Rotex HPSU compact (V5) Installation And Maintenance Manual

72
FA ROTEX HPSU compact (V5) • 
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 (refrigerant)
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 4.5.18)
BUxx Backup heater
BV Bypass valve
C Coolant compressor
CW Cold water
DHW Domestic hot water
DSR1 Solar differential temperature regulation
E Expansion valve
FLG FlowGuard regulating valve with flow indicator
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
controll
ed)
P High-efficiency pump
P
K
Boiler circuit pump
P
Mi
Mixing circuit pump
P
S
Solar operating pump +
P
W1
Primary circuit pump W
EX
P
W2
Secondary circuit pump W
EX
P
Z
Circulation pump
PWT Panel heat exchanger (condenser)
RDS2 Pressure station
RoCon BF A1 condensing boiler
RoCon HP Control unit for ROTEX HPSU compact
RoCon M1 Mixer circuit control
RPS4 Solar regulation and pump unit
RPWT1 Plate heat exchanger
RRLQ Exterior heat pump unit
SAA1
Storage tank incorporation (A1 condensing
boi
ler)
SAK2 Storage tank connection (wood boiler)
SAS1 Sludge and magnetic separator
SBG A1 Safety module for A1 condensing boiler
SK Solar panel field
SV Safety overpressure valve
t
AU
Outside temperature sensor 
RoCon OT1 (see chapter 4.5.10)
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 4.5.14 and 4.5.18)!
Tab. 9-1 Short names in hydraulic drawings
Short name Meaning

Rotex HPSU compact (V5) Specifications

General

Brand	Rotex
Model	HPSU compact (V5)
Category	Heat Pump
Language	English