Bryant 581B036--072 - Manual

Bryant 581B036--072

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Table of Contents:

  • Page 2 – Provide Unit Support; Ductwork; Field Fabricate Ductwork; Do not connect ductwork to unit.; Install External Trap for Condensate; WARNING
  • Page 3 – Roof Curb Details
  • Page 4 – Install Flue Hood; NOTE; Condensate Drain Pan; Condensate Drain Piping Details; Install Gas Piping
  • Page 5 – Rigging Details
  • Page 8 – NFGC —; STEEL PIPE; Make Electrical Connections; Do not use gas piping as an electrical; must
  • Page 13 – Power Wiring Connections; Without Economizer or Two--Position Damper; Field Control Wiring
  • Page 17 – CB; Typical Rooftop Unit with Perfect Humidity; Damper Installed
  • Page 19 – factory-installed on the EconoMi$er IV in the outdoor airstream.
  • Page 21 – Barometric Flow Capacity; Enthalpy Sensor and Mounting Plate
  • Page 22 – OA
  • Page 24 – Enthalpy Changeover Set Points
  • Page 26 – Perfect Humidity
  • Page 28 – Table 13—581B Outdoor Sound Power (Total Unit); Table 14—581C Outdoor Sound Power (Total Unit); GENERAL FAN PERFORMANCE NOTES
  • Page 41 – ELECTRICAL SHOCK HAZARD
  • Page 42 – Compressor Rotation; Cooling; Table 35—Altitude Compensation*; Table 36—Altitude Compensation* —
  • Page 43 – Heating; Safety Relief
  • Page 45 – SERVICE; Cleaning; Evaporator Coil
  • Page 46 – Lubrication; EconoMi$er IV Adjustment; Do not
  • Page 48 – : When using the charging charts, it is important that only
  • Page 49 – Flue Gas Passageways
  • Page 50 – 81C - 2 TON CHARGING CHART; Cooling Charging Chart,
  • Page 52 – Table 38—LED Error Code Description*; IMPORTANT; Main Burners; FURNACE DAMAGE HAZARD; CAUTION; Burner Section Details
  • Page 53 – Spark Gap Adjustment; Reinstall burner rack as described above.; Replacement Parts; A complete list of replacement parts may be obtained from any
  • Page 55 – TROUBLESHOOTING; Unit Troubleshooting
  • Page 58 – Table 43—Cooling Service Analysis
  • Page 59 – Table 44—EconoMi$er IV Input/Output Logic; EconoMi$er IV Functional View
  • Page 60 – I. PRELIMINARY INFORMATION; ELECTRICAL
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1

Installation Instructions

581B036--072

581C024--060

SINGLE--PACKAGE ROOFTOP HEATING/COOLING

STANDARD AND LOW NOx UNITS

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

2

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

POSITIONING

2

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

Step 5 — Install Flue Hood

4

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

Step 6 — Install Gas Piping

4

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

Step 7 — Make Electrical Connections

8

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

FIELD POWER SUPPLY

8

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

FIELD CONTROL WIRING

8

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

HEAT ANTICIPATOR SETTINGS

8

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

Step 8 — Adjust Factory-Installed Options

16

. . . . . . . . . . .

PERFECT HUMIDITY

™

ADAPTIVE

DEHUMIDIFICATION SYSTEM

16

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

MANUAL OUTDOOR-AIR DAMPER

16

. . . . . . . . . .

CONVENIENCE OUTLET

16

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

OPTIONAL ECONOMI$ER IV

18

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

ECONOMI$ER IV STANDARD SENSORS

19

. . . . . .

ECONOMI$ER IV CONTROL MODES

20

. . . . . . . . .

Step 9 — Adjust Evaporator-Fan Speed

25

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

PRE--START--UP

41

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

START--UP

41

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

SERVICE

45

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

TROUBLESHOOTING

55

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

START--UP CHECKLIST

60

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

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 unit 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

FIRE, EXPLOSION HAZARD

Failure to follow this warning could cause death and/or

property damage.
Disconnect gas piping from unit when leak testing at

pressure greater than

1

/

2

psig. Pressures greater than

1

/

2

psig will cause gas valve damage resulting in hazardous

condition. If gas valve is subjected to pressure greater

than

1

/

2

psig, it

must

be replaced before use. When

pressure testing field-supplied gas piping at pressures of

1

/

2

psig or less, a unit connected to such piping must be

isolated by manually closing the gas valve(s).

!

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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Summary

Page 2 - Provide Unit Support; Ductwork; Field Fabricate Ductwork; Do not connect ductwork to unit.; Install External Trap for Condensate; WARNING

2 C06108 Fig. 1 --- Horizontal Conversion Panels Step 1 — Provide Unit Support Roof Curb Assemble and install accessory roof curb in accordance withinstructions shipped with curb. (See Fig. 2.) Install insulation, cant strips, roofing felt, and counter flashing as shown. Ductwork must be attached to...

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 - Install Flue Hood; NOTE; Condensate Drain Pan; Condensate Drain Piping Details; Install Gas Piping

4 MAXIMUM ALLOWABLE DIFFERENCE (in.) A-B B-C A-C 0.5 1.0 1.0 C06110 Fig. 3 --- Unit Leveling Tolerances Be sure that unit is installed such that snow will not block the combustion intake or flue outlet.Unit may be installed directly on wood flooring or on Class A, B,or C roof-covering material when ...

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