Sub-Zero SZ-7524-P

0 de-activates keypadlock.
on activation, all the parameters
can only be viewed. but not
modified.
24 rS parameter Function: To change the
resolution.
rS To change Use UP/DOWN keys to set
the rS desired value.
parameter,
press the This parameter when set to 0,it
0
SET key. will take all parameter in 0.1 C
resolution.
This parameter when set to 1,it
0
will take all parameter in 1 C
resolution.
Note : Temperature and
parameter will also change
accordingly.
25 EP parameter Function: To end programming.
EP To end Once the SET key is pressed,
programming the control goes into the normal
press the mode and displays the
SET key. temperature and all settings are
recorded.
UP Key To view a coil temp.
UP key.
Down Key Down & Program key.
Mute Key This key will mute the buzzer.
To force a Manual Defrost, press
Manual defrost this key for 4 seconds the unit
SZ-7524-P will go into defrost mode.
If E4 parameter is set to 0, or Coil
temp. is greater than defrost stop
temp. this key will remain
inactive.
Set Key Set key.
1
0 0
9
Technical data :
Housing : Black, ABS Plastic.
Front Cover : Red Ploycarbonate plastic.
Dimensions : Front - 75 x 34.5 MM,
Depth- 71MM(w/o. back lid).
Panel Cutout : 29X71mm.
Mounting : Flush panel mounting with fasteners.
Protection : Front panel is waterproof &
I.P.65 rated.
Connection : Screw terminal blocks.
2.5sq mm one wire/terminal only.
Display : 3X14.2 MM (0.56”)LED.
Data Storage : Non-Volatile EEPROM Memory.
Power Input (Options) : 230Vac +/-10%, 50-60Hz, Other on request.
0 0
Operating Temp : 5 C to 50 C(non-condensing).
0 0
Storage temp : -20 C to 70 C(non-condensing).
Output : 3 SPDT relay, 8(3)A, 250Vac.
Input : 2 NTC Probe.
0 0
Range : -40.0 C to +50.0 C.
0 0
Resolution : 1 C / 0.1 C.
0
Accuracy : +/-1 C.
0 0
Probe Tolerance at 25 C : +/-0.3 C.
Alarm (Buzzer) : SZ-B75. 10V,10mA.
Evap. fan Relay on/off
L1, L4
On/Off
Comp. Relay in Timedelay
P6
Flashing
Evap. Fan Relay in Timedelay
L2
Flashing
Defrosting in progress
On
E3, E4, E5
Operating messages and Icon status
Message
Description
Parameter
Ht
Temperature above the maximum limit of the set point.
Lt
Temperature below the minimum limit of the set point.
PP
Probe short circuit, circuit open or without
0 0
probe, or temperature < -40.0 C or > 50.0 C
Comp. Relay on/off
Alarm (Ht, Lt, PP)
Flashing
P2
P3
On/Off
10
Set Point, P4,
P6