Operation Range; Operation And Performance - EAS Electric EVRO-120NDC Installation Manual

Th e f u n c t i o n o f t e x t r u n c i r c u l a t e a s f o w l l i n g(8/10.5/18KW）.
Normal display
↓
Operating mode
(0—Stanby; 2—Cooling;
3—Heating; 4—Forced
cooling）
↓
Operating fan speed grade
(0—Power off)
↓
The total capacity
requirements of the
interior unit
↓
The capacity requirements
of the revised external unit
↓
T3 piping temperature
↓
T4 environmert temperature
↓
T5 discharge temperature
(actual) (if it is over one
hundred, it will be only
display the hundreds
place and the tens place)
↓
The surface temperature of
the cooling fin
NOTE
12 hours preheating is imperative after turn on the power
switch. Please do not shut down the power when the unit
is supposed to stop running in 24h or shorter time. (This is
to warm the crankcase heat box to avoid compulsive start
of condenser.)
Pay attention not to block the air inlet and outlet.
Blocks may decrease the efficiency of the unit or startup the
protector, which will stop running.
Operate the switches and push buttons with an insulated
stick (such as a closed ball-point pen) to avoid touching of
live parts.

3. OPERATION RANGE

Use the system in the following temperature for safe
and
effective operation. The Max operation temperature for
the air conditioner. (Cooling/Heating)
Table 3-1
Temperature
Outdoor
Mode
temperature
Cooling operation
-15℃～43℃
Heating operating
-15
1
If air conditioner is used outside the above conditions, it may
cause the unit to function abnormally.
2 The phenomenon is normal that the surface of air
conditioning may condense water when the relative larger
humidity in room, please close the door and window.
3 Optimum performance will be achieved within these
operating temperature range.
Display "--"
The last fault or protection
code (if there is no fault or
protection code it will be
display "nn")
Version of the program
Priority mode（Reserved ）
Model(8KW: 8,10KW: 10,
18KW:18)
The quantities of the operating
interior units
Total quantities of the interior
units
T2 average temperature
Actual voltage AD value
Actual current value
PMV opening
Room
temperature
17 32
℃～ ℃
≤27℃
27
℃～ ℃
NOTE

4. OPERATION AND PERFORMANCE

4.1 Protection Equipment
This Protection Equipment will enable the Air Conditioner to stop
when the Air Conditio ner is to be directed running compulsively.
When the Protection Equipment is activated, the Operation
Indicator still lights while the Air Conditioner is not running. But the Check
Indicatior Lights.
The protection equipment may be activated in following conditions:
■ Cooling Operation
The air inlet or air outlet of outdoor unit is blocked.
Strong wind is Continuously blowing to the air outlet of the
outdoor unit.
Heating Operation
■
Too much dust and rubbish adhere to the dust filter in the indoor
unit
The air outlet of indoor unit is choked
When the protection equipment starts, please shut down the
manual power switch, and restart operation after problem is
solved.
4.2 About power cut
If power is cut during operation, stop all the operation immediately.
Power comes again. The lamp on the display panel of indoor unit
flashes. And then unit will auto-restart.
Mishandling in operation:
If mishandling happens because of lighting or mobile wireless,
please shut off the manual power switch, and turn on again, then
push the ON/OFF button.
4.3 Heating capacity
The heating operation is a heat-pump process that heat will be
absorbed from outdoor air and released in doors. Once the
outdoor temperature is decreased, heating capacity decreased
corredpindingly.
Other heating equipment is suggested to be used together when
outdoor temperature is too low.
In some extreme cold upland that buy another inddoor unit
equipped electrical heater will obtain better performance.(Refer
to indoor unit owner's manual for details)
1. The motor in Indoor Unit will continue running for 20~30 seconds
for to remove residual heat when the Indoor Unit recoeiving OFF
command during heating operation.
2. If the air conditioner malfunction occurs because of disturb,
pleasereconnect the air conditioner to power, then turn on it
again.
4.4 Three-minute protection feature
A protection feature prevents the air conditioner from being
activated for approximately 3 minuites when it restarts
immediately after operation.
32
NOTE
NOTE
V.2