Sub-Zero SZ-7524-P User Manual
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Sub-Zero SZ-7524-P User Manual

Sub-Zero SZ-7524-P User Manual

Cold room controller
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COLD ROOM CONTROLLER
USER MANUAL
INDIA
SZ-7524-P
www.subzero.co

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Summary of Contents for Sub-Zero SZ-7524-P

  • Page 1 COLD ROOM CONTROLLER USER MANUAL INDIA SZ-7524-P www.subzero.co...
  • Page 2 SZ-7524-P Introduction. Features : 2 NTC probes for cold room temp. + Evap. coil temperature. Range : -40.0 C to 50.0 C. Relay outputs : Compressor + Defrost + Evap. Fan. Compressor protection algoriithm. Auto/Man defrosting facility (Time/Temp based). Buzzer Output...
  • Page 3 To change Use UP/DOWN keys to set (High Temp) indicating that the the P5 desired value. In time it may be temperature has gone above the parameter, possible that the display may value in this parameter and at press the be offset by a degree or so.
  • Page 4 SET key. 1 = Evap. Fan will stay on when P7 parameter Function: To set drip time for 0 Min 99 Min 1 Min compressor is off. defrost water to drain out. 0.1 C 20.0 C 2.0 C L4 parameter Function: Evap.
  • Page 5 To change Use UP/DOWN keys to set E8 parameter Function: Defrost duration 1 Min 10 Min 5 Min the E2 desired value. during Coil probe failure parameter, 0 = Total of real time. (Only manual) press the For example if the unit goes into SET key.
  • Page 6 : 3 SPDT relay, 8(3)A, 250Vac. Manual defrost this key for 4 seconds the unit Input : 2 NTC Probe. SZ-7524-P will go into defrost mode. Range : -40.0 C to +50.0 C. If E4 parameter is set to 0, or Coil Resolution : 1 C / 0.1 C.
  • Page 7 SUGGESTED WIRING DIAGRAM 71mm SZ-7524-P (230V) BUZZER COMP. FAN DEFROST 230V ROOM COIL Panel cutout 10mm SZ-B75 SZ-N75 SZ-N75 (10Vdc,10mA max) PHASE NEUTRAL Caution : Wiring for 230Vac Loads Only. SZ-7524-P (12VDC) BUZZER COMP. FAN DEFROST 12VDC ROOM COIL 19mm...
  • Page 8 Installation : Fixing and dimensions of panel models: To fix the unit, slide the fastener 1 through the guides 2 as per the position shown in the figure. Move the fastener in the direction of the arrow, pressing tab 3 it permits to move OUR OTHER PRODUCTS the fastener in the opposite direction of the arrow.

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