Full Gauge Controls MT-516RVTi plus User Manual

MT-516RVTi plus

TEMPERATURE CONTROLLER

WITH CYCLICAL TIMER AND VOLTAGE MONITOR

Ver. 06

MT516RVTI06-02T-10811

UL-Underwriters Laboratories

1.DESCRIPTION

2.APPLICATION

The integrates a heating or cooling thermostat with a cyclical timer and a
TrueRMSvoltagemonitor.ThroughtheF13 andF14 functionsispossibletodetermine thevoltage limits
that the thermostat output can be active, this way protecting the compressor. Using True RMS*
technology the controller iscapable of measuringthe voltages ina varietyof different situationsin the
electricalgrid,thusprovidinggreater precisionin theprotection ofthe componentsof theapplication.
ProductcomplieswithULInc.(United Statesand Canada).

•Milkcoolingtanks

•Chambersandcounters

•Heatpumps

MT-516RVTi plus

*TrueRMS:Is therealand effectivevoltage valuewhichalso includesthevoltage generatedbyhigh frequency
noisein thedistributing network(harmonic distortion).This isthe actualvoltage appliedto theconnected load
(example: electricmotor, compressor). This method allows the precise voltage measurement for any type of
waveform.Othermeasurementmethodsgivecorrect value ofapplied voltage onlyfor perfect sinewaveforms.

3.TECHNICAL SPECIFICATION

4.CONFIGURATIONS

4.1- Control temperature adjust(SETPOINT)

-Electricpowersupply:

-Controltemperature:

-Maximumcurrent:

-Dimensions:

-Operatingtemperature:

-Operatinghumidity:

115or 230Vac±10%(50/60Hz)

-50to105°C(decimalresolution between- 10and 100ºC)

-58to221ºF

8(3)A/ 250Vac1/4HP(each output)

71x28x71mm

0 to 50°C/ 32to 122°F

10to90%RH(without condensation)

-Press fortwosecondsuntil appearsonthedisplay.
Theactualcontroltemperaturewill appear.

-Usethe and keys tochange thevalue andpress whenready.

SET

SET

DescriptionFun

Access code: 123(one hundredand twentythree)
Temperatureindicationoffset
Thermostat operating mode
Minimum setpoint allowedfor theend user
Maximum setpoint allowedfor theend user
Control temperature differential(hysteresis)
Delay for turningthe compressoron
Cyclical timer´s timebase
Cyclical timer´s ontime
Cyclical timer´s offtime
Initial state ofcyclical timer
Cyclical timer alwayson whenthe compressoris on
Minimum working voltage(protection)
Maximum working voltage(protection)
Voltageindication offset
Voltageconfirmation delay
Display indication mode
Equipment address inthe RS-485network

(1)

(2)

(3)

(3)

(3)

(4)

F01
F02
F03
F04
F05
F06
F07
F08
F09
F10
F11
F12
F13
F14
F15
F16
F17
F18

-

0.0°C / 0°F
0-cooling

4.0°C / 39°F

5.0°C / 41°F

1.0°C / 2°F
180 sec.

1-min.

3 sec./min.

12 sec./min.

1-on

1-yes
195 Volts
260 Volts

0 Volts

10 sec.

0
1

-

-5.0°C / -9°F
0-cooling

-50°C / -58°F

-50°C / -58°F

0.1°C / 1°F
0 sec.
0-sec.

1 sec./min.
1 sec./min.

0-off

0-no
90 Volts
90 Volts

-50 Volts
1 sec.

0
1

-

5.0°C / 9°F
1-heating

105°C/221°F
105°C/221°F

20.0°C / 36°F
999 sec.

1-min.
999 sec./min.
999 sec./min.

1-on

1-yes
260 Volts
260 Volts

50 Volts

30 sec.

2

247

4.2 - Parameters table

Minimum

Maximum

Default

(1)

(3)

(4)

F02-Temperatureindication offset

F12-Cyclicaltimeralwaysonwhenthecompressorison:

F13/F14/F16-Operationofthevoltagemonitor

F17-Displayindicationmode

The F02 functions allows for the correction of any changes in the reading, resulting from a change in the sensor or
alteration ofthe lengthof the cable.

This function works for some applications, as for example, on cooling tanks for milk, where the timer commands the
agitator thatmust remain on whilecooling istaking place.

If the value ofthe voltage exceeds the limits setin F13 and F14 the compressorwill be automatically turned off afterthe
time setin function F16 haslapsed.
The led“VOLTS”will slowly blinkalong withthe Indication ofthe gridvoltage on thedisplay.
In the event that the voltagereturns to the limits established, the compressor will only be turnedon again after the time
scheduled inthe F16function has ended.
Todeactivate thevoltage monitoring,all you haveto do isadjust functionsF13 and F14to thesame value.

Function F17allows youto choose themeasurement thatwill be displayedduring normaloperation:

Temperature
Voltage
Temperatureand voltage

(2)

4.3- Selection of theunit (°C /°F)

4.4- Parameters alteration

In orderto definethe temperature unitthat the instrumentwill operate, enter the accesscode “231” in
thefunction .The indication willappear.Press or tochoose between or

andconfirmwith .After selectingtheunitthe indication willappearand theinstrument
willreturn tothefunction .Whenever thetemperatureunit ismodified,the parameters should be
reconfigured,sincetheywillassume thedefault values.

- Access functionF01 by pressing the and keys at the sametime for 2 seconds. When the
message appearsreleasethe keysand waitfor the indication.

-Pressthe buttontoaccess thefunction anduse and to enterthe code123.Whenready
pressagainthe buttontoconfirmthe codeand quitthe functionF01.

- Select otherfunctions by pressing or . Toaccess the desired function press the key
quickly.

-Adjust thefunction`snew valuewith the and keysand press to saveand returntothe
functionsmenu.

- To exit the functions menuand return to normal operation press the button until the message

appearsonthedisplay.

SET

SET

SET

SET

SET

SET

5.FUNCTIONS WITH FACILITATED ACCESS

5.1- Minimum andmaximum logs

5.2- Cyclicaltimer On/Off status change

5.3- Cyclicaltime visualization

5.4- Temperature,voltage and frequencyvisualization

Pressand releasethe key quickly. Theindication will appearfollowed bythe minimumand
maximum logged voltages. Shortly after the last voltage the indication will be shown and the
minimumandmaximumtemperatureswill bedisplayed.

toresetthe minimumandmaximumlogs justkeeppressingthe keyduring thevisualization

ofthelogs.Themessage willappearindicatingthe successfulloperation.

Tochange theoutput ofthecyclical timerfrom"on" to"off" or viceversa justpressthe key untilthe

appearsonthedisplay.

To visualize the current status (on/off) time that has already lapsed on the cyclical timer press

quickly.

Toconsultthe voltageandfrequencyof theelectrical gridwhenthecontroller isconfigured todisplaythe
temperaturejust push the keyquickly. Thecurrent voltagevalue willbe displayedfollowed by the
frequencyindication andit`s value.
To visualize the temperature while the controller is displaying the voltage press the key like
explainedabove.

Note:

SET

SET

6.SIGNALLING

Iftheinstrument shows onthe displayitmeans thataparameter isoutofacceptable rangeandit
mustbecorrected.

THERM­VOLTS(always on) ­VOLTS(blinking slowly) ­VOLTS(blinking quickly) ­TIMER-

Thermostatoutputactive;

Indicatesthevoltagevisualization;

Indicatesvoltageinoutrange condition;

Indicatesanerroronthe voltagemeasurement;

Cyclicaltimeroutputactive.

-Sensordisconnectedortemperature outof thespecified range.

72 mm

29 mm

7. WIRING DIAGRAM

Note: The length of the cable for the sensor may be increased by the user up to 200 meters, using
PP2x24AWGcable.Forimmersionin wateruse thermometricwell.

1

2

4

5

678

9

10

11

12

3

THERM

TIMER

AB

VOLTMETER

COMMON

Load 1

Load 2

0

115V

230V

RS-485 serial

communication

Sensor

6-7
6-8

115V
230V

MT-516RVTiplus

- Belt

-Agitator

- Water ’pump

- Contact

Load1 Load2

Power

supply

Loads

supply

VOLTMETER:
Connect the borne9 toborne 7, when
the instrument issupplied in115Vacor
borne 9 toborne 8,when the instrument
is in 230Vac.supplied

- Cooler

- Heater

- Contact

- Solenoid

Dimension of the clipping

for setting of the instrument

in panel

Integrating Controllers, RS-485 Serial Interface and Computer

RS-485 Network

RS-485Serial Interface

®

Device used to establish the
connection Full Gauge Controls’
instrumentswith the Sitrad

.

or

RS232

Power supply

USB

115 230Vac

www.sitrad.com

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RS-485 Network

terminal grounded

External

mesh

Distribution Box

Used to connect more than one instrument to the Interface. The wire's
connectionsmustbemadeinagreementwiththefollowingrules:terminal of
theinstrument connects to theterminal of the distribution box,thatmust be
connectedwiththe terminal of the Interface.Repeat theaction for terminals

and ,being thecable shield.

theinstrumentsdo not have terminal .

A

A

A
B
P.S .:

®

IMPORTANT
1:

2:
3:

Accordingtothechaptersfrom theIEC60364 standard:

Install onpowersupply
Sensor cablesand computer signals can betogether, howevernot at thesame place wherepower

supplyandloadwirespass for

Installsuppresoroftransientin parallelto loadsto increasethe usefulllife ofthe relays

protectorsagainstovervoltage

For more information contact our application eng. department through e-mail

or dial+55 [e-mail]

Wiring diagramof suppresors in contactors

Suppresor

A1

A2

A1 e A2 are the
contactor coils.

Wiring diagramof suppresor for direct drive

Load

Suppresor

For direct activationthe maximum
specified current shouldbe taken
into consideration.

PROTECTIVE VINYL:

This adhesive vinyl(included inside the packing) protects theinstruments against
waterdrippings,asincommercial refrigerators,for example.
Dotheapplicationafterfinishing theelectrical connections.

Remove the protective paper
andapplythe vinylontheentire
superior part of the device,
foldingthe flapsasindicated by
thearrows.