Baxi PBM-i 20 Manual Del Usuario página 103

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INSTALLER CONNECTIONS
Supplementary heating always enabled
Supplementary heating with the electric heater is enabled
for all outside air temperatures.
To enable heating at all times set parameter 0303 = 0 and
010G = 0
Electric heater operation reflects the trend in water outlet
temperature, as shown on the graph in figure 4.
3
Outlet
3°C
heater
Enabled
OFF
0304 Outside temperature
to enable outlet heaters
4
ON
Heater
OFF
Outside air T
ON
Compressor
OFF
Once the heater is enabled, supplementary heating is activated when the integra-
tion time set for parameter 0617 is reached and the delay time 0616 has elapsed.
The delay time is ignored when the unit is first started.
Example:
Value 0617 = 600°C*sec
Outlet temperature set point= 50°C
Actual temperature = 40°C
(50 – 40) x 60 sec = 600°Csec. ----> Electric heater ON
Low values of 0617 mean frequent activation of the heater.
Too high values of 0617 mean long delays in activating the heater
Outlet electric heater operating parameters in SUPPLE-
MENTARY mode when always ENABLED
Description
Activation electrical heater
0 = Electrical heater not enabled
1 = Electrical heater enabled
Type of outlet electric heater oper-
ation
0 = Supplementary
1 = Replacement
Activation with low outside air
temperature
0 = Function not enabled
1 = Function enabled
Minimum outside air temperature
for heat pump operation (make
sure the value set is the same as
shown in the table)
Electric heater delay time
(allows the heat pump to reach
steady operation and thus avoid
activating the heater when not
needed)
Integration time to activate outlet
electric heaters
Set the parameters following the sequence described in
the table
Electric heater activation delay time 0616
Integration time 0617
I A
Menu
Parameter
Value to be
UOM
no
set
Mn03
0300
1
Mn01
010G
0
Mn03
0303
0
Mn03
0311
-20
Mn06
0616
60
Mn06
0617
600
°C*sec
System water control
set point
Actual water
temperature
System HP control
hysteresis
EN PBM 20÷40
°C
min.
23

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Pbm-i 30Pbm-i 40

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