Winland Electronics EA200 User Manual

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© 2012 Winland Electronics, Inc.

D-011-0099 Rev E (08/2012)

ALWAYS TEST THE SYSTEM

Test the system to ensure proper operation prior to leaving the job site. To test the system, either change the probe’s
temperature so it exceeds your limits, or change the limits to simulate an alarm. If a delay has been programmed, take the
delay out, test the unit, and then put the delay back in.

FREEZER/COOLER MONITORING

Never install the EnviroAlert console in a cooler or freezer (condensing environment). Instead, use a remote probe (TEMP-L-S
or TEMP-L-W) and program your zone accordingly. Extend the length of probe wiring up to 1,000’ (304.8m) using 22-18 AWG
twisted pair.

AVOIDING FALSE ALARMS ON A COOLER OR FREEZER

Both the EA200 and EA400 offer an alarm delay from 0-120 minutes for each zone. When a cooler or freezer door is opened,
the temperature will rise and the probe will detect that rise. Freezers periodically need to enter a defrost cycle which may
also cause the temperature to rise above your limits. Set delays to avoid nuisance alarms under these normal circumstances.
We cannot advise you on what to set for delays or limits.

ON-BOARD TEMP SENSOR (EA200 ONLY)

The EA200 has an on-board ambient temperature sensor and it is programmed on Zone 1.

More information and product manuals can be found at: www.winland.com

POWER REQUIREMENTS:

AUX OUT

Zo

ne 1

PWR IN

PWR OUT

Zo

ne 2

REMOTE PROBE INPUT

ALARM OUTPUTS

(On-Board

Sensor)

Zone 2

(External

Probe)

EA200

AUX OUT

Zo

ne 1

Zone 2

Zo

ne 3

Zo

ne 4

PWR IN

PWR OUT

Zo

ne 1

Zo

ne 2

Zo

ne 3

Zone 4

REMOTE PROBE INPUTS

ALARM OUTPUTS

EA400

EA200-12: 11 to 14 VDC @ 120mA EA400-12: 11 to 14 VDC @ 200mA
EA200-24: 23 to 26 VDC @ 120mA EA400-24: 23 to 26 VDC @ 200mA

Figure 1 - EA200 and EA400 Wiring

STEP 1: CONNECT POWER AND PROBE(S)

Connect power to the PWR IN terminals, as shown in Figure 1. Be sure to observe proper polarity. Connect the probe(s) to the
zone(s) you intend to monitor. Extend the length of probe wiring up to 1,000’ (304.8m) using 22-18 AWG twisted pair.

EA200 NOTE: Zone 1 is dedicated for the on-board temperature sensor. Remote probes must be programmed on Zone 2.

There is only one input for a remote probe on the EA200 - this is Zone 2.

EA400 NOTE: The EA400 does not have an on-board temperature sensor and uses only remote probes.

STEP 2: UNLOCK CONSOLE FOR PROGRAMMING

To unlock the console, press and simultaneously release the ENTER and ALARM SILENCE buttons. The
“lock” icon should change to “unlocked”.

Lock Unlock

STEP 3: SET THE TIME AND DATE

Press the TIME/DATE button. Using either the INCREASE or DECREASE button, adjust the hours and then press the ENTER
button. Continue in this manner to set the minutes, AM/PM, year, month, and day. If power is lost, the time and date must
be reset.

STEP 4: PROGRAM THE ZONE(S)

1. Press the ZONE button. The active zone number will be flashing.

2. Select the zone you wish to program using INCREASE or DECREASE and then press ENTER. The “no”
means “not operational” and indicates the zone is currently off. Any zone not programmed should
be set to “no” and therefore turned off.

3. Based on the chart (Figure 2), select the proper sensor type using INCREASE or DECREASE and press ENTER.