Delta-T RZ-01A Series Especificaciones descargar pdf (Pagina 19)

4421 Tradition Trail ● Plano, Texas 75093 ● 972 -964-2700 ● 800-836-7472

URL: www.iscenclosurecooling.com ● Email: iscinfo@iscsales.com

SP-ENG-210-100-09 Rev 1.6 19 | P a g e

*3Note: Refer to Electrical Schematics for further diagnostics.

Unit Not Cooling

Is Compressor

On?

YES

Check

Setpoint. Is

Setpoint

below

ambient?

YES

Is snowflake

LED lit on

controller?

Set Setpoint between

70 to 95 deg F

YES

Is evaporator

Fan on?

YES

Is there voltage to

compressor? Use

meter

Check for faulty

evaporator fan

Measure Temperature at Evaporator

& Verify Heat Load Requirements. Is

unit capacity adequate for internal

head load? Possible low refrigerant.

Is compressor

thermal overload

open? Use ohm

meter.

Check for error code

CA,LA,HA,LA2,HA2,

P1, or P2

YES

Check contactor

circuit. Does it have

power?

YES

Refer to Alarm Signals

in Digital Temperature

Controller

Programming Section

Contact Customer

Support

YES

Verify contact coil is

being activated. Check

connectivity

, if issue

persists component

replacement may be

needed.

Contact

Customer

Support

YES

Contact Customer

Support

Replace Thermal

Overload.

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Delta-T RZ-01A Series Especificaciones Pagina 19

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