Benchmark - Vaillant ecoCRAFT exclusive Operating Instructions Manual

Sym-
Meaning
bol
comDIALOG
Heating mode
0020149575_01 ecoCRAFT exclusive Operating instructions
Explanation
The heating flow
and domestic
hot water tem-
perature are
specified via the
comDIALOG
communications
system. The
product works at
temperatures
other than those
set at the rotary
knob.
This operating
mode can only
be terminated by:
– comDIALOG
– Changing the
temperature
at the rotary
knobs by more
than ± 5 K
This operating
mode cannot be
terminated by:
– Pressing the
Reset button.
– Switching the
product off
and on again
– Symbol per-
manently on:
Product is in
heating mode
operating
mode
– Symbol flash-
ing: Burner
anti-cycling
time is active
Product description 3
Sym-
Meaning
bol
Hot water gener-
ation
Heating pump
operating
Solenoid valve is
actuated
Current energy
demand
Fault during
burner operation
Burner operating
correctly

3.4 Benchmark

Vaillant is a licensed member of the
Benchmark Scheme which aims to im-
prove the standards of installation and
commissioning of domestic heating and
hot water systems in the UK and to en-
courage regular servicing to optimise
safety, efficiency and performance.
Explanation
– Symbol per-
manently vis-
ible: Charging
mode for the
domestic hot
water cylinder
is enabled by
the control and
floor-standing
boiler control
system
– Symbol
flashes: Do-
mestic hot
water cylin-
der is being
heated
Gas supply to the
burner is open
Display of the
current burner
modulation
rate (bar graph
display)
Burner is
switched off
Burner is
switched on
9