Tech Controllers EU-402N PWM User Manual page 12

SCHEME 3/17 – TWO COLLECTORS, TWO PUMPS
Installation 3/17 supports:
➔
two collector pumps (the pumps operate independently in
separate circuits),
➔
accumulation tank,
➔
two directions of collector positioning,
➔
additional peripherals.
Installation sensors:
➔
two collector sensors,
➔
accumulation tank sensor.
NOTE
Collector settings (SERVICE MENU>>SOLAR COLLECTOR) concern collectors positioned in both directions
Additional parameters to be configured:
o
Pump deactivation delta 2
o
Pump activation delta 2
SCHEME 4/17 – TWO COLLECTORS, VALVE
Installation 4/17 supports:
➔
collector pump,
➔
collector switching valve
➔
accumulation tank,
➔
two directions of collector positioning,
➔
additional peripherals.
Installation sensors:
➔
two collector sensors,
➔
accumulation tank sensor.
Additional parameters to be configured:
•
Collector delta
SCHEME 5/17 – CH BOILER HEATING
Installation 5/17 supports:
➔
collector pump,
➔
auxiliary pump – tank-boiler (Pump 2),
➔
accumulation tank with lower and upper circuit,
➔
one direction of collector positioning,
➔
additional peripherals (
pump
)
Installation sensors:
➔
collector sensor,
➔
two sensors of accumulation tank - upper and lower one
➔
CH boiler temperature sensor.
➔
no possibility of cooling down with DHW
12
.