Dwyer Instruments Love 40T Series Specifications-Installation And Operating Instructions Download Page 2

WIRING

Avoid installing the temperature probe cables in close proximity of any power cables. 

If the length of the probe cables is longer than 100 meters, a recalibration adjustment 

may be made using the CA1 parameter.

ELECTRIC

SYSTEM

POWER SUPPLY

PTC/NTC

PROBES

12

11

10

9

12

11

12

11

10

12

11

12

IN COM

COM

IN CP

COM

COM

IN

12 V

ROOM

ROOM

ROOM

ROOM

J/K

THERMOCOUPLES

2/3 WIRES PT 100,

PT 1000 AND 

NI 120 PROBES

0-20/4-20 mA AND 

0-10/2-10 V

ACTIVE TRANSDUCERS

2/3 WIRES 4-20 mA

PASSIVE 

TRANSDUCERS

IN

11

10

9

7

6

5

4

3

2

1

MAX. 10 

A

K 1

LOAD

PARAMETER LIST

Parameter Description

Units

Range

Factory Setting

SP

CA1

P0

P1

P2

P3

P4

P5

r0

r1

r2

r3

r5

C1

C2

C3

C4

C5

d0

d3

d4

d5

d6

A1

A2

A3

A4

A5

A6

A7

E9

Set point

Ambient probe adjustment

Type of input probe

Decimal point position

Display units

Minimum process input value

Maximum process input value

Value displayed during normal operation

Set point differential

Minimum set point value

Maximum set point value

Set point locked

Cooling or heating

Minimum time between compressor starts

Minimum compressor stoppage time

Minimum on time of compressor

Off time of fault cycle

On time of fault cycle

Interval between defrost

Duration of defrost cycle

Defrost on power up

Defrost delay upon power up

Display during defrost cycle

Alarm set point 1

Alarm delay for A1

Alarm 1 type

Alarm delay upon set point modification

Alarm set point 2

Alarm delay for A2

Alarm 2 type

Reserved for future use

Degrees

Degrees

Option

Option

Option

Counts

Counts

Option

Degrees

Degrees

Degrees

Option

Option

Minutes

Minutes

Seconds

Minutes

Minutes

Hours

Minutes

Option

Minutes

Option

Degrees

Minutes

Option

Minutes

Degrees

Minutes

Option

None

r1 to r2

-25 to 25

0 to 13

0 or 1

0 or 1

-999 to 1999

-999 to 1999

0 or 1

0.1 to 99.0

-199.0 to r2

r1 to 1999

0 or 1

0 or 1

0 to 240

0 to 240

0 to 240

0 to 240

0 to 240

0 to 99

0 to 99

0 or 1

0 to 99

0 or 1

-199 to 1999

0 to 240

0 to 4

0 to 240

-199 to 1999

0 to 240

0 to 4

None

0.0

0.0

0

1

0

-20

80

0

2.0

0.0

350.0

0

1

0

0

0

10

10

8

0

1

0

1

0.0

0

0

0

0.0

0

0

None

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