illuminates every 3 months toindicate filter should be cleaned. It is reset by opening thedoor to the HRV.NOTE: The standard and automatic controls sense humidity nottemperature. Either control must be located in an area where it willcontinually monitor fresh air circulating within the home. InstallHRV wall control as close as possible to main system thermostatand follow same guidelines as installing a thermostat, (locateapproximately 5 ft. (1.5 m) above floor, mount on an insidepartitioning wall, etc.).NOTE: The HRV may be controlled using the Infinity SystemControl. The HRV may be connected using either a NIM or a4--Zone Damper Module. See the appropriate instructions if usingthe NIM of a 4--Zone Damper Module for connection instructions.Blower interlock relay is not needed for use with the Infinitysystem control. The Infinity System Control will simultaneouslycontrol the HRV and the indoor blower.Push Button Timers may be used and are connected to the HRV asshown in Fig. 12. However, the Infinity system should be set tocontinuous fan to ensure that the fresh air is circulated in the home.In a Zoned System, at least one zone should be set to continuousfan.345IOCOLYELLOWBLACKREDELECTRONIC CONTROLBOARDBACK OF PUSH BUTTON SWITCHJ3J1678941 752 863 9BLACK – (J3- 4)COMMONTERMINALSTRIPYELLOW – (J3- 3)INDICATORTERMINAL STRIPRED – (J3- 5)SWITCHTERMINAL STRIPBLACK – COMMON, (J3--4)YELLOW – INDICATOR, (J3--3)THE WIRES FROM THE SWITCHRED – SWITCH, (J3--5)(OC)(I)(OL)(OPTIONAL)60 MINUTE TIMER (OPTIONAL)PUSH BUTTON SWITCHES(5 SWITCHES MAXIMUM)A98386Fig. 12 -- Push Button Timer Wiring LayoutOPERATING THE HRV WITH THEINFINITY CONTROLThe ventilator has four settings in heating mode and three settingsin cooling mode.Heating:AUTO -- the ventilator selects the speed based on indoor humidityand outdoor temperature. It may cycle on/off every 30 minutesdepending on humidity and outside temperature.LOW -- low speed all of the time.HIGH -- high speed all of the time.DEHUM -- will only turn on if humidity is 3% over setpoint. Thespeed is determined by indoor humidity and outdoor temperature.HRV