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Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF
0844 879 3587
dimplex.co.uk | gdcgroup.co.uk
50
6.7 Schematics 9, 10, 11, 12 : Bivalent space heating
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
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*
6mm²
6mm²
6mm²
Mains Supply:
Single Phase
230-240V
50Hz
Mains Supply:
Single Phase
230-240V
50Hz
Refer to
Appendices for
detailed wiring of
Wiring centre
Alternatives:
- NTC10
- Mechanical Thermostat
if UI Controller NOT used
[
]
Zone 1
Room Thermostat
Back Up
Heater
E
N
L
L
N
E
See examples 1 or 2 for
by-pass options
Expansion
Valve
Depending on system volume
For details of different types
of zone set up (with / without
circulating pump), see
example schematics
*Isolation switch may be 20Amp for 8kW heat pumps or 40
Amp for 12-16kW heat pumps.
20Amp
Isolation Switch
NOTE: Fill & Flush connections are not supplied
by Dimplex and must be sourced separately.
Signal
BUFFER
UI Controller
ZONE 2
ZONE 3
ZONE 4
ZONE 1
10300110
10300210
10300310
10300410
SINGLE ZONE
TWO ZONES
THREE ZONES
FOUR ZONES
Boiler
Heat Pump
9
10
11
12
By-Pass
Drain to Soak Away
SCHEMATIC
DESCRIPTION
RELAY CONNECTIONS
RELAY 3 FOR ZONE 1
RELAY 4 FOR ZONE 2
RELAY 5 FOR ZONE 3
RELAY 6 FOR ZONE 4
ON WIRING CENTRE
NO. ON UI
Fill & Flush Connections
Isolating Valve
Isolating Valve with Filter & NRV
Expansion Vessel
Safety Valve Combination
Immersion heater
Air Vent
Drain Off Valve
Non-return Valve
Pump
Room Thermostat
Drain
Flow
Return Flow
Electrical Connections
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