28
Pos.
Designation
eR
Plate heat exchanger
eT
Flow limiter
eZ
Motorised 2-way valve, normally closed
Note
Permissible cylinder temperatures:
■
Top section:
Max. 60 °C for type BW 302.B090/BW 302.B120
Max. 50 °C for all other types
■
Average cylinder temperature:
45 °C
Note
Size plate heat exchanger
eR
in accordance with the
technical guide. Without a dirt trap the warranty for the
plate heat exchanger is void.
Electrical installation scheme
For a summary of electrical connections, see from
page 37 and separate "Connection and wiring dia-
gram".
Required parameter settings for DHW heating
Set the required parameters during commissioning;
see from page 57.
Parameter
Setting
"System definition"
■
"System scheme 7000"
"0"
/
"2"
/
"4"
/
"6"
/
"8"
/
"10"
DHW heating:
"Time program DHW"
Set time program (see operating in-
structions)
"Time prog. DHW circ."
Set time program (see operating in-
structions)
"DHW"
■
"Enable booster heaters for DHW heating 6014"
"1"
■
"Enable electric heaters for DHW heating 6015"
"1"
"External heat source"
■
"Enable external heat source for DHW heating 7B0D"
"0"
Preparing for installation
DHW heating
(cont.)
5549 984 GB
Installation
Summary of Contents for KWT BW 301.B090
Page 99: ...99 5549 984 GB...
