Installation and Commissioning Guide - Package Commercial Unit
Doc. Part No. 0525-055 Ver. 9 220308
Installation and Commissioning Guide
Package Commercial Unit
24
NOTE
When the Indoor Fan DIP switch setting on the Condenser CPU Board is set to
SINGLE SPEED INDOOR FAN
, the Indoor Fan
output on the Condenser CPU Board is always from the
HIGH
terminal output.
Step 3. An option is also available for the End User/Customer to choose any speed by re-wiring the Indoor Fan.
Example:
PCA300U 2-Speed setting is changed from Medium and Low to High and Medium, is shown below:
OPTIONAL 2-SPEED SETTINGS
EXAMPLE
TERMINAL 1
TERMINAL 3
PCA300U/V
HIGH
MEDIUM
NEUT
ACT
HIGH
LOW
NEUT
240V MAINS OUT
240V
INDOOR
FAN
ALL C SERIES
CONTROLS SET TO
7-DAY
SW
1
STANDARD
7-DAY
SET TO
7-DAY
CONDENSER
CPU BOARD
1
2
3
4
INDOOR FAN
CONNECTIONS
TERMINALS
AC INDOOR FAN
IFRC
H
L
M
IF-1
1
EARTH
HIGH
MED
LOW
NEUTRAL
INDOOR UNIT
Step 4. An Optional Manual Inputs is another control option available to run the units, which can be done by setting the DIP switch to
MANUAL INPUTS
, as shown below.
As an example, PCA300U condenser CPU Board and Indoor Fan connections are shown. The factory default settings
are as shown in the table below:
VOLT FREE
CONTACTS-
BY OTHERS
OCB
CONDENSER CPU BOARD
NEUT
CO
MP
LP
LP
HP
HP
REV
NEUT
NEUT
LOW
HIGH
AC
T
NEUT
EAR
TH
NEUT
ACT
HIGH
LOW
NEUT
COMP
FAN
HEAT
15V
DATA
COM/
SCREEN
1 DEF
2 F
AN
3 CO
M
240V MAINS OUT
240V
INDOOR
FAN
ALL C SERIES
CONTROLS SET
TO 7-DAY
COOL ONLY ON
STAGE-2 ON
BOOST HEAT ON
WALL CONTROL
CONT. FAN
SINGLE SPEED
INDOOR FAN
ACCESSORY
POWER
PLUG
DUAL SPEED
INDOOR FAN
AUTO FAN
MANUAL INPUTS
D
ATA
INPUTS
SW
1
STANDARD
7-DAY
ON
OFF
STANDARD
DIP SWITCH
SETTINGS
STEP
DE-ICE
CANCEL
TIMERS
SET TO
7-DAY
CONTROLLER
SIGNAL
FUNCTIONS
STAGE 1
INDOOR FAN
HEAT
The DIP switch is set on
The DIP switch is set on
MANUAL INPUTS
MANUAL INPUTS
MODELS
DEFAULT 1-SPEED SETTING
PCA300U/V
MEDIUM
PCA330U/V
HIGH
PCA340U/V
HIGH
1
2
3
4
INDOOR FAN
CONNECTIONS
TERMINALS
NEUTRAL
INDOOR FAN
IFRC
H
L
M
IF-1
1
EARTH
HIGH
MED
LOW
NEUTRAL
INDOOR UNIT
NOTE
When the Indoor Fan DIP switch setting on the Condenser CPU Board is set to
MANUAL INPUTS
, the Indoor Fan speed will
only be a
SINGLE SPEED INDOOR FAN
. And the Indoor Fan output on Condenser CPU Board will always be from the
HIGH
terminal output.
Step 5. The End User/Customer has also an option to change the Indoor Fan speed for the Optional Manual Inputs by
re-wiring the Indoor Fan. See Step 3 of the procedure above.