26
NOTE
:
- Minimum cable section AWG18 (0 .75 mm
2
)
-
Please use H07RN-F for the power wire, all the cable are connect to high voltage except for thermistor cable and cable for user interface.
-
Equipment must be grounded . All high-voltage external loads, if it is metal or a grounded port, must be grounded .
- All external loads current is needed less than 1 .5A, if the loads current is greater than 1 .5A,Single external load current is needed less than
0 .2A, if the single load current is greater than 0 .2A, the load must be controlled through AC contactor .
ELECTRICAL CONNECTIONS
Item
Description
AC / DC
Required number of
conductor
Maximum running
current
2
User interface
AC
5
200mA
3
Room thermostat cable
AC
2 or 3
200mA
4
Boiler control cable (AHS) (dry contact)
/
2
200mA
5
Temperature probe cable for T1B
DC
2
-
8
Outside circulation pump (P_o)
AC
2
200mA
9
DHW pump control cable (P_d)
AC
2
200mA
10
2-way valve control cable (SV2)
AC
2
200mA
11
3-way valve control cable (SV1)
AC
2 or 3
200mA
12
Temperature probe cable for T5
DC
2
-
13
DHW tank booster heater control cable (TBH)
AC
2
200mA
14
Power supply cable for booster heater (TBH)
AC
2
200mA
15
Power supply cable for unit
AC
2+PE (1-phase)
3+PE N+ (3-phase)
Ref . to electrical data
16
Power supply cable for backup heater (IBH)
AC
2+PE (IBH 1-phase)
Ref . to electrical data
19
Power supply cable for outside circulation pump (P_o)
AC
2
200mA
20
Power supply cable for DHW pump (P_d)
AC
2
200mA
21
Temperature probe cable for T1
(only if IBH is installed)
AC
2
200mA
22
Backup heater control cable (IBH)
AC
2
200mA
■
Most field wiring on the unit is to be made on the terminal block inside the switch box. To gain access to the
terminal block, remove the switch box service panel.
Switch off all power including the unit power supply and backup heater and domestic hot water tank power supply (if applicable)
before removing the switch box service panel .
■ Fix all cables using cable ties.
■ A dedicated power circuit is required for the backup heater.
■ Installations equipped with a domestic hot water tank (optional) require a dedicated power circuit for the booster heater.
Please refer to the domestic hot water tank Installation & Owner's Manual .
Secure the wiring in the order shown below.
■ Lay out the electrical wiring so that the front cover does not rise up when doing wiring work and attach the front cover securely
(see figure).
■ Follow the electric wiring diagram supplied with the unit.
Precautions on wiring of power supply
■ Use a round crimp-style terminal for connection to the power supply terminal board . In case it cannot be used due to unavoidable
reasons, be sure to observe the following instructions .
WARNING
- Do not connect different diameter wires to the same power supply terminal .
(Loose connections may cause overheating .)
■ Use the correct screwdriver to tighten the terminal screws. Small screwdrivers
can damage the screw head and prevent appropriate tightening .
1 High voltage wire hole
2 Low voltage wire hole
3 Drainage pipe hole
4 Water outlet
5 Water inlet
1
2
3
1 High voltage wire hole
2 Low voltage wire hole
3 High voltage wire hole
4 High voltage wire hole
5 Drainage pipe hole
6 Low voltage wire hole
7 Low voltage wire hole(backup)
8 Low voltage wire hole(backup)
9 Water inlet
10 water outlet
1
2
3
4
5
6
7
8
9
1-phase 5/7 kW
1-phase 10~16kW
3-phase 12~16kW
10
5
4
1 High voltage wire hole
2 Low voltage wire hole
3 High voltage wire hole
4 High voltage wire hole
5 Drainage pipe hole
6 Low voltage wire hole
7 Low voltage wire hole(backup)
8 Low voltage wire hole(backup)
9 Water inlet
10 water outlet
1 High voltage wire hole
2 Low voltage wire hole
3 Drainage pipe hole
4 water outlet
5 Water inlet
MOD . 10 - 14 - 14T
MOD . 5 - 7
1 High voltage wire hole
2 Low voltage wire hole
3 Drainage pipe hole
4 Water outlet
5 Water inlet
1
2
3
1 High voltage wire hole
2 Low voltage wire hole
3 High voltage wire hole
4 High voltage wire hole
5 Drainage pipe hole
6 Low voltage wire hole
7 Low voltage wire hole(backup)
8 Low voltage wire hole(backup)
9 Water inlet
10 water outlet
1
2
3
4
5
6
7
8
9
1-phase 5/7 kW
1-phase 10~16kW
3-phase 12~16kW
10
5
4
Summary of Contents for RVL-I PLUS
Page 31: ...31 SETUP OF THE SYSTEM...
Page 32: ...32 SETUP OF THE SYSTEM...
Page 33: ...33 SETUP OF THE SYSTEM...
Page 34: ...34 SETUP OF THE SYSTEM FOR SEVICEMAN menu english language...
Page 35: ...35 SETUP OF THE SYSTEM...
Page 36: ...36 SETUP OF THE SYSTEM...
Page 37: ...37 SETUP OF THE SYSTEM...
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