Bryant 580G - Manual
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Table of Contents:
- Page 2 – All panels must be in place when rig-; B. Alternate Unit Support; UNIT LEVELING TOLERANCES
- Page 3 – Do not locate adjacent units with flue discharge
- Page 4 – Do not locate adjacent units with flue discharge facing
- Page 6 – Table 1 — Specifications
- Page 7 – Table 2 — Evaporator Fan Motor Data; Check building codes for weight distribution requirements.; III. FIELD FABRICATE DUCTWORK; For vertical supply and return units, tools; IV. UNIT DUCT CONNECTIONS
- Page 10 – Fig. 11 — Control Board Diagram
- Page 14 – Fig. 15 — Field Control Thermostat Wiring; Fig. 16 — Adding Seal Strip to Top of Hood Sides
- Page 16 – Fig. 25 — Attaching Seal Strip to Filter Cover
- Page 17 – Fig. 26 — Enthalpy Control and Sensor; ENTHALPY CONTROL; Fig. 27 — Wire Connections for Solid-State; RH — Relative Humidity; Fig. 28 — Psychrometric Chart for Enthalpy Control
- Page 19 – III Control Installation; Fig. 31 — Motormaster III Baffle Details
- Page 20 – Fig. 32 — Low Ambient Kit Sensor Location
- Page 23 – D. Smoke Control Modes; On standard gas models, the indoor fan will continue; F. Indoor Air Quality Control; Low Priority; Circuit
- Page 26 – Motor efficiency
- Page 31 – B. Fan Shaft Bearings; Multifak 2; C. Condenser and Evaporator-Fan Motor Bearings
- Page 33 – TROUBLESHOOTING; Typical refrigerant circuiting diagram is shown in Fig. 44.; LEGEND; Fig. 44 — Typical Refrigerant Circuiting
- Page 34 – Table 14 shows the input and output channel designations.
- Page 35 – Table 14 — I/O Channel Designations Base Module; OAT — 5K
- Page 39 – Type 90 C wire or its equivalent.
- Page 42 – PACKAGED SERVICE TRAINING
- Page 44 – GENERAL
CONTENTS
Page
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . . . . . .
1
INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
I. Provide Unit Support
. . . . . . . . . . . . . . . . . . . . . .
2
II. Rig and Place Unit
. . . . . . . . . . . . . . . . . . . . . . . .
2
III. Field Fabricate Ductwork
. . . . . . . . . . . . . . . . . . .
7
IV. Unit Duct Connections
. . . . . . . . . . . . . . . . . . . . .
7
V. Flue Hood
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
VI. Trap Condensate Drain
. . . . . . . . . . . . . . . . . . . . .
8
VII. Gas Piping
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
VIII. Electrical Connections
. . . . . . . . . . . . . . . . . . . . .
9
IX. Outdoor-Air Inlet Assembly
. . . . . . . . . . . . . . . .
14
X. Power Exhaust/Barometric Relief
Damper Hood
. . . . . . . . . . . . . . . . . . . . . . . . . . .
18
XI. Accessories
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
PRE-START-UP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20,21
START-UP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-28
I. Cooling Section Start-Up and
Adjustments
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
II. Heating Section Start-Up and
Adjustments
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
III. Field Test Operation
. . . . . . . . . . . . . . . . . . . . . .
24
IV. Indoor Airflow and Airflow
Adjustments
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
V. Gas Valve Adjustment
. . . . . . . . . . . . . . . . . . . .
25
VI. Main Burners
. . . . . . . . . . . . . . . . . . . . . . . . . . .
28
VII. Power Exhaust Operation
. . . . . . . . . . . . . . . . . . 28
VIII. Head Pressure Control
. . . . . . . . . . . . . . . . . . .
28
IX. Low Ambient Kit
. . . . . . . . . . . . . . . . . . . . . . . . .
28
CARE AND MAINTENANCE
. . . . . . . . . . . . . . . . . . . . .
28
SERVICE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-32
I. Cleaning
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
II. Lubrication
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
III. Evaporator Fan Service and
Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
IV. Evaporator-Fan Motor Replacement
. . . . . . . .
31
V. Power Failure
. . . . . . . . . . . . . . . . . . . . . . . . . . .
31
VI. Refrigerant Charge
. . . . . . . . . . . . . . . . . . . . . . .
31
VII. Filter Drier
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
VIII. Thermostatic Expansion Valve (TXV)
. . . . . . . .
32
IX. Protective Devices
. . . . . . . . . . . . . . . . . . . . . . .
32
X. Relief Devices
. . . . . . . . . . . . . . . . . . . . . . . . . . .
32
XI. Control Circuits
. . . . . . . . . . . . . . . . . . . . . . . . .
32
XII. Compressor Lockout Logic
. . . . . . . . . . . . . . .
32
XIII. Replacement Parts
. . . . . . . . . . . . . . . . . . . . . . .
32
TROUBLESHOOTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . 33-41
I. Diagnostic LEDs
. . . . . . . . . . . . . . . . . . . . . . . . .
33
II. Error Code Summary
. . . . . . . . . . . . . . . . . . . . .
34
III. Input/Output Channel Designations
. . . . . . . . .
34
START-UP CHECKLIST
. . . . . . . . . . . . . . . . . . . . CL-1, CL-2
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance func-
tions 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 pre-
cautions 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.
WARNING:
Before performing service or mainte-
nance operations on unit, turn off main power switch
to unit. Electrical shock could cause personal injury.
WARNING:
1. Improper installation, adjustment, alteration, serv-
ice, or maintenance can cause property damage, per-
sonal injury, or loss of life. Refer to the User ’s
Information Manual provided with this unit for more
details.
2. Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
What to do if you smell gas:
1. DO NOT try to light any appliance.
2. DO NOT touch any electrical switch, or use any phone in
your building.
3. IMMEDIATELY call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
4. If you cannot reach your gas supplier, call the fire
department.
WARNING:
Disconnect gas piping from unit when
pressure testing at pressure greater than 0.5 psig. Pres-
sures greater than 0.5 psig will cause gas valve dam-
age resulting in hazardous condition. If gas valve is
subjected to pressure greater than 0.5 psig, it must be
replaced before use. When pressure testing field-
supplied gas piping at pressures of 0.5 psig or less, a
unit connected to such piping must be isolated by clos-
ing the manual gas valve(s).
installation, start-up and
service instructions
SINGLE PACKAGE ROOFTOP
ELECTRIC COOLING/GAS HEATING UNITS
580G,H
Sizes 240-360
Cancels: II 580G,H-240-1
II 580G,H-240-2
11/1/97
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Summary
INSTALLATION I. PROVIDE UNIT SUPPORT CAUTION: All panels must be in place when rig- ging. Unit is not designed for handling by fork truck. A. Roof Curb Assemble and install accessory roof curb in accordance withinstructions shipped with the curb. Accessory roof curb andinformation required to field ...
UNIT SIZE 580G OPERATING WEIGHT A B CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1148 300 350 4262 5- 9 5 ⁄ 8 3-8 899 899 1232 1232 300 525 4342 5-10 1 ⁄ 8 3-8 5 ⁄ 16 929 916 1240 1257 324 350 4262 5...
UNIT SIZE 580H OPERATING WEIGHT A B CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1148 300 350 4262 5- 9 5 ⁄ 8 3-8 899 899 1232 1232 300 525 4342 5-10 1 ⁄ 8 3-8 5 ⁄ 16 929 916 1240 1257 324 525 4262 5...
