The
allows adjustments of ±5.0°C in the room sensor (S1)
in relation to the standard calibration. For this just press the key for 15 seconds until
appearing the indication
. Use the same procedure to modify the value of
this function.
TC-900RG2 slim
The luminous pointer in the frontal signals the status of the controller:
The controller is in refrigeration mode, with the compressor
and fan ON. When the instrument is in refrigeration with the stopped indication led
blinks in a lesser frequency.
The controller is in refrigeration mode, with the compressor
and the fan OFF.
mode
a
Led blinking
Led turned off
Led turned on
The controller is in defrost
, with the compressor and
fan OFF and the resist nces ON.
Room sensor in short circuit or temperature above of P8
s
opened or
E
sensor damaged or temperature in the sensor below of
-30 ºC or above of
ºC. In this situation the duration of the thawing will be of 10
minutes.
Room ensor
temperature below of P7
vaporator
50
INDICATION DISPLACEMENT (OFFSET)
SIGNALLING
DIGITAL CONTROLLER FOR
REFRIGERATION AND DEFROST
Version 01
The
is a digital temperature
with outputs to
compressor, fan and defrost.
Beverage freezers
TC-900RG2 slim
controller
Application:
- Power supply:
- Maximum load:
- Sensors:
90~264Vac (50/60 Hz)
COMP - 1
FAN - 5(3)A / 250Vac 1/8HP - Fan output
DEFR - 10(3)A/ 250Vac 1/4HP - Defrost output
6(8)A / 250Vac 1HP - Compressor output
S1 (Room)
S2 (Evaporator)
0 to 50°C
10 to 90% RH (without condensation)
- Operation temperature:
- Humidity operation:
CONTROLS
R
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Phone/Fax: +55 51 34753308
MADE IN BRAZIL
DESCRIPTION
TECHNICAL SPECIFICATIONS
Put the selector keys
in the desired position and press the key for 10 seconds
until appear the indication
. Release key and wait until appears the value
programmed for this function, use the key again to modify this value. After adjusted
the new value for the function wait 4 seconds. The controller will record the new
parameter and will pass to the function
. Use the same procedure to modify
the value of this function. Repite this for the functions
and
that will be
the next to be showed in the display to be configured. After the alteration of the
parameters the display comes to the indication of temperature.
OPERATION PARAMETERS
Refrigeration time
Defrost time with the sensor of evaporator working
efrost time with the sensor of evaporator damaged
Control temperature (setpoint)
Differential of control (hysteresis)
inimum delay to restart the compressor
Low temperature or room sensor open
High temperature or room sensor in short circuit
Displacement of indication of room sensor (offset)
D
M
Parameters
0 0
1 1
12 hours
30 min.
10 min.
5.0 ºC
3.0 ºC
120 sec.
-20 ºC
45 ºC
0.0 ºC
10
30 min.
10 min.
2.0 ºC
3.0 ºC
120
-20 ºC
45 ºC
0.0 ºC
hours
sec.
0 1
1 0
6
30 min.
10 min.
-6.0 ºC
3.0 ºC
120
-20 ºC
45 ºC
0.0 ºC
hours
sec.
6
30 min.
10 min.
-1.0 ºC
3.0 °C
120
-20 ºC
45 °C
0.0 °C
hours
sec.
Item
P 1
P 2
P 3
P 4
P 5
P 6
P 7
P 8
P 9
SELECTOR KEYS POSITION
Programmable parameter, indication
at display
Programmable parameter, indication
at display
Programmable parameter, indication
at display
Programmable parameter, indication
at display
Programmable parameter, indication
in the display
Parameters v
Defrost on start
Refrigeration
isualization
When the controller is energized, it will appear the parameters of configuration in the
following order:
The controller will make defrost when energized if the temperature of the
sensor (S1) he will be below of 30 ºC and temperature of the sensor of the evaporator
(S2) below of 15 ºC.
The
REFRIGERATION TIME
DEFROST TIME
SETPOINT
DIFFERENTIAL
compressor turns on and turns off by temperature, according the value adjusted
in the P4 parameter (see table above) during the refrigeration time (P1). After
elapsed the time the controller will initiate a defrost cycle (if the temperature of the
sensor will be below of 30 ºC), turning off the compressor and the evaporator
fan. During the stage of refrigeration
remains turned on only while the
compressor will be functioning .
evaporator fan
room
room
PARAMETERS ALTERATION
Defrost
Delay
The defrost will be finished when the temperature in the evaporator (S2) reaches 15 ºC
or the temperature in the room (S1) reach 30 ºC . Otherwise, the defrost will be finished
after elapsed the maximum defrost time configured (P2 or P3). During the defrost the
last temperature measured in the refrigeration cycle will be frozen in the display. The
indication will be defrosted when this temperature be reached again or 15 minutes after
the end of the defrost.
When the instrument is energized or the temperature in the S1 sensor reaches the
setpoint (compressor turn off), the delay (P6) starts to be counted, preventing that the
compressor must be restarted in a period very short. Even than by temperature it wold
be necessary to turn on the compressor the delay (P6) is respected.
External selector
The external selector allows, with a combination of two keys, to define the functioning of
the controller with programmable presets.
FUNCTIONING DESCRIPTION
VISUAL ALARMS
KEY (ACCESS IN THE FRONT PANEL)
To change the refrigeration to defrost or vice-versa, just a simple touch on the key.To
visualize the temperature measured by the evaporator sensor (S2), keep pressed
the key for 5 seconds.
TC-900RG2 slim
TC-900RG2 slim
UL-Underwriters Laboratories
