Special Installation Methods - Friedrich C24YF Installation Instruction Sheet

8
TEST RUN
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button simultane-
ously for 2 seconds or more to start the test run.
Test run display
(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication "E:EE" is displayed, follow the following items to
perform the self-diagnosis. "E:EE" indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
(1) Stop the air conditioner operation.
(2) Press the set temperature buttons simultaneously for
5 seconds or more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
Unit number (usually 0)
Error code
SU MO TU WE TH FR SA
Ex. Self-diagnosis
(3) Press the set temperature buttons simultaneously for
5 seconds or more to stop the self-diagnosis.
Error code Error contents
Communication error
00
(indoor unit remote controller)
Communication error
01
(indoor unit outdoor unit)
Room temperature sensor open
02
Room temperature sensor short-circuited
03
Indoor heat exchanger temperature sensor open
04
Indoor heat exchanger temperature sensor short-
05
circuited
Outdoor heat exchanger temperature sensor
06
Power source connection error
08
Float switch operated
09
Outdoor temperature sensor
0A
Discharge pipe temperature sensor
0c
Model abnormal
11
Indoor fan abnormal
12
Error code Error contents
Outdoor signal abnormal
13
Excessive outdoor pressure (permanent stop)
14
Compressor temperature sensor
15
Pressure switch error
16
IPM error
17
CT error
18
Active filter module (AFM) error
19
Compressor does not operate
1A
Outdoor unit fan error
1b
Communication error
1c
(inverter multicontroller)
2 way valve sensor error
1d
Expansion valve error
1E
Connection indoor unit error
1F
2. CHECKING DRAINAGE
To check the drain, remove the water cover and fill with 2 to 3rof water as
shown in figure.
The drain pump operates when operating in the cooling mode.
Drain pipe
Water cover
Watering pot
9
SPECIAL INSTALLATION
METHODS
CAUTION
1 When setting the rotary switch and DIP switches, do
not touch any other parts on the circuit board directly
with your bare hands.
2 Be sure to turn off the main power.
1. GROUP CONTROL SYSTEM
A number of indoor units can be operated at the same time using a single
remote controller.
(1) Wiring method (indoor unit to remote controller)
0 1 2
Indoor unit No. Indoor unit No. Indoor unit No. Indoor unit No.
1 2 3 1 2 3 1 2 3 1 2 3
Remote
controller
wire 1 2 3
Remote
controller
(2) Rotary switch setting (indoor unit)
Set the unit number of each indoor unit using the rotary switch on the
indoor unit circuit board.
The rotary switch is normally set to 0.
(3) DIP switch setting (remote controller)
Change DIP switch 1 No. 3 on the remote controller from OFF to ON.
Indoor unit Remote controller
OFF ON
1
2
3
4
5
6
SW3
ON
Rotary Switch DIP Switch 1
2. DUAL REMOTE CONTROLLERS (OPTIONAL)
Two separate remote controllers can be used to operate the indoor units.
(1) Wiring method (indoor unit to remote controller)
Indoor unit
1 2 3
Remote
controller
wire
1 2 3 1 2 3
Remote
Master Slave
controller
unit unit
(2) DIP switch setting (remote controller)
Set the remote controller DIP switch 1 No. 1 and 2 according to the
following table.
Number of Master unit
Remote controller
remote
DIP-SW 1 No. 1 DIP-SW 1 No. 2
controllers
OFF
1 (Normal) ON OFF
1
2
2 (Dual) OFF OFF
3
4
5
6
Number of Slave unit
remote
DIP-SW 1 No. 1 DIP-SW 1 No. 2
controllers
DIP Switch 1
1 (Normal) – –
2 (Dual) ON ON
3. AUTO RESTART
• When the air conditioner power was temporarily turned off by a power
failure etc., it restarts automatically after the power recovers.
(Operated by setting before the power failure)
The auto restart function can be
canceled.
(1) DIP switch setting (indoor unit)
Change the DIP switch (SW1-1)
on the indoor unit circuit board
from ON to OFF. The auto restart
function will be canceled.
[DIP-SWITCH SETTING]
● Indoor unit
3
SW state
NO.
OFF ON
Validity ★ Auto restart setting
1 Invalidity
★ Temperature correction
DIP-Switch 1 2 — —
★ setting
3 — —
★
1 — —
★
DIP-Switch 4 2 — —
★
3 — —
● Remote controller
SW state
No.
OFF ON
★
1
Dual remote controller setting
★
2
★ One unit
DIP- 3 Multiple units Group control setting
switch 1 ★ Heat & cool model
4 Cooling only model Model setting
★ Validity
5 Invalidity AUTO changeover setting
★ Invalidity
6 Validity Memory Backup setting
★ Validity
1 Invalidity THERMO SENSOR button setting
★ Validity
2 Invalidity ENERGY SAVE button setting
★ Invalidity
DIP-
3 Validity Horizontal airflow direction and swing button setting
switch 2 ★ Validity
4 Invalidity Vertical airflow direction and swing button setting
★ Fixed at OFF
5 Cannot be used.
★ Fixed at OFF
6 Cannot be used.
10
OPENING THE DUCT
CONNECTION HOLE
Distribution duct
ON
Indoor unit
OFF
SW1 SW4
DIP Switch
Detail
Remote controller setting
Air flow setting
Detail
(★: Factory setting)
Fresh air
Distribution duct