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24

Disclaimer:

 

This manual & its contents remain the sole property 

of PVR CONTROLS, India and shall not be reproduced or 
distributed without authorization. Although great care has been 
taken in the preparation of this document, the company or its 
vendors in no event will be liable for direct, indirect, special, 
incidental or consequential damage arising out of the use or 
inability to use the product or documentation, even if advised of the 
possibility of such damages. No part of this manual may be 
reproduced or transmitted in any form or by any means without the 
prior written permission of the company. 

reserves the right to make and changes or improvements without 
prior notice.

PVR CONTROLS

Warranty:

 This product is warranted against defects in 

materials and workmanship for a period of one year from 
the date of purchase. During the warranty period, product 
determined by us to be defective in form or function will be 
repaired or, at our option, replaced at no charge. This 
warranty does not apply if the product has been damaged 
by accident, abuse, and misuse or as a result of service or 
modification other than by the company. This warranty is in 
lieu of any other warranty expressed or implied. In no event 
shall the company be held liable for incidental or 
consequential damages, including lost revenue or lost 
business opportunity arising from the purchase of this 
product..

23

CAUTION

WIRING:

 The probe and its corresponding wires should

 

never 

be installed in a conduit next to control or power

 

supply lines. 

The electrical wiring should be done as shown in the diagram. 
The power supply circuit should be connected to a protection 
switch. The terminals admit wires of upto 2.5sq mm.

WARNING:

  Improper wiring may cause irreparable damage 

and personal injury. Kindly ensure that wiring
is done by qualified personnel only.

Maintenance:

 Cleaning:  Clean the surface of the controller 

with a soft moist cloth. Do not use abrasive detergents, petrol, 
alcohol or solvents.

 Notice: 

The information in this document is

 

subject

 

 to 

change in order to improve reliability , design or function 
without prior notice and does not represent

 

a commitment 

on the part of the company. In no

 

event will the company 

be liable for direct, indirect, special, incidental or 
consequential damage arising out of the use or inability to 
use the product or documentation, even if advised of the 
possibility of such damages. No part of this manual may 
be reproduced or transmitted in any form or by any means 
without the prior written permission of the company.

INDIA

Ball Valves

Globe Valves 

Hand Valves

Flow Switches

Solenoid Valves

OUR OTHER PRODUCTS

Cold Room Controller

Chiller Controller

Two Compressors Controller

Heating Controller

Humidity Controller

Pressure Controller

R

03 / 12.06.17

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 
the fastener in the opposite direction of the arrow. Once the 
controller has been connected, they should be covered with 
the lid  4  Silicon sealant should be applied along the 
perimeter of the panel cut out or a rubber ‘O’ ring supplied 
before the unit is fitted to increase protection against water 
seepage.

Controller 

:Controller should be installed in a place 

protected by vibration, water and corrosive gasses and 
where ambient temperature does not exceed the 
values specified in the technical data.

Probe :

To give a correct reading, the probe must be 

installed in a place protected from thermal influences, 
which may affect the temperature to be controlled. 

Summary of Contents for SZ-7510-C

Page 1: ...e SET Point of the controller How to set other parameters To set Heating or Cooling function Max High Temp limit alarm Min Low Temp limit alarm To set Differential Hysterisis Probe calibration Time Delay relay restart after cutoff Keypad lock Relay status on probe failure To enable disable power switch Unit ID Restore factory defaults End Programming Operating messages Technical Data Wiring diagra...

Page 2: ...ge the P6 parameter press the SET key Min Max Fac Use UP DOWN keys to set desired value This parameter is used to protect the compressor from restarting in a short period of time and can be set between 0 to 20 minutes Example If this parameter is set at 3 minutes the relay will cut off at the set temperature but will not restart for a minimum of 3 minutes even if the differential is achieved earli...

Page 3: ...h ENB Enables power switch Controller has power switch which if enable puts controller in active or stand by state If press for 2 seconds controller will go in stand by mode display will show OF To again switch to ACTIVE WORKING MODE press power switch again for 2 seconds All leds and 7 segment display will flash and enter into NORMAL WORKING MODE 14 ID Parameter Function To set unit ID 1 240 1 Mi...

Page 4: ...echnical data Dimensions Front 75 X 34 5 MM Depth 71 MM w o back lid Panel Cutout 29 X 71 mm Mounting Flush panel mounting with fasteners Frontal protection I P65 Connections Screw terminal blocks 2 5sqmm one wire terminal only Display 3 X17 mm 0 67 LED Data storage Non volatile EEPROM memory Power input 230Vac 15 50 60Hz Other on request O O Operating temp 5 C to 50 C non condensing O O Storage t...

Page 5: ...rreparable damage and personal injury Kindly ensure that wiring is done by qualified personnel only Maintenance Cleaning Clean the surface of the controller with a soft moist cloth Do not use abrasive detergents petrol alcohol or solvents Notice The information in this document is subject to change in order to improve reliability design or function without prior notice and does not represent a com...

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