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Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF
0844 879 3587
dimplex.co.uk | gdcgroup.co.uk
49
6.6
Schematics 5, 6, 7, 8 : Zone space h DHW
A1
A1
A1
A2
A2
10A
RELAY
10A
RELAY
20A
RELAY
20A
RELAY
4A fuse
4A fuse
2A fuse
A2
NTC-Zone4
NTC-Zone3
NTC-Zone2
NTC-Zone1
NTC-DHW
DI 01
DI 03
DI 04
DI 05
N
N
N
E
E
E
DI 02
E
E
N
N
B'
A'
Common
B
A
0Volt Comm
+12V
+230V Comm
+230V Comm
Relay-8
Relay-7
Relay-6
Relay-5
Relay-4
Relay-3
Relay-2
Relay-1
EARTH
NEUTRAL
LIVE
MAINS
POWER
Modbus
Status
MODBUS
SD
System
Status
Refer to Appendices for detailed wiring of Wiring centre
Mains Supply
:
Single Phase 230-240V 50Hz
Mains Supply: Single Phase 230-240V 50Hz
DHW Immersion
DHW NTC
Back Up Heate
r
Alternatives: - NTC10 - Mechanical
Thermostat
if UI Controller NO
T
used
[
]
Zone
1
Room
Thermostat
User Interface or
NTC10 or
Mechanical
T'stat
User Interface or
NTC10 or
Mechanical
T'stat
User Interface or
NTC10 or
Mechanical
T'stat
Max. 1 Meter
Isolation Switch*
6mm
²
6mm
²
6mm
²
E N
L
L N
E
For details of di
fferent types
of zone set up (with / without circulating pump), see
example schematics
See example 1 or 2 for by-pass option
s
*Isolation switch may be 20Amp for 8kW heat pumps or 40 Amp for 12-16kW heat pumps
.
NOTE: Fill & Flush connections are not supplied by Dimplex and must be sourced separately
.
Signal
20Amp Isolation Switc
h
T
T
Normally Open
ZONE
2
ZONE
3
ZONE
4
ZONE
1
10220190
10220290
10220390
10220490
SINGLE ZON
E
TWO ZONES
THREE ZONES
FOUR ZONES
Mains Cold Feed
Expansion
Ve
ssel
Depending on system volume
UI Controller
Heat Pump
to Heating
A
B
AB
By-Pass
5
6
7
8
BUFFER
SCHEMA
TIC
DESCRIPTION
RELA
Y
CONNECTIONS
RELA
Y
3 FOR ZONE
1
RELA
Y
4 FOR ZONE
2
RELA
Y
5 FOR ZONE
3
REL
AY
6 FOR ZONE
4
ON WIRING CENTRE
Drain to Soak
Aw
ay
NO. ON UI
Fill & Flush Connection
s
Isolating V
alv
e
Isolating V
alve with Filter & NR
V
Expansion
Ve
ssel
Safety
Va
lve Combination
Immersion heater
Air
Ve
nt
Drain Of
f V
alv
e
3 Port V
alv
e
Pum
p
Room Thermostat
Drain
Flow
Retu
rn
Flow
Electrical Connection
s