Watlow Series 988LF Manual de usuario descargar pdf (Pagina 15)

WATLOW Series 988LF User’s Manual 2.5

Installation and Wiring, Chapter 2

Wiring Example

Figure 2.5 -

System wiring

example.

988L-10CA-AARR

rear view

(+)

10

9

2221

12

13

(-)

L1

L2

(-)

120 VÅ (ac)

fuse

Series 146

limit control

146D-1J1F-1100

heater

process sensor limit sensor

optional

normally open

momentary switch

red

high limit

mechanical

contactor

earth ground

(+)

SSR-240-10A-DC1

solid state relay

high

temp limit

light

coil

11

31

24

10 11 12 13 14 15 16 17

(+)

(-)

1 2 3 4 5 6 7 8 9

fuse

fuse

+

-

C NO NC

1

120VÅ (ac)

L1

L2

2

9

10

4

5

1 2

1

2

(+)

(-)

3

11

18

12

13

14

15

2

1CR

16

high temperature light

1

2

3

4

8

9

10

11

12

R

SSR-240-10A-DC1

Solid State Relay

17

1

8

heater

out

48-260VÅ (ac)

(+)

(-)

in

3-32VÎ (dc)

1 CR-1

910

2

12 + 13 -

21 22

5

6

7

Series 988LF

988L-10CA-AARR

Temperature Control

13

5

7

9

11

13

13

14

10

(+)

(-)

11

Series 146

146D-1J1F-1100

Temperature Limit

3

12

4

∫

WARNING:

To avoid potential

electric shock, use

National Electric

Code (NEC) safety

practices when

wiring and connect-

ing this unit to a

power source and

to electrical sen-

sors or peripheral

devices. Failure to

do so could result

in injury or death.

ç

WARNING:

Install high or low

temperature limit

control protection

in systems where

an over tempera-

ture fault condition

could present a fire

hazard or other haz-

ard. Failure to

install temperature

limit control protec-

tion where a poten-

tial hazard exists

could result in dam-

age to equipment,

property and injury

to personnel.

ç

WARNING:

To avoid damage to

property and equip-

ment, and/or injury

of loss of life, use

National Electric

Code (NEC) stan-

dard wiring prac-

tices to install and

operate the Series

988LF. Failure to do

so could result in

such damage,

and/or injury or

death.

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