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Siemens Building Technologies
HVAC Products
1
Safety notes
1.1 Warning notes
To avoid injury to persons, damage to property or the environment, the following
warning notes should be observed!
Do not open, interfere with or modify the unit!
·
Before performing any wiring changes in the connection area of the RVW26...,
completely isolate the unit from the mains supply (all-polar disconnection)
·
Ensure protection against electric shock hazard by providing adequate protection
for the connection terminals
·
Prior to commissioning and after changing fuses, check wiring, programming and
all safety functions
·
Fall or shock can adversely affect the safety functions. Such units may not be put
into operation, even if they do not exhibit any damage
To ensure the safety and reliability of the electronic air / fuel ratio control system,
the following points must also be observed
·
Condensation and other effects of humidity must be avoided. Should they occur,
the unit must be allowed to completely dry before switching on again
·
Static charges must be avoided as they can destroy the unit's electronic compo-
nents
Recommendation: Use ESD equipment
1.2 Mounting notes
Ensure that the relevant national safety regulations are complied with.
1.3 Installation notes
·
Installation work and settings must be carried out by qualified staff
·
When making the electrical wiring, observe an adequate distance between the
AC 230 V side and the protective low-voltage section to ensure protection against
electric shock hazard
1.4 Commissioning notes
·
Commissioning work must be carried out by qualified staff
·
After commissioning, check the flue gas values across the entire output range
1.5 Norms and standards
Conformity to EEC directives
– Electromagnetic compatibility EMC (immunity)
– Directive for gas appliances
Electronic Air / Fuel Ratio Control System
1 Safety notes
89 / 336 EEC
90 / 396 EEC
CC1P7873.1en
15.10.2002
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