Carrier AIR-COOLED CONDENSER UNITS 09BY006-024 Installation, Start-up And Service Instructions Manual

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Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS .................1
GENERAL ..................................1
INSTALLATION ............................1-12
Step 1 − Complete Pre-Installation Checks ..1
Step 2 − Rig and Place Unit ................7
RIGGING
PLACING THE UNIT
VIBRATION ISOLATION
POSITIONING THE 09BY UNIT
VERTICAL DISCHARGE
Step 3 − Install Accessory Low-Ambient Kit or
Inlet Filter Kit (If Required) ................8
Step 4 − Install Rain Drain .................8
Step 5 − Complete Refrigerant Piping .......8
GENERAL
REFRIGERANT LINE SIZING
PRESSURE RELIEF
REFRIGERANT RECEIVER
LIQUID LIFT
SWEAT CONNECTIONS
FIELD PIPING
MANIFOLDING CIRCUITS
CHECK VALVE
SERVICE VALVES
Step 6 − Ductwork ........................10
CONDENSER AIR DUCT INSULATION
Step 7 − Insulate the Unit .................11
Step 8 − Complete Electrical Connections ..11
GENERAL
MAIN POWER WIRING
CONTROL CIRCUIT POWER WIRING
GENERAL WIRING NOTES
START-UP .................................13
System Evacuation and Dehydration ........13
Charging Procedure .......................13
Check Operation of Condenser Fan Motor
Controls and Rotation of Fans ...........13
Adjust Fan Speed .........................13
SERVICE .................................13-15
Cleaning Condenser Coils .................13
Lubrication ................................13
Condenser Fan Adjustment ................13
TO CHANGE FAN SPEED
PULLEY ALIGNMENT
BELT TENSION ADJUSTMENT
TO CHANGE FAN WHEEL
TO REPLACE FAN BEARING
MAINTENANCE ............................15
Cleaning ..................................15
Inspection .................................15
Air Filters .................................15
Condensate Drain .........................15
TROUBLESHOOTING ......................16
START-UP CHECKLIST ................CL-1,CL-2
SAFETY CONSIDERATIONS
Installing, starting up, and servicing air-conditioning equip-
ment can be hazardous due to system pressures, electrical
components, and equipment location.
Only trained, qualified installers and service mechanics
should install, start-up, and service this 09BY equipment
(Fig. 1).
When working on the equipment, observe precautions in
the literature and on tags, stickers, and labels attached to the
equipment.
Follow all safety codes. Wear safety glasses and work gloves.
Keep quenching cloth and fire extinguisher nearby when braz-
ing. Use care in handling, rigging, and setting bulky
equipment.
ELECTRIC SHOCK HAZARD
Separate power sources (main and control
power circuits) are used for these units. Be
sure both main and control power circuits are
disconnected before servicing.
GENERAL
The 09BY air-cooled condenser is a remote air-cooled con-
denser designed to be used with the 50BZ vertical packaged
units. See Table 1. Airflow is horizontal, both into and out
from the same face of the unit. The unit is designed to be
mounted indoors in a window, through the wall in high-rise
buildings, or on the wall on the building exterior. See Fig. 2
for typical applications. Ductwork is not needed, but may be
added easily if required by the application. Airflow is pro-
vided by centrifugal fans with an adjustable belt drive to meet
varying static requirements. Units may also be matched with
other compressor and evaporator combinations. Contact your
local representative for more details.
Check space requirements, service clearances, floor strength,
location of piping, size of power supply, and location of duct-
work (if used) before installing. See Fig. 3 for unit dimen-
sions and Table 2 for unit operating weights.
INSTALLATION
Step 1 Complete Pre-Installation Checks
Examine unit for damage incurred during shipment. File claim
immediately with transit company if damage is found. Check
the shipment for completeness. Verify that the nameplate elec-
trical requirements match the available power supply.
09BY006-024
Air-Cooled Condenser Units
5to20Tons
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 2 4
Tab 4a 4a
PC 111 Catalog No. 530-969 Printed in U.S.A. Form 09BY-2SI Pg 1 9-96 Replaces: 09BY-1SI