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BOILER INSTALLATION SEQUENCE
Connection details for time switch
ACL Drayton
Tempus 1, Tempus 2
Lyfestyle LP111, LP711
ACL Drayton
Switchmaster
SM300
ACL Drayton
Switchmaster 980
Danfoss Randall
103 Series
Danfoss Randall
Set 1E, TS975
Danfoss Randall
TS715
Grässlin Towerchron
QE1, QM1
Honeywell
ST610A, ST6100C
Horstmann
Channel Plus
H11, H17, 425 Coronet
Horstmann
Centaur Plus
C11, C17
Landis & Staefa
RWB7, RWB30
Potterton Myson
EP 4002, EP 5002
Smiths Timeguard
SupplyMASTER
FST11, FST17
Sunvic
Select 107
Fig. I.13
20 VDC, DO NOT USE IN UK!
MAINS
SUPPLY
N
230 V
L
3 A FUSE
50 Hz
Fig. I.14
28
L
N
1
2
L
N
3
L
N
1
2
L
N
4
L
N
1
2
L
N
4
1
2
3
6
4
3
L
L
N
E
1
L
N
E
L
N
1
2
L
N
3
L
N
1
2
L
N
L
N
1
2
L
N
3
L
N
E
1
L
N
E
L
N
E
1
L
N
E
L
N
1
2
L
N
3
N
A
B
C
1
2
3
4
4
3
2/L 1/N
L
N
1
2
L
N
3
7
8
9
L N
4 5
3
SWITCH
CONTACTS
L
CLOCK
N
3
4
4
3
4
3
A
B
C
3
4
3
5
E
N
E
2
3
4
5
6
4
3
3
4
4
3
4
3
4
3
4
4
2
3
4
5
6
4
3
2
3
4
3
4
3
4
4
D
L
N
1
2
3
4
5
L
N
4
3
6
5
E
mains supply
L
N
E
3
4
4
ROOM
THERMOSTAT
N
For optimum fuel economy it is
recommended that where TRV's are
used they are used in conjunction
with a programmable room
thermostat or separate timer and
room thermostat to ensure complete
boiler shut down when the heating
demand is satisfied. (The radiator in
the room containing the room
thermostat should not be fitted with a
TRV).
Frost protection
The boiler has an integral frost
thermostat which is designed for
protection of the boiler.
To protect remote or exposed parts of
the heating system or property
additional frost protection measures
must be taken such as the installation
of an external frost thermostat. This
frost thermostat should be connected
across the boiler terminals 3 and 4,
in parallel with any external heating
controls.
Circulating pump
The boiler incorporates a built in
circulating pump that is fully prewired
(no additional wiring is necessary).
The pump incorporates an automatic
overrun period after the boiler
switches off.
Anti-cycling 'economiser' control
E
The boiler incorporates a built in
E
anti-cycling control to ensure that
energy wasteful short cycling of the
boiler cannot occur. This control
prevents the boiler from re-igniting for
a preset period of 5 minutes after
central heating operation (the hot
water operation is unaffected by this
control and hot water can be drawn
at any time).
Note: To temporarily override the
anti-cycling control turn the main
boiler on/off switch to the off
position „0" and then back to the on
position „I" after a few seconds.
Automatic pump spin control
(APS)
The boiler incorporates a built in
control which will spin the built in
circulating pump and operate the
diverter valve once in a 24 hour
period. This control helps to prevent
seizure when the boiler is not
operated for a period of time. This
control is not active when the power
supply to the appliance is turned off.
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