Cleaning of primary filter and replacement of PM2.5 filter (if any):
1. Open the access cover on the equipment (or on the flange of the air outlet) after entering the ceiling
through the equipment inspection port.
2. Pull out the old primary filter, and the removed primary filter can be flicked gently by hand, or use a
vacuum cleaner to remove dirt and dust. When it is dirty, it can be washed in warm water with deter-
gent (neutral). When the filter is severely dusty or damaged, it should be replaced in time to avoid af-
fecting the service time of the PM2.5 filter. The primary filter is fully dried naturally and then inserted
back into the equipment.
3. The PM2.5 filter cannot be cleaned with water. When it is dirty, it needs to be replaced with a new
one. When replacing the heat exchanger core, remove the dirty PM2.5 filter after opening the quick cali-
per, replace it with a new filter, and install it. Then put the heat exchanger core back in place.
Maintenance of heat exchanger
1. Pull the heat exchanger core out of the body.
2. Use the vacuum cleaner nozzle to suck up dirt and
dust on the surface.
3. After cleaning, install the movement and filter in
place, and close the inspection cover.
Remarks: It is recommended maintenance of the ex-
changer is made every 3 years
Maintenance
适用于
1500-3000
风量设备
YOKO(X)-D40H~D60H
YOKO(X)-D15TG~D30TG
YOKO(X)-D15PMTG~D30PMTG
Filter
PM2.5 Filter
Quick calipers
21
Filter
Filter
Failure diagnose
User can use the unit after trial operation. Before contacting us, you can make self trouble shooting fol-
lowing below chart in case of any failure.
Phenomenon
Possible reason
Solutions
The airflow volumes both in-
door and outdoor vents drop
obviously after a period of op-
eration.
1. Dust and dirt blocking the filter
2. PM2.5 filter is severely blocked
Replace or clean the filter
Noise comes from vents
Vents installation are loosing.
Re-tightening the vents con-
nections
Unit doesn’t work
1. Power loss or power failure
2. Device control fuse protection
3. Equipment thermal relay dis-
connect protection
4. Equipment circuit breaker trip
protection.
1. Repair power
2. Check whether the control
circuit is short-circuited, and
replace the fuse of the same
specification after repair
3. Fan overheating or overcur-
rent protection, check whether
the fan is blocked or other rea-
sons
4. The fan is short-circuited or
damaged, and the fan of the
same specification needs to be
replaced
Failure diagnose
22
23
Specifications and performance parameters
Model
Airflow(m
3
/h)
External pres-
sure
(
Pa)
Enth. Eff (%)
Temp. Eff
(%)
Noise
dB
(A)
Volt-
age
(
V)
Current
(
A)
N.W
(
kg
)
Input Power
(
W)
Cooling
Heating
L
M
H
L
M
H
L
M
L
L
M
H
L
M
H
L
M
H
L
M
H
L
M
H
YOKO-D15TG
1000
1500
1500
84
135
163
69
66
66
74
70
70
74
71
71
46
49
51
220
2.3
3.6
3.8
485
740
785
110
XHBX-D15TG
-
-
-
-
-
-
76
74
74
114
YOKO-D20TG
1200 2000
2000
110
132
176
65
62
62
73
71
71
74
71
71
49
51
53
220
3.0
4.6
4.8
650
980
1020
112
XHBX-D20TG
-
-
-
-
-
-
76
74
74
116
YOKO-D25TG
2000 2500 2500 140 170 200
64
61
61
72
70
70
73
70
70
50
52
55
220
4.5
6.0
6.3
940
1250
1300
130
XHBX-D25TG
-
-
-
-
-
-
74
72
72
142
YOKO-D30TG
2500 3000 3000 150 180 210
63
60
60
71
69
69
73
70
70
51
54
57
220
6.5
8.7
9.0
1400
1870
1950
142
XHBX-D30TG
-
-
-
-
-
-
74
72
72
155
Specifications and performance parameters (parameters are subject to the nameplate)
Model
Airflow
(
m3/h
)
External pres-
sure
(
Pa)
Enth. Eff (%)
Temp. Eff
(%)
Noise dB(A)
Voltage
(
V)
Current
(
A)
N.W
(
kg
)
Input Power
(
W)
Cooling
Heating
L
M
H
L
M
H
L
M
H
L
M
H
L
M
H
L
M
H
L
M
H
L
M
H
YOKO-D15PMTG
1000
1500
1500
74
125
153
69
66
66
74
70
70
74
71
71
46
49
51
220
2.3
3.6
3.8
485
740
785
115
XHBX-D15PMTG
-
-
-
-
-
-
76
74
74
119
YOKO-D20PMTG
1200 2000
2000
95
116
160
65
62
62
73
71
71
74
71
71
49
51
53
220
3.0
4.6
4.8
650
980
102
0
117
XHBX-D20PMTG
-
-
-
-
-
-
76
74
74
121
YOKO-D25PMTG
2000 2500 2500 125 155 185
64
61
61
72
70
70
73
70
70
50
52
55
220
4.5
6.0
6.3
940
1250
130
0
137
XHBX-D25PMTG
-
-
-
-
-
-
74
72
72
149
YOKO-D30PMTG
2500 3000 3000 135 165 195
63
60
60
71
69
69
73
70
70
51
54
57
220
6.5
8.7
9.0
1400
1870
195
0
150
XHBX-D30PMTG
-
-
-
-
-
-
74
72
72
163
Model
Airflow
(
m3/
h
)
External
pressure
(
Pa)
Enth. Eff (%)
Temp. Eff
(%)
Voltage
(
V)
Current
(
A)
Power
(
W) N.W
(
kg
)
Noise dB(A)
Cooling
Heating
YOKO-D40H
4000
260
62
69
70
59
380
5.6
2000
240
XHBX-D40H
-
-
72
260
YOKO-D50H
5000
260
61
64
70
68
380
8.4
3000
300
XHBX-D50H
-
-
72
320
YOKO-D60H
6000
300
60
62
68
70
380
11.8
4400
355
XHBX-D60H
-
-
69
375
YOKO ELECTRIK LTD.
Factory address:
100114, Uzbekistan, Tashkent city,
Yunusabad district
Flat #42, Xurshid Street 87, C-6
Tax ID 307 674 256
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