Wunda E09 - Section A: Typical wiring scheme for single zone UHF system with a System Boiler

4
7
This drawing is for
guidance only.
All installations
should be undertaken
by a
qualified person only.
Wiring Key
Orange
Grey
Brown
B
O
G
L N E
230V
50Hz
Some Earths & Neutrals
omitted for clarity
1 2 3 4 5 6 7 8 9 10
Boiler
Radiators
Room Stat
L N L1
M
B
O
G
M
O
G
Underfloor
Heating pump
E
L
N
N L
HT
on
HWS
on
Time Clock 00:00
Hot water
Cylinder Stat
1 C
Radiators
Zone Valve
M
G
UFH
Zone Valve
O
B
Circulating
Pump
Omitted for
clarity
L N
SL
B
Hot Water
Zone Valve
L N L1
This drawing is for
guidance only.
All installations
should be undertaken
by a
qualified person only.
Wiring Key
Orange
Grey
Brown
B
O
G
L N E
230V
50Hz
Some Earths & Neutrals
omitted for clarity
1 2 3 4 5 6 7 8 9 10
Boiler
Radiators
Room Stat
L N L1
M
B
O
G
M
O
G
Wundafloor wiring centre used with
multiple Programmable thermostats on
UFH system.
Underfloor
Heating pump
E
L
N
N L
HT
on
HWS
on
Time Clock 00:00
Hot water
Cylinder Stat
1 C
Radiators
Zone Valve
M
G
UFH
Zone Valve
O
B
Circulating
Pump
Omitted for
clarity
Switch
Relay
Pump
Relay
L N
SL
B
Hot Water
Zone Valve
230v
Input
Wundafloor Programmable
Thermostat
*
*Thermostat may be
powered from a seperated
(localised) fused spur.
**Standard dial thermostats
may be power from a time
clock.
**
2A Typical wiring scheme for multi zone UFH system with a System Boiler
3A Typical wiring scheme for single zone UFH system with a System Boiler
S-Plan
Wiring centre
S-Plan
Wiring centre
Section A 3A : Typical wiring scheme for single zone UHF system with a System Boiler
This drawing is for guidance only.
All installations should be undertaken
by a qualified person only.
E09
Installation guide - wiring & plumbing
✆ 0800 5420 816 www.wundaoorheating.co.uk
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