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Shinko SE1AA, Instruction Manual, Page: 6 / 56

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Shinko SE1AA Instruction Manual Download Page 6

- 6 -

1. Model

1.1 Model

SE

A Series

S E

A-

-

2 E

2ch alarm detector (thermocouple)

2 R

2ch alarm detector (RTD)

2 A

2ch alarm detector (direct current) (*)

2ch
alarm
detector

2 V

2ch alarm detector (DC voltage)

1 E

1ch alarm detector (thermocouple)

1 R

1ch alarm detector (RTD)

1 A

1ch alarm detector (direct current) (*)

1ch
alarm
detector

1 V

1ch alarm detector (DC voltage)

1

Screw fall prevention, Finger-safe
(For Y terminal)

Socket

2

For Ring terminal

0

100 to 240 V AC

Power supply

1

24 V AC/DC

0

2
points

SE2 A: 1 alarm output for each

channel

SE1 A: 2 alarm outputs

Output points

1

6
points

SE2 A: 3 alarm outputs for each

channel

SE1 A: 6 alarm outputs

(*) For direct current input, a shunt resistor (sold separately) is required.

(E.g.) SE2EA-1-0-0

Alarm detector type:

2ch alarm detector (thermocouple)

Socket:

Screw fall prevention, Finger-safe (For Y terminal)

Power supply:

100 to 240 V AC

Output points:

2 points (1 alarm output for each channel)

Factory default value: CH1 input: K -200 to 1370

CH2 input: K -200 to 1370

Summary of Contents for SE1AA

Page 1: ...PLUG IN TYPE ALARM DETECTOR SE A SERIES INSTRUCTION MANUAL ...

Page 2: ...tions for usage Warning Warning To prevent an electric shock or fire only Shinko or other qualified service personnel may handle the inner assembly To prevent an electric shock fire or damage to the instrument parts replacement may only be undertaken by Shinko or other qualified service personnel Safety Precautions To ensure safe and correct use thoroughly read and understand this manual before us...

Page 3: ...e in which an M3 screw fits Tighten the terminal screw using the specified torque If excessive force is applied to the screw when tightening the screw may be damaged This instrument has no built in power switch circuit breaker or fuse It is necessary to install them near the instrument Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A For wiring of AC power source be sure to us...

Page 4: ...E2 A SE2EA SE2RA SE2AA SE2VA SE A series SE1 A SE1EA SE1RA SE1AA SE1VA Characters Used in This Manual Indication Number 1 0 1 2 3 4 5 6 7 8 9 Indication Alphabet A B C D E F G H I J K L M Indication Alphabet N O P Q R S T U V W X Y Z means that no character is indicated unlit on the display ...

Page 5: ...4 3 2 Output Wiring 18 4 3 3 Input Wiring 19 5 Key Operation Flowchart 20 6 Setup 6 1 Indication after Power on 27 6 2 Basic Operation of Setup 28 6 3 Setup 6 3 1 Function Group 30 6 3 2 CH2 Function Group 40 6 3 3 Special Function Group 40 7 Alarm Settings 7 1 Basic Operation of Alarm Settings 42 7 2 Alarm Settings 7 2 1 Alarm Setting Group 44 7 2 2 CH2 Alarm Setting Group 45 8 Operation 8 1 Indi...

Page 6: ... Y terminal Socket 2 For Ring terminal 0 100 to 240 V AC Power supply 1 24 V AC DC 0 2 points SE2 A 1 alarm output for each channel SE1 A 2 alarm outputs Output points 1 6 points SE2 A 3 alarm outputs for each channel SE1 A 6 alarm outputs For direct current input a shunt resistor sold separately is required E g SE2EA 1 0 0 Alarm detector type 2ch alarm detector thermocouple Socket Screw fall prev...

Page 7: ...0 CH1 input Enter a range selected in Input range CH2 input Enter a range selected in Input range Power supply Power consumption Ambient temperature Serial number Fig 1 2 1 SE1 A Model E g SE1EA 1 0 0 Input Enter a range selected in Input range Power supply Power consumption Ambient temperature Serial number Fig 1 2 2 ...

Page 8: ...r CH2 input value selected in Display selection in RUN mode Indicates setting item characters during Setup and Alarm setting mode 5 Set value display Red Indicates CH1 or CH2 A1 value or CH2 input value selected in Display selection in RUN mode Indicates the set value during Setup and Alarm setting mode 6 UP Key Increases the numeric value or switches the selection items 7 DOWN Key Decreases the n...

Page 9: ...per part of the socket on the DIN rail and mount it A clicking sound is heard Fig 3 2 1 Caution Wire the instrument before inserting the unit into the socket For wiring refer to Section 4 Wiring Hook the upper part of the socket on the DIN rail 30 79 108 3 3 DIN rail 85 29 Socket sold separately 3 ...

Page 10: ... 10 2 Confirm that the Lock Release is lowered Fig 3 2 2 3 Insert the SE A series into the socket Fig 3 2 3 When inserting be careful about the position of pins and slots Lock Release ...

Page 11: ...rn the power supply to the unit OFF 2 Pull the Lock Release down and release the SE A series from the socket Fig 3 3 1 Lock Release Check that the SE A series and the socket are locked by pushing the Lock Release up Lock Release Check that the SE A series and the socket are unlocked by pulling the Lock Release down ...

Page 12: ... 12 3 Separate the SE A series from the socket Fig 3 3 2 4 Remove the socket from the DIN rail by pulling the Socket Lock Release at the bottom of the socket down Fig 3 3 3 ...

Page 13: ...a solderless terminal with an insulation sleeve in which an M3 screw fits as follows For the sockets with finger safe screw fall prevention functions the Ring terminals are incompatible The tightening torque should be 0 63N m Solderless Terminal Manufacturer Model Y type Nichifu Terminal Industries CO LTD TMEV1 25Y 3S Nichifu Terminal Industries CO LTD TMEV 1 25 3 Ring type Japan Solderless Termin...

Page 14: ...ut CH1 A3 output CH2 A2 output CH2 A3 output CH2 TC TC 1 2 3 4 A B B 5 6 7 8 A B B CPU 13 14 9 10 11 12 Power supply Power circuit CH1 output circuit CH2 output circuit Insulation circuit Insulation circuit CH2 input circuit CH1 input circuit Display Setting key circuit CH1 A2 output CH1 A3 output CH2 A2 output CH2 A3 output CH2 A1 output CH1 A1 output Insulation circuit Insulation circuit CH2 CH1...

Page 15: ...t CH1 A1 output CH2 A1 output mA DC 1 2 3 4 5 6 7 8 CPU 13 14 9 10 11 12 CH1 A2 output CH1 A3 output CH2 input circuit CH1 input circuit Insulation circuit Display Setting key circuit Power circuit CH1 output circuit CH2 output circuit Power supply CH1 A1 output CH2 A1 output CH1 CH2 Insulation circuit Insulation circuit Insulation circuit CH2 A2 output CH2 A3 output V DC V DC V 1V DC V 1V DC SE2A...

Page 16: ...uit Insulation circuit Insulation circuit Display Setting key circuit Power supply TC 1 2 3 4 A B B RTD 5 6 7 8 CPU 13 14 9 10 11 12 A3 output A4 output A5 output A6 output A1 output A2 output Power supply Output circuit Power circuit Output circuit Insulation circuit Display Setting key circuit Input circuit Insulation circuit Insulation circuit SE1EA Fig 4 2 5 SE1RA Fig 4 2 6 ...

Page 17: ...Display Setting key circuit Power supply A1 output A2 output 1 2 3 4 5 6 7 8 CPU 13 14 9 10 11 12 A3 output A4 output A5 output A6 output Power supply Input circuit Insulation circuit Display Setting key circuit Insulation circuit Output circuit Power circuit Output circuit Insulation circuit V DC V 1V DC SE1AA Fig 4 2 7 SE1VA DC voltage input terminals V DC 0 to 1 V DC V 1V DC 0 to 5 V DC 1 to 5 ...

Page 18: ...se terminals 9 and 10 for CH1 A1 output wiring Use terminals 11 and 12 for CH2 A1 output wiring SE1 A Use terminals 9 and 10 for A1 output wiring Use terminals 11 and 12 for A2 output wiring Take the following measures for contact protection and noise reduction of A1 output relay AC Power Fig 4 3 2 1 DC Power Fig 4 3 2 2 For 6 points output specification alarm output connectors are attached at the...

Page 19: ...erminals 5 6 for input wiring and shunt resistor connection See Table 4 3 3 1 SE1AA Use terminals 1 2 for input wiring and shunt resistor connection See Table 4 3 3 1 Table 4 3 3 1 Shunt Resistor Input Model for Y terminal Model for Ring terminal Specification 4 to 20 mA DC 0 to 20 mA DC 0 to 16 mA DC RES S06 050 RES S01 050 50 0 1 2 to 10 mA DC 0 to 10 mA DC RES S06 100 RES S01 100 100 0 1 1 to 5...

Page 20: ...to 3308 E 200 to 800 E 328 to 1472 T 200 to 400 T 328 to 752 N 200 to 1300 N 328 to 2372 PL 0 to 1390 PL 32 to 2534 W5Re W26Re 0 to 2315 W5Re W26Re 32 to 4199 W3Re W25Re 0 to 2315 W3Re W25Re 32 to 4199 RTD SE2RA Pt100 200 to 850 Pt100 328 to 1562 JPt100 200 to 500 JPt100 328 to 932 Direct current SE2AA DC voltage SE2VA 4 to 20 mA DC 1999 to 9999 0 to 1 V DC 1999 to 9999 0 to 20 mA DC 1999 to 9999 ...

Page 21: ... De energized 250 ms Energized De energized Auto light function Disabled A1 HOLD function Enabled OFF ON Display selection CH1 input value A2 HOLD function A1 value OFF CH2 input value ON A1 value CH1 input value A3 HOLD function CH2 input value OFF No indication ON Indication time A1 hysteresis 00 00 to 60 00 Min Sec 0 1 to 100 0 A2 hysteresis 0 1 to 100 0 A3 hysteresis 0 1 to 100 0 A1 delay time...

Page 22: ... E 200 to 800 E 328 to 1472 T 200 to 400 T 328 to 752 N 200 to 1300 N 328 to 2372 PL 0 to 1390 PL 32 to 2534 W5Re W26Re 0 to 2315 W5Re W26Re 32 to 4199 W3Re W25Re 0 to 2315 W3Re W25Re 32 to 4199 RTD SE1RA Pt100 200 to 850 Pt100 328 to 1562 JPt100 200 to 500 JPt100 328 to 932 Direct Current SE1AA DC Voltage SE1VA 4 to 20 mA DC 1999 to 9999 0 to 1 V DC 1999 to 9999 0 to 20 mA DC 1999 to 9999 0 to 5 ...

Page 23: ...resis Display selection A4 Energized De energized 0 1 to 100 0 Energized Input value A1 value De energized A4 hysteresis Input value 0 1 to 100 0 A1 value A5 Energized De energized No indication Energized A5 hysteresis De energized 0 1 to 100 0 Indication time 00 00 to 60 00 Min Sec A6 Energized De energized A6 hysteresis Energized 0 1 to 100 0 De energized A1 delay time A1 HOLD function 0 to 9999...

Page 24: ... Group Table 6 1 SE2 A CH1 and CH2 have respective setting items Setting Item Factory Default Value K 200 to 1370 SE2EA Pt100 200 to 850 SE2RA 4 to 20 mA DC 1999 to 9999 SE2AA Input range 1 to 5 V DC 1999 to 9999 SE2VA Decimal point place No decimal point 200 SE2EA SE2RA Scaling low limit 1999 SE2AA SE2VA 1370 SE2EA 850 SE2RA Scaling high limit 9999 SE2AA SE2VA Filter time constant 0 0 sec 0 0 SE2...

Page 25: ...er time constant 0 0 sec 0 0 SE1EA SE1RA Sensor correction 0 SE1AA SE1VA A1 type A2 type A3 type A4 type A5 type A6 type No alarm action A1 Energized De energized A2 Energized De energized A3 Energized De energized A4 Energized De energized A5 Energized De energized A6 Energized De energized Energized A1 HOLD function A2 HOLD function A3 HOLD function A4 HOLD function A5 HOLD function A6 HOLD func...

Page 26: ... A6 delay time 0 sec Special function group Common to CH1 and CH2 Table 6 3 Setting Item Factory Default Value Set value lock Unlock Input sampling period 250 ms Auto light function Disabled CH1 input value A1 value SE2 A Display selection Input value A1 value SE1 A Indication time 00 00 Continuous indication ...

Page 27: ...A Fig 6 1 1 SE1 A Fig 6 1 2 Lights when power on Indicates CH1 input range For the SE2VA indicates as the factory default value is 1 to 5 V DC Indicates the input range For the SE1VA indicates as the factory default value is 1 to 5 V DC Indicates CH2 input range For the SE2VA indicates as the factory default value is 1 to 5 V DC Lights when power on ...

Page 28: ...the Input range selection item in CH1 function group To set or select each item use the or key and register the value with the key Fig 6 2 3 If the key is pressed at the last setting item of each group the unit reverts to the RUN mode Lights when power on For the factory default value indicates the input value For the factory default value indicates A1 value Set value Input value Input value Set v...

Page 29: ... Input Range Selection Fig 6 2 3 To set or select each item use these keys Press the key while CH1 function group characters are indicated To proceed to each setting item or to register the set selected value in CH1 function group use this key Press the key 3 times in the RUN mode ...

Page 30: ...rs For the SE2VA and SE1VA DC voltage input range appears Display Name Function Setting Range Factory Default Value Input range SE2EA SE1EA K 200 to 1370 For the SE2EA and SE1EA selects a thermocouple input range Selection item IN OUT K K J R S B E T N PL W5Re W26Re W3Re W25Re K K J R S B E T N PL W5Re W26Re W3Re W25Re 200 to 1370 0 to 400 200 to 1000 50 to 1760 50 to 1760 0 to 1820 200 to 800 200...

Page 31: ...99 to 9999 For the SE2VA and SE1VA selects a DC voltage input range Selection item IN OUT 0 to 1 V DC 0 to 5 V DC 1 to 5 V DC 0 to 10 V DC 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 Decimal point place No decimal point IN OUT Selects the decimal point place Available for the SE2AA SE2VA SE1AA and SE1VA For the SE2EA SE2RA SE1EA and SE1RA with range No decimal point and 1 digit after decim...

Page 32: ... limit SE2AA SE2VA SE1AA and SE1VA Scaling low limit to 9999 Filter time constant 0 0 sec IN OUT Sets filter time constant Input fluctuation due to noise can be reduced Setting range 0 0 to 10 0 sec Sensor correction 0 0 SE2EA SE2RA SE1EA SE1RA 0 SE2AA SE2VA SE1AA SE1VA IN OUT Sets sensor correction value Input value Current input value Sensor correction value Setting range SE2EA SE2RA SE1EA and S...

Page 33: ...ction item No alarm action High limit alarm Low limit alarm High limit alarm with standby Low limit alarm with standby Alarm action High limit alarm Low limit alarm High limit alarm with standby Low limit alarm with standby Standby functions Standby functions ON OFF A1 hysteresis A1 value ON OFF A1 hysteresis A1 value ON OFF A1 hysteresis A1 value ON OFF A1 hysteresis A1 value ...

Page 34: ...cts an A3 type Available for 6 points alarm output for the SE1 A and SE2 A Note If an A3 type is changed the A3 value defaults to 0 0 0 Selection item No alarm action High limit alarm Low limit alarm High limit alarm with standby Low limit alarm with standby Alarm action Refer to the A1 action p 33 A4 type No alarm action IN OUT Selects an A4 type Available for 6 points alarm output for the SE1 A ...

Page 35: ...lue defaults to 0 0 0 Selection item No alarm action High limit alarm Low limit alarm High limit alarm with standby Low limit alarm with standby Alarm action Refer to the A1 action p 33 A1 Energized De energized Energized IN OUT Selects A1 action Energized or De energized Not available if No alarm action is selected in A1 type Selection item Energized De energized A2 Energized De energized Energiz...

Page 36: ...Energized De energized A1 HOLD function OFF IN OUT Selects OFF or ON for A1 HOLD function If alarm HOLD is selected once A1 activates A1 output ON status will be maintained until power is turned OFF Not available if No alarm action is selected in A1 type Selection item OFF ON A2 HOLD function OFF IN OUT Selects OFF or ON for A2 HOLD function If alarm HOLD is selected once A2 activates A2 output ON...

Page 37: ...nction OFF IN OUT Selects OFF or ON for A6 HOLD function If alarm HOLD is selected once A6 activates A6 output ON status will be maintained until power is turned OFF Not available if No alarm action is selected in A6 type Selection item OFF ON A1 hysteresis 1 0 SE2EA SE2RA SE1EA SE1RA 1 0 SE2AA SE2VA SE1AA SE1VA IN OUT Sets A1 action hysteresis Not available if No alarm action is selected in A1 ty...

Page 38: ...o 100 0 of input span A5 hysteresis 1 0 SE1EA SE1RA 1 0 SE1AA SE1VA IN OUT Sets A5 action hysteresis Not available if No alarm action is selected in A5 type Setting range SE2EA SE2RA SE1EA and SE1RA 0 1 to 100 0 SE2AA SE2VA SE1AA and SE1VA 0 1 to 100 0 of input span A6 hysteresis 1 0 SE1EA SE1RA 1 0 SE1AA SE1VA IN OUT Sets A6 action hysteresis Not available if No alarm action is selected in A6 typ...

Page 39: ... 9999 sec A4 delay time 0 sec IN OUT Sets A4 action delay time A4 output does not turn ON until the set delay time has elapsed after the input enters the A4 output range Not available if No alarm action is selected in A4 type Setting range 0 to 9999 sec A5 delay time 0 sec IN OUT Sets A5 action delay time A5 output does not turn ON until the set delay time has elapsed after the input enters the A5...

Page 40: ...lanation of Section 6 3 1 Function Group 6 3 3 Special Function Group For the SE2 A setting items are common to CH1 and CH2 To enter the Special function group follow the procedures below 1 In the RUN mode press the key until the left characters appear 2 Press the key Set value lock appears Display Name Function Setting Range Factory Default Value Set value lock Unlock IN OUT Locks the set values ...

Page 41: ...ut value A1 value No indication Only the Power indicator is lit Indication time 00 00 Continuous indication IN OUT Sets the indication time of the displays after final key operation Not available if No indication Only the Power indicator is lit is selected in Display selection Displays will go off Only the Power indicator is lit after the indication time has elapsed When the or SUB MODE key is pre...

Page 42: ...ing group press the key in the RUN mode Fig 7 1 1 Press the key while Alarm setting group characters are being indicated Fig 7 1 2 The unit will proceed to the A1 value in the Alarm setting group For alarm settings use the or key and register the value with the key Fig 7 1 3 If the key is pressed at the last setting item the unit will revert to the RUN mode 1 RUN Mode Fig 7 1 1 Press the once in t...

Page 43: ...up Fig 7 1 2 3 A1 Value Fig 7 1 3 Press the key while the Alarm setting group characters are being indicated Please use these keys for settings To proceed to each setting item and to register the set value please use this key ...

Page 44: ...rm action is selected in A2 type Setting range Scaling low limit to Scaling high limit A3 value 0 SE2EA SE2RA SE1EA SE1RA 0 SE2AA SE2VA SE1AA SE1VA IN OUT Sets the A3 value Not available if No alarm action is selected in A3 type Setting range Scaling low limit to Scaling high limit A4 value 0 SE1EA SE1RA 0 SE1AA SE1VA IN OUT Sets the A4 value Not available if No alarm action is selected in A4 type...

Page 45: ...ter the CH2 alarm setting group follow the procedures below 1 In the RUN mode press the key twice 2 Press the key A1 value appears Setting items are the same as those of Section 7 2 1 Alarm setting group p 44 Refer to Section 7 2 1 Alarm setting group for alarm settings ...

Page 46: ...after power on Indicates the input range See Table 8 1 1 p 47 For the SE1VA is indicated as the factory default value is 1 to 5 V DC Indicates CH1 input range See Table 8 1 1 p 47 For the SE2VA is indicated as the factory default value is 1 to 5 V DC Indicates CH2 input range See Table 8 1 1 p 47 For the SE2VA is indicated as the factory default value is 1 to 5 V DC Lights after power on ...

Page 47: ...8 to 3200 58 to 3200 32 to 3308 328 to 1472 328 to 752 328 to 2372 32 to 2534 32 to 4199 32 to 4199 Pt100 JPt100 200 to 850 200 to 500 328 to 1562 328 to 932 4 to 20 mA DC 0 to 20 mA DC 0 to 16 mA DC 2 to 10 mA DC 0 to 10 mA DC 1 to 5 mA DC 0 to 1 mA DC 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 0 to 1 V DC 0 to 5 V DC 1 to 5 V DC 0 to 10 V DC 1999 t...

Page 48: ... value SE1 A A1 value A2 value A6 value A1 value When power is turned ON the A1 value is indicated SE2 A When CH1 input value A1 value or CH2 input value A1 value is selected SE1 A When Input value A1 value or A1 value is selected Lights after power on Indicates the input value for the factory default value Indicates A1 value for the factory default value Lights after power on The relevant indicat...

Page 49: ...hile the key is held down Press the key again while the key is held down If none of the keys are pressed the unit will revert to the alternate display of the set value and SE1 A When alarm output is ON the contents selected in Display selection and are alternately indicated on the Set value display If the key is pressed while holding down the key the alarm output number with current alarm output O...

Page 50: ...ion of 10000 or more the lower 4 digits of input value are flashing E g Indication of 10020 IN Underrange Overrange and Sensor Burnout indication Underrange If input value becomes 10 of the input span or less flashes on the Input display Overrange If input value becomes 110 of the input span or more flashes on the Input display Indication time setting If indication time is set the displays will go...

Page 51: ...25Re 0 to 2315 32 to 4199 The minimum input span is 50 100 SE2RA SE1RA Input detection current Approx 0 2 mA Allowable lead wire resistance 10 or less per wire Burnout Upscale Input RTD Input Range Pt100 200 to 850 328 to 1562 JPt100 200 to 500 328 to 932 The minimum input span is 50 100 SE2AA SE1AA Input Shunt resistor 4 to 20 mA DC 0 to 20 mA DC 0 to 16 mA DC 50 2 to 10 mA DC 0 to 10 mA DC 100 1...

Page 52: ...esis SE2EA SE2RA SE1EA SE1RA 0 1 to 100 0 SE2AA SE2VA SE1AA SE1VA 0 1 to 100 0 of input span Alarm delay time 0 to 9999 sec Alarm Energized De energized Energized De energized Selectable Alarm HOLD function OFF ON Selectable A1 output SE2 A A1 A2 outputs SE1 A Relay contact 1a Control capacity 3 A 250 V AC resistive load 1 A 250 V AC inductive load cos 0 4 Electrical life 100 000 cycles A2 A3 outp...

Page 53: ...splay 4 digit Character size 10 x 4 6 mm H x W Power indicator Green LED CH1 indicator Yellow LED SE2 A CH2 indicator Yellow LED SE2 A Installation Specifications Power supply 100 to 240 V AC 50 60 Hz 24 V AC DC 50 60 Hz Allowable voltage fluctuation 85 to 264 V AC 20 to 28 V AC DC Power consumption Approx 9 VA Ambient temperature 5 to 55 Ambient humidity 35 to 85 RH non condensing Weight Approx 2...

Page 54: ...sensor correction value is suitable Set it to a suitable value AC leaks into the sensor circuit Use an ungrounded type sensor There may be equipment that interferes with or makes noise near the unit Keep equipment that interferes with or makes noise away from the unit 10 2 Key Operation Problem Presumed Cause and Solution Settings are not possible Lock 1 or Lock 2 is selected in Set value lock Sel...

Page 55: ...urrent 4 to 20 mA DC 1999 to 9999 SE2AA SE1AA Input range DC voltage 1 to 5 V DC 1999 to 9999 SE2VA SE1VA Decimal point place No decimal point Scaling low limit 200 SE2EA SE2RA SE1EA SE1RA 1999 SE2AA SE2VA SE1AA SE1VA Scaling high limit 1370 SE2EA SE1EA 850 SE2RA SE1RA 9999 SE2AA SE2VA SE1AA SE1VA Filter time constant 0 0 sec Sensor correction 0 0 SE2EA SE2RA SE1EA SE1RA 0 SE2AA SE2VA SE1AA SE1VA ...

Page 56: ... sampling period 250 ms Auto light function Disabled Display selection CH1 input value A1 value SE2 A Input value A1 value SE1 A Indication time 00 00 Continuous indication Inquiries For any inquiries about this unit please contact the vendor where you purchased the unit or our agency after checking the following e g Model SE2EA 1 0 0 Serial number No 124F05000 In addition to the above please let ...

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