Electrical
27
6. Re-fit terminal block cover on
control box and fasten with the two
screws previously removed.
7. Hinge the control panel back into
position on the two retaining
screws. Replace top casing panels.
8. Re-connect the electricity supply
and check the operation of the
programmable room thermostat.
Refer to the Fitting and User
instructions supplied with the
programmable room thermostat for
operating and setting.
Leave the Programmable Room
Thermostat Fitting and User
instructions with the user after
installation.
Connection of a Grant
Programmable Room thermostat
(RSKIT)
Connect the programmable room
thermostat as follows:
1. Remove front and top boiler casing
panels. Loosen (do not remove) the
four screws securing control panel
to the side panels.
2. Hinge the panel forward to access
top and rear of control panel.
3. Remove the two screws and lift off
the terminal block cover from top of
control panel.
4. Remove the Orange room
thermostat link wire from terminals
25 & 26 on the connection block
and connect the two wires from the
programmable room thermostat.
5. Refer to Figure 8-6 for the
thermostat connection details.
Figure 8-6: Connections for the Grant Programmable Room Thermostat (RSKIT)
123 456 789 101112 13141516 1718 212219 20 23 24 27 2825 26
ENL
N
NL 3
NLON
ABC
L
Grant Programmable
Room Thermostat
Ref. RSKIT
Frost Thermostat
(if required)
e.g. Danfoss Randall
RET230F
EL
Mains
Ext. Frost Stat
Red
Black
Ext. Frost Stat
Room Stat
Room Stat
Timer Neutral
Timer Live
DHW Timed On
CH Timed On
230V 5A Fused
Supply
HTG
OFF
HTG
ON
Boiler Control Panel - PCB Connections
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