IOM SYSHP MINI HYDRO

34
CAUTION
When connecting to the power supply terminal, use the circular wiring terminal with the insulation casing (see Figure 8.1).
Use power cord that conforms to the specifications and connect the power cord firmly. To prevent the cord from being
pulled out by external force, make sure it is fixed securely.
Stated values are maximum values (see electrical data for exact values).
The ground fault circuit interrupter must be a high-speed type breaker of 30 mA (<0.1 s).Flexible cord must meet
60245IEC(H05VV-F) standards.
NOTE
The default of backup heater is as option 3 (for 9kW backup heater). If 3kW or 6kW backup heater is needed,
please ask professional installer to change the Dip switwch S1 to option 1(for 3kW backup heater) or option 2(for
6kW backup heater), refer to 9.2.1 FUNCTION SETTING.
NOTE
1 2 3 4
S1
ONOFF
1 2 3 4
S1
ONOFF
1 2 3 4
S1
ONOFF
Option 1
Option 2
Option 3
Mode selection of 3-phase 3/6/9KW backup heater
Unit
Wiring size(mm
2
)
3KW-1PH 3KW-3PH 6KW-3PH 9KW-3PH
4.0 2.5 4.0 4.0
Basic
1.5
INDOOR UNIT
POWER SUPPLY
3-phase 3/6/9KW backup heater
INDOOR UNIT
POWER SUPPLY
1-phase 3KW backup heater
XT1
L N
LPS
FUSE
LPS
FUSE
L1 NL2 L3
L3 N L2L1
XT1
L N
LPS
FUSE
XT1
INDOOR UNIT
POWER SUPPLY
（Basic）
+
Power cord
Insulation tube
Circular wiring
terminal
Figure 8.1