COM
ON
ON
COM
ON
N
L
N
P1 P2
P3
P4 P5
L
230V 50Hz
Mains
Supply
Neutral
(Blue or
Black)
P3 ON =
Normally
Open
Contact
–
Switch
Live for
Heating
Zone 2
P1 ON =
Normally
Open
Contact
–
Switch
Live for
Heating
Zone 1
P2 COM =
Voltage
Free
Common
P4 ON =
Normally
Open
Contact
–
Switch
Live for
Hot
Water
P5 COM =
Voltage
Free
Common
ON
P6
P6 ON =
Normally
Open
Contact
–
Switch
Live for
Hot
Water
230V 50Hz
Mains
Supply
Live
(Brown
or Red)
5
6. Connection Diagram
Connect the 230V 50Hz mains supply and load cables to the terminal block
which are marked as follows;
• Note: Check boiler instructions before connecting.
Summary of Contents for TRT039N
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