Physical Installation
1.Installer to prepare suitable threaded hangers with adjustable nuts and gaskets.
2.Install as shown by the image following.
3.The outlet of water drain of sensible ventilators should use the U sharped trap.
4. Insufficient installation will cause danger and cause vibration.
Notes for reverse installation of the unit
:
1. the labeling shows the unit is upside down.
2. Install lifting lug in reverse direction, otherwise, the stop iron of ceiling hanging screw will useless
for protection, causing danger.
天花板吊装螺杆
(
Φ
10-
Φ
12)
螺母
垫圈
吊装部件
垫圈
螺母
Suspending screw pole
Nut
Gasket
Suspending Part
Gasket
Nut
Installation Diagram
9
Installation Considerations
新风入口
室外新风管道
天棚垂吊螺栓
新风管道
室内回风
室内送风
污风管道
绝热材料
排风管道
污风出口
污风入口
新风出口
Fresh
Air in
Supply Air
Return Air
RA
SA
Exhaust Air out
Fresh Air Duct
Exhaust Air Duct
Insulation
Outside Fresh Air Duct
Suspending Pole
Discharge Air Duct
Power must be isolated during installation and before maintenance to avoid injury by electric shock. The
specifications of cables must strictly match the requirements, otherwise it may cause performance fail-
ure and danger of electric shock or fire.
1. Power supply is AC220V/50HZ/1 Phase. Open the cover of electrical box, connect the 3 wires (L/N/
PE) to the terminals. Use the sheathed wire as the control wire to connect the unit and the operation
box, and the user shall configure the control wire.
1. We do not accept any liability for any problems caused by the user’s self and non
-authorized re-
engineering to the electrical and control systems.
10
Electrical Installation
Model
Spec. of power
supply cable
Spec. of con-
troller cable
Main circuit
fuse/circuit
breaker
Control
fuse
Control
panel
model
YOKO(X)-D15TG
YOKO(X)-D15PMTG
3×1.5mm
2
8×1
.
0mm
2
10A
YOKO-20A
YOKO(X)-D20TG
YOKO(X)-D20PMTG
YOKO(X)-D25TG
YOKO(X)-D25PMTG
3×2.5mm
2
15A
YOKO(X)-D30TG
YOKO(X)-D30PMTG
2. Power supply is AC380V/50HZ. Open the cover of electrical box, connect the 5 wires (L1/L2/L3//N/
PE) to the terminals. Use the sheathed wire as the control wire to connect the unit and the operation
box, and the user shall configure the control wire.
Model
Spec. of power
supply cable
Spec. of con-
troller cable
Main circuit fuse/
circuit breaker
Control
fuse
Control
panel model
YOKO(X)-D40H
5×4mm
2
4×1.0mm
2
16A
3A
YOKO-19D
YOKO(X)-D50H
YOKO(X)-D60H
2. The power cable and controller wiring must be securely connected. Virtual connection may cause heat
or fire!
11
Wiring Diagrams
YOKO(X)-D15TG~D30TG
、
YOKO(X)-D15PMTG~D30PMTG
SA
FAN
EA FAN
Red
Orange
PCB board
LCD Control Panel
Panel back
Note: Wrong wiring will cause dam-
age! Correct wiring requied!
YOKO(X)-D40H~D60H
Power
AC380V/50Hz
EA FAN
Circuit
SA FAN
Circuit
Safety
fuse
EA FAN
ON/OFF
SA FAN
ON/OR
Signal from
Control panel
Red
Orange
Loose or incorrect wiring connection can
cause explosion or fire when the unit starts
to work. Use only rated power voltage.
Don’t put fingers or objects into vents of
fresh air or exhaust air supply. Injury may
be caused by the rotation of the impeller.
Don’t install, move or re
-install the unit by
yourself. Improper action may cause unit
instability, electric shock or fire.
Don’t change, disassemble or repair the
unit by yourself. Improper action may cause
electric shock or fire.
Running the unit continuously in an abnormal
status may cause failure, electric shock or
fire.
Switch off the power and breaker when you
clean the exchanger.
Don’t site intake supply vent in hot and hu-
mid conditions , as it may cause failure, cur-
rent leakage or fire.
Don’t put any burner directly facing the
fresh air discharge, otherwise it may cause
an insufficient burning.
Isolate power during extended off periods
Isolate power and take care when cleaning
unit. (Risk of electric shock)
Observe guidelines and regulations relating
to incomplete combustion when use is asso-
ciated with fuel burning appliances.
Clean the filter regularly. A blocked filter may
result in poor indoor air quality.
Must use Rated Voltage, otherwise it may
cause fire or electric shock
Commissioning
1. Check the wiring after the installation works are completed, and there must be commissioning.
2. Turn on the power supply, and carry out the commissioning and operation according to controller
instructions. Check the working conditions of the blower, exhaust fan and bypass. The motor will stop
running for more than 10 seconds when the bypass valve of the ventilator is operating.
3. When abnormalities occur in commissioning, it can be thought that the connection is wrong. To
prevent electric shock, please turn off the special circuit breaker immediately and reconnect the wire
correctly
Precautions for Use
12
Precautions for Use
!
The unit cannot be used for ventilation of
an open burning appliances (heating)
When using a gas or oil heater in the room,
special ventilation equipment must be used
13
Controller Manual (YOKO-20A)
Controller Manual (YOKO-20A)
Operation Instructions
◆
Setting of Supply air: The S3 button is for the air supply speed setting. In the normal working inter-
face, short press the S3 button to start speed set.
◆
Fan speed confirmation setting: After setting the wind speed, the fan will not output immediately, you
need to short press the S1 key to confirm, then the selected wind speed can be output, or delayed
When there is no operation for 6 seconds, the selected wind speed is automatically output.
◆
Setting of working mode: Short press the S4 key to select the working mode. The working mode is
divided into two types: timing mode and no timing mode.
◆
Setting of operating parameters: In normal working interface, long press the S4 key to enter the set-
ting state of time parameters.
1) Enter the setting state, short press the S4 key to switch the setting items, the switching sequence
is: week setting
→
hour setting
→
minute setting
→
on time hour setting
→
On time minute setting
→
off time
hour setting
→
off time minute setting, short press the S2 and S3 keys to adjust the set value
2) In the time setting state, short press the S1 key to save the set parameters and return to the nor-
mal working state
3) In the time parameter setting state, without any operation for 10 seconds, it will return to the nor-
mal working state.
3. Temperature correction: In the shutdown state, long press the S3+S4 key to enter the temperature
correction state, and change the correction value through S2 or S3, each time increasing or decreasing
by 0.5
℃
, the lower limit of correction is -9
℃
, the upper limit The value is 10°C, press the S1 key to con-
firm, and there is no operation for 10 seconds to return to off state.
1. Button function:
button S1: on/off & confirm
button S2: down
button S3: up
button S4: menu & mode select
2. Operation setting:
◆
On/Off: S1 button is the on/off key, long press S1 button
for 3 seconds to turn on or off
◆
Exhaust air setting: The S2 button is the exhaust air speed
setting key. In the normal working interface, short press the
S2 key to start speed set.
14
Controller Manual (YOKO-19D)
Controller Manual (YOKO-19D)
Operation Instructions
1.
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