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13
IOM 1372
WWW.DAIKINAPPLIED.COM
INSTALLATION
Compressor Removal
1 .
Loosen and remove screws on either side of the cast
suction elbow.
2 .
Remove rotor cooling return line on the underside of the
compressor motor housing along with both rotor cooling
supply lines.
3 .
Remove (2) din connectors from the solenoid coils.
4 .
Remove rotor stepping valve control wire.
NOTICE
Wire ties will have to be cut away during this process.
5 .
The following wires coming from the VFD will need to be
removed:
•
300v dc power supply (yellow cable)
•
25 Pin “d” shell connector
•
Power leads on the top of the motor housing
6 .
The ethernet cable coming from the unit control box will
need to be removed.
7 .
Remove the wireway box assembly from the compressor to
the back of the starter.
8 .
Loosen the (4) bolts from the compressor’s bottom
mounting feet.
NOTICE
Do not loosen or remove bolts securing the compressor brackets
as height is pre-set from the factory.
9 .
Mount a 1/2-13 swivel lifting eye to the front tapped lifting
hole on the comp. Motor housing.
Figure 12: Compressor Removal/Re-Attachment
Compressor Re-Attachment
1 .
Set the suction elbow back on top of the evaporator and
install the screws loosely at the evaporator flange (be sure
to install the new o-ring that was shipped with the unit).
2 .
Set the discharge piping back on top of the condenser and
install the bolts loosely at the condenser flange (be sure to
install the new gasket that was shipped with the unit).
3 .
Set compressor on mounting brackets and install the (4)
mounting bolts loosely (during this step you will need to
install the new o-rings at discharge nozzle & the suction
elbow).
4 .
Install (12) screws at elbow to compressor and torque to 25
ft-lbs. max (do not over tighten).
5 .
Install & torque the (8) bolts at the discharge nozzle to 205
ft-lbs then torque the (8) bolts at the condenser flange to
the same.
6 .
Torque the (4) compressor mounting bolts to 25 ft-lbs (do
not over tighten).
7 .
Re-install the four flange bolts at the hot gas bypass line.
8 .
Re-install the wireway between the compressor and VFD.
9 .
Re-attach all associated power wiring & ethernet cable.
10 .
Pull vacuum at evaporator and VFD cooling lines to 300
microns. (Not to allow rise of 300 microns within 1 hour).
11 .
Open all valves.
12 .
Perform refrigerant leak check to ensure all connections
and fittings are securely fastened.
Содержание MAGNITUDE WME-D
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