38
FA ROTEX Solaris RPS4 -
04/2016
8
x
Hydraulic system connection
Short name.
Meaning
1
Cold water distribution network
2
Hot water distribution network
3
Heating flow
4
Heating return flow
5
Mixing circuit
6
Circulation
7
Check valve, return valve
7a
Non return valves
8
Solar circuit
9
Gas pipe (coolant)
10
Fluid pipe (coolant)
11
Storage tank flow
12
Storage tank return flow
3UV1
3-way switch valve (DHW)
3UV2
3-way switch valve (cooling)
3UV3
3-way switch valve (heating support)
3UVB1
3-way switch valve (heating, internal circuit regu-
lated)
3UV DHW
3-way switch valve (DHW + heating support reg-
ulated)
A1
A1 oil or gas condensing boiler
BOyy
Electric immersion heater (Booster Heater)
BUxx
Electric immersion heater (Backup-Heater)
BV
Bypass valve
C
Coolant compressor
CW
Cold water
DHW
Domestic hot water
E
Expansion valve
FLG
FlowGuard Regulating valve with flow rate indi-
cator
FLS
Flow sensor, FlowSensor FLS 20 or alternative
type as per tab. 6.1 (Flow and Feed Temperature
Measurement)
GCU com-
pact
GasCombiUnit-series (solar storage tank with
integrated gas condensing equipment)
H
1,
H
2
… H
m
Heating circuits
HP-TR
Main regulator heat pump
HPSU com-
pact
HPSU compact-series (solar storage tank with
integrated heat pump unit)
MAG
Diaphragm expansion vessel
MIX
3-way-mixer with drive motor
MK1
Mixer group with high-efficiency pump
MK2
Mixer group with high-efficiency pump (PWM
controlled)
P
High-efficiency pump
P
K
Boiler circuit pump
P
Mi
Mixing circuit pump
P
S
Solar operating pump
+
P
Z
Circulation pump
PWT
Panel heat exchanger (condenser)
RKHB
Indoor unit HPSU Bi-Bloc heat pump
RLB
Return temperature limiter
RoCon HP
Control HPSU compact
RoCon BF
Regulation A1 condensing boiler
RoCon M1
Mixer circuit control
RPS4
Solaris Control and pump unit
RRHQ
Outdoor unit HPSU Bi-Bloc heat pump
RRLQ
Outdoor unitHPSU compact
RT
Room thermostat
S#A
HYC 343/19/0-DB
S#H
SCS 538/16/0-DB
SAS1
Sludge and magnetic separator
SK
Solar panel field
SV
Safety over-pressure valve
t
AU
Rocon OT1 exterior temperature sensor
(included in scope of supply GCU compact)
t
DHW
Storage tank temperature sensor (included in the
scope of supply)
t
Mi
Mixer circuit flow temperature sensor
T
K
Solar collector temperature sensor
T
R
Solar return flow temperature sensor
T
S
Solar storage cylinder temp. sensor
T
V
Solar flow temperature sensor
V
Fan (vaporiser)
VS
Protection against scalding VTA32
Tab. 8-1 Short names in hydraulic drawings
Short name.
Meaning