Carrier 50HE003-006- User Manual

Carrier 50HE003-006

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Table of Contents:

  • Page 2 – Field Fabricate Ductwork; Do not connect ductwork to unit.; Install External Trap for
  • Page 3 – Roof Curb Details
  • Page 4 – Rig and Place Unit; WARNING; Positioning; Do not install unit in an indoor location; MAXIMUM ALLOWABLE; Condensate Drain Connection; NOTE: Trap should be deep enough to offset maximum unit static; Condensate Drain Piping Details
  • Page 5 – Rigging Details; Failure to follow this warning could result in personal
  • Page 8 – must; NOT USED
  • Page 9 – Table 1—Physical Data 50HJ
  • Page 10 – Table 2—Physical Data 50HE
  • Page 11 – COMP —; IFC; TB; Power Wiring Connections; Field Control Wiring Raceway
  • Page 30 – Adaptive Dehumidification System; CB; Adaptive Dehumidification System with Thermidistat Device; Damper Installed
  • Page 33 – PremierLink; Typical PremierLink Control Wiring
  • Page 35 – Hood; Hood Box Removal
  • Page 37 – RUN; EconoMi$er2 with 4 to 20 mA Control Wiring; For enthalpy control, accessory enthalpy sensor (part number
  • Page 39 – O x; OA
  • Page 40 – Enthalpy Changeover Set Points
  • Page 42 – ppm —; Adaptive Dehumidification System Static Pressure Drop (in. wg)
  • Page 43 – Table 11—Evaporator-Fan Motor Data — Standard Motor; Bhp —
  • Page 44 – FIOP; Table 14 — Evaporator-Fan Motor Efficiency; watts input x motor efficiency; GENERAL FAN PERFORMANCE NOTES; See Table 11 and 12 on this page for additional information.
  • Page 47 – Bold cells; Bhp; Watts
  • Page 60 – Routine 3; NOTE: PremierLink control performs smart staging of 2 stages of DX; DX Cooling Temperature
  • Page 62 – SERVICE
  • Page 63 – OAT; UNIT
  • Page 64 – Low Charge Cooling; sensing device are required. Connect the pressure gauge to the; alone. The charge for units with this option is indicated on the; Cooling Charging Chart,
  • Page 67 – TROUBLESHOOTING
  • Page 69 – Table 36—Cooling Service Analysis
  • Page 71 – EconoMi$er IV Functional View
  • Page 72 – I. PRELIMINARY INFORMATION; ELECTRICAL
Loading the manual

1

50HJ004 --- 007

50HE003 --- 006

Single --- Package Rooftop Electric Cooling

Units with Optional Electric Heat

Installation Instructions

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS

1

. . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 1--Provide Unit Support

2

. . . . . . . . . . . . . . . . . . . . . .

ROOF CURB

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SLAB MOUNT

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ALTERNATE UNIT SUPPORT

2

. . . . . . . . . . . . . . . . .

Step 2--Field Fabricate Ductwork

2

. . . . . . . . . . . . . . . . . . .

Step 3--Install External Trap for Condensate Drain

2

. . . . . . .

Step 4--Rig and Place Unit

4

. . . . . . . . . . . . . . . . . . . . . . . . .

POSITIONING

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 5 — Make Electrical Connections

8

. . . . . . . . . . . . . . . .

FIELD POWER SUPPLY

8

. . . . . . . . . . . . . . . . . . . . . .

FIELD CONTROL WIRING

8

. . . . . . . . . . . . . . . . . . . .

HEAT ANTICIPATOR SETTINGS

8

. . . . . . . . . . . . . . .

Step 6 — Adjust Factory-Installed Options

29

. . . . . . . . . . .

COBRA

™

ENERGY RECOVERY UNITS

29

. . . . . . .

HUMIDI-MIZER

™

ADAPTIVE

DEHUMIDIFICATION SYSTEM

29

. . . . . . . . . . . . . .

DISCONNECT SWITCH

29

. . . . . . . . . . . . . . . . . . . . .

MANUAL OUTDOOR-AIR DAMPER

29

. . . . . . . . . .

CONVENIENCE OUTLET

29

. . . . . . . . . . . . . . . . . . .

NOVAR CONTROLS

29

. . . . . . . . . . . . . . . . . . . . . . . .

PREMIERLINK

™

CONTROL

31

. . . . . . . . . . . . . . . . .

OPTIONAL ECONOMI$ER IV AND

ECONOMI$ER2

34

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

ECONOMI$ER IV STANDARD SENSORS

35

. . . . . .

ECONOMI$ER IV CONTROL MODES

36

. . . . . . . . .

Step 7 — Adjust Evaporator-Fan Speed

41

. . . . . . . . . . . . . .

PRE--START--UP

58

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP

58

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE

62

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING

67

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP CHECKLIST

72

. . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components.

Only trained and qualified service personnel should install, repair,
or service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions of

cleaning coils and filters and replacing filters. All other operations
should be performed by trained service personnel. When working

on air-conditioning equipment, observe precautions in the
literature, tags and labels attached to the unit, and other safety

precautions that may apply.
Follow all safety codes. Wear safety glasses and work gloves. Use

quenching cloth for unbrazing operations. Have fire extinguishers

available for all brazing operations.
Recognize safety information. This is the safety--alert symbol

.

When you see this symbol on the furnace and in

instructions or manuals, be alert to the potential for personal
injury.
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety--alert symbol.

DANGER identifies the most serious hazards which

will

result in

severe personal injury or death. WARNING signifies a hazard
which

could

result in personal injury or death. CAUTION is used

to identify unsafe practices which

may

result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which

will

result in enhanced installation,

reliability,or operation.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could cause personal

injury or death.
Before performing service or maintenance operations

on unit, turn off main power switch to unit and install

lockout tag. Ensure electrical service to rooftop unit

agrees with voltage and amperage listed on the unit

rating plate.

!

WARNING

INSTALLATION

Unit is shipped in the vertical discharge configuration. To convert

to horizontal discharge application, remove duct opening covers.
Using the same screws, install covers on duct openings in

basepan of unit with insulation-side down. Seals around

openings must be tight. (See Fig. 1.)

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Other Manuals for Carrier 50HE003-006

Summary

Page 2 - Field Fabricate Ductwork; Do not connect ductwork to unit.; Install External Trap for

2 Step 1 — Provide Unit Support Roof Curb Assemble and install accessory roof curb in accordance with instructions shipped with curb. (See Fig. 2.) Install insulation, cant strips, roofing felt, and counter flashing as shown. Ductwork must be attached to curb, not to the unit. If electric control po...

Page 3 - Roof Curb Details

3 ROOF CURB ACCESSORY A UNIT SIZE CRRFCURB001A01 1 -2 [356] CRRFCURB002A01 2 -0 [610] NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. 3. Dimensions in [ ] are in millimeters. 4. Roof curb: galvanized steel. 5. Attach ductwork to curb (flanges of duct rest on curb). 6. Ser...

Page 4 - Rig and Place Unit; WARNING; Positioning; Do not install unit in an indoor location; MAXIMUM ALLOWABLE; Condensate Drain Connection; NOTE: Trap should be deep enough to offset maximum unit static; Condensate Drain Piping Details

4 Step 4 — Rig and Place Unit Inspect unit for transportation damage, and file any claim with transportation agency. Keep unit upright and do not drop.Spreader bars are not required if top crating is left on unit, and rollers may be used to move unit across a roof. Level by usingunit frame as a refe...

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