Carrier WeatherExpert Puron 50JC04 Installation Instructions Manual Download Page 6 | Manualshive

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Fig. 2 —

50JC 04-06 Unit Dimensional Drawing (cont)

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Summary of Contents for WeatherExpert Puron 50JC04

Page 1: ...lation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the ind...

Page 2: ...e R 22 service equipment or components on R 410A refrigerant equipment WARNING PERSONAL INJURYAND ENVIRONMENTAL HAZARD Failure to follow this warning could cause personal injury or death Relieve pressure and recover all refrigerant before system repair or final unit disposal Wear safety glasses and gloves when handling refrigerants Keep torches and other ignition sources away from refriger ants an...

Page 3: ...Guard S Cu Cu Cu Cu Louvered Hail Guard Voltage 1 575 3 60 5 208 230 3 60 6 460 3 60 Design Revision Factory Design Revision Base Unit Controls 3 SystemVu Controls Standard all units Air Intake Exhaust Options A None B Temperature EconoMi er 2 w Barometric Relief F Enthalpy EconoMi er2 w Barometric Relief U Ultra Low Leak Temperature EconoMi er2 w Barometric Relief W Ultra Low Leak Enthalpy EconoM...

Page 4: ...4 Fig 2 50JC 04 06 Unit Dimensional Drawing ...

Page 5: ...5 Fig 2 50JC 04 06 Unit Dimensional Drawing cont ...

Page 6: ...6 Fig 2 50JC 04 06 Unit Dimensional Drawing cont ...

Page 7: ...8 Make electrical connections 9 Install other accessories PAD MOUNTED INSTALLATION 1 Prepare pad and unit supports 2 Check and tighten the bottom condensate drain connection plug 3 Rig and place unit 4 Convert unit to side duct connection arrangement 5 Install field fabricated ductwork at unit duct openings 6 Install outdoor air hood 7 Install condensate line trap and piping 8 Make electrical conn...

Page 8: ... ENGINEERING MANUFACTURING ENGINEERING REQUIREMENTS SIZE DRAWING NUMBER REV T 005 Y 002 DRAFTER CHECKER D 48TC400427 B WEIGHT MMC 06 17 11 SHEET 5 OF 5 SURFACE FINISH MFG PURCH MODEL INTERNAL USE ONLY NEXT DRAWING SCALE DISTRIBUTION PURCH N A MMC NOTES 1 ROOFCURB ACCESSORY IS SHIPPED DISASSEMBLED 2 INSULATED PANELS 25 4 1 THK POLYURETHANE FOAM 44 5 1 3 4 DENSITY 3 DIMENSIONS IN ARE IN MILLIMETERS ...

Page 9: ...ing unit frame as a reference See Table 2 on page 7 and Fig 5 for additional information Lifting holes are provided in base rails as shown in Fig 5 Refer to rigging instructions on unit Rigging materials under the unit cardboard or wood to prevent base pan damage must be removed PRIOR to placing the unit on the roof curb Before setting the unit onto the curb recheck gasketing on curb POSITIONING O...

Page 10: ...ld be secured to the flanges In sulate and weatherproof all external ductwork joints and roof or building openings with counter flashing and mastic in accor dance with applicable codes Do not cover or obscure visibility to the unit s informative data plate when insulating horizontal ductwork Fig 6 Horizontal Conversion Panels Fig 7 Location of Notches DETAIL A PLACE ALL SEAL STRIP IN PLACE BEFORE ...

Page 11: ...nomizer Hood Parts Location 3 Carefully lift the hood assembly with metal tray through the filter access opening and assemble per the steps out lined in the following section Economizer Hood ECONOMIZER HOOD NOTE If the power exhaust accessory is to be installed on the unit the hood shipped with the unit will not be used and must be discarded Save the aluminum filter for use in the power exhaust ho...

Page 12: ...ate pan and an alternate connection on the bot tom See Fig 15 Unit airflow configuration does not deter mine which drain connection to use Either drain connection can be used with vertical or horizontal applications Fig 15 Condensate Drain Pan Side View When using the standard side drain connection ensure that the red plug in the alternate bottom connection is tight Do this be fore setting the uni...

Page 13: ...nnect or HACR and 4 0 AWG cop per only see Fig 17 per pole on terminal or fuse blocks on units with single point box See Fig 18 and unit label diagram for field power wiring connections NOTE Unit may be equipped with short test leads pigtails on the field line connection points on contactor C or optional discon nect switch These leads are for factory run test purposes only re move and discard befo...

Page 14: ... Location Fig 20 NFD Handle and Shaft Assembly Field Install the HACR Shaft and Handle 1 Remove the control box access panel The HACR enclo sure is located below the control box see Fig 21 2 Remove 3 cap head screws that secure the HACR enclo sure 2 on the face of the cover and 1 on the left side cover See Fig 22 3 Remove the front cover of the HACR enclosure 4 Make sure the HACR shipped from the ...

Page 15: ... size NOTE Units ordered with factory installed HACR do not need an additional ground fault and short circuit over current protective device unless required by local codes All field wiring must comply with the NEC and local requirements All units except 208 230v units are factory wired for the voltage shown on the nameplate If the 208 230v unit is to be connected to a 208v power supply the control...

Page 16: ... box access panel See Fig 23 The primary leads to the convenience outlet transformer are not factory connected Selection of primary power source is a customer option If local codes permit the transformer primary leads can be connected at the line side terminals on the unit mounted non fused disconnect or HACR breaker switch this will provide service power to the unit when the unit disconnect switc...

Page 17: ... pass through the basepan The 1 2 in bulkhead connector allows the high voltage power wires to pass through the basepan See Fig 30 Fig 29 Thru the Base Fitting Assembly Shown in Shipping Position Fig 30 Thru Base Connection Fittings 1 Remove the L bracket assembly from the unit 2 Remove connector plate assembly from the L bracket and discard the L bracket but retain the washer head screws and the ...

Page 18: ...e button set point adjustment a LCD screen combination of humidity or CO2 sensing and communication tie in Space temperature can be also be written to from a building network or zoning system Figure 31 shows the wiring connections from the accessory space temperature sensors to the SystemVu MBB Fig 31 Typical Low Voltage SPT Connections Resistive Non Communicating Sensor Wiring For sensor with set...

Page 19: ...r there is a space call for heat energizing the W1 terminal The accessory thermostats listed on the unit price pages can provide this signal but they are not configured to enable this signal as shipped Install the accessory thermostat according to installation in structions included with the accessory Fig 34 Typical Rnet Communication Sensor Wiring Locate the thermostat accessory on a solid wall i...

Page 20: ...ntrol contact closes on rise in space RH above control setpoint See Fig 37 The humidistat is normally used in applications where a tem perature control is already provided units with SystemVu control Fig 37 Accessory Field Installed Humidistat Connecting the Carrier Humidistat HL38MG029 1 Route the humidistat 2 conductor cable field supplied through the hole provided in the unit corner post 2 Feed...

Page 21: ...e field installed electric heat accessory All fuses on 50JC units are 60 A Note that all heaters are qualified for use with a 60 A fuse regardless of actual heater ampacity so only 60 A fuses are necessary Fig 42 Typical Single Point Installation Low Voltage Control Connections Pull the low voltage control leads from the heater module VIO and BRN two of each if a two circuit heater module is in st...

Page 22: ...22 Fig 44 Typical 50JC 04 06 Control Wiring Diagram ...

Page 23: ...23 Fig 45 Typical 50JC 04 06 Power Wiring Diagram 208 230 460V Unit Shown ...

Page 24: ... to the 48 50JC Series Single Package Rooftop Units with SystemVu Controller Controls Start up Operation and Troubleshooting manual Controller Options LOW AMBIENT Refer to the 48 58JC 04 06 Single Package Rooftop Units with SystemVu Controller Controls Start up Operation and Trou bleshooting manual for details on adjusting Cooling Lock Out setting and configure for the specific job requirements ...

Page 25: ... that the elbow fitting is pointing down See Fig 48 Step 2 3 Screw the sensor and detector plate into its operating posi tion using screws from Step 1 See Fig 48 Step 3 4 Connect the flexible tube on the sampling inlet to the sam pling tube on the basepan Additional Application Data Refer to the application data document Factory Installed Smoke Detectors for Small and Medium Rooftop Units 2 to 25 ...

Page 26: ...ght UNIT CONFIGURATIONS then press ENTER 7 Highlight INDOOR FAN and then press ENTER 8 Refer to the job specifications to set the following deter mining the values per the RPM Calculator label see Fig 49 Use the UP and DOWN arrow keys and the BACK key to set the values Press ENTER after setting each value to continue to the next selection IDF VENT SPD IDF HEAT SPD IDF LOW COOL SPD IDF HIGH SPD IDF...

Page 27: ...Y N _____ Verify that all electrical connections and terminals are tight Y N _____ Check that indoor air filters are clean and in place Y N _____ Check that outdoor air inlet screens are in place Y N _____ Verify that unit is level Y N _____ Verify that fan assembly is free of obstructions and rotor spins freely Y N _____ Verify that scroll compressors are rotating in the correct direction Y N ___...

Page 28: ...tlet or reheat coil _______________ F E Confirm correct rotation for compressor Y N _____ F Check for correct ramp up of outdoor fan motor as condenser coil warms Y N _____ 3 Switch unit to high latent mode sub cooler by closing humidistat with Y1 closed Y N _____ 4 Check unit charge per charging chart Y N _____ OBSERVE A Reduction in suction pressure 5 to 7 psi expected Y N _____ B Discharge pres...

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