Rotex HPSU compact 304 Installation And Maintenance Manual

62
FA ROTEX HPSU compact 4 - 06/2015
9 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 Mixer circuit (optional)
6 Circulation (optional)
7 Check valve, return valve
7a Non return valves
8 Solar circuit
9 Gas pipe (coolant)
10 Fluid pipe (coolant)
3UVB1
3-way diverter valve (internal heat generation cir-
cuit)
3UV DHW 3 way diverter valve (hot water/heating)
A1 A1 oil or gas condensing boiler
AUX
Control cable AUX switch contact boiler demand
(s
ee section 4.4.19)
BUxx Backup heater
C Roolant compressor
CW Cold water
DHW Domestic hot water
DSR1 Solar differential temperature regulation
E Expansion valve
FLS
FlowSensor - solar flow and feed flow tempera-
ture measurement
H
1,
H
2
... H
m
Heating circuits
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
S1
Solar operating pump +
P
S2
Solar pressure increasing pump
P
W1
Primary circuit pump W
EX
P
W2
Secondary circuit pump W
EX
P
Z
Circulation pump
PWT Panel heat exchanger (condenser)
RDS1 Pressure station
RoCon BF Regulation A1 condensing boiler
RoCon HP Control unit for ROTEX HPSU compact
RoCon M1 Mixer circuit control
RPS3 Solar regulation and pump unit
RRLQ External unit for heat pump
RT Room thermostat
SAA1
Storage tank incorporation (A1 condensing
boi
ler)
SAK Storage tank connection (wood boiler)
SAS1 Sludge and magnetic separator
SGB A1 Safety module for A1 condensing boiler
SK Solar panel field
SV Safety over-pressure valve
t
AU
Outside temperature sensor 
RoCon OT1 (see chapter 4.4.11)
t
DHW
Storage tank temperature sensor (heat genera-
tor)
t
DHW, A1
Storage tank temperature sensor (A1 condens-
ing boiler)
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
TMV
Thermostatic 3-way valve for return temperature
increase
V Fan (vaporiser)
VS Protection against scalding VTA32
W
EX
External heat generator
Observe instructions concerning electrical con-
nection (see chapter 4.4.15 and 4.4.19)!
Tab. 9-1 Short names in hydraulic drawings
Short name. Meaning

Rotex HPSU compact 304 Specifications

General

Brand	Rotex
Model	HPSU compact 304
Category	Controller
Language	English