Argo 245C / 3SC Manual

Cooling only model
Heat pump model
ARGO 235H / 3HP
DISEGNO MACCHINA
TECHNICAL DATA & SERVICE MANUAL
ARGO 245C / 3SC
0.8180.405.2 09/2006

Page
A
SPECIFICATIONS
1) Unit specifications 3
2) Major Component specifications 4
BOPERATING RANG
E
5
CDIMENSIONAL DAT
A
6
DPERFORMANCE CHARTS 7
EREFRIGERANT FLOW DIAGRAMS 10
FFUNCTIONS
1) Cool Mode Operation 11
2) Heat Mode Operation 12
3) Auto (Cool/Heat) Mode Operation 13
4) Dry Mode Operation 14
5) Fan Mode Operation 15
6) Protection Operations in Cool and Dry Modes 15
7) Protection Operations in Heat Mode 17
8) Sleep Function 20
9) Daily Timer Function 20
10) IFEEL Function 20
11) Manual Unit control and Led indicators 21
12) Recovery from power failure 21
13) Outdoor fan operation 22
GELECTRIC WIRING DIAGRAMS 23/24
HTROUBLESHOOTING 25
IREFRIGERANT CHARG
E
32
LCHECKING ELECTRAL COMPONENTS
1) Measurement of Insulation Resistance 33
2) Checking Continuity of Fuse on PCS Ass'y 34
3) Checking Motor Capacitor 34
MBOILER CONNECTION KIT
1) Specifications and operating limits 35
2) Performance charts 36
3) Component specifications 37
4) Hydraulic connections and valves 38
Table of contents
2

S
PE
C
IFI
C
ATI
O
N
S
1) UNIT SPECIFICATIONS
COOLING HEATING
BTU / h 8020 7700
kW 2,35 2,25
BTU / h
kW
Air circulation (high/med/low) m3/ h
Moisture removal (high speed) Cooling l / h 1,0 ---
Dry 27°C ( 60% R.U.) liters / 24h 30 ---
30°C (80% R.U.) liters / 24h 59 ---
Voltage rating V
Available voltage range V
Running Ampere (air conditioner) A 4,2 4,0
Running Ampere (hot-water system) A
Power input (air conditioner) W 900 850
Power input (hot-water system) W
Power factor 0,93 0,92
C.O.P 2,61 2,65
Compressor locked rotor amperes A
Refrig./Stand. Charge at shipmen R410A
Ducts diameter ( 2pcs ) mm
Water connections diameter onli models 245C / 235H
mm
mm
mm
mm
kg
NOTE
Rating conditions:
Sound pressure
level (outdoor)
Air conditioner Hi dB(A) 53 to 4 m.
Air conditioner Lo dB(A) 48,5 to 4 m.
Net weight
162
Height
Widht
Depht
Holes diameter in the wall (2)
Data can be changed without notice
839
260-280
Sound pressure
level (Indoor)
50 / 48,75
Hot-water system Hi/Me/Lo dB(A)
Air conditioner Hi/Me/Lo dB(A)
DIMENSIONS AND WEIGHT
45-43-41
Not requested By duct
162
735
42-39-32
2,1
330-300-280
935
0,95
ELECTRICAL RATINGS
330-300-280
1,2
Capacity (hot-water
system)
4,3
0,10
UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP
Capacity (air
conditioner)
Power source 220 - 240 V 50 Hz
PERFORMANCES COOLING
8360
2,45
Cooling: outside air temp.: 35° C DB, indoor air temp.: 27° C DB, 19° C WB
Fan speed (hot-water system)
52 / 50,75
Condensate drain system
Compressor
Air filter
1/2"Gas
Vertical
Auto (manual for hot water system)
Refrigerant control
600g
Capillary tube
2,62
27
Rotary (hermetic)
Manual
3 + Auto
7160
Heating: outside air temp.: 7° C DB, 6° C WB, indoor air temp.: 20° C DB
FEATURES
Controls / temperature control Microprocessor / I.C. Thermostat
3
Airflow direction
(Indoor)
Horizontal
520g
Washable, easy access
59
30
220 - 240
Fan speed (air conditioner)
Wireless remote control unit
ON / OFF 24 hours and programTimer
Control unit
198 - 264
17
A
3

2) MAJOR COMPONENT SPECIFICATIONS
Controls
Jumper Setting J1….J8 (see Electric waring diagram)
Model
Resistance (at 25° C) kΩ
Resistance (at 25° C) kΩ
Resistance (at 25° C) kΩ
Resistance (at 25° C) kΩ
RESISTOR OUT P7
Resistance (at 25° C) kΩ
Nominal powe
r
W
Model
Number / Diameter / Lenght mm
No. of pole / rpm (230 V, high)
Nominal input W
Coil resistance (at 25° C) Ω
°C
µF
VAC
Model
Number / Diameter / Lenght mm
No. of pole / rpm (230 V)
Nominal input W
Coil resistance (at 25° C) Ω
°C
µF
VAC
Model
W
cc
Coil resistance (at 20° C) Ω
Ω
µF
VAC
°C
°C
Operating amp. (Ambient temp. 25° C)
THERMISTOR (OUTDOOR AIR SENSOR) TH5
10 ± 5%
Trip in 6 to 16 sec. at 16A
VLT-ORG: 62÷71
GRY-BRN: 78÷90
Open 150 ± 10K
Close
Setting
Led color
5PS102EAA
C-R : 3.863
C-S : 3.309
150 ± 5K
Autoreset
THERMISTOR (COIL SENSOR) TH3
Safety device
GRY-WHT: 545÷630
WHT-VLT: 92÷105
Part No.
Control circuit fuse (F1)
SWITCH INDICATOR ASSY PCB
2,54mm - 6 pcs 2,54mm - 5 pcs
Microprocessor
KSA - CTRL - DB
250VAC - 5A -T
CONTROLLER (PCB)
UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP
Run capacitor (C2)
Nominal cooling capacity
Open
Close
Setting
Run capacitor (C3)
COMPRESSOR (CM)
FAN & FAN MOTOR (FMO)
Safety device
Centrifugal 1 / Ø146 / 140
2 / 2060
180
(Internal bimetallic type)
BLU-BRN: 74± 5%
BLU-BLK: 66± 5%
Compressor oil RB68A or Freol Alpha68M
Open
Close
Operating
temperature
Overload relay (OLR)
Run capacitor (C1)
Autoreset
1,5
440
384208021
(Internal bimetallic type)
NTC (with brass pipe)
---
TMR : blu - STB : yellow - OPR : green
10 ± 1%
4,7 ± 5% ---
0,5 ± 5% ---
69 ± 9°C
148 ± 5°C
420
350
2350
External
30
REMOTE CONTROL UNIT RC-7 (ST) RC-7 (RC)
THERMISTOR (COIL SENSOR) TH1 NTC (with brass pipe)
10 ± 3%
THERMISTOR (ROOM SENSOR) TH2
10 ± 5%
450
Rotary ( Hermetic)
5
FAN & FAN MOTOR (FMI)
Cross-flow 1 / Ø100 / 515
4 / 1350
30
K35406-MO2024
D2E 146 - HS03 - 46
4

Model
Rating
Nominal intput
Coil resistance (at 20° C) Ω
SAFETY FLOAT SWITCH (FS)
Model
Contact rating
FLAP MOTOR (FLP)
Type
Model
Rating
Coil resistence (Ambient temp. 25°C) Ω
4 WAYS VALVE (20S
)
Model
Coil rating
Coil resistence (Ambient temp. 20°C) Ω
HEAT EXCHANGER COIL (EVAPORATOR
)
Coil
Rows
Fin pitch mm
Face area m
2
HEAT EXCHANGER COIL (CONDENSER
)
Coil
Rows
Fin pitch mm
Face area m
2
THERMOSTATIC VALVE DRAIN PA
N
Open °C
Close °C
Stroke mm
OPERATING RANGE
Cooling only model
Heat pump model
Cooling
Temperature
Maximum
Minimum 19° C DB/ 14° C WB
Aluminium plate fin / copper tube
4
1,3
0,111
43° C DB
19° C DB
Indoor air intake temp. Outdoor air intake temp.
32° C DB/ 23° C WB
Cooling
Heating
Temperature
Maximum
Minimum
Maximum
Minimum
Indoor air intake temp.
32° C DB/ 23° C WB
19° C DB/ 14° C WB
Outdoor air intake temp.
43° C DB
19° C DB
27° C DB
//
24° C DB / 18° C WB
-8° C DB / -9° C WB
Maximum
Minimum
32° C BS/ 80% R.U.
16° C BS/ 80% R.U.
43° C DB
16° C DB
Dry Maximum 32° C BS/ 80% R.U. 43° C DB
Minimum 16° C BS/ 80% R.U. 16° C DB
Dry
Stepping motor
MP24GA1
778 ± 8%
0,107
DC 12V
WHT-BLU (respectively 4 wires) : 380 ± 7%
230 V AC/DC - 0,5 A
AC 220V, 50 Hz, 6W
---
UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP
291036
CONDENSATE PUMP (PC)
220-240VAC~50Hz
Model ---
---
1,6
5W - 0,05A
1440 ± 5%---
Aluminium plate fin / copper tube
BI 1300 2725
---
---
DP 25-1101-07 or
SQ-136---
DP 25-1107
4,4
15,5
5,16
3
B
5

DIMENSIONAL DATA
C
All dimensions are in mm
6

Conditions: Power source 230 V - 1- 50 Hz - Single phas
e
Indoor air velocit
y
High speed
Cooling characteristics
Indoor relative humidity 48%
Capacity (%)
DISEGNO MACCHINA
Power input (%)
E.E.R. (%)
PERFORMANCE CHARTS
ARGO 245C / 3SC Cooling only model
D
60
70
80
90
100
110
120
130
140
19 23 27 31 35 39 43
W
32
27
19
outdoor air D.B.temp. °C
indoor air D.B. temp.
80
85
90
95
100
105
110
115
120
19 23 27 31 35 39 43
W
outdoor air D.B. temp. °C
32
27
19
indoor air D.B. temp. °C
40
60
80
100
120
140
160
19 23 27 31 35 39 43
W/W
indoor air D.B. temp. °C
32
27
19
outdoor air D.B. temp. °C
7

Conditions: Power source 230 V - 1- 50 Hz - Single phas
e
Indoor air velocit
y
High speed
Cooling characteristics
Indoor relative humidity 48%
Capacity (%)
DISEGNO MACCHINA
Power input (%)
E.E.R. (%)
ARGO 235H / 3HP Heat pump model
60
70
80
90
100
110
120
130
140
19 23 27 31 35 39 43
w
indoor air D.B. temp. °C
outdoor air D.B.tem
p
. °C
19
27
32
75
80
85
90
95
100
105
110
115
19 23 27 31 35 39 43
w
outdoor air D.B. tem
p
. °C
indoor air D.B. temp. °C 32 27
19
40
60
80
100
120
140
160
19 23 27 31 35 39 43
W/W
outdoor air D.B. temp. °C
indoor air D.B. temp. °C
19
27
32
8

Heating characteristics
Outdoor relative humidity 85%
Capacity (%)
DISEGNO MACCHINA
Power input (%)
COP (%)
60
70
80
90
100
110
120
130
-10 -6 -2 2 6 10
W
indoor air D.B. tem
p
.20°C
outdoor air D.B.tem
p
. °C
75
80
85
90
95
100
105
110
115
-10 -6 -2 2 6 10
W
indoor air D.B. tem
p
.20°C
outdoor air D.B.tem
p
. °C
40
60
80
100
120
140
160
-10 -6 -2 2 6 10
W/W
indoor air D.B. tem
p
.20°C
outdoor air D.B.tem
p
. °C
9

REFRIGERANT FLOW DIAGRAM COOLING MODEL
REFRIGERANT FLOW DIAGRAM HEAT PUMP MODEL
ARGO 245C / 3SC
ARGO 235H / 3HP
E
10

1 Cool Mode Operation
FUNCTION
F
11

2 Heat Mode Operation
12

3 Auto (Cool/Heat) Mode Operation
13

4 Dry Mode Operation
14

5 Fan Mode Operation
6 Protection operations in Cool and Dry Mode
1. Indoor Coil Defrost Protection
DISEGNO MACCHINA
5 Protection Operations in Cool and Dry Modes
15

2. Outdoor Coil High Pressure Protection
16

2. Indoor Coil High Pressure Protection in Heat Mode
19

8 Sleep Function
9 Daily Timer Function
10 IFEEL Function
20