Make connections
Note:
Connections shown for mains operated 3x heating zone + 1x water heating system.
These may vary for di erent boiler types.
E
N
L
Mains supply
N
L
1
2
3
4
5
6
Receiver back plate
N
L
Boiler
*
Zone 1
valve
Zone 2
valve
Zone 3
valve
Zone 4
valve
ON
ON
ON ON
Call
Call
Call
Call
C
Cylinder
stat
A3
3 zone heating and hot water system
This diagram is schematic and should be used for guidance only.
*Note :
The receiver has voltage free contacts. A
link between terminal L, 2 and 4 is required for
mains voltage applications
.
18
Summary of Contents for H3747
Page 1: ...Smart Programmable Thermostat H3747 Installation and commissioning guide...
Page 12: ...A1 1 2 Install the receiver 12 3 X X Fascia plate Mark out the position...
Page 13: ...13 Drill the holes and secure the mounting plate A2 X X 1 M3 5 AB type screws 2...
Page 20: ...Fit the receiver A4 1 2 a b 20...
Page 24: ...Fit the PTD B2 X X 1 2 M3 5 AB type screws 3 Click a b 24...
Page 28: ...Home Away Communication established PTD after establishing communication with the receiver 28...
Page 34: ...Notes 35...
