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User Manual Digital Heat Regulators

English

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During the installation and operation of the instrument, follow the

instructions set out below:

1) The instrument should be installed by a skilled operator.

2) Strictly follow the connection diagrams when installing the instrument.

3) Do not power or connect the instrument if any part of it is damaged.

4) Before touching the terminals, make sure the wires to be connected to

the instrument are not live.

5) The connection cables should be able to resist the maximum operating

temperature (Tmax), obtained from the sum of the maximum ambient

temperature (Ta) + a temperature of 20 °C (Tmax= Ta + 20 °C).

6) The instruments guarantee a main insulation between the low voltage

(250 V) and very low voltage parts.

7) Any outside switches connected to the controls should guarantee a

minimum insulation at operating temperature of 250 V AC, or should be

protected by equivalent insulation.

8) Contacts: all type 1C (CEI 107-70 and variants).

9) The instruments require no maintenance.

�

Series of digital temperature regulators satisfying the simplest requirements in

the field of heat regulation. They can be used as heating or refrigeration regulators

and as maximum/minimum alarms.

�

Three dedicated base models for probe input:

- PTC thermal resistances

(

os.

emp.

oeff.) - Ni100, Pt100

NiPt

- NTC thermal resistances

(

egative

emperature

oefficient)

NTC

- TC thermocouples

- J, K, L, R, S, T, E, N

• For each single model, the probe input can be configured from the keyboard.

• Two probe inputs for the HT

NTC

models, for the measurement of two temperatures

that can be displayed alternatively by the closure or opening of an outer consensus

to be connected to the instrument, or directly from the keyboard for the 72x72 mm

rear panel version (this version has no digital input).

• Available in versions with 1 or 2 relay outputs with exchange contact.

• Heat regulators with 3 digit, seven segment and decimal point display.

• Relay intervention signalling lamp.

• Temperature T2 signalling lamp (only models HT

NTC

-..P7.. and HT

NTC

-..D..)

• Display range: -99 ÷ +999 °C

• Display resolution: 0.1 °C (-9,9 ÷ +99.9 °C) and 1 °C (< -9.9 °C and > +99.9 °C)

• Precision: ±0.5 % of the end of scale value ±1 digit

(at an ambient temperature of 23 °C)

• Sampling time: 0.5s

TECHNICAL SPECIFICATIONS

SAFETY WARNINGS

Содержание HT JK Series

Страница 1: ... ...

Страница 2: ......

Страница 3: ...lectrical connections Page 33 Glossary Page 34 Operation Page 39 Setting the regulation parameters Page 39 Parameter menu Page 41 Error messages Page 48 Reference standards Page 49 Dimensions and connection diagrams 33x75 mm Page 50 52 Dimensions and connection diagrams 72x72 mm Page 53 54 Dimensions and connection diagrams 4 DIN Page 55 56 English ...

Страница 4: ...e regulators satisfying the simplest requirements in the field of heat regulation They can be used as heating or refrigeration regulators and as maximum minimum alarms Three dedicated base models for probe input PTC thermal resistances Pos Temp Coeff Ni100 Pt100 HT NiPt NTC thermal resistances Negative Temperature Coefficient HT NTC TC thermocouples J K L R S T E N HT JK For each single model the ...

Страница 5: ... regulation ON OFF selection of probe to be displayed set point switching direct reverse switching etc Acoustic and visual alarm signals for outside alarm from digital input probe alarm malfunction minimum or maximum alarm Infrared receiver with RC 5 protocol not versions HT NTC 1DA HT NTC 2DA for remote control accessory available separately for remote programming Available in the following fixin...

Страница 6: ... YES YES VM643400 HT JK 2P3D from 12 to 24 V AC DC 10 2 YES YES Rear panel 72x72 mm Code Model Power supply Power supply n of Digital Infrared tollerance relays input receiver VM625100 HT NiPt 1P7A 24 230 V AC 10 1 NO YES VM626900 HT NiPt 2P7A 24 230 V AC 10 2 NO YES VM632700 HT NTC 1P7A 24 230 V AC 10 1 NO YES VM633500 HT NTC 2P7A 24 230 V AC 10 2 NO YES VM639200 HT JK 1P7A 24 230 V AC 10 1 NO YE...

Страница 7: ...iting to become ON due to an active timing Out 2 LED off if relay two is OFF on if relay two is ON flashing if relay two in OFF is waiting to become ON due to an active timing Keys Three parameter setting keys are used Confirm and parameter programming display key Key used to increase the parameter or go to the next parameter Key used to decrease the parameter or leave the menu Adhere strictly to ...

Страница 8: ...ducing the temperature Reverse action A regulator acts in reverse mode when it limits the reduction of the measurement controlled For example in a heating system the reduction in temperature corresponds to an increase in heat production Neutral or dead zone dead band This indicates an interval of values around the set point in which the measurement regulated may oscillate without the activation of...

Страница 9: ...t point If both outputs are used the hysteresis for each output is equivalent to half the differential In this case output 1 will be activated when the measurement controlled reaches the value ST1 DF1 2 at which point output 2 will be deactivated Reverse operating mode PRO 1 In this mode all the outputs operate in reverse The set point 1 ST1 and differential 1 DF1 values have to be set Hysteresis ...

Страница 10: ...for both outputs In this operating mode the relays are activated impulsively with an interval that can be set on the basis of the TCL value see the output menu Within this interval the relay will stay on for a period in proportion to the distance of the measurement regulated from the set point plus the neutral zone where applicable In addition to the differential value the relay will be active for...

Страница 11: ...ifferential 1 if the digital input is open and set point 2 differential 2 if closed The operating modes are the same as mode 0 It is necessary to set both the set point ST1 and ST2 differential DF1 and DF2 values Set 1 D ON OFF Diff 1 PRO 6 mode OUT 1 Set 1 D ON OFF Diff 1 OUT 1 D OUT 2 Set 2 R ON OFF Diff 2 OUT 2 R OUT 1 2 outputs Set 2 R ON OFF Diff 2 OUT 1 1 output Digital input open Digital in...

Страница 12: ...2 and differential 2 PRO 9 respectively In this mode output 1 operates in reverse and output 2 in direct It is necessary to set the values of set point 1 ST1 and differential 1 DF1 for output 1 and set point 2 ST2 and differential 2 DF2 for output 2 The operating modes are the same as modes 0 and 1 If there is a single output this will operate in reverse Alarm operating mode PRO 10 In this mode ou...

Страница 13: ...nsor The status of outputs OUT1 and OUT2 There are two types of programming for the setting of the regulation parameters Simplified programming Advanced programming Note to reset the default values set in the factory switch on the instrument while holding down the OK key Simplified programming This is used to modify the regulation menu REG parameters only Access is gained to this type of programmi...

Страница 14: ...s entered correctly the label of the first menu will appear Otherwise the system will return to normal status Advanced programming Access is gained to advanced programming from normal status by pressing and holding down the p and q keys for at least 3 seconds Note to reset the default values set in the factory switch on the instru ment while holding down the OK key These parameters are grouped int...

Страница 15: ...sing the changes made Note During the display and modification of the parameters the instrument will continue to operate with the previously set parameters If password 2 is enabled access password for the protection of the settings see system menu when the up and down keys are held down for three seconds from normal status the message will appear To set the parameters enter the previously set pass...

Страница 16: ...connected to the instrument this parameter is frequently used for compressors for example 5 the minimum time for which the output should remain ON 6 timing enabled for relay 1 output only OFF Labels of parameters that can be modified Description Parameter values default notes ST1 set point 1 degrees LO1 HI1 20 0 1 DF1 Differential for set point 1 degrees 0 1 100 2 0 ST2 set point 2 degrees LO2 HI2...

Страница 17: ... S1 contact open probe S0 contact closed probe S1 The digital input function is excluded when one of the following operating modes is selected inside the system menu SYS mode 6 mode 7 and mode 8 10 This is the delay after which the instrument responds to a signal from the digital input 11 When the digital input is active and a time period DID has lapsed the outputs take on the following states 0 B...

Страница 18: ...ment unit is modified the parameters set are not con verted automatically but have to be re calibrated Labels of parameters that can be modified Description Parameter values default notes SUA Output status in probe alarm condition 0 3 0 13 LOA Minimum alarm shift degrees 0 1 100 50 14 HIA Maximum alarm shift degrees 0 1 100 50 14 DFA Alarm differential degrees 0 1 100 2 TRA Alarm activation delay ...

Страница 19: ...et to this parameter by default It corresponds to the use of temperature sensor NTC code VN870200 see Red Line catalogue under the item Heat Regulation Temperature Probes For the use of sensors other than type 4 listed above see note it is possible to select one of the three items nt0 nt1 CSt corresponding to probes with different temperature resistance ratios To identify the type of sensor to be ...

Страница 20: ...eft of the set point 2 neutral zone with channel 1 in reverse and channel 2 in direct with set point 1 and differential 1 3 as mode 0 but with differential centred on the set point 4 as mode 1 but with differential centred on the set point 5 PWM regulation with channel 1 in reverse and channel 2 in direct with set point 1 and differential 1 and neutral zone where applicable 6 switching between out...

Страница 21: ... switching between set point 1 differential 1 and set point 2 differential 2 through digital input open set 1 closed set 2 5 output associated with maximum alarm for set point 2 6 output associated with minimum alarm for al set point 2 7 output associated with maximum alarm for set point 1 8 output associated with minimum alarm for al set point 1 9 output associated with maximum minimum alarm for ...

Страница 22: ...rating mode Parameter 0 1 2 3 4 5 6 7 8 9 10 IN0 50 50 100 0 0 100 50 50 100 100 DF0 50 50 100 50 50 100 50 50 100 100 IN1 100 100 100 50 50 100 100 100 100 0 DF1 50 50 100 50 50 100 50 50 100 100 The default values for mode 6 are the same as those of modes 0 or 1 depending on whether the outputs are operating in direct or reverse Due to alarms or malfunctions the display of the measurement may al...

Страница 23: ... 49 User Manual Digital Heat Regulators English For safety EN 60730 2 9 For electromagnetic compatibility EN 55014 1 EN 55014 2 EN 61000 6 2 EN 61000 6 3 REFERENCE STANDARDS English ...

Страница 24: ... e r s up p l y Relay output 8 1 A 250 V Digital input Probe input PTC 3 wires Probe input PTC 2 wires Digital input 6 7 8 9 5 2 3 4 1 6 7 8 9 Connection diagram Model HT NiPt 1P3D HT NTC 1P3D HT JK 1P3D 75 33 OK 70 28 65 5 33 HT NiPt 1P3A HT NTC 1P3A HT JK 1P3A HT NiPt 2P3D HT NTC 2P3D HT JK 2P3D 75 33 OK 81 33 70 28 English ...

Страница 25: ...tput 2 8 1 A 250 V Probe input PTC 3 wires Probe input PTC 2 wires Digital input Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V Digital input 14 11 12 13 15 10 16 17 18 5 2 3 4 6 1 7 8 9 16 17 18 6 7 8 9 HT NCT 1P3D Probe input NTC Digital input P o w e r s u p p l y NTC1 NTC2 Relay output 8 1 A 250 V 5 2 3 4 6 1 7 8 9 HT NTC 1P3A P o wer sup p l y NTC1 NTC2 Probe input NTC Relay output 8 1...

Страница 26: ...15 10 16 17 18 HT JK 1P3A Probe input TC Digital input Relay output 8 1 A 250 V P o wer sup p ly 14 11 12 13 15 10 16 17 18 5 2 3 4 6 1 7 8 9 HT JK 1P3D Probe input TC Digital input Relay output 8 1 A 250 V P o wer sup p l y 5 2 3 4 6 1 7 8 9 HT JK 2P3D P o wer supp l y Probe input TC Digital input Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V 5 2 3 4 6 1 7 8 9 14 11 12 13 15 10 16 17 18 C...

Страница 27: ... HT NiPt 1P7A 24 V 5 0 60 H z 230 V 5 0 60 H z Relay output 8 1 A 250 V Probe input PTC 3 wires Probe input PTC 2 wires 4 5 6 1 2 7 11 12 1 4 5 6 HT NiPt 2P7A 24 V 5 0 60 H z 230 V 5 0 60 H z Relay output 2 8 1 A 250 V Probe input PTC 3 wires Probe input PTC 2 wires Relay output 1 8 1 A 250 V 4 5 6 1 2 3 8 9 7 11 12 10 4 5 6 Connection diagram Model English ...

Страница 28: ...0 6 0 H z 230 V 5 0 6 0 H z NTC1 NTC2 Probe input NTC Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V 4 5 6 1 2 3 8 9 7 11 12 10 HT JK 1P7A 24 V 5 0 6 0 H z 230 V 5 0 6 0 H z Probe input TC Relay output 8 1 A 250 V 4 5 6 1 2 3 8 9 7 11 12 10 HT JK 2P7A 24 V 5 0 6 0 H z 230 V 5 0 6 0 H z Probe input TC Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V 4 5 6 1 2 3 8 9 7 11 12 10 Connection...

Страница 29: ... 60 H z 230 V 5 0 60 H z Digital input Probe input PTC 3 wires Probe input PTC 2 wires Relay output 8 1 A 250 V 5 2 3 4 6 1 14 11 12 13 15 10 7 16 8 9 17 18 16 17 18 HT NiPt 2DA 24 V 5 0 60 H z 230 V 5 0 60 H z Digital input Probe input PTC 2 wires Probe input PTC 3 wires Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V 5 2 3 4 6 1 14 11 12 13 15 10 7 16 8 9 17 18 16 17 18 Connection diagram ...

Страница 30: ... input Probe input NTC NTC1 NTC2 Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V 5 2 3 4 6 1 14 11 12 13 15 10 7 16 8 9 17 18 HT JK 1DA 24 V 5 0 60 H z 230 V 5 0 60 H z Digital input Probe input TC Relay output 8 1 A 250 V 5 2 3 4 6 1 14 11 12 13 15 10 7 16 8 9 17 18 HT JK 2DA 24 V 5 0 6 0 H z 230 V 5 0 60 H z Digital input Probe input TC Relay output 1 8 1 A 250 V Relay output 2 8 1 A 250 V...

Страница 31: ......

Страница 32: ...iale di Brugherio I 20047 Brugherio Mi Via Belvedere 11 Phone 39 039 20901 Fax 39 039 2090222 www vemersiber it V3IS00323 010 122006 Vemer S p A I 32032 Feltre BL Via Camp Lonc 16 Tel 39 0439 80638 Fax 39 0439 80619 e mail info vemer it web site www vemer it ...

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