POWERSTREAM Ascari -
p. 25 -
2.16.2 - Direct room thermostat connections
and direct cylinder thermostat
L1
: Live
N
: Neutral
F
: 4A fuse size 5 x 20
C1
: Electronic card with display
CC
: 3 speed pump
SC
: Boiler’s sensor
AQS1
: 60°C safety limitator with
manual reset
AQS2
: 100°C safety limitator with
manual reset
K1 to K4
: 20A power breakers
DT
: Total cut-out (remove the
bridge)
DP1 & DP2
: Partial cut-out (remove the
bridge)
R
: External command relay
Room thermostat
: Direct room thermostat no-
volt normally open contacts
Cylinder thermostat : External command from
direct cylinder thermostat
(normally open contact
240V)
Key
: