Filling looP
Connect the filling loop. Open both valves. Do not allow the
unit to exceed 1 bar while filling and a maximum of 2 bar
when the radiators are at full operating temperature. The
automatic air vent will allow air to dispel from the boiler. To
remove air from the storage tank, the manual air vent must
be operated. When the system is full, turn off both valves
and disconnect the filling loop.
ConneCting liQuiD Fuel suPPly
Using the flexible hose provided, connect the burner to
the incoming oil line which must have a remote acting fire
valve. the flexible hose must be contained within the
appliance casing.
4
4.2 sliMline CoMBi - installeR guiDelines
tHeRMostat teMPeRatuRe ContRol
Boiler Central Heating Control:
60˚C - 80˚C
Boiler Safety Limit:
110˚C
Tank (DHW) - Fixed:
78˚C
Early Alert - Fixed
87˚C
Over-run - Fixed:
93˚C”
WiRing
electrical supply
the boiler and controls require a 230v 50Hz mains
electric supply protected with a 5a fuse.
this appliance must be earthed.
A qualified electrician must carry out all electric wiring in
accordance with current ETCI / IET Regulations and any local
regulations which may apply.
The boiler must have a permanent power supply to enable
overrun and frost protection. The hot water and central
heating should be timed separately.
Power to burner
L1 = Switch live
Permanent live
Earth
Neutral
Hot water timer
switch live
Heating timer
switch live
Room stat
Please note that a permanent live connection is required to enable the pump over run and frost protection.
It is also required to operate the post-purge function on the burner, when applicable.
If a permanent live supply is not provided the burner will not operate.
High limit thermostat sensor A
Boiler thermistor
probe B
Limit thermostat 110
°
C
From condensing pump
C.H. Circulating pump
Black heat resistant cable
Flow switch
thermistor probe D
Tank thermistor
probe C
Tank
Flow
Limi
t
Lock ou
t
Green D.H.
W
Green C.
H
Boiler
From pressure switch
D.H.W. Circulating pump
White heat resistant cable
To connecting Firebird twin timer kit
L3 = Permanent live
24
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