8 Electrical
30
Electrical
1. Pass a 4-core cable (or 4-core and
earth if the timer to be used has an
earth connection) through the cable
clamp on the control panel.
2. Remove the Red link wire from
terminals 17 & 18 and the Black link
wire from terminals 19 & 20 on the
connection block. Connect the two
wires from the programmer to
terminals 17 & 19.
Refer to Figure 8-9.
2. Connect the live, neutral (and earth
if required) from the programmer to
terminals 3, 2 & 1 respectively on
the boiler terminal block. Refer to
Figure Figure 8-9 for further details.
4. After making the electrical
connections to the boiler, re-tighten
the cable clamps.
5. Re-fit terminal block cover on
control box and fasten with the two
screws previously removed.
6. Hinge the control panel back into
position on the two retaining
screws. Replace top casing panels.
7. Re-connect electrical supply and
check operation of the programmer
and room thermostat.
Refer to the Fitting and User
Instructions supplied with the
programmer for operating and
setting.
Leave the Programmer and Room
Thermostat Fitting & User
instructions with the user after
installation.
Connection of a remote two-
channel programmer (for example
Grant ESKIT) and room thermostat
Pass a 3-core cable (or 3-core and
earth if the room thermostat to be used
has an earth connection) through the
cable clamp on the control panel.
Remove the Orange room thermostat
link wire from terminals 25 & 26 on the
connection block and connect the wires
from the room thermostat. Refer to
Figure 8-9 for further details.
Connect the room thermostat to the
terminal block in accordance with the
room thermostat manufacturer’s
instructions.
Connect the remote programmer as
follows:
Any remote two-channel programmer
must be suitable for 230 V and
internally linked - for example, Grant
Type ESKIT programmer.
!
NOTE
123 456 789 101112 13141516 1718 212219 20 23 24 27 2825 26
ENL
N
NL3
NLON
412
N COM ON
12NL 34
Remote mounted Programmer
eg Grant Programmer Ref. ESKIT
Room Thermostat
e.g. Danfoss Randall
RMT230
Frost Thermostat
(if required)
e.g. Danfoss Randall
RET230F
HTG
OFF
DHW
OFF
DHW
ON
HTG
ON
EL
Mains
Ext. Frost Stat
Ext. Frost Stat
Room Stat
Room Stat
Timer Neutral
Timer Live
DHW Timed On
CH Timed On
230V 5A Fused
Supply
Figure 8-9: Connections for the remote Grant 2-channel Programmer (ESKIT) and room thermostat
Boiler Control Panel - PCB Connections
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