Grant Combi 26e User Manual

22
Connection of an external remote
timer and room thermostat
Any remote timer must be of a single
channel 230 V type with voltage free
output contacts.
Connect the switched live output from
the programmer/room thermostat to
terminal L1 of the boiler isolation plug.
Fit a link between terminals L2 and L3
in the isolation plug. Refer to Figure
8-2.
Connect the mains supply to the boiler
isolation plug as follows (refer to Figure
8-2):
• PermanentlivetoterminalL3.
• NeutraltoterminalN.
• Earthtoearthterminal.
Re-connect the electrical supply and
check the operation of the timer and
room thermostat.
Refer to the Fitting & User instructions
provided for with the timer for operating
and setting.
Leave the Timer and Thermostat Fitting
& User instructions with the user after
installation.
Connection of a Grant
Programmable Room Thermostat
(RSKIT)
Full Installation and User instructions are
provided with the Grant Programmable
Room thermostat.
Connect the programmable room
thermostat as follows:
Connect the switched live output
from terminal C of the programmable
room thermostat to terminal L1 of the
boiler isolation plug. Fit a link between
terminals L2 and L3 in the isolation plug
Refer to Figure 8-3.
Connect the mains supply to the boiler
isolation plug as follows (refer to Figure
8-3):
• PermanentlivetoterminalL3.
• NeutraltoterminalN.
• Earthtoearthterminal.
Re-connect the electrical supply
and check the operation of the
programmable room thermostat.
Refer to the Fitting & User instructions
provided for with the programmable
room thermostat for operating and
setting.
Leave the Programmable Room
Thermostat Installation and User
Instructions with the user when
installation is completed.
!
WARNING
8 Electrical
L1 L2 L3N
CH
A B C
Off On
N LE
HW E LN
Boiler isolation plug
Grant RS programmable
room thermostat
230V 5A Fused
mains supply
Figure 8-3: Connections for the Grant Programmable Room thermostat (RSKIT)
Figure 8-2: Connections for remote timer and room thermostat
L1 L2 L3N
CH
4 1 2
1 2 4 N L
M
N L E
HW E LN
Boiler isolation plug
Room thermostat
e.g. Danfoss Randall RMT 230
Remote mounted time switch
e.g. Danfoss Randall TS 715
230V 5A Fused
mains supply

Grant Combi 26e Specifications

General

Boiler Type	Combi
Output	26 kW
Fuel Type	Natural Gas
Efficiency	90%
Mounting	Wall-mounted