Connection To Power Mains; Mpa 800 W; Mpa 1200 W; Mpa 1800 W - Vents MPA 800 W User Manual

4

CONNECTION TO POWER MAINS

DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
THE POWER
ELECTRICIAN WHO IS AUTHORIZED FOR UNASSISTED OPERATIONS WITH ELECTRIC UNITS
OF POWER VOLTAGE UP TO 1000 V AFTER CAREFUL STUDY OF THE USER'S MANUAL.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER'S
LABEL. ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE
WARRANTY.
The units are designed for connection to AC 230 V/50 Hz single- or 400 V / 50 Hz three-phase power mains depending on the unit type. The
cable cross section must be in compliance with the unit power consumption, wire type, maximum heating temperature, insulation type, cable
length and installation type.
Use cables with copper wires only!
The unit is connected to power supply on the terminal block according to the wiring diagram and terminal marking. Connect the control and
power cables in compliance with the terminal marking and polarity.
Connection to power mains must be performed via an automatic circuit breaker with magnetic trip, integrated into fixed house cabling with
the tripping current exceeding the unit current consumption.
EXTERNAL WIRING DIAGRAM FOR THE MPA 800 W, MPA 1200 W, MPA 1800 W AND MPA 2500 W UNITS
DO3
K1
L N PE 1 2 3 4 5 6 7
L N PE PE N L 1
U1 U2 PE Z 1
PE N L
N
M1
M3*
Designation Name
M1 Supply fan
M2* Circulating pump
DD1* Dry run protection relay
SM1* Supply air damper actuator
SM2* Heat medium regulating valve actuator
PK1* Contact from fire alarm panel
P1 Remote mounted control panel
PD1 Pressure differential switch on the supply filter
TE1 Outdoor temperature sensor
TE3 Return heat medium temperature sensor
TE4 Freeze protection sensor of the water heater
TE5 Supply air temperature sensor
1. The system is operable in case of no DD1 fluid pressure switch in the water heater. In this case the contacts 11 and 12 must be jumped.
2. The maximum connecting cable length from the P1 remote control panel is 10 m.
3. *— not included into delivery set, available as a specially ordered accessory.
4. ** maximum connecting cable length is 20 m.
MAINS CONNECTION SHALL
DIgnd
DO5 DO6 DI6 DI7 AO3
24V AC 24V AC
~ ~
8 9 10 11 12 13 14 15 16 17 18 19
2 c no nc c no 1 2 3 6 5 1
2 1 2 2 1 1 2 3 5 6 5
L - + Y U
AC208EM2+LP
SM1* P1*
SM2*
DD1* PK1*
— ELECTRIC SHOCK HAZARD!
Type
max 0.8 kW
max 0.3 kW
NC
LF230
LR 24 SR
NO
AC208EM2+LP
NC
PT 1000 ST-01
PT 1000 STw-02
PT 1000 STw-02
PT 1000 STa-02
ONLY BE PERFORMED BY
DI1 DI3
AI6 DI2 AI7 DO1 DO2
230V AC 190V AC
~ ~
20 21 22 23 24 25 26 27 28 29 30 31
9 2 3 4 7 1 2 1 2 1 2 1
1 9 2 3 4 7 8 3 1 2 1 2 1 2 1 2
PD1 TE1 TE3 TE4
Cable
3 х 0,75 mm
2
2 х 0,75 mm
2
2 х 0,75 mm 2
3 х 0,75 mm 2
2 х 0,75 mm
2
www.ventilation-system.com
A QUALIFIED
DO4 DI8 DIgnd AIgnd AI1
160V AC
~
32
1
1 2
TE5
Freemax MX
AI3 AI4 AIgnd AI5