822-1002-C01 datasheet(25/40 Pages) MAGNETROL

25 / 40 page

50-621 Kotron Sentinel Models 822, 832 and 842 RF Point Level Switches

15. Use the UP

or DOWN

arrow key to raise or

lower the value. Time delay is adjustable between 0 and

90 seconds.

16. When the desired value is displayed, press ENT

to lock

in the value and to display LLFS (low level fail-safe).

17. If LLFS is the required condition, press ENT

display RLY1.

18 If high level fail-safe is desired, use the UP

or DOWN

arrow key to toggle to HLFS. When the desired condi-

tion is displayed, press ENT

to display RLY1. Refer to

Section 1.7.3, Relay Wiring Chart for fail-safe information.

19. Press DOWN

arrow key to proceed to RLY2.

NOTE: If relay is used as an alarm, and differential is set to zero (i.e.,

LVLO = 14 and LVHI = 14), a small amount of time delay is

recommended (usually one second).

NOTE: Relays 2, 3, and 4 are configured in the same manner as

Relay 1, except that the fault condition is not an option.

2.4.4 Program Path 5 — Service

From the RUN display, press the ENT

and DOWN

arrow keys simultaneously.

The Service program path is designed to aid the customer

in troubleshooting the Sentinel; it should be accessed only

with the assistance from Magnetrol factory personnel.

Only the TEST mode section may be utilized without

factory assistance.

STEP 1: SRVC (Service)

From the RUN Mode, press the ENT

and DOWN

arrow keys simultaneously. (

) The display will

read SRVC.

STEP 2: VERS (Version)

Press ENT

to display VERS (version).

Press ENT

again to display the current software

revision number.

Press ENT

to display SRVC once again.

Press ENT

to display VERS.

Use the DOWN

arrow key to display HEX

(hexadecimal).

ENT

RUN

SERV

TRIP

XXXX

HEX

AVG

HOLD

VERS

TEST

Multiple Mode Only

XXXX

ENT

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