SZ-7534
OPERATING
INSTRUCTIONS
www.pvrcontrols.com
INDIA
Minimum allowable low temperature limit.
Compressor differential.
Room probe offset calibration (cold room probe).
Drip time for defrost water to drain out.
Time delay between Compressor relay restart
time.
Compressor relay status on probe (room probe)
failure.
INDEX
To set others parameters.
Cutout point of the Controller.
Maximum allowable high temperature limit.
Time delay between Evap. Fan relay restart time.
Evap. Fan stop temp. (Coil).
Evap. Fan operation when Compressor is off.
Evap. Fan Differential.
Coil probe offset calibration (evap. fan coil probe).
Evap. Fan status during defrost.
3
3-4
4
4-5
5
5-6
6
7
7
8
7-8
8
9
9
10
10
Quick freeze set point.
10
Activate power up defrost cycle.
Quick Freeze time duration.
10-11
E2
Type of computation for defrost frequency.
E3
Defrost frequency.
E4
Maximum Defrost duration.
E5
Defrost stop temperature (Evap. Coil probe).
12
12
13
13
E6
Alarm on heater function fault.
14
E8
E7
Maximum Defrost duration on Coil probe fail.
Display during defrost.
AL
Power on time delay for Alarm.
FS
Revert to factory set parameter.
LP
Lock Keypad.
EP
End programming.
Operating Messages for Faults.
Operating Messages and Icon status.
PARAMETER
14
14
16
15
15
16
16
17
Technical Data.
Connection Diagram.
18
19
Introduction
Get to Know your Controller
Items Included
Key Introduction
Parameter List
1
1
1
2
3
DESCRIPTION
Pg.
No.
INDEX
PARAMETER
DESCRIPTION
Pg.
No.
P3
P4
P5
P7
P6
P8
Set Point
P2
L2
L1
Sensing logic for HP/LP/OSS.
do
L3
L4
L5
L6
CS
E0
Ct
E1
Type of defrost.
11
Cyclic OFF time.
7
OFF time
Cyclic ON time.
On time
7
Panel cutout & Dimensions.
20
