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MUST READ
BRIEF UNIT INFORMA
TION
P11 OF 34
P12 OF 34
NAMES OF THE PARTS
TECHNICAL DATA
* Be sure to cut off the power supply before cleaning the air conditioner; otherwise electric shock
might happen.
* Wetting of air conditioner may cause the risk of electric shock. Make sure not to wash your air
conditioner in any case.
* Volatile liquids such as thinner or gasoline will cause damage to the appearance of air conditioner. (Only use
soft dry cloth moist cloth clean the air conditioner cabinet).
* This product must not be disposed together with the domestic waste.
This product has to be disposed at an authorized place for recycling of electrical and electronic appliances.
* The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper
tube.
NO.
WMMS-21CH
WMMS-30CH
WMMS-24CH
WMMS-36CH
MOD
Electricity supply
HVAC type fuse or circuit breaker
Minimum power cord size
Refrigerant charge (R410A)
Size
Electricity data
1
Air Discharge grille
2
Wiring Panel/Handle
3
Valves
Front side panel/handle
Valves
Air Discharge grille
WMMS-42CH
WMMS-48CH
W1
D0
H
1
2
3
Air Discharge grille
Valves
Valves
Air Discharge grille
Front side panel/handle
Front side panel/handle
Before cleaning, it is necessary
to stop unit operation and off the
power supply.
WARNINGS FOR INSTALLATION, OPERATION, MAINTAINING AND SERVICE
Must connect the unit to dedicated
HVAC circuit breaker of proper
size.
Shall not turn on and then off the
unit back and forth frequently.
Must not cut off or damage power
cables and control wires.
In case of any damage found on
wires, must replace with good one
without any delay.
Don't entangle electrical wires or
leave extra length of wire in the
unit.
Never use indoor wires for outdoor
use.
Not to connect unit to the wall
switch.
Disconnect the power supply, if
not using the unit for quite a while.
Never drag wires too hard, or use
wire to hang or band or fasten
anything.
Must turn off unit and disconnect
electrical power, before cleaning
or servicing the unit.
Suggest to put a warning sign at
the switch, to avoid accidental
turning on the power by somebody
who doesn't know service is in
process.
Don't attempt to install or repair the
unit by yourself. Saving on these
work is not worthy, since you miss
chance to have the professional
look into the unit for a full diagnosis
and complete repair. Also,
factory warranty will be lost.
Handy man may
successfully conduct some work.
But, it is about responsibility and
liability. Customer will have to take
responsibility and liability for the
DIY installation or or repair.
Don't step onto the top of unit.
Don't place anything atop of it.
The unit must be securely
grounded.
The cable shall be connected to
the grounding device in the
home or building.
When smelling a burning or smoke,
turn off unit and disconnect the
power and contact your installation
or service technician
without delay.
If the abnormal or danger is not
found and removed, keeping on
operating the unit will damage the
unit or even cause electric shock
or fire.
Only apply correct electrical power
to the unit (208-230/1/60).
The compressor will vibrate if the
voltage is too low or too high.
Electrical components may fail, if
voltage is too high.
Mounting bracket must be sturdy
and secured.
Outdoor unit,
especially the
heatpump
outdoor unit, must be installed at
least 3-5 inches above the ground,
to keep from possible ice being
built up in cold weather.
WMMS-60CH
Valves
Air Discharge grille
Front side panel/handle
1
2
3
1
2
3
1
2
3
1
2
3
W1
D0
H
30
10
56
33.3
15.0
23.5
30
30/40
10
8
88
35.25
35.25
15.75
27.6
27.6
WMMS-42CH
WMMS-21CH
WMMS-30CH
WMMS-48CH
WMMS-24CH
WMMS-36CH
40
8
37.4
15.75
27.5
15.75
208-230/1/60
AWG
OZ
Inch
Inch
Inch
AMP
88
88
WMMS-60CH
50
8
40.25
17.5
43.5
169
UNIT
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !