Configuring A Lead Boiler And The Secondary Boilers In A Cascade - Baxi POWER HT+ Series Installation And Service Manual

7 Commissioning
P P arameter number
6020
6046
6049
6050
6051
6052
(1) This parameter setting is an example. The value 800 means that, at 10V, the set point will be 80°C.
Tab.33 Configuration cascade lead boiler
Parameter number
5977
6030
6040
6041
6200
6630
6640
Tab.34 Configuration cascade secondary boilers
Parameter number
5710
6600
66
Parameter
F F unction extension module 1
F F unction input H2 module 1
V V oltage value 1 H2 module 1
F F unct value 1 H2 module 1
V V oltage value 2 H2 module 1
F F unct value 2 H2 module 1
7.5.4 Configuring a lead boiler and the secondary boilers in a cas­
cade
1. Access the installer parameters of the lead boiler.
2. Set the following parameters on the lead boiler:
Parameter
F F unction input H5
R R elay output QX21 module 1
S S ensor input BX21 module 1
S S ensor input BX22 module 1
S S ave sensors
C C ascade master
C C lock mode
3. Access the installer parameters of the secondary boiler(s).
4. Set the following parameters on the secondary boiler(s).
Parameter
T T emps / mode CH1
D D evice address
Setting
Multifunctional
Consumer request VK1 10V
0
0
10
800
See
List of installer parameters, page 74.
See
Connecting boilers in cascade with an OCI 345 interface, page 54.
See
Modifying the installer parameters, page 68.
Setting
None
heating pump CH1 Q2
Common flow sensor B10
Cascade return sensor B70
Yes
Always
Autonomously
See
List of installer parameters, page 74.
See
Modifying the installer parameters, page 68.
Setting
Off
2...3...4...
(1)
Description
Deactivation of the thermostat
on terminal block M M 1 (1–2)
Check on the pump on circuit
1
Check on the cascade flow
temperature
Check on the cascade return
temperature
Saving any modifications
made.
The setting will revert auto­
matically to N N o immediately af­
ter the adjustment.
Identification lead boiler
Cascade lead boiler clock set­
ting
Description
Deactivation of the thermostat
on terminal block M M 1 (1–2)
Cascade activation
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