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Airstream INTER 2V4SA, User Manual

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M 890-00505   rev.02

REV.02

INTER 2V4SA

Temperature Controller

User’s manual

ALARMS
TEST MODE
OUTSIDE TEMP / OFFSET
ROOM TEMP / MIN / MAX
PROBE TEMP / MIN / MAX
RELATIVE HUMIDITY  / MIN / MAX
SET POINT / TEMP RAMP
CURRENT RAMPING DAY

STAGE 1 MIN SPEED / RAMP
STAGE 1 BANDWITH / TIMER
STAGE 1 RH COMPENSATION
STAGE 1 MOTOR TYPE
STAGE 1 OVERRIDE MIN. SPEED

STAGE 2 MIN SPEED
STAGE 2 OFFSET / BANDWITH
STAGE 2 DE-ICING
STAGE 2 MOTOR TYPE

STAGE 3 - 6 DIFFERENTIAL

MIST OFFSET / DIFFERENTIAL
MIST TIMER
MIST RH COMPENSATION

HEATER 1 OFFSET / DIFFERENTIAL
HEATER 2 OFFSET / DIFFERENTIAL

VARIABLE STAGE 1
VARIABLE STAGE 2

STAGE 3
STAGE 4
STAGE 5
STAGE 6

MIST

HEATER 2
HEATER 1

RH COMPENSATION

TEMP RAMP

MIN SPEED RAMP

PROBE DEFECT

ALARM

%
°C / °F
SEC. / MIN.
LOCKED

ST

A

GE 1

ST

A

GE 2

MIST

FUNCTIONS

ADJUSTMENTS

 OTHER FUNCTIONS

INTER

 2V4SA

Summary of Contents for INTER 2V4SA

Page 1: ...MOTOR TYPE STAGE 1 OVERRIDE MIN SPEED STAGE 2 MIN SPEED STAGE 2 OFFSET BANDWITH STAGE 2 DE ICING STAGE 2 MOTOR TYPE STAGE 3 6 DIFFERENTIAL MIST OFFSET DIFFERENTIAL MIST TIMER MIST RH COMPENSATION HEAT...

Page 2: ...mory card is write protected If you want to copy the controller s configuration on the memory card make sure the switch at the bottom of the card is at the unlocked position The controller is write pr...

Page 3: ...sfer is incorrect the letters COPY and Error will flash on screen In this case press the up or down adjustment button to exit the error menu and then refer to the table below to see possible error cau...

Page 4: ...ithout having to enter the building Minimum ventilation cycles When ventilation is not required for cooling the first stage fans can be operated either continuously or intermittently to reduce the lev...

Page 5: ...ity As humidity increases the minimum speed of stage 1 fans increases proportionally to compensate for the change Full speed fan start up In order to overcome the inertia of the ven tilation system co...

Page 6: ...RM C F SEC MIN LOCKED STAGE 1 STAGE 2 MIST FUNCTIONS ADJUSTMENTS OTHER FUNCTIONS INTER 2V4SA Main menu LED Display Status LEDs Units Adjustment but tons Menu selectors 35 INTER 2V4SA rev 02 INTER 2V4S...

Page 7: ...controller should be combined with another line N for 115V or L2 for 230V to activate the motor Also be sure the Stage 1 and 2 COMM is sup plied by line L1 The Stage s fuse is open Replace the fuse T...

Page 8: ...caps located on each of the four mounting holes Mount the enclosure on the wall using four screws Be sure the electrical knockouts are at the bottom of the enclosure in order to prevent water from ent...

Page 9: ...rev 02 INTER 2V4SA 4 4 Temperature Probes The controller is supplied with one tempera ture probe connected to input 1 Up to three additional probes can be connected to the controller in order to obtai...

Page 10: ...the parameters The Locked Parameter status LED turns off ON OFF 1 1 ON OFF 31 INTER 2V4SA rev 02 INTER 2V4SA 11 Alarms The controller sets off an alarm in the case of a power failure a fault in the su...

Page 11: ...peratures I Viewing the Room Temperature The room temperature is the average value of all temperatures measured by activated probes in proper operating condition Select the ROOM TEMP MIN MAX menu The...

Page 12: ...ts function independently dif ferent probes are assigned to each output Probes 1 and 2 are assigned to Heater 1 and Probes 3 and 4 are assigned to Heater 2 In dividual probes can be turned on or off u...

Page 13: ...ion between consecutive steps of the ramp When the last step is reached the controller keeps using the tem perature set point associated to that day Temperature 90 0 87 2 84 4 81 6 78 8 76 0 73 2 70 4...

Page 14: ...uttons to set it to the desired value IV Deactivating the Temperature Ramp Select the SET POINT TEMP RAMP menu and then press the Other Functions button to scroll down all ramp steps until the word ON...

Page 15: ...seconds the Off Time can be adjusted from 0 to 60 minutes To disable mist cooling set the On Time to zero Select the MIST TIMER menu The current On Time for the mist cycle is displayed al ternating w...

Page 16: ...x x is the day number Use the adjustment buttons to set the day number of the first ramp step Press the Other Functions button once again The minimum ventilation speed associ ated with the first step...

Page 17: ...tion speed associated with that day Speed 10 Speed 9 Speed 8 Speed 7 Speed 6 Speed 5 Speed 4 Speed 3 Speed 2 Speed 1 Min Ventilation Ramp 1 2 3 4 5 6 7 8 10 11 12 DAYS Min Vent Speed stage 1 Notes Cer...

Page 18: ...midity exceeds the humidity set point the minimum ventilation fans are operated continu ously rather than cycled RH Comp on the Min Ventilation Speed RH Level 10 RH Set Point Compensat ed speed Regula...

Page 19: ...onds in increments of 15 seconds To run the fans continuously at minimum speed set the Off Time to zero and On Time to any value other than zero To stop the fans set the On Time to zero and Off Time t...

Page 20: ...ious graph Stage 2 Offset ranges from negative S1 bandwidth to 10 0 C 18 0 F Select the STAGE 2 OFFSET BANDWIDTH menu The offset of stage 2 flashes on the display alternating with the letters OFSET Us...

Page 21: ...ious graph Stage 2 Offset ranges from negative S1 bandwidth to 10 0 C 18 0 F Select the STAGE 2 OFFSET BANDWIDTH menu The offset of stage 2 flashes on the display alternating with the letters OFSET Us...

Page 22: ...onds in increments of 15 seconds To run the fans continuously at minimum speed set the Off Time to zero and On Time to any value other than zero To stop the fans set the On Time to zero and Off Time t...

Page 23: ...midity exceeds the humidity set point the minimum ventilation fans are operated continu ously rather than cycled RH Comp on the Min Ventilation Speed RH Level 10 RH Set Point Compensat ed speed Regula...

Page 24: ...tion speed associated with that day Speed 10 Speed 9 Speed 8 Speed 7 Speed 6 Speed 5 Speed 4 Speed 3 Speed 2 Speed 1 Min Ventilation Ramp 1 2 3 4 5 6 7 8 10 11 12 DAYS Min Vent Speed stage 1 Notes Cer...

Page 25: ...x x is the day number Use the adjustment buttons to set the day number of the first ramp step Press the Other Functions button once again The minimum ventilation speed associ ated with the first step...

Page 26: ...seconds the Off Time can be adjusted from 0 to 60 minutes To disable mist cooling set the On Time to zero Select the MIST TIMER menu The current On Time for the mist cycle is displayed al ternating w...

Page 27: ...uttons to set it to the desired value IV Deactivating the Temperature Ramp Select the SET POINT TEMP RAMP menu and then press the Other Functions button to scroll down all ramp steps until the word ON...

Page 28: ...ion between consecutive steps of the ramp When the last step is reached the controller keeps using the tem perature set point associated to that day Temperature 90 0 87 2 84 4 81 6 78 8 76 0 73 2 70 4...

Page 29: ...ts function independently dif ferent probes are assigned to each output Probes 1 and 2 are assigned to Heater 1 and Probes 3 and 4 are assigned to Heater 2 In dividual probes can be turned on or off u...

Page 30: ...peratures I Viewing the Room Temperature The room temperature is the average value of all temperatures measured by activated probes in proper operating condition Select the ROOM TEMP MIN MAX menu The...

Page 31: ...the parameters The Locked Parameter status LED turns off ON OFF 1 1 ON OFF 31 INTER 2V4SA rev 02 INTER 2V4SA 11 Alarms The controller sets off an alarm in the case of a power failure a fault in the su...

Page 32: ...rev 02 INTER 2V4SA 4 4 Temperature Probes The controller is supplied with one tempera ture probe connected to input 1 Up to three additional probes can be connected to the controller in order to obtai...

Page 33: ...caps located on each of the four mounting holes Mount the enclosure on the wall using four screws Be sure the electrical knockouts are at the bottom of the enclosure in order to prevent water from ent...

Page 34: ...controller should be combined with another line N for 115V or L2 for 230V to activate the motor Also be sure the Stage 1 and 2 COMM is sup plied by line L1 The Stage s fuse is open Replace the fuse T...

Page 35: ...RM C F SEC MIN LOCKED STAGE 1 STAGE 2 MIST FUNCTIONS ADJUSTMENTS OTHER FUNCTIONS INTER 2V4SA Main menu LED Display Status LEDs Units Adjustment but tons Menu selectors 35 INTER 2V4SA rev 02 INTER 2V4S...

Page 36: ...ity As humidity increases the minimum speed of stage 1 fans increases proportionally to compensate for the change Full speed fan start up In order to overcome the inertia of the ven tilation system co...

Page 37: ...ithout having to enter the building Minimum ventilation cycles When ventilation is not required for cooling the first stage fans can be operated either continuously or intermittently to reduce the lev...

Page 38: ...sfer is incorrect the letters COPY and Error will flash on screen In this case press the up or down adjustment button to exit the error menu and then refer to the table below to see possible error cau...

Page 39: ...mory card is write protected If you want to copy the controller s configuration on the memory card make sure the switch at the bottom of the card is at the unlocked position The controller is write pr...

Page 40: ...MOTOR TYPE STAGE 1 OVERRIDE MIN SPEED STAGE 2 MIN SPEED STAGE 2 OFFSET BANDWITH STAGE 2 DE ICING STAGE 2 MOTOR TYPE STAGE 3 6 DIFFERENTIAL MIST OFFSET DIFFERENTIAL MIST TIMER MIST RH COMPENSATION HEAT...

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