6
x
Hydraulic connection
FA ROTEX SC / SCS / HYC - 02/2013
27
MK2
Mixer group with high-efficiency pump (PWM
controlled)
Hot water storage tank SC 538/16/16
P
High-efficiency pump
P
1
Central heating pump
P
HP
Heating circulation pump
P
K
Boiler circuit pump
P
Mi
Mixing circuit pump
P
S1
Solar operating pump
+
P
S2
Solar pressure increasing pump
P
Z
Circulation pump
PWT
Panel heat exchanger (condenser)
RDS1
Solar regulating and pump unit
RLB
Return temperature limiter
RoCon BF
A1 condensing boiler
RoCon M1
Mixer circuit control
RPS3
Solar regulating and pump unit
RRLQ
External unit for heat pump
RKHBX
Heat pump indoor unit
RT
Room thermostat
SOL-M1
Solar printed circuit board heat pump
SK
Solar panel field
SV
Safety overpressure valve
t
AU
External temperature sensor
t
DHW
Storage tank temperature sensor
(heat generator)
t
DHW, A1
Storage tank temperature sensor
(A1 condensing boiler)
t
Mi
Mixer circuit flow temperature sensor
t
RH
Return flow temperature sensor heating circuit
t
K
Solaris collector temperature sensor
t
R
Solaris return flow temperature sensor
T
S
Solaris storage cylinder temp. sensor
T
V
Solaris inflow temperature sensor
V
Fan (vaporiser)
VS
Protection against scalding VTA32
Tab. 6 -1 Short names in hydraulic drawings
Short name
Meaning