Download INSTALLATION MANUAL

b. Leakage detector alarming device
FILL THE NAME OF CONNECTED SYSTEM
To clearly identify the connected systems between
two or more indoor units and outdoor unit, select
names for every system and record them on the
nameplate on the outdoor electric control box cover.
related to mechanical ventilator
Indoor unit
OA
Model (indoor unit)
Room Name
E.g.: Indoor unit (A) of the
first system on second floor
is recorded as: 2F 1A.
CAUTION ON REFRIGERANT LEAKAGE
This air conditioner adopts R22 as refrigerant, which is
safe and noncombustible. The room for air conditioner
should be big enough that refrigerant leakage can not
reach the critical thickness. Besides this, you can take
some action on time.
Critical thickness the max thickness of Freon
without any harm to person. R22 critical
thickness:0.3 [ kg/m3 ]
a. Ventilation
peristome
(Leakage detector alarming device should
be installed in places easily keeping refrigerant)
TURN OVER TO CUSTOMER
The owner's manuals of indoor unit and outdoor
unit and Service manual must be turned over to
the customer.
Particularize the contents in the owner's manual
to the customers.
Outdoor unit
Dimension and the quantity of electric wire
Name
Indoor unit
Room full of leaking refrigerant
(All the refrigerant has leaked)
Type
Signal wire
of indoor/
2-core
outdoor unit
Size
0.75mm2 500m RVVP-0.75mmx2 2
1. Signal wire of indoor/outdoor unit adopts 2-core shielded
wire which has polarity. For least interference, the closed
Calculate the critical thickness through following
ends of shield wire should be connected continuously and
steps, and take necessary actions.
the shielding layer should be connected to the end E on
1. Calculate the sum of the charge volume (A[kg])
outdoor terminal block.
Total refrigerant volume= refrigerant volume when
2.
5-core
shield wire is used for wire controller (terminals
delivered(13[kg])+superaddition
A, B, C, D and E)
3
2. Calculate the indoor cubage (B[m ]) (as the
3. The controlling between indoor and outdoor units is
minimum cubage)
realized by RS485 communication, and the address is
3. Calculate the refrigerant thickness
set while installation.
A [ kg]
3
Critical
thickness
0.3
[
kg/m
]
B [ m3 ]
Countermeasure against overhigh thickness
CAUTION
1. Install mechanical ventilator to reduce the refrigerant
Signal wire of indoor/outdoor unit and wiring
thickness under critical level. (ventilate regularly)
of wire controller belong to low voltage circuit,
2. Install leakage detector alarming device related to
which should not contact power cord with high
mechanical ventilator if you can not regularly
voltage.
ventilate.