Argo FC22MHG Manual

TECHNICAL DATA
& SERVICE MANUAL
SPLIT SYSTEM AIR CONDITIONER
FC45MHG
FC56MHG
38.7005.979
38.7005.989
38.7005.980
0.8180.433.1 09/2006
Model No. Product Code No.
FC22MHG 38.7005.977
38.7005.981
38.7005.978FC28MHG
FC36MHG
FC64MHG

IMPORTANT!
Please read before installation
This air conditioning system meets strict safety and operating
standards.
For the installer or service person, it is important to install or
service the system so that it operates safely and efficiently.
For safe installation and trouble-free operation, you must:
• Carefully read this instruction booklet before beginning.
• Follow each installation or repair step exactly as shown.
• Observe all local, state and national electrical codes.
• Pay close attention to all warning and caution notices given in
this manual.
•The unit must be supplied with a dedicated electrical line.
This symbol refers to a hazard or unsafe practice which can result
in severe personal injury or death.
This symbol refers to a hazard or unsafe practice which can result
in personal injury or product or property damage.
If necessary, get help
These instructions are all you need for most installation sites and
maintenance conditions.
If you require help for a special problem, contact our sale/service
outlet or your certified dealer for additional instructions.
In case of improper installation
The manufacturer shall in no way be responsible for improper
installation or maintenance service, including failure to follow the
instructions in this document.
SPECIAL PRECAUTIONS
• During installation, connect before the refrigerant system and
then the wiring one; proceed in the reverse orden when removing
the units.
When wiring
ELECTRICAL SHOCK CAN CAUSE SEVERE
PERSONAL INJURY OR DEATH. ONLY QUALIFIED,
EXPERIENCED ELECTRICIANS SHOULD ATTEMPT
TO WIRE THIS SYSTEM.
• Do not supply power to the unit until all wiring and tubing are
completed or reconnected and checked, to ensure the grounding.
• Highly dangerous electrical voltages are used in this system.
Carefully refer to the wiring diagram and these instructions when
wiring.
Improper connections and inadequate grounding can cause
accidental injury and death.
•Ground the unit following local electrical codes.
• The Yellow/Green wire cannot be used for any connection
different from the ground connection.
• Connect all wiring tightly. Loose wiring may cause overheating
at connection points and a possible fire hazard.
• Do not allow wiring to touch the refrigerant tubing, compressor,
or any moving parts of the fan.
• Do not use multi-core cable when wiring the power supply and
control lines. Use separate cables for each type of line.
When transporting
Be careful when picking up and moving the indoor and outdoor
units. Get a partner to help, and bend your knees when lifting to
reduce strain on your back. Sharp edges or thin aluminium fins on
the air conditioner can cut your fingers.
When installing...
• Keep all tubing runs as short as possible.
• Use the flare method for connecting tubing.
• Apply refrigerant lubricant to the matching surfaces of the flare
and union tubes before connecting them; screw by hand and
then tighten the nut with a torque wrench for a leak-free
connection.
• Check carefully for leaks before starting the test run.
NOTE:
Depending on the system type, liquid and gas lines may be either
narrow or wide. Therefore, to avoid confusion, the refrigerant
tubing for your particular model is specified as narrow tube for
liquid, wide tube for gas.
When servicing
• Turn the power OFF at the main power board before opening
the unit to check or repair electrical parts and wiring.
• Keep your fingers and clothing away from any moving parts.
• Clean up the site after the work, remembering to check that no
metal scraps or bits of wiring have been left inside the unit being
serviced.
• Ventilate the room during the installation or testing the refrigeration
system; make sure that, after the installation, no gas leaks are
present, because this could produce toxic gas and dangerous
if in contact with flames or heat-sources.
WARNING
CAUTION
WARNING
… In a ceiling
Make sure the ceiling is strong enough to hold the unit-weight.
It may be necessary to build a strong wooden or metal frame to
provide added support.
… In a room
Properly insulate any tubing run inside a room to prevent
"sweating", which can cause dripping and water damage to
walls and floors.
... In moist or uneven locations
Use a raised concrete base to provide a solid level foundation
for the outdoor unit. This prevents damage and abnormal
vibrations.
... In area with strong winds
Securely anchor the outdoor unit down with bolts and a metal
frame. Provide a suitable air baffle.
... In a snowy area (for heat pump-type systems)
Install the outdoor unit on a raised platform that is higher then
drifting snow. Provide snow vents.
When connecting refrigerant tubing
2

Page
1. SPECIFICATIONS 4
1-1 Unit specifications 4
1-2 Major Component specifications 7
1-3 Other Component specifications 9
2. DIMENSIONAL DATA 10
3. ELECTRICAL DATA 11
3-1 Electric Wiring Diagram 11
3-2 Control PCB switches and functions 12
4. FUNCTION 13
4-1 Room Temperature Control 13
4-2 Automatic control for heating and cooling 14
5. REPLACING PCB 15
5-1 Replacing PCB 15
5-2 How to replace PCB 16
5-3 How to replace EEPROM with EEPROM included in PCB service pack 17
5-4 Table of setting 19
6. SERVICING AND MAINTENANCE FUNCTIONS 20
6-1 Indoor unit refrigerant noise countermeasures 20
6-2 Outdoor unit noise countermeasures: EEPROM 05 20
7. TROUBLE DIAGNOSIS 21
7-1 Contents of remote controller switch alarm display 21
7-2 Outdoor unit control panel led display 23
7-3 Trouble indications and inspection points 24
7-4 Remote controller servicing functions 26
7-5 Multiset alarm codes 27
7-6 Inspection of parts 50
Table of Contents
3

1. SPECIFICATIONS
1-1 Unit Specifications
FC22/28/36MHG
Power source
V
olta
g
e ratin
g
Performance
Capacity
Air circulation (High/Med./Low) m³/h
Features
Controls/Temperature controls
Remote Controller (Option) wired
wireless
Fan speed
Airflow direction
Air Filter
Sound pressure level high/med/low dB(A)
Refrigerant tubing connections
Refrigerant Narrow tube mm(in.)
tube diameter Wide tube mm(in.)
Refrigerant
Refrigerant control
Dimensions & Wei
g
ht
Dimensions Unit Height mm
Width mm
Depth mm
Package dimensions Unit Height mm
Width mm
Depth mm
Volume m3
Weight Net kg
Shipping kg
DATA SUBJECT TO CHANGE WITHOUT NOTICE
680
Auto (Remote control)
Electronic expansion valve
Washable
55/51/46
Flare type
6,35 (1/4)
12,7 (1/2)
R410A
220 - 240V ~ 50Hz
230V
Cooling Heating
See catalogue with the requested matching
700/590/500
Microprocessor/ I.C. thermostat
3 and Auto
REM HW / REM HWSM
REM HLFC/ASS / REM HLACS
296
23,5
31,5
900
0,24
813
1011
190
4

FC45/56MHG
Power source
V
olta
g
e ratin
g
Performance
Capacity
Air circulation (High/Med./Low) m³/h
Features
Controls/Temperature controls
Remote Controller (Option) wired
wireless
Fan speed
Airflow direction
Air Filter
Sound pressure level high/med/low dB(A)
Refrigerant tubing connections
Refrigerant Narrow tube mm(in.)
tube diameter Wide tube mm(in.)
Refrigerant
Refrigerant control
Dimensions & Wei
g
ht
Dimensions Unit Height mm
Width mm
Depth mm
Package dimensions Unit Height mm
Width mm
Depth mm
Volume m3
Weight Net kg
Shipping kg
DATA SUBJECT TO CHANGE WITHOUT NOTICE
3 and Auto
Auto (Remote control)
60/57/54
REM HLFC/ASS / REM HLACS
Flare type
6,35 (1/4)
R410A
Electronic expansion valve
REM HW / REM HWSM
Washable
23,5
220 - 240V ~ 50Hz
230V
Cooling Heating
See catalogue with the requested matching
Microprocessor/ I.C. thermostat
830/760/665
31,5
12,7 (1/2)
813
296
1011
0,24
190
900
680
5

FC64MHG
Power source
V
olta
g
e ratin
g
Performance
Capacity
Air circulation high/med/low m³/h
Features
Controls/Temperature controls
Remote Controller (Option) wired
wireless
Fan speed
Airflow direction
Air Filter
Sound pressure level high/med/low dB(A)
Refrigerant tubing connections
Refrigerant Narrow tube mm(in.)
tube diameter Wide tube mm(in.)
Refrigerant
Refrigerant control
Dimensions & Wei
g
ht
Dimensions Unit Height mm
Width mm
Depth mm
Package dimensions Unit Height mm
Width mm
Depth mm
Volume m3
Weight Net kg
Shipping kg
DATA SUBJECT TO CHANGE WITHOUT NOTICE
1011
0,24
23,5
31,5
15,88 (5/8)
813
296
R410A
Electronic expansion valve
680
190
900
Auto (Remote control)
60/57/54
Flare type
9,52 (3/8)
Washable
220 - 240V ~ 50Hz
230V
Cooling Heating
REM HLFC/ASS / REM HLACS
3 and Auto
See catalogue with the requested matching
Microprocessor/ I.C. thermostat
830/760/665
REM HW / REM HWSM
6

1-2 Major Component Specifications
FC22/28/36MHG
Controller PCB
Part No.
Controls
Fan & Fan Motor
Type
Q'ty ……. Dia. and lenght mm
Fan motor model…Q'ty
No. Of poles…rpm (230 V, High)
Running Amps A
Power input W
Coil resistance (Ambient temp. 25 °C ) ΩGRY-WHT: 194 ÷ 223
WHT-PNK: 238 ÷ 274
WHT-VLT: 80,1 ÷ 92,2
VLT-ORG: 80,1 ÷ 92,2
ORG-YEL: 200 ÷ 230
Safety devices Type
Operating temp. Open °C
Close °C
Run capacitor µF
VAC
Flap motor
Model
Rating
Rpm
Nominal output W
Coil resistance (25°C) kΩ
Electronic expansion valve
Coil
Valve body
Heat Exch. Coil
Coil
Rows
Fin pitch mm
face area m2
DATA SUBJECT TO CHANGE WITHOUT NOTICE
M2LB24ZA12
UKV-U030E
UKV-18D31
1,5
Internal thermal protector
145 ± 5K
Automatic reclosing
0,29
65
Microprocessor
CR-CRP50A-B
Centrifugal fan
K48407-MO1596 …1
4… 1160
15,62 ± 15%
450
3
240 VAC
2…. Ø 130 L 180
0,167
Aluminium plate fin / Copper tube
2,5
1,8
2
7

FC45/56/64MHG
Controller PCB
Part No.
Controls
Fan & Fan Motor
Type
Q'ty ……. Dia. and lenght mm
Fan motor model…Q'ty
No. Of poles…rpm (230 V, High)
Running Amps A
Power input W
Coil resistance (Ambient temp. 25 °C ) ΩGRY-WHT: 124 ÷ 144
WHT-PNK: 255 ÷ 294
WHT-VLT: 69,3 ÷ 79,8
VLT-ORG: 69,3 ÷ 79,8
ORG-YEL: 200 ÷ 233
Safety devices Type
Operating temp. Open °C
Close °C
Run capacitor µF
VAC
Flap motor
Model
Rating
Rpm
Nominal output W
Coil resistance (25°C) kΩ
Electronic expansion valve
Coil
Valve body
Heat Exch. Coil
Coil
Rows
Fin pitch mm
face area m2
DATA SUBJECT TO CHANGE WITHOUT NOTICE
0,167
1,6
Aluminium plate fin / Copper tube
3
3
M2LB24ZA12
240 VAC
2
440
Internal thermal protector
145 ± 5K
Automatic reclosing
2,5
CR-CRP50A-B
Centrifugal fan
15,62 ± 15%
UKV-U030E
UKV-25D32
Microprocessor
2…. Ø 130 L 180
K48410-MO1598 …1
4… 1160
0,41
88
8

1-3 Other Component Specifications
Trasformer
Rating Primary
Secondary 1
Secondary 2
Secondary 3
Thermal cut-off temp.
Thermistor
(
Coil sensor E1, E2
)
Resistance kΩ
Thermistor
(
Coil sensor E3
)
Resistance kΩ
Thermistor
(
Room sensor TA, TF/BL
)
Resistance kΩ
ATR-IIJ225A
VAC 230V, 50Hz
AC 20V - 0.2A
AC 14V - 0.3A
PBC-41E-S26
AC 10,2V - 1.4A
136°C
0 °C 15,0 ± 5%
PBC-41E-S42-2
0 °C 15,0 ± 4,42%
25 °C 5,0 ± 4%
DHKTEC-35-S85N
9

2. DIMENSIONAL DATA
Units: mm
10

3. ELECTRICAL DATA
3-1 Electric Wiring Diagram
7P terminal board
1(L) 2(N) U1 U2 R1 R2
w
i
r
i
ng
remote
con
t
ro
ll
e
r
power
supp
ly
inter-unit
con
t
ro
l
11

3-2 Control PCB switches and functions
CR-TRP50A-B OC (CN040)
EMG (CN044)
VARISTOR
(VA041)
JP1 DISP (CN072)
EXCT (CN073) FILTER (JP001)
(CN070) CHK (CN071)
FAN DRIVE GRL
(CN032) (CN020) T10 (CN061)
POWER LED
(D002) EEPROM
(IC010)
T10: 6 plug (yellow): used for remote control. (Refer to the remote control section)
(CN061) 1- start/stop input 2- COM
3- remote control prohibit/release input 4- start signal output
5- COM (+DC12v) 6- alarm signal output T10
EXCT: 2P plug (red): Can be used for demand control. When imput is present, forces the unit to operate
(CN073) with the termostat OFF.
DISP: 2P plug (white): Short-circuiting this plug allows the unit to be operated by the remote controller, even if it is not
(CN072) connected to an outdoor unit. (In this case, alarm "E04", which indicates trouble in the serial communication
between the indoor and outdoor unit, does not occur.)
CHK: 2P plug (white): Test pin. Short-circuiting this pin allows the indoor FM (H fan speed), drain pump,
(CN071) flap motor (F1 position), and electronic expansion valve full-open position to checked. However this function
turns OFF if the indoor unit protection mechanism is activated. The unit can be operated even if the remote
controller and outdoor unit are not connected. However even if the remote controller cannot is connected,
it cannot be used to operate the unit. This function can be used for short-term tests.
JP1: Jumper wire: Allows selection of the T10 terminal
(JP001)
12

4. FUNCTIONS
4-1 Room temperature control
13

4-2 Automatic control for heating and cooling
14

5. REPLACING PCB
5-1 Replacing PCB
About EEPROM
(Erasable Programmable Read-Only Memory)
EEPROM is a component in which the various information necessary for functionning
can be electronically written or erased. This component holds informations
that is essential for the running of the unit, and must be handled with care.
D002
led lamp (red)
15

5-2 How to replace PCB
16

5-3 How to replace EEPROM with EEPROM included in PCB service pack
17

18

5-4 Table of settings
19

6. SERVICING AND MAINTENANCE FUNCTIONS
20