background image

SHR

 

521 20

© Dra

yton

 06

334

 SHR 521 

20.monen.

ind

d

|

 10

4.  Control parameters and menu mode

4.1  Mode-overview

Legend:

x

Corresponding mode is available.

x*

Corresponding mode is available if the appropriate option 
is activated.

  

 

Corresponding mode is only available if the option heat 
quantity measurement is 

activated

 (OWMZ).

 

MEDT

The mode antifreeze content (MED%) is only shown if a 
medium other than 

water or Tyfocor LS / G-LS (MEDT 

0 or 3)

 is used. The adjustment is only appropriate when 

using other types of antifreeze.

  

 

Corresponding mode is only available if the option heat 
quantity measurement is 

deactivated

 (OWMZ).

Please note:

 

 

S3 and S4 are only indicated if sensors are connected.

mode

Arr

specification

page

1

2*

COL

x

x

Temperature collector 1

11

TST

x

Temperature store 1

11

TSTL

x

Temperature store 1 lower

11

TSTU

x

Temperature store 1 upper

11

S3

x

Temperature sensor 3

11

TRF

Temperature return flow

11

S4

Temperature sensor 4

11

h P

x

Operating hours relay 1

11

h P1

x

Operating hours relay 1

11

h P2

x

Operating hours relay 2

11

kWh

Heat quantity kWh

12

MWh

Heat quantity MWh

12

Arr

1-2

System

9

DT O

x

x

Switch-on temperature difference

13

DT F

x

x

Switch-off temperature difference

13

S MX

x

x

Maximum temperature store 1

13

EM

x

x

emergency temperature collector 1

14

mode

Arr

specification

page

1

2

OCX

x

x

Option collector cooling collector 1

14

CMX

x*

x*

Maximum temperature collector 1

14

OCN

x

x

Option minimum limitation  
collector 1

14

CMN

x*

x*

Minimum temperature collector 1

14

OCF

x

x

Option antifreeze collector 1

14

CFR

x*

x*

Antifreeze temperature collector 1

14

OREC

x

x

Option recooling

15

O TC

x

x

Option tube collector

15

AH O

x

Switch-on temp. for thermostat 1

15

AH F

x

Switch-off temp. for thermostat 1

15

OHQM

x

Option WMZ

12

FMAX

Maximum flow

12

MEDT

Antifreeze type

12

MED%

MEDT MEDT Antifreeze content

12

HND

x

x

Manual operation relay 1

16

HND2

x

x

Manual operation relay 2

16

LANG

x

x

Language

16

PROG

XX.XX

Program number

VERS

X.XX

Version number

Summary of Contents for SHR 521 20

Page 1: ...uying a Drayton product Please read this manual carefully to get the best perfomance from this unit Drayton SHR 521 20 Installation Commissioning Operation Fault nding Examples SHR 521 20 manual B 490...

Page 2: ...e following security advice in order to avoid danger and damage to people and property Instructions Attention should be paid to the statutory provisions for prevention of industrial accidents to the s...

Page 3: ...tus and operating control lamp Operation by 3 pushbuttons on the front of the housing Functions Temperature differential controller with optional system func tions System monitoring according to BAW g...

Page 4: ...521 20 Drayton 06334 SHR 521 20 monen indd 4 Examples SHR 521 20 Please nd detailed con nection diagramms for these systems in chap ter 1 Standard solar systems Solar systems with dual mode DHW cylin...

Page 5: ...before opening the housing 1 2 Electrical wiring The power supply to the controller must only be made by an external mains switch last step of installation and the mains voltage must be 220 240Volt 50...

Page 6: ...nder with 1 store 3 sensors and backup heating The sensor S4 TRF can optionally be used for heat quantity balancing Arr 2 1 2 2 Allocation of terminals for system 2 Symbol Speci cation S1 collector se...

Page 7: ...rd key 1 is used for scrolling forward through the menu or to increase the adjustment values The backwards key 2 is accordingly used for the reverse function To con rm the current mode hold down butto...

Page 8: ...rs with collector sensor Pump 3 way valves The ow direction or the current breaking capacity are always shown Heating circuit Store 1 and 2 with heat exchanger Back upheat with burner symbol Temperatu...

Page 9: ...pply must be activated The controller passes an initialisation phase in which the operating control lamp ashes red and green When the initialisation is complete the controller is in automatic operatio...

Page 10: ...return ow 11 S4 Temperature sensor 4 11 h P x Operating hours relay 1 11 h P1 x Operating hours relay 1 11 h P2 x Operating hours relay 2 11 kWh Heat quantity kWh 12 MWh Heat quantity MWh 12 Arr 1 2 S...

Page 11: ...mperatures display range 40 250 C 4 1 4 Indication of other temperatures Shows the current temperature of the sensor TRF temperature return ow TRF other measured temperatures display mode 40 250 C 4 1...

Page 12: ...eze Adjustment range 0 3 Factory setting 1 MED Concentration of antifreeze in Vol MED is blinded out by MEDT 0 and 3 Adjustment range 20 70 Factory setting 45 The heat quantity transferred is calculat...

Page 13: ...exceeded a further loading of the store is stopped so that a damaging overheating can be avoided If the maximum store temperature is exceeded is shown on the display Please note The controller is equi...

Page 14: ...ctor limit Adjustment range OFF ON Factory setting OFF The minimum collector temperature is a minimum switching temperature which must be exceeded to allow the solar pump R1 R2 to switch on The minimu...

Page 15: ...actory setting OFF 4 1 13 Recooling function If the selected maximum store temperature S MX is reached the solar pump remains activated to avoid overheating the collector The store temperature might c...

Page 16: ...g adjustments can be made 4 1 16 Operating mode HAND HND1 HND2 Operating mode OFF relay off ashing AUTO relay in automatic operation ON relay on ashing HAND HND1 HND2 Operating mode Adjustment range O...

Page 17: ...f the control lamp goes out o k no The can fuse of the controller is defective It can be replaced after removal of the front cover spare fuse is enclosed in the accessory bag Operating control lamp as...

Page 18: ...calci ed yes Control replace Decali cation no Heat exchanger blocked yes no Cleaning Heat exchanger too small yes New calculation of the dimension no Check collector special function Change Ton and To...

Page 19: ...mp start up in manual operation yes There is no current check fuses replace them and check power supply The selected temperature difference for starting the pump is too high choose suitable setting no...

Page 20: ...tning Sensors Our product range includes high precision platinum tem perature sensors atscrew sensors ambient temperature sensors indoor temperature sensors cylindrical clip on sensors and irradiation...

Reviews: