Airwell CVQA Series User manual

SERVICE MANUAL
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
23.AW.CVQA.015-050.R410A.SM.EN.20.07
New Mini 4 Ways Cassette Indoor Unit
CVQA R410a
English Manual
CVQA-025/022/015N-01M22
CVQA-050/045/035N-01M22

134
1. MINI 4-way cassette type indoor unit
1.1 Features
•Compact design
•New panel design 620*620mm
• Low sound level

135
1.2
type indoor unit
MINI 4-way cassette
Specication
Model CVQACVQA-015N-01M22 -022N-01M22 CVQA-025N-01M22
Power supply V-Ph-Hz 220-240/1/50/60 220-240/1/50/60 220-240/1/50/60
Cooling
Capacity kBtu/h 5.1 7.5 9.5
Capacity kW 1.5 2.2 2.8
Power Input W 17 17 17
Current A 0.2 0.2 0.2
Heating
Capacity kBtu/h 5.8 8.5 10.9
Capacity kW 1.7 2.5 3.2
Power Input W 17 17 17
Current A 0.2 0.2 0.2
Heating capacity at low temp. kW / / /
Operating current A 0.2 0.2 0.2
INDOOR
MOTOR
Brand Broad Ocean Broad Ocean Broad Ocean
Model ZW465C03 ZW465C03 ZW465C03
Type DC DC DC
Insulation Class B B B
IP Class IP40 IP40 IP40
Power Input W 35 35 35
Power output W 26 26 26
Capacitor μF / / /
Speed (High/Middle/Low) rpm 500/430/380 520/450/400 520/450/400
INDOOR
FAN
Brand Haier Haier Haier
Type Centrifugal Centrifugal Centrifugal
Quantity 1 1 1
INDOOR
COIL
a. Number of rows 1 1 1
b. Tube pitch(a)x row pitch(b) mm 21*13.3 21*13.3 21*13.3
c. Fin spacing mm 1.35 1.35 1.35
d. Fin type (code) Hydrophilic aluminum
e. Tube outside dia. and type mm Φ7 Φ7 Φ7
f. Coil length x height x width mm 1330*147*13.3 1330*147*13.3 1330*147*13.3
g. Number of circuits 5 5 5
Cabinet
Cabinet Coating Type Galvanized Galvanized Galvanized
Hour 100 100
Cabinet Salt Spray Test
Duration 100
Control Box IP Class IP40 IP40 IP40

136
Model CVQA-015N-01M22 CVQA-022N-01M22 CVQA-025N-01M22
Construction
Sheet Metal Thickness 0.8 0.8 0.8
Drain Pan Material PS PS PS
Drain Pan Insulation 20 20 20
Drain Pump Option Standard 1200mm Standard 1200mm Standard 1200mm
Branch Outlet Option no no no
Indoor Wall
Material Hot zinc plate Hot zinc plate Hot zinc plate
Thickness mm 0.8 0.8 0.8
Double or Single Skin Single Single Single
Air Filter
Material PP PP PP
Mesh 100 100 100
Pressure Drop Pa 5 5 5
Piping
dimension
Liquid pipe mm 6.35 6.35 6.35
Gas pipe mm 9.52 9.52 9.52
Drain hose mm Φ32 Φ32 Φ32
Panel
Model PB-620KB PB-620KB PB-620KB
Dimension mm 620/620/60 620/620/60 620/620/60
Packing mm 660/660/115 660/660/115 660/660/115
Net weight kg 2.8 2.8 2.8
Gross weight kg 4.5 4.5 4.5
Fresh air dimension mm Ф100 Ф100 Ф100
Sound pressure level (H/M/L) dB(A) 32/30/29 32/30/29 32/30/29
Sound power level (H/M/L) dB(A) 46/44/43 46/44/43 46/44/43
Standard static pressure Pa 0 0 0
m3 Indoor air ow (H/M/L) /h 650/540/430 700/590/480 700/590/480
Dimension (W*H*D) mm 580/260/580 580/260/580 580/260/580
Packing (W*H*D) mm 718/380/680 718/380/680 718/380/680
Net weight kg 16 16 16
Gross weight kg 19 19 19
Norminal condition: indoor temperature (cooling): 27°C DB/19°C WB, indoor temperature (heating): 20°C DB Outdoor
temperature(cooling): 35°C DB/24°C WB, outdoor temperature(heating): 7°C DB/6°C WB
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound intensity
meter. It is a sound pressure noise level.

137
type indoor unit
MINI 4-way cassette
Model CVQACVQACVQA-035N-01M22 -045N-01M22 -050N-01M22
Power supply V-Ph-Hz 220-240/1/50/60 220-240/1/50/60 220-240/1/50/60
Cooling
Capacity kBtu/h 12.3 15.3 19.1
Capacity kW 3.6 4.5 5.6
Power Input W 18 26 35
Current A 0.2 0.2 0.2
Heating
Capacity kBtu/h 13.6 17.1 21.5
Capacity kW 4 5 6.3
Power Input W 18 26 35
Current A 0.2 0.2 0.2
Heating capacity at low temp. kW / / /
Operating current A 0.2 0.2 0.2
INDOOR
MOTOR
Brand Broad Ocean Broad Ocean Broad Ocean
Model ZW465C03 ZW465C03 ZW465C03
Type DC DC DC
Insulation Class B B B
IP Class IP40 IP40 IP40
Power Input W 35 35 35
Power output W 26 26 26
Capacitor μF ///
Speed (High/Middle/Low) rpm 650/520/450 650/520/450 650/520/450
INDOOR
FAN
Brand Haier Haier Haier
Type Centrifugal Centrifugal Centrifugal
Quantity 1 1 1
INDOOR
COIL
a. Number of rows 222
b. Tube pitch(a)x row pitch(b) mm 21*13.3 21*13.3 21*13.3
c. Fin spacing mm 1.35 1.35 1.35
d. Fin type (code) Hydrophilic aluminum
e. Tube outside dia. and type mm Φ7 Φ7 Φ7
f. Coil length x height x width mm 1330*147*26.6 1330*147*26.6 1330*147*26.6
g. Number of circuits 10 10 10
Cabinet
Cabinet Coating Type Galvanized Galvanized Galvanized
Cabinet Salt Spray Test
Duration Hour 100 100 100
Control Box IP Class IP40 IP40 IP40

138
Model CVQA-035N-01M22 CVQA-045N-01M22 CVQA-050N-01M22
Construction
Sheet Metal Thickness 0.8 0.8 0.8
Drain Pan Material PS PS PS
Drain Pan Insulation 20 20 20
Drain Pump Option Standard 1200mm Standard 1200mm Standard 1200mm
Branch Outlet Option no no no
Indoor Wall
Material Hot zinc plate Hot zinc plate Hot zinc plate
Thickness mm 0.8 0.8 0.8
Double or Single Skin Single Single Single
Air Filter
Material PP PP PP
Mesh 100 100 100
Pressure Drop Pa 5 5 5
Piping
dimension
Liquid pipe mm 6.35 6.35 6.35
Gas pipe mm 12.7 12.7 12.7
Drain hose mm Φ32 Φ32 Φ32
Panel
Model PB-620KB PB-620KB PB-620KB
Dimension mm 620/620/60 620/620/60 620/620/60
Packing mm 660/660/115 660/660/115 660/660/115
Net weight kg 2.8 2.8 2.8
Gross weight kg 4.5 4.5 4.5
Fresh air dimension mm Ф100 Ф100 Ф100
Sound pressure level (H/M/L) dB(A) 33/30/29 33/30/29 34/32/30
Sound power level (H/M/L) dB(A) 47/44/43 47/44/43 48/46/44
Standard static pressure Pa 0 0 0
Indoor air ow (H/M/L) m3/h 700/590/480 700/590/480 700/590/480
Dimension (W*H*D) mm 580/260/580580/260/580 580/260/580
Packing (W*H*D) mm 718/380/680 718/380/680 718/380/680
Net weight kg 19 19 19
Gross weight kg 22 22 22
Norminal condition: indoor temperature (cooling): 27°C DB/19°C WB, indoor temperature (heating): 20°C DB Outdoor
temperature(cooling): 35°C DB/24°C WB, outdoor temperature(heating): 7°C DB/6°C WB
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound intensity
meter. It is a sound pressure noise level.

139
type indoor unit
MINI 4-way cassette
1.3 Dimension
SN Part Name
1Connection port of gas pipe
2Connection of liquid pipe
3Wiring connection port of motor/
pumping motor
4 Connect drain pipe
5 Inlet grill
6 Outlet grill
7Drain hose(Accessory)
When inlet grill is closed, the least
reserved space is 200mm
※
Decoration board620
Decoration board620
Pipe connection
diagram
Connect drain pipe
⑥
⑤
535(Gap betwwn
supending rod)
580(Indoor units)
590(Celing open)
Indoor units580
*At least 1500
Less than100
⑦
60
Space needed for
installation
*At least 1500
*At least 1500
*At least 1500
*Electric box maintenance window
600×600
*Electric box
Raisetolessthan
750
285
140
180
310
310
170
210
176
195
30 25
55
200 Adjustable(0-360)
Suspending
bolt
4-M8~M10
1
2
60 60
750
175
③
④
275
210
Less than 10
175
210
4-M3.2reserved hole
100
(Directinstallation)
60 60
Greater than 1000resreved space
Less than 2700 to the wall
（Installedathighplace）
580
580

140
1.4 Piping diagram
M
Fan
TC1
TC2
Indoor heat exchanger Gas pipe
(Flared joint) (Flared joint)
Liquid pipe
Filter EEV Filter
TA

141
type indoor unit
MINI 4-way cassette
1.5 Wiring diagram
PCB SW03
SW01
N
L
Y/R
BL(B)
BR(R)
T5A/250VAC
AC220V
LED5
PUMP
CN4
GB
M
CN22-1
CN22
CN16
CN21
CN31 CN31-1
CN46-1 CN46
CN34 CN24
CN13 CN14 CN23 CN27
CN36 CN26
CN41
PMV
Float switch
CN33
RK
WIFI
4
DC FAN
CN35
CN1
Tc1 Tc2 TA
2
2
RELAY
10
Display Board
Q
PAC
B
Wired Controller
3
Wired Controller
WHY G
CN38 CN17 CN20
CN11-1 CN11 CN7
RR
CN9 CN10
CN19 CN18
WHWHWH
RWH
RWH
WH
CN15
B
CN43 CN28
SST
TTL-PCPM2.5HUM
R
L-RXD
YWHB WH
R
485-PC
G
5
WH
CN8
WH
WH
BL WH
LED1
LED2
LED3
LED4
LED6
WH
Wire Controller With Indoor Unit Error Indicate Indoor Unit &Outdoor Unit
LED1、2 LED3、4
LED5
LED Definition
Colours: B:Black BL:Blue BR:Brown G:Green R:Red WH:White Y:Yellow
Symbol: Comm.add:communication address CC.add:Central Control address
Communication
With Outdoor
3
L-TXD
10
Swing4/1 Swing2/3
WH
B
CVQA-015~050N-01M22 PCB code：0151800244BA

142
1.6 Electric characteristics
Units Power supply Indoor fan motor Power input (w)
Model Phase FQY Voltage Volt.
range MCA MFA Output (W) FLA Cooling Heating
CVQA-015N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 17 17
CVQA-022N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 17 17
CVQA-025N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 17 17
CVQA-035N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 18 18
CVQA-045N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 26 26
CVQA-050N-01M22 1 50/60 220 198~242 0.325 1.04 26 0.26 35 35
Symbols:
MCA: Min. circuit amps (A)
MFA: Max. fuse amps of circuit breaker
Output: Fan motor rated output (w)
FLA: Full load amps (A)
Note:
1. Voltage range
The units are applicable for the electrical systems where voltage supplied to unit is in the range.
2. Maximum allowable voltage unbalance between phases is 2%.
3. MCA=1.25*FLA MFA≤4*FLA
4. Power supply uses the circuit breaker.