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Installer’s Guide

 

Figure 5.  4DCZ6048 through 4DCZ6060 (2 of 3)

 

Содержание 4DCZ6036

Страница 1: ...erent hazards during installation and service the electrical supply must be disconnected and the main gas valve must be turned off If operating checks must be performed with the unit operating it is t...

Страница 2: ...ingpressureexceedsthelimitofR 22 Proper service equipment is required Failure to use proper service tools may result in equipment damage or personal injury SERVICE Use only R 410A Refrigerant and appr...

Страница 3: ...arefully before attempting to install oper ate or perform maintenance on this unit Installation and maintenance should be performed by qualified service techni cians only This unit is listed by Underw...

Страница 4: ...Guide Step 2 Determine Unit Clearances Figure 1 4DCZ6036 1 of 3 Figures 1 through 6 show the unit critical dimensions NOTE The view labeled Bottom Side represents the Base as viewed looking up from u...

Страница 5: ...Page 5 Installer s Guide Figure 2 4DCZ6036 2 of 3...

Страница 6: ...Page 6 Installer s Guide Figure 3 4DCZ6036 3 of 3...

Страница 7: ...Page 7 Installer s Guide Figure 4 4DCZ6048 through 4DCZ6060 1 of 3...

Страница 8: ...Page 8 Installer s Guide Figure 5 4DCZ6048 through 4DCZ6060 2 of 3...

Страница 9: ...Page 9 Installer s Guide Figure 6 4DCZ6048 through 4DCZ6060 3 of 3...

Страница 10: ...fer to the Installation section for instruction on converting the supply and return airflow covers to down airflow 3 The field assembled Roof Mounting Curb BAYCURB050A or BAYCURB051A or a field fabric...

Страница 11: ...clearance to combustible mate rial shall be maintained on air outlet duct Rooftop Installation Curb Mounting Convert Horizontal Airflow to Down Airflow The factory ships the unit for horizontal airflo...

Страница 12: ...he unit by attaching clevis hooks pins or bolts to the unit casing casing hardware corner lugs angles tabs or flanges Failure to observe these warnings may result in equipment damage 1 Before preparin...

Страница 13: ...r roof top applications using field fabricated ducts and sleeper rails rather than a curb or frame use the following procedure 1 Locate and secure the sleeper rails to the roof Three 3 sleeper rails a...

Страница 14: ...drawing The manufacturer is not responsible for the unauthorized use of this drawing and expressly disclaims any liability for damages resulting from such unauthorized use Gasket Seal Spreader Bars B...

Страница 15: ...rizontal Airflow Application with Frame Supply Air Return Air Roof Flashing Channel Iron Center Support Center Sup port required on all Frame Applications Angle Iron Frame Roof Flashing Return Air Ang...

Страница 16: ...ise and vibration transmission Elbows with turning vanes or splitters are recommended to minimize air noise and resistance The first elbow in the ductwork leaving the unit should be no closer than two...

Страница 17: ...making the gas pipe connection give serious consideration to providing the clearance necessary to remove the accesspanelsontheunit e g economizerandfilteraccesspanels NOTE In the absence of local cod...

Страница 18: ...chonthegasvalveinletboss connect the gas piping to the unit Check the completed piping for leaks using a soap and water solution or the equivalent 6 After installation of the gas pipe in the unit the...

Страница 19: ...Models that require 49 orifices for altitudes from 7000 8000 orifices must be changed to 50 HIGH ALTITUDE DERATE CHART NAT Altitude In Feet Inputs shown are with factory orifices 3 5 WC High Fire 1 8...

Страница 20: ...ed A brief explanation of each mode follows RESTRICTED In the restricted mode of operation an outdoor temperature sensor is used to cause the unit to operate in the heat pump mode above a selected out...

Страница 21: ...ns IMPORTANT Upon completion of wiring check all electrical connections including factory wiring within the unit Make sure all connections are tight Replace and secure all electrical box covers and ac...

Страница 22: ...Page 22 Installer s Guide Figure 22 4DCZ6 Field Wiring Diagram 4DCZ6 FIELD WIRING DIAGRAM Y2 YL RD 2NDSTAGECOMPRESSOR 1STSTAGECOMPRESSOR CONSTANTCIRCULATION...

Страница 23: ...h the compressor operating check the line voltage at the unit The voltage should be within the range shown on the unit nameplate If low voltage is encountered check the size and Step 5 Unit Startup le...

Страница 24: ...ot been purged and air is trapped in the gas line NOTE Blue smoke produced by the heat exchanger during the initial burner firing is caused by a thin film of oil on the surface of the heat exchanger T...

Страница 25: ...e After approximately 30 seconds the control energizes the indoor blower on high speed To maintain the indoor temperature at the desired setpoint the thermostat may operate the high fire gas heating c...

Страница 26: ...fter defrost terminates when the outdoor coil should be clear of frost When the measured delta T during heating operation reaches the calculated initiate delta T the demand defrost control DFC opens t...

Страница 27: ...he inside of the burners and the burner ports for deposit buildup and corrosion Wipe and brush the inside of the burner and the burner ports and then clean with a dry cloth If the deposit buildup or c...

Страница 28: ...fast flashes is 3 seconds Status LED Liteport LED IGN Diagnostic Indicators Flash Codes Figure 23 ECM Fan Control ECM Fan Motor Adjustments If the airflow needs to be increased or decreased see the A...

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