- 2 -
2 MODEL SELECTION
2.1 Model function
2.1.1 Model:
SRK20MA–S (Indoor unit)
SRC20MA–S (Outdoor unit)
Item
Unit
Indoor unit SRK20MA–S
Outdoor unit SRC20MA–S
Net weight
kg
10
32
Machine
dimension
mm
798×230×294
780×290×540
Package
dimension
Length×
Width ×Height
850×365×310
920×380×590
Color
White
Ash-colored
Fan
Through-flow type, AS resin +
glass fiber
Axial flow type, AS resin + glass
fiber (embedded damping spindle
sleeve)
Air flow
m
3
/h
600
1800
Noise in cool
room
dB(A)
Hi/Me/Lo: 37/27/21(completely
mute, SPL)
43(completely mute, SPL)
Noise in warm
room
dB(A)
Hi/Me/Lo: 37/28/24(completely
mute, SPL)
45(completely mute, SPL)
Fan motor
Nominal value
33W, DC motor, insulation grade E
24W, DC motor, insulation grade E
Power of motor
W (reference
value)
19
20
Power of electric
control
W (reference
value)
2
7.5
Power supply and
power cord
Single-phase, 220V, 50Hz and 3-core, 1.0mm
2
, 250V, 10A, 2m, w/o plug
Heat exchanger
Spiral, hydrophilic, 4-folded,
15-section, 2-row, 528-fin, 1-2
circuit
Spiral, hydrophilic, 20-section,
1-row, 621-fin, 2-1 circuit
Compressor
Nominal value
THACOM RM-B5077MDE2, 527W, DC frequency conversion
compressor, insulation grade E
Refrigerating
machine oil
ml
300, DIAMOND FREEZE MA68
Refrigerant
controller
Electronic expansion valve (Φ1.5mm) + hush pipe
Refrigerant
g
R-410A, 900g, addition/reduction not needed within the use range of 15m
Operating
pressure limit
Mpa
Max.: 4.15, Min.: 1.47
Air filters
Lysozyme
Antibacterial deodorizing Mould-proof air filter
Accessories and
quantity
Indoor unit 1, mounting plate 1, tapping screw 5, battery 2, use and
installation manual 1, remote controller 1, filter components 2, outdoor unit
1, Drain elbow 1, Water shutoff plug 1
Operation control
devices
Wireless remote controller, electronic thermostat controlling room
temperature, microcomputer controlling defrosting
Safety devices
Serial signal protection, fan error protection, compressor over heat
protection, high voltage protection, over current protection, etc.
* The nominal values of “Noise in cool room” and “Noise in warm room” in the above table are tested in a dead
room.
Item
Unit
Rating cooling
Rating heating
Capacity
W
2000
2700
Power
W
450
600
Energy efficiency ratio
4.44
4.50
Energy efficiency grade
Grade A (European norm)
Note (1) The data are measured at the following conditions. The pipe length is 5m.
Item
Operation
Indoor air temperature
Outdoor air temperature
Standards
DB
WB
DB
WB
Cooling
27
℃
19
℃
35
℃
24
℃
Heating
20
℃
—
7
℃
6
℃
Low temperature Heating
20
℃
—
2
℃
1
℃
(2) The operation data are applied to the 220Vdistricts respectively.
(3) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.
(Purging is not required even for the short piping.)
Summary of Contents for SRC20MA-S
Page 10: ... 7 ...
Page 15: ... 12 3 ELECTRICAL WIRING DIAGRAM 3 1 Circuit diagram 20 25 35MA S ...
Page 16: ... 13 3 2 Circuit diagram 50MA S ...
Page 62: ... 59 12 Check method for outdoor unit 1 Circuit diagram of 20 25 and 35MA S outdoor units ...
Page 63: ... 60 2 Circuit diagram of 50MA S outdoor unit ...
Page 84: ... 81 ...
Page 87: ... 84 ...
Page 90: ... 87 ...
Page 93: ... 90 ...
Page 96: ... 93 ...
Page 99: ... 96 ...
Page 102: ... 99 ...
Page 105: ... 102 ...
Page 107: ... 104 18 RYF141A005 PLATE BAFFLE 1 19 RYF111A003F BASE ASSY 1 ...
Page 111: ... 108 19 RYF111A003F BASE ASSY 1 ...
Page 115: ... 112 19 RYF111A003F BASE ASSY 1 ...
Page 119: ... 116 19 RYF111A002G BASE ASSY 1 ...