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Daikin DX20VC Series User manual

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INVERTER PCB KIT
AVXC20, AVZC18, AVZC20, DX20VC,
DZ18VC & DZ20VC INSTRUCTIONS
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions
and related items.
Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings.
Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit is in
operation.
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe
use.
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety practices...follow
them.
The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there is a direct
conflict between existing practices and the content of this manual, the precautions listed here take precedence.
© 2018
5151 San Felipe, Suite 500, Houston, TX 77056
www.daikinac.com
P/N: IO-858 Date: October 2018
D
ISCHARGE
YOUR
BODY
’
S
STATIC
ELECTRICITY
BEFORE
TOUCHING
PCB
AND
/
OR
UNIT
. A
N
ELECTROSTATIC
DISCHARGE
CAN
ADVERSELY
AFFECT
ELECTRICAL
COMPONENTS
. U
SE
THE
FOLLOWING
PRECAUTIONS
DURING
INSTALLATION
AND
SERVICING
TO
PROTECT
THE
PCB
FROM
DAMAGE
:
1. D
ISCONNECT
ALL
POWER
TO
THE
UNIT
. D
O
NOT
TOUCH
THE
PCB
OR
ANY
WIRE
CONNECTED
TO
THE
CONTROL
PRIOR
TO
DISCHARGING
YOUR
BODY
’
S
ELECTROSTATIC
CHARGE
TO
GROUND
.
2. F
IRMLY
TOUCH
A
CLEAN
,
UNPAINTED
,
METAL
SURFACE
OF
THE
UNIT
AWAY
FROM
THE
CONTROL
.
B
Y
PUTTING
THE
UNIT
,
THE
CONTROL
,
AND
THE
PERSON
AT
THE
SAME
ELECTROSTATIC
POTENTIAL
,
THESE
STEPS
WILL
HELP
AVOID
EXPOSING
THE
PCB
TO
ELECTROSTATIC
DISCHARGE
.
D
O
NOT
CONNECT
TO
OR
USE
ANY
DEVICE
THAT
IS
NOT
DESIGNED
CERTIFIED
BY
THE
MANUFACTURER
FOR
USE
WITH
THIS
UNIT
. S
ERIOUS
PROPERTY
DAMAGE
,
PERSONAL
INJURY
,
REDUCED
UNIT
PERFORMANCE
AND
/
OR
HAZARDOUS
CONDITIONS
MAY
RESULT
FROM
THE
USE
OF
SUCH
NON
-
APPROVED
DEVICES
.
WARNING
O
NLY
PERSONNEL
THAT
HAVE
BEEN
TRAINED
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
(
HEREINAFTER
, “
SERVICE
”)
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
SHOULD
SERVICE
THE
EQUIPMENT
. T
HE
MANUFACTURER
WILL
NOT
BE
RESPONSIBLE
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
ARISING
FROM
IMPROPER
SERVICE
OR
SERVICE
PROCEDURES
. I
F
YOU
SERVICE
THIS
UNIT
,
YOU
ASSUME
RESPONSIBILITY
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
WHICH
MAY
RESULT
. I
N
ADDITION
,
IN
JURISDICTIONS
THAT
REQUIRE
ONE
OR
MORE
LICENSES
TO
SERVICE
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
ONLY
LICENSED
PERSONNEL
SHOULD
SERVICE
THE
EQUIPMENT
. I
MPROPER
INSTALLATION
,
ADJUSTMENT
,
SERVICING
OR
REPAIR
OF
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
OR
ATTEMPTING
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
WITHOUT
PROPER
TRAINING
MAY
RESULT
IN
PRODUCT
DAMAGE
,
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
HIGH VOLTAGE!
D
ISCONNECT
ALL
POWER
BEFORE
SERVICING
.
M
ULTIPLE
POWER
SOURCES
MAY
BE
PRESENT
. F
AILURE
TO
DO
SO
MAY
CAUSE
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
WARNING
2
PROGRAMED INVERTER PCB KIT INSTRUCTIONS:
WARNING: Discharge your body’s static electricity before touching
PCB and/or unit. An electrostatic discharge can adversely affect
electrical components. Use the following precautions during
installation and servicing to protect the PCB from damage. By
putting the unit, the control, and the person at the same electrostatic
potential, these steps will help avoid exposing the PCB to
electrostatic discharge.
HIGH VOLTAGE!
D
ISCONNECT
ALL
POWER
BEFORE
SERVICING
OR
INSTALLING
THIS
UNIT
. M
ULTIPLE
POWER
SOURCES
MAY
BE
PRESENT
. F
AILURE
TO
DO
SO
MAY
CAUSE
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
WARNING
1. Disconnect all power to the unit. Do not touch the PCB or any
wire connected to the PCB prior to discharging your body’s
electrostatic charge to ground.
2. Firmly touch a clean, unpainted, metal surface of the unit
away from the control.
3. Note location of all wiring and plug terminals (recommend
pictures) and remove all wiring from PCB.
NOTE: Thermal grease applied between the heat sink and the
refrigerant loop allows for proper cooling of the PCB circuits
(IGBT’s). Failure to apply the grease on the cooling loop may result
in an insufficient cooling circuit. Only use thermal grease
part # 9S00859.
4. Remove the screws from the cooling loop cover to allow it to
hinge open. (Figure 1)
Figure 1
5. Pull back gently on the 3/8 copper tubing. (Figure 2)
Figure 2
Amana Model REF UNIT
AVXC200241** 2 TON AC
AVXC200361** 3 TON AC
AVXC200481** 4 TON AC
AVXC200601** 5 TON AC
AVZC200241** 2 TON HP
AVZC200361** 3 TON HP
AVZC200481** 4 TON HP
AVZC200601** 5 TON HP
AVZC180241** 2 TON HP
AVZC180361** 3 TON HP
AVZC180481** 4 TON HP
AVZC180601** 5 TON HP
DZ18VC0241**
DZ18VC0361**
DZ18VC0481**
DZ18VC0601**0272R01045S
0272R00978S
DZ20VC0481**
DZ20VC0601**
0272R00988S
0272R00991S
DX20VC0241**
DX20VC0361**
DX20VC0481**
DX20VC0601**
DZ20VC0241**
DZ20VC0361**
0272R00997S
0272R01042S
0272R01043S
0272R01044S
PROG. INV. PCB
KIT Daikin Model
0272R00976S
0272R00981S
0272R00994S
0272R00985S
3
6. Carefully slide the board from the cooling loop. (Figure 3)
Figure 3
NOTE: Do not remove any grease from the cooling loop.
7. Before installing the new board back in place, evenly apply
the thermal grease. (Figure 4)
Figure 4
NOTE: Additional Thermal grease part # 9S00859.
8. Insert the cooling loop in the metal bracket. (Figure 5)
Figure 5
9. Secure the top plate with the screws. (Figure 6)
Figure 6
4
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