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SEK–14P, 16P

0.50.5 –20 to 20100V. AC

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ELECTRONIC STEP THERMOSTATS

Type DSE & FSE

GENERAL DESCRIPTION

• Series SE electronic step thermostats are designed forcapacity control or other multistage control of cooling,

heating or airconditioning equipment.• Type SEK temperature sensing elements are availablefor series SE.

• Double constant voltage circuit and noise eliminationcircuit assure stable control.

• Model with heat-cool selector available.• Type DSE...2 Step thermostat

Type FSE...4 Step thermostat.

TYPE NUMBER SELECTION (SPECIFICATIONS)

DSE –1020A21Example for Complete Catalog No.:  DSE 1 020A 2 1(Type Code) (Power Source Code) (Temp. Code) (Diff. Code) (Step. Temp. Code)

Catalog No. Temp. Range (°C) Temp. SensingElement

ModeWt(kg)Type Power Source Code Temp. Code Differential Code Step Temp. Code Min. Max.

DSE– See Note 1.

020A

See Note 3. See Note 4.

 – 20 20 SEK – 12 Cooling Mode

0.58040A 0 40 SEK – 14 Heat – Cool Selector

060A 20 60 SEK – 16 Heating Mode

FSE– See Note 1.

020A

See Note 3. See Note 4.

 – 20 20 SEK – 12 Cooling Mode

0.89040A 0 40 SEK – 14 Heat – Cool Selector

060A 20 60 SEK – 16 Heating Mode

Note 1: Power Source Code Note 2: Temperature Code Note 3: Differential Code Note 4: Step Temp. Code

Code Power Source

1

2 200V. AC

3 110V. AC

4 220V. AC

6 24V. AC

7 240V. AC

9230V. AC

and Others

Code Range (˚C)

020A

040A 0 to 40

060A 20 to 60

Code Differential (̊ C)

1

2 1.0

3 1.5

4 2.0

5 2.5

6 3.0

7 3.5

8 4.0

Code Step Temp. (˚C)

1

2 1.0

3 1.5

4 2.0

5 2.5

6 3.0

When ordering, please specify complete catalog No. comprising type, power source, temperature, differential and step temp. codes.

TEMPERATURE SENSING ELEMENT SELECTION

Basic models of sensing element required for each temperature range are

as specified in the table of TYPE NUMBER SELECTION.Depending on the application, various styles of element are available.Please specify model number from the table below when ordering.

Type Application Models available

SEK–..H Air or water Temperature Control SEK – 12H, 14H, 16H

SEK–..P Air Temperature Control

SEK–..R001 Room Temperature Control SEK – 12R001, 14R001, 16R001

SEK–..A Liquid Immersion Application SEK – 12A001, 14A001, 16A001

SEK–..K Duct Temperature Control SEK – 14K001, 16K001SEK – ..H with drip-proof construction

Type DSE

Type FSE

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OPERATION

Type FSE

Type DSE

Type DSE

WIRING DIAGRAM

Type FSE

 

 

                

          

        

                        

 

                

          

        

                        

Cooling Mode: Arrow marks indicate directions of switch actionon temperature increase.

Heating Mode: Arrow marks indicate directions of switch actionon temperature decrease.

Terminal locations of L* and H* on type DSE – 060A and FSE – 060Aare changed place each other.

DIMENSIONS

Type FSEType DSE

Unit: mm