Potterton Sirius two FS 110, Installation Manual, Page: 67 / 120

2. Set the following parameters on the boiler:
Tab.43 Boiler settings
Parameter number Parameter Setting
5710 Temps / mode CH1 Off
6020 Function extension module 1 Multifunctional
6046 Function input H2 module 1 Consumer request VK1 10V
6049 Voltage value 1 H2 module 1 0,5
(1)
6050 Funct value 1 H2 module 1 250
(1)
6051 Voltage value 2 H2 module 1 10
(1)
6052 Funct value 2 H2 module 1 800
(1)(2)
(1) Default setting
(2) This parameter setting is an example. The value 800 means that, at 10 V, the set point will be 80°C.
For more information, see
Connection diagram: controlling a boiler in 0-10 V, page 35
Electrical connection: controlling a boiler in 0-10 V, page 52
Modifying the installer parameters, page 68
List of installer parameters, page 73
7.5.4 Configuring a master boiler and the slave boilers in a
cascade
1. Access the installer parameters of the master boiler.
2. Set the following parameters on the master boiler:
Tab.44 Configuration of the master boiler in a cascade
Parameter number Parameter Setting Description
5977 Function input H5 None Deactivation of the thermostat
on terminal block M1 (1–2)
6030 Relay output QX21 module 1 heating pump CH1 Q2 Check on the pump on circuit
1
6040 Sensor input BX21 module 1 Common flow sensor B10 Check on the cascade dis­
charge temperature
6041 Sensor input BX22 module 1 Cascade return sensor B70 Check on the cascade return
temperature
6200 Save sensors Yes Saving any modifications
made.
The setting will revert automat­
ically to No immediately after
the adjustment.
6630 Cascade master Always Identification master boiler
6640 Clock mode Autonomously Cascade master boiler clock
setting
3. Access the installer parameters of the slave boiler(s):
4. Set the following parameters on the slave boiler(s).
Tab.45 Cascade configuration of the slave boilers
Parameter number Parameter Setting Description
5710 Temps / mode CH1 Off Deactivation of the thermostat
on terminal block M1 (1–2)
6600 Device address 2...3...4... Cascade activation
6640 Clock mode Slave with remote setting Setting the slave boiler clock
with a master boiler
7 Commissioning
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