7
1.2. LCD
a. DHW indicator
This indicator only activates if the boiler is connected to a separate water heater.
This comes on when the boiler is in DHW mode.
It flashes when the DHW temperature is being regulated via knob 3 (Fig. 1).
b. Water heater on indicator
This indicator only activates if the boiler is connected to a separate water heater.
This indicator comes on when the water heater (optional) is activated via knob 3 (Fig. 1).
c. Alphanumeric indicator
This shows the following:
- CH flow water temperature
- CH temperature setting
- DHW temperature setting (if the boiler is connected to a separate water heater).
- boiler status
- boiler diagnostics
d. Central heating indicator
This comes on when the boiler is in CH mode.
It flashes when the CH temperature is being regulated via knob 4 (Fig. 1).
e. Boiler shutdown indicator
This comes on when there is a malfunction that cannot be reset via the boiler funtion selector (2, fig. 1).
The problem must be solved before the boiler can be restarted.
f. Burner shutdown indicator
This comes on when the burner shutdown device activates due to a malfunction.
To restart the boiler, turn the boiler selector (2, Fig. 1) to the RESET
position for a few seconds and then back to the desired position.
g. Flame indicator
This comes on when the burner flame is present.
h. Chimney-sweep function indicator (for fitter only)
This flashes when the chimney-sweep function is activated.
The flow water temperature and the number of fan revs are shown alternatively (in this case, symbol m is also shown).
i. Thermoregulation indicator (for fitter only)
This comes on when the thermoregulation curve is set.
l. Fictitious ambient temperature indicator
When an external probe is installed, this indicator flashes when the fictitious ambient temperature is set via knob 4.
m. Number of fan revs (for fitter only)
When the chimney-sweep function is activated, symbol h flashes and flow water temperature and number of fan revs are shown
alternatively (in this case, the correspondent symbol is also shown).
fig. 2
a
b
c
d
e
f
g
h
i
l
m
Summary of Contents for KR 55
Page 1: ...IST 03 C 000 01 INSTALLATION USE AND MAINTENANCE TAHITI CONDENSING KR 55 KR 85 GB...
Page 34: ...34 fig 21 A 3 5 Wiring diagram 55 KW...
Page 35: ...35 fig 21 B 85 KW...
Page 42: ...42...
Page 43: ...43...
