Table of Contents
Advertisement
Quick Links
704D
LEGACY
13 SEER SINGLE- - PACKAGED AIR CONDITIONER SYSTEM
t
WITH PURON
®
(R- - 410A) REFRIGERANT
SINGLE AND THREE PHASE
2- - 5 NOMINAL TONS (SIZES 024- - 060)
NOTE:
Read the entire instruction manual before starting the
installation.
NOTE:
Installer: Make sure the Owner's Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Instructions
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . .
. . . . . . . . . . . . . . . . . . . . .
PAGE
1
2
2- -9
2
2
2
2
2
2
2
SAFETY CONSIDERATIONS
2
Installation and servicing of this equipment can be hazardous due
2
to mechanical and electrical components. Only trained and
2- -6
qualified personnel should install, repair, or service this equipment.
2
6
Untrained personnel can perform basic maintenance functions such
6
as cleaning and replacing air filters. All other operations must be
7
performed by trained service personnel. When working on this
7
equipment, observe precautions in the literature, on tags, and on
7
labels attached to or shipped with the unit and other safety
8
precautions that may apply.
8
Follow all safety codes. Installation must be in compliance with
9
local and national building codes. Wear safety glasses, protective
9
clothing, and work gloves. Have fire extinguisher available. Read
9
these instructions thoroughly and follow all warnings or cautions
9
included in literature and attached to the unit.
11
Recognize safety information. This is the safety- -alert symbol
11- -18
When you see this symbol on the unit and in instructions or manu-
11
als, be alert to the potential for personal injury. Understand these
11
signal words: DANGER, WARNING, and CAUTION. These
11
words are used with the safety- -alert symbol. DANGER identifies
11
the most serious hazards which will result in severe personal injury
12
or death. WARNING signifies hazards which could result in per-
12
sonal injury or death. CAUTION is used to identify unsafe practic-
18
es which may result in minor personal injury or product and prop-
18- -20
erty damage. NOTE is used to highlight suggestions which will
18
result in enhanced installation, reliability, or operation.
18
19
!
19
19
20
ELECTRICAL SHOCK HAZARD
20
Failure to follow this warning could result in personal
20
injury or death.
21
21
Before installing or servicing system, always turn off main
power to system and install lockout tag. There may be
more than one disconnect switch. Turn off accessory heater
power switch if applicable.
1
Fig. 1 - - Unit 704D
WARNING
A08437
.
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Bryant LEGACY PURON 704D Series
Summary of Contents for Bryant LEGACY PURON 704D Series
-
Page 1: Table Of Contents
704D LEGACY 13 SEER SINGLE- - PACKAGED AIR CONDITIONER SYSTEM WITH PURON ® (R- - 410A) REFRIGERANT SINGLE AND THREE PHASE 2- - 5 NOMINAL TONS (SIZES 024- - 060) Installation Instructions NOTE: Read the entire instruction manual before starting the installation. -
Page 2: Introduction
Step 3 — Provide Clearances WARNING The required minimum service clearances are shown in Fig. 2 and 3. Adequate ventilation and outdoor air must be provided. The PERSONAL INJURY ENVIRONMENTAL outdoor fan draws air through the outdoor coil and discharges it HAZARD through the top fan grille. - Page 3 A08584 Fig. 2 - - 704D024- -036 Unit Dimensions...
- Page 4 A08585 Fig. 3 - - 704D042- -060 Unit Dimensions...
- Page 5 HVAC unit HVAC unit base base Gask eting inner flange* Scre w Scre w Gask eting (NO TE A) (NO TE A) inner flange* *Gask eting *Gask eting outer flange outer flange Wood nailer* Wood nailer* Flashing field Flashing field supplied supplied Roof curb*...
-
Page 6: Use Of Rigging Bracket
(914 mm) DETAIL A A08487 A08015 SMALL CABINET LARGE CABINET Unit* Unit* Rigging Rigging Weight Weight * For 460 volt units, add 14 lb (6.35 kg) to the rigging weight. NOTE: See dimensional drawing for corner weighs. Fig. 5 - - 704D Unit Suggested Rigging use a spreader bar of sufficient length to protect the unit from damage. -
Page 7: Connect Condensate Drain
4. Remove corner post screws and rigging brackets, then IMPORTANT: Use flexible connectors between ductwork and re- -install screws. unit to prevent transmission of vibration. Use suitable gaskets to ensure weather- -tight and airtight seal. When electric heat is After the unit is placed on the roof curb or mounting pad, remove installed, use fireproof canvas (or similar heat resistant material) the top crating. -
Page 8: Install Electrical Connections
Step 8 — Install Electrical Connections 2. Select and size ductwork, supply- -air registers, and return- -air grilles according to American Society of Heating, WARNING Refrigeration and Air Conditioning Engineers (ASHRAE) recommendations. 3. Use flexible transition between rigid ductwork and unit to ELECTRICAL SHOCK HAZARD prevent transmission of vibration. -
Page 9: Special Procedures For 208V Operation
SPECIAL PROCEDURES FOR 208- - V OPERATION HIGH VOLTAGE WARNING POWER LEADS POWER (SEE UNIT WIRING SUPPLY LABEL 3-PHASE SHOWN ELECTRICAL SHOCK HAZARD 1-PHASE USES TWO POWER Failure to follow this warning could result in personal EQUIP GR LEADS FIELD-SUPPLIED injury or death. - Page 10 Table 1 – Physical Data- -Unit 704D UNIT SIZE NOMINAL CAPACITY (ton) 2 ---1/2 3 ---1/2 SHIPPING WEIGHT* lb. SHIPPING WEIGHT* (kg) Scroll COMPRESSORS Quantity REFRIGERANT (R --- 410A) 10.0 Quantity lb Quantity (kg) REFRIGERANT METERING DEVICE OUTDOOR COIL Rows...Fins/in. 1...21 1...21 1...21...
-
Page 11: Pre- -Start- -Up
PRE- -START- - UP 2. Repair leak following accepted practices. NOTE: Install a filter drier whenever the system has been opened WARNING for repair. 3. Add a small charge of Puron (R- -410A) refrigerant vapor to system and leak- -test unit. ENVIRONMENTAL, FIRE, EXPLOSION,... -
Page 12: Indoor Airflow And Airflow Adjustments
Proceed as follows: To change the fan speed, remove the vinyl cap off of the desired speed tap wire (Refer to Table 3 for color coding). Remove the 1. Remove caps from low- - and high- -pressure service fittings. current speed tap wire from the “HIGH” terminal on the interface 2. - Page 13 Table 4 – Dry Coil Air Delivery* - - Horizontal and Downflow Discharge - - Unit 704D024- -060 External Static Pressure (in. W.C.) Motor Wire Unit Speed Color Blue --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- Med---Low Pink...
- Page 14 A08050 Fig. 13 - - Wiring Diagram 208/230- -1- -60...
- Page 15 A08051 Fig. 14 - - Wiring Diagram 208/230- -3- -60...
- Page 16 A08007 Fig. 15 - - Wiring Diagram 460- -3- -60...
- Page 17 A08490 Fig. 16 - - Cooling Charging Chart...
-
Page 18: Cooling Sequence Of Operation
COOLING SEQUENCE OF OPERATION CAUTION With the room thermostat SYSTEM switch in the COOL position and the FAN switch in the AUTO position, the cooling sequence of UNIT OPERATION HAZARD operation is as follows: When the room temperature rises to a point that is slightly above Failure to follow this caution may result in equipment the cooling control setting of the thermostat, the thermostat damage or improper operation. -
Page 19: Outdoor Coil, Indoor Coil, And Condensate Drain Pan
FAN GRILLE MOTOR MOTOR SHAFT A08505 MAX DISTANCE BETWEEN FAN HUB AND END OF MOTOR SHAFT “A” SIZE Fig. 17 - - Fan Blade Position 2. Remove and clean blower wheel as follows: clear water. Do not splash water on the insulation, motor, wiring, or air filter(s). -
Page 20: Refrigerant Circuit
electrical component with the proper electrical instrumentation. charge so that pressure gauges read 0 psi (0 Pa). Never open system Refer to the unit wiring label when making these checkouts. without breaking vacuum with dry nitrogen. NOTE: Refer to the heating and/or cooling sequence of operation HIGH- - PRESSURE SWITCH in this publication as an aid in determining proper control The high- -pressure switch is located in the discharge line and... -
Page 21: Troubleshooting
COMPRESSOR OIL Synthetic Roof Precautionary Procedure The Copeland scroll compressor uses 3MAF POE oil. If additional 1. Cover extended roof working area with an impermeable oil is needed, use Uniqema RL32- -3MAF. If this oil is not polyethylene (plastic) drip cloth or tarp. Cover an available, use Copeland Ultra 32 CC or Mobil Arctic EAL22 CC. - Page 22 AIR CONDITIONER WITH PURON (R- -410A) QUICK REFERENCE GUIDE Puron refrigerant operates at 50- -70 percent higher pressures than R- -22. Be sure that servicing equipment and replacement components are designed to operate with Puron. Puron refrigerant cylinders are rose colored. S Puron refrigerant cylinders manufactured prior to March 1, 1999, have a dip tube that allows liquid to flow out of cylinder in upright position.
- Page 23 Table 7 – Troubleshooting Chart SYMPTOM CAUSE REMEDY Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective contactor, transformer, control relay, or high-- Replace component pressure, loss--of--charge or low--pressure switch Compressor and outdoor fan will not start Insufficient line voltage Determine cause and correct Incorrect or faulty wiring...
- Page 24 *Measured at suction inlet to compressor †Measured at liquid line leaving condenser. Catalog No. II704D---03 E2008 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 11/08 Replaces: II704D--- 18--- 2...
Need help?
Do you have a question about the LEGACY PURON 704D Series and is the answer not in the manual?
Questions and answers