28
27
TouchScreen
Series
Model
: PRT-TS / PRT-NTS
Wiring Diagram - PRT-NTS to UH1
Connecting PRT-NTS to the UH1
The UH1 allows connection of up to eight
12 volt network thermostats.
When connecting network thermostats to the
UH1 use CAT5-FTP or BELDEN 9538.
Connect the screen to Earth at the UH1.
UH1
ZONE X
ZONE X
A2
A1
B
Y
_
+
A2
A1
B
Y
_
+
PRT-NTS
Y
B
A2
A1
-
+
12VDC
Network
RT1
RT2
PRT-NTS
Y
B
A2
A1
-
+
12VDC
Network
RT1
RT2
A2
B2
NO NC C
NO NC C
N E
L
230V SUPPLY IN
COMMS
CABLE
Volt Free Output
POWERED RELAY CARD
+
_
For 230V switched live output, link mains L to C
12V
Recommendations
Max Cable Size - 1.5MM
Back Box Depth - 35MM
Max Load - 3 Amps
Wiring Diagram
PRT-NTS to PRC Voltfree Switching
