31
Installation and Servicing
Section 2 - Installation
INST
ALLA
TION
2.26 INSTALLER WIRING - CONT
Note. If an outside sensor is connected then;
•
HW OFF to SL2 IN
w
g
o
g/y
b
BOILER
L
N
MAINS IN
L
N
E
PUMP
L
N
E
CH
ON
R/S
ON
R/S
C/S
HW
ON
HW
OFF
C/S
ON
FUSED
SPUR
TIMER
CH ON
L
N
HW ON
HW OFF
Y PLAN
VALVE
SL 1
IN OUT
LOGIC HEAT
2
H BOILER WITH Y PLAN SYSTEM
br
br
o
g/y
b
b
g/y
g
g
L
N
E
L
N
E
CH
ON
R/S
ON
HW
ON
HW
OFF
C/S
ON
FUSED
SPUR
TIMER
CH ON
L
N
HW ON
HW
S PLAN
VALVE
CH
S PLAN
VALVE
R/S
C/S
o
PUMP
BOILER
L
N
MAINS IN
SL 1
IN OUT
LOGIC HEAT
2
H BOILER WITH S PLAN SYSTEM
2.27 PUMP OVERRUN - INSTALL
1.
Isolate the power.
2.
Mount the flanged box near to the wiring centre.
3.
In the wiring centre, disconnect the Pump Live and move
it to a spare terminal.
4.
Connect the pump overrun box leads as follows:
- BLACK - to the terminal that you have just removed
the pump live from.
- RED - to the Pump Live spare terminal.
- BROWN - to supply live.
- BLUE - to supply neutral.
5.
Power up and test.
The pump overrun time is set to 4 minutes.
PUMP LIVE
PUMP LIVE SPARE
LIVE
NEUTRAL
b
r
bk
br
Pump Overrun Unit
Refer to Section
2.25
Содержание LOGIC HEAT2 H12
Страница 56: ...56 Installation and Servicing Section 6 Benchmark to Commissioning ...
Страница 62: ...62 Notes Installation and Servicing ...
Страница 63: ...63 Notes Installation and Servicing ...