MAXA ADVANTIX MP Series - Outdoor Unit; Terminal Block Connections

i-SHWAK V4 Inverter air/water chillers and heat pumps with wall-mounted indoor unit and remote condensing outdoor unit
26
Terminal block Auxiliary Board – AB – Indoor unit
Jumper
Terminal
Description
CN3
HP+
N.U.
HP-
N.U.
LP+
N.U.
LP-
N.U.
DT
DHW terminals
CN4
PWM 1 / 0-10V 1
Analog output for DHW circulator signal
CN5
PWM 2 / 0-10V 2
Analog output for plant circulator signal
CN7
12V
See 12V terminals
AI10
Ratiometric 0-10V analog input
+5V
Power supply for ratiometric
CN8
AI1
IMP terminals
AI2
Outlet (flow) temp. sensor
AI3
Inlet temp. sensor
AI4
DHW secondary flow sensor
CN9
AD1
DHW primay flow sensor
AD2
DHW seconday inlet temperature sensor
DI1
Flowswitch
DI2
ON/OFF terminals
DI3
SW termninals
CN10
L
Single-phase 230Vac
N
NU
DO1
DO1 terminal
DO2
DO2 terminal
DO3
DO3 terminal
DO4
DO4 terminal
DO5
Phase 230Vac
DO5
DO5 terminal
CN12
NC1
Normally Closed Changeover Contact
C1
Phase 230Vac
NO1
Normally Open Changeover Contact
I+ / I-
I+ / I- terminals
GND
GNDR terminal
R+ / R-
R+ / R- terminals
E+ / E-
E+ / E- terminals
CN14
NC2
NC2 terminal
C2
Phase 230Vac
NO2
NO2 terminal
For connecting the I- / I+ and GNDR terminals, t’s recommend to use a shielded twisted-pair multipolar cable 5x0.75mm
2
.
8.7.2 Outdoor unit
The connections listed below are standard. Other connections are shown in the manual MCO (Control Manual) of the control
panel of the machine i-SHWAK V4.
x Remove the mounting screws of the cover of the power supply (see the paragraph 8.4.2.3.)
x Connect the cable to the terminals inside the electric box.
x For electrical connections please refer to the wiring diagrams given in the supplied MSE manual.
8.7.2.1 Terminal block connections
The terminal block must be connected in compliance with the following notes (the schema is only for illustration).
Outdoor unit terminal block
Terminal
Description
GND
Grounding
N1
Neutral
L1
Phase 1
L2
Phase 2 (only for three-phase systems)
L3
Phase 3 (only for three-phase systems)
NO
Power supply (230V AC) general alarm (closed if the alarms is on)
N
Neutral
NC
Power supply (230V AC) general alarm (closed if the alarm is off)
I+ / I-
Modbus Slave
Wiring with indoor unit
R+ / R-
Modbus Master
Wiring with indoor unit
GNDR
GND reference signals
(Modbus reference mass for connection with indoor unit)