AprilAire 1850w - Manuals

HARD WIRING WARNING ElECTRICAl SHOCK HAZARD: 115-volts may cause serious injury or death from electrical shock. Disconnect and tag electrical service before starting installation or field-service. Leave electrical service disconnected until installation or field-service is complete. ElECTRICAl SHOCK...

LINE VOLTAGE NEUTRAL GROUND 115V AC WIRING TERMINALS GROUND LUG FITTING AS REQUIRED LINE SERVICE CABLE/CONDUIT ELECTRICAL SERVICE BOX SIDE PANEL ELECTRICAL SERVICE BOX POWER CORD STRAIN RELIEF fIGURE 6 – Electrical Service box location fIGURE 7 – Hard Wire to 115 VAC Service 90-1900 90-1902 HARD WIR...

lOCATION CONSIDERATIONS TOP VIEW FILTER MINIMUM CLEARANCE FOR FILTER (EITHER SIDE) 13" 6" MINIMUM CLEARANCE FOR PROPER AIR FLOW ELECTRICAL SERVICE ACCESS THIS SIDE 6 FT. POWER CORD fIGURE 8 – filter Access Clearance 90-1840 • Allow sufficient clearance for filter removal and to prevent airfl...

0.38" MIN 2.00" MAX 3/4” DRAIN FLOA T Switch DH DH NORMALLY CLOSED FLOAT SWITCH DRAIN INSTAllATION lEVElING CONDENSATE PAN, CONDENSATE PUMP AND flOAT SWITCH The feet can be adjusted to level the unit, and if required, to accommodate drain fittings and a secondary condensate pan . Leveling is...

DUCTING TO HVAC SySTEM – bASEMENT AND ATTIC INSTAllATIONS The Preferred Installation is to duct the dehumidifier to pull air from and return dehumidified air to the HVAC return duct . This installation will ensure warm, dehumidified air is thoroughly mixed with the HVAC system air before being disch...

HVAC Model 1830 0.4” w.c. MAX Model 1850(W) 0.6” w.c. MAX HVAC DUCTING TO HVAC SySTEM – ClOSET INSTAllATIONS The dehumidifier in these applications is typically installed under or next to the HVAC equipment . In both types of installation, the dehumidifier inlet is not ducted and pulls from the livi...

TO / FROM SECONDARY ZONE SUPPLY DUCT RETURN DUCT NORMALLY CLOSED DAMPER NORMALLY CLOSED DAMPER SUPPLY TO PRIMARY ZONE RETURN FROM PRIMARY ZONE NORMALLY OPEN DAMPER NORMALLY OPEN DAMPER 6 ft MIN TO / FROM PRIMARY ZONE SUPPLY DUCT RETURN DUCT NORMALLY OPEN DAMPER NORMALLY OPEN DAMPER SUPPLY TO SECONDA...

+ - A B ODT Sensor Remote GhRfCf Gs Y W HV AC EQUIP . MODEL 76 CONTROL FLOA T Switch DH DH VENT DEH Dampers NC NO NO/NC SWITCH DH DH R/+ C/- B A MODEl 76 – EXTERNAl CONTROl OR CRAWl SPACE / SEAlED ATTIC CONTROl AND WIRING NOTE: Use 18-22 AWG wire for control wiring . fIGURE 20 – Model 76 External Co...

WIRING TO THE HVAC SySTEM WIRING TO ZONE DAMPERS When the dehumidifier is ducted to the HVAC system, it is recommended that it also be wired to the HVAC system as shown in figure 22 . If ducted to the HVAC system in return to return configuration, the dehumidifier must be wired to the HVAC system to...

START UP AND SEQUENCE Of OPERATION SINGlE ZONE WHOlE HOUSE OR STAND AlONE USING THE DEHUMIDIfIER CONTROl SINGlE ZONE WHOlE HOUSE OR STAND AlONE USING MODEl 76 EXTERNAl CONTROl CRAWl SPACE OR SEAlED ATTIC (REMOTE) CONTROl USING MODEl 76 TWO ZONE – PRIMARy AND SECONDARy 1 . Press the ON/OFF button to ...

VENTIlATION The dehumidifier can activate a normally closed damper to bring in outdoor air through a fresh air intake duct . This feature can not be used when a Model 76 has been installed in a Remote Control application, and is not recommended for two-zone installations . Required Components Option...

VENTIlATION (CONTINUED) VENT-AUTO & VENT-TIMED OUTDOOR TEMPERATURE SENSOR INSTAllATION The dehumidifier can ventilate in four modes. Vent-Timed: Ventilation occurs based only on time setting; no temperature restrictions . Vent-Auto-B: Ventilation prevented when outdoor temperature is below 0°F a...

DETERMINE fRESH AIR DElIVERy RATE 1 . Measure the negative static pressure of the return system at the location where the fresh air intake duct enters the return duct or dehumidifier inlet . 2 . See Table 2 for estimated inlet airflow in CFM, based on duct type, length and available negative pressur...

TAblE 3 – Cycle Time Setting (minutes) for Airflow Delivered vs. Airflow Required for 1 hour Cycle CfM Delivered CfM Required 20 30 40 50 60 70 80 90 100 60 20 30 40 50 60 70 80 90 100 80 15 25 30 40 45 55 60 70 75 100 15 20 25 30 35 40 50 55 60 120 10 15 20 25 30 35 40 45 50 140 10 15 15 20 25 30 3...

SEQUENCE Of OPERATION When wired as shown in figure 26 , the ventilation damper will open whenever there is an HVAC heating (W), cooling (Y) or fan (Gs) call, allowing fresh air to be brought in when the HVAC blower is running (see VENTILATION WITH AN EXTERNAL CONTROL section below for exceptions). ...

TROUblESHOOTING Technical Support is available Monday through Friday, 7:00 a .m . to 5:00 p .m . CST, at (800) 334-6011 . Use the guides on the following pages to identify and correct system faults . Contact Technical Support before replacing the unit or any components and for additional troubleshoo...

TAblE 5 – Troubleshooting Guide Symptom Possible Reason Troubleshooting Procedure Dehumidifier does not turn on/run . No power to unit . • Check that the dehumidifier is plugged in.• Check that the power switch is turned ON.• Check that the control is turned ON.• Check that the circuit breaker has n...

SERVICE PARTS 8 7 3 4 5 9 1 6 2 13 10 18 11 14 17 19 16 12 15 No. Part Description Part No. 1 Filter, 10” x 12” x 1” EZK 5443 2 Internal Control Board, Deh 5444 3 User Interface Assembly, Deh 5445 4 Wiring Access Door, AA Deh 5446 5 Hole Cover, UI Ctrl, Deh 5447 6 Door, Filter Access, AA Deh 5448 7 ...