Installation and Commissioning Guide
Package Commercial Unit
23
Installation and Commissioning Guide - Package Commercial Unit
Doc. Part No. 0525-055 Ver. 9 220308
15. Standard Indoor Fan Commissioning
Models: PCA300U/V PCA330U/V PCA340U/V
CAUTION
• Commissioning of indoor fan should be carried out by a qualified / licensed installer or service technician.
• Make sure that all instructions are followed accordingly.
• Ensure that connecting duct work and air filters are properly installed.
Fan Adjustment Procedure:
Step 1. By default, the factory setting for the standard indoor fan is 2-Speed as shown in the diagram and table below:
DEFAULT 2-SPEED SETTINGS
MODELS
CONNECTION- A CONNECTION- B
PCA300U/V
MEDIUM
LOW
PCA330U/V
HIGH
MEDIUM
PCA340U/V
HIGH
MEDIUM
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
1
2
3
4
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
USED FOR
REMOTE ON/OFF
OPERATION
(WALL CONTROL USE
ONLY)
D
ATA
INPUTS
OPTIONAL
REMOTE ON/OFF
SWITCH
SW
1
STANDARD
7-DAY
ON
OFF
STANDARD
DIP SWITCH
SETTINGS
STEP
DE-ICE
CANCEL
TIMERS
SET TO
7-DAY
INDOOR FAN
CONNECTIONS
TERMINALS
CONNECTION-
A
CONNECTION-
B
NEUTRAL
AC INDOOR FAN
IFRC
H
L
M
IF-1
1
EARTH
HIGH
MED
LOW
NEUTRAL
The DIP switch is set on
The DIP switch is set on
DUAL SPEED INDOOR FAN
DUAL SPEED INDOOR FAN
INDOOR UNIT
Step 2. An option to choose a 1-Speed Setting is available for the End User/Customer. This can be done by setting the DIP
switch to
SINGLE SPEED INDOOR FAN
, as shown below. The factory default setting is shown on the following
table:
Note:
As an example, PCA300U condenser CPU Board and Indoor Fan connections are shown.
MODELS
DEFAULT 1-SPEED SETTING
PCA300U/V
MEDIUM
PCA330U/V
HIGH
PCA340U/V
HIGH
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
USED FOR
REMOTE ON/OFF
OPERATION
(WALL CONTROL USE
ONLY)
D
ATA
INPUTS
OPTIONAL
REMOTE ON/OFF
SWITCH
SW
1
STANDARD
7-DAY
ON
OFF
STANDARD
DIP SWITCH
SETTINGS
STEP
DE-ICE
CANCEL
TIMERS
SET TO
7-DAY
The DIP switch is set on
The DIP switch is set on
SINGLE SPEED INDOOR FAN
1
2
3
4
INDOOR FAN
CONNECTIONS
TERMINALS
NEUTRAL
AC INDOOR FAN
IFRC
H
L
M
IF-1
1
EARTH
HIGH
MED
LOW
NEUTRAL
INDOOR UNIT
CONNECTION-
A
