Technical data

SHR 521 20
© Drayton 06334 SHR 521 20.monen.indd
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Contents
Disclaimer ............................................................................2
Safety Regulations ...............................................................2
Technical data and function ...............................................3
1. Installation .............................................................5
1.1 Mounting .................................................................................. 5
1.2 Electrical wiring ...................................................................... 5
1.2.1 Standard solar system ........................................................... 6
1.2.2 Solar system and back-up heating ...................................... 6
2. Operation and function ........................................7
2.1 Adjustment buttons .............................................................. 7
2.2 System-screen display ........................................................... 7
2.2.1 Channel indication ................................................................. 7
2.2.2 Tool bar .................................................................................... 7
2.2.3 System screen ......................................................................... 8
2.3 Flashing symbols ..................................................................... 8
2.3.1 System-Screen flashing symbols ......................................... 8
2.3.2 Flashing symbols ..................................................................... 8
3. Commissioning ......................................................9
4. Control parameter and indication channels ... 10
4.1 Channel overview ................................................................ 10
4.1.1-6 Indication channels ..............................................................11
4.1.7-17 Adjustment channels ........................................................... 12
5. Tips for fault finding ........................................... 17
5.1 Miscellaneous ........................................................................18
6. Accessories ......................................................... 20
Security advice
Please pay attention to the 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 statutory provisions for environmental protection,
- to the Health and Safety at Work Act 1974
- to Part P of the Building Regulations 2005
- to BS7671 Requirements for electrical installations and
relevant safety regulations of DIN, EN, DVGW, TRGI, TRF
and VDE.
This instruction is exclusively addressed to authorised
skilled personnel.
- Only qualified electricians should carry out electrical
works.
- Initial installation should be effected by named qualified
personnel
Declaration of conformity
We, Invensys Controls Europe, declare under our sole re-
sponsibility that our product SHR 52120 complies with the
following standards:
EN 55 014-1
EN 60 730-1
According to the regulations of the above directives, the
product is labelled with :
89/336/EWG
73/ 23/EWG