Interklima II18SCV1 - Control Specifications and Advanced Modes

Interklima High wall unit
II/IO - SCV1
30
Controls specification
1. ABBREVIATIONS
Ts: Setting Temperature
Tr: Room Temperature
Ti: Indoor coil temperature sensor
2. OPERATION
2.1 COOLING MODE
a. If Tr > Ts+1
o
C, cooling operation is activated. Compressor
and outdoor fan are turned on. Indoor fan runs at the set speed.
b. If Tr £ Ts-1
o
C, cooling operation is terminated. Compressor
and outdoor fan are turned off. Indoor fan runs at the set speed.
c. The range of Ts is 16~31
o
C.
d. Indoor fan speed can be adjusted for low, medium, high and
auto.
e. Compressor will delay for 3 minutes when it is turned on or
off to balance system pressures to protect the compressor.
f. The operation diagram is shown below.
2.1.1 INDOOR DE-ICE
This process is checked by the indoor defrost sensor (Ti). After
the compressor has worked for 4 minutes, if Ti £ 0
o
C for 20
seconds continuously, compressor and outdoor fan are turned off.
Indoor fan keeps running at low speed. When Ti≥7
o
C or indoor
de-ice operation is on for more than 3 minutes, system will return
to normal operation.
2.2 FAN MODE
a. Indoor fan runs at the set speed while compressor and
outdoor fan are turned off.
b. Indoor fan speed can be adjusted for low, medium and high.
The initial speed is medium.
2.3 HEATING MODE
a. If Tr < Ts-1
o
C, heating operation is activated. Compressor
and outdoor fan are turned on. The indoor fan stops until the
indoor coil temperature has reach 30
o
C.
b) If Tr ≥ Ts+1oC, heating operation is terminated.
Compressor and outdoor fan are turned off. The indoor fan
keeps running a minimum of 60 seconds.
c. The range of Ts is 16~31
o
C.
d. Indoor fan speed can be adjusted for low, medium, high and
auto.
e. Compressor will delay for 3 minutes when it is turned on or
off to balance system pressures to protect the compressor.
The heating operation diagram is shown below.
2.4 SOFT DRY OPERATION (DEHUMIDIFICATION) MODE
a. During Soft Dry Operation, cooling mode turns on, set
temperature is plus 1
o
C, and the compressor is ON.
b. When the room temperature rises over set temperature, the
operation mode is changed to the Cooling mode.
c. When the room temperature falls between the compressor
ON temperature and OFF temperature, the operation mode is
changed to Soft Dry mode.
d. The operation diagram is shown below.
In take air temp.
More than
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
ON OFF OFF
Low Low
ON ON
3 minutes
More than
3 minutes
More than
3 minutes
More than
3 minutes
Setting temp. +1
o
C
(Compressor ON)
Setting temp. -1
o
C
(Compressor OFF)
Compressor
Indoor Fan Speed
In take air temp.
Cooling
Operation
Cooling
OperationSoft Dry Operation
Setting temp.
+1
o
C
(Compressor ON)
Setting temp.
-1
o
C
(Compressor OFF)
Compressor
Indoor Fan Speed
Selecting
fan speed
Selecting
fan speed
ON ON ON ONOFF OFF
OFF OFF
Max. 6
minutes
Max. 6
minutes
Max.3
minutes
Max. 10
minutes
10
minutes
Low Low