17
18
Technical Data:
Connections
:
Male Spade Connectors.
0
0
Operating Temp. :
5 C to 50 C(non-condensing).
0
0
Storage Temp.
:
-20 C to 70 C(non-condensing).
Defrost Relay
:
10A/12VDC(res.).
Input
:
2 NTC Probe, SZ-N75.
0
Accuracy
:
+/- 1 C.
Mounting
:
Flush panel mounting.
Power Input
:
230Vac
Housing
:
Black, ABS Plastic.
Data Storage
:
Non-Volatile EEPROM Memory.
Front Cover
:
Polycarbonate plastic.
Panel Cutout
:
150mm X 31mm.
Range
:
-50.0°C to +50.0°C (0.1°C res.).
0
0
Probe Tolerance at
25 C :
+/-0.3 C.
Front Protection :
Front panel is water proof & IP64 rated.
Display
:
3X14.2mm(0.56”) LED.
Compressor Relay :
20A/12VDC(res.).
Fan Relay
:
10A/12VDC(res.).
Light Relay
:
10A/12VDC(res.).
0
Resolution
:
0.1 C.
19
Suggested Connection Diagram
20
SZ-7534
prg
S
ET
RST
2
2
36 mm
185.5 mm
32.2 mm
134 mm
65.60 mm
56.55 mm
21.6 mm
30 mm
36 mm
15.5 mm
Panel Cutout
150mm
31mm
I5.2
Operating Messages and Icon status
Drip time On.
L2, L1, L4,
P7
Comp. Relay On.
Comp. Relay Off.
Comp. Relay Timedelay.
Buzzer On.
On
Off
Flashing
On
On
Message
Description
Parameter
Mode
SP, P4, P6
Fan Relay Timedelay.
Fan Relay On.
Fan Relay Off.
2
On
Off
Flashing
Flashing Coil Probe fail.
AL
1
2
3
4
5
6
7
8
9
10
1
1
12
13
14
15
16
17
COIL
ROOM
NC
NO
NO
NO
NC
NO
+ 12VDC
Digital input
from Pressure
(HP/LP/OSS)