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Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF
0844 879 3587
dimplex.co.uk | gdcgroup.co.uk
51
6.8 Schematics 13, 14, 15, 16 - Bivalent zone space heating + DHW
DHW Immersion
DHW NTC
Zone 1
Room Thermostat
Alternatives:
- NTC10
- Mechanical Thermostat
if UI Controller NOT used
[
]
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
Back Up
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
40Amp
Isolation Switch
6mm²
6mm²
6mm²
Mains Supply:
Single Phase
230-240V
50Hz
Mains Supply:
Single Phase
230-240V
50Hz
Heater
20Amp
Isolatio
n
Switch
E
N
L
L
N
E
See example 1 or 2 for by-pass options
*Isolation switch may be 20Amp
for 8kW heat pumps or 40 Amp for
12-16kW heat pumps.
For details of different types
of zone set up (with / without
circulating pump), see
example schematics
NOTE: Fill & Flush connections are not supplied
by Dimplex and must be sourced separately.
Signal
Expansion Vessel
Depending on
T
Mains Cold Feed
T
Normally Open
Heat Pump
UI Controller
to Heating
Boiler
ZONE 2 ZONE 3
ZONE 4
ZONE 1
system volume
10310190
SINGLE ZONE
TWO ZONES
THREE ZONES
FOUR ZONES
10310290
10310390
10310490
A
B
AB
By-Pass
13
14
15
16
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
BUFFER
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
3 Port Valve
Pump
Room Thermostat
Drain
Flow
Return Flow
Electrical Connections
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