Short name
Meaning
Remark
Order No.
1
Cold water supply pipe
2
Domestic water (hot) distribution
3
Heating flow
4
Heating return flow
5
Mixing circuit
Optional
6
Circulation circuit
7
Check valve, return valve
Provided by customer
7a
Gravity break
Accessories
16 50 70
8
Solar circuit
Optional
9
Gas line coolant circuit
10
Fluid line coolant circuit
3UV1
3-Way switch valve
Supplied with HPSU compact.
3UVB
3-Way switch valve
AMK1
Mixing unit
Accessories
15 60 44
BUH
Backup heater
Accessories
BV
Bypass valve
Provided by customer
C
Refrigerant compressor
Supplied with RRLQ.
CW
Cold water
DHW
Domestic hot water
E
Expansion valve
Supplied with RRLQ.
FLS
Flow sensor, Solaris FlowSensor FLS
(flow and flow temperature measurement)
Accessories
HEM1
Heating circuit expansion module
Accessories
15 60 64
HPSU compact
ROTEX Solar tank with integrated interior heat pump unit
MAG
Diaphragm expansion vessel
Provided by customer
MIX
3-way-mixer with drive motor
Supplied with AMK1.
P
High-efficiency pump
Supplied with HPSU compact.
P
MI
Mixing circuit pump
Supplied with AMK1.
P
S1
Operating pump
Supplied with RPS3.
P
S2
Booster pump
P
Z
Circulation pump
Provided by customer
PWT
Panel heat exchanger (condenser)
Supplied with HPSU compact.
RPS3
Solaris control and pump unit
Accessories
16 41 06
RRLQ
ROTEX Exterior heat pump unit
SK
High-performance flat solar panel
Solaris V21P
16 20 12
Solaris V26P
16 20 10
Solaris H26P
16 20 11
SV
Safety pressure relief valve
t
AU
External temperature sensor
Supplied with RRLQ.
t
DHW
Heat generator tank temperature probe
Supplied with HPSU compact.
t
Mi
Mixer circuit flow temperature sensor
Accessories
15 60 62
t
K
Solaris collector temperature sensor
Supplied with RPS3
t
R
Solaris collector temperature sensor
T
S
Solaris storage cylinder temp. sensor
T
V
Solaris inflow temperature sensor
Supplied with FLS
V
Fan (vaporiser)
Supplied with RRLQ.
VS
Scalding protection VTA 32
Accessories
15 60 15
Tab. 5 -1 Short names in hydraulic drawings
5
x
Hydraulic system connection
53
FA ROTEX HPSU compact 308 - 02/2012