THERMAflow Ltd | THERMAFLOW® ELECTRIC COMBINATION BOILER |
Tel: 0870 850 5207
18
2.6.2b OFF-PEAK & 24 HR WIRING CIRCUITS
E
E
N
N
L
100A
ISOLATOR
6A
MCB
E1
16A
E2
16A
E3
16A
E4
16A
A1
1
E4
E3
E2
E1
~240VAC
SUPPLY
HEATING ELEMENTS
E3 not used on 9KW
models
N
1
2
4
3
13
5
11
16
14
12
15
10
9
8
7
6
17
C
N/C
N/O
C
L
N/C
C
N/C
C
2
1
HWP
C
N/O
CHP
C
3
4
C
C
2
2
1
1
C
IF E10
– Supply to
controls comes from
6A MCB in top control
box
IF Scottish Power
E2000 tariff
–
External 3AMP 24hr
supply must be
taken to supply
controls as shown
NO NEUTRAL OR
EARTHS SHOWN FOR
CLARITY
Requires ~240v
– 3AMP
Supply when using
Scottish Power Domestic &
Economy 2000 tariff
LINK REMOVED
if E2000 Tariff
LOW PRESSURE SWITCH
1stD
STAGE HIGH LIMIT CUT
OUT MANUAL RESET
2nd
STAGE HIGH LIMIT CUT
OUT MANUAL RESET
TAMPER PROOF CONTROL
THERMOSTAT SET TO 25°C
REMOVE
LINKS
AND FIT OFF PEAK CONTROL IF
E10 OR EXTERNAL PRIMARY HEAT SOURCES ARE
BEING LINKED TO THERMAFLOW BOILER
Programmable
Room
Thermostat
Ie. Danfoss
TP5000si or
equivalent
CONTROLS
ONLY
.
A
B
A1
A1
A2
14
11
A2
11
14
18
NEUTRAL SHOWN AS
DOTTED & SOLID
LINE
SHOWS TWO
SEPARATE CIRCUITS
CONTROL STAT ON
E1 & E4
A2
2
A2
A1
4
4
1
3
2
A1
A2
3
1
2
