Thermcraft XST-3-0-36-3V - Manual (Page 35)

Installation and Operation Handbook Installation
2408 and 2404 Controller 1-5
ELECTRICAL INSTALLATION
This section consists of five topics:
• Rear terminal layouts
• Fixed connections
• Plug-in module connections
• Typical wiring diagrams
• Motorised valve connections.
WARNING
You must ensure that the controller is correctly configured for your application.
Incorrect configuration could result in damage to the process being controlled, and/or
personal injury. It is your responsibility, as the installer, to ensure that the configuration
is correct. The controller may either have been configured when ordered, or may need
configuring now. See Chapter 6, Configuration.
Model 2408 rear terminal layout
Figure 1-5 Rear terminal layout − Model 2408
* The ground connection is provided as a return for internal EMC filters. It is not required
for safety purposes, but must be connected in order to satisfy EMC requirements.
N
L
V+
VI
V-
Line
Neutral
Ground *
2D
2B
2A
2C
3D
3B
3A
3C
1D
1B
1A
1C
M
O
D
U
L
E
1
M
O
D
U
L
E
3
M
O
D
U
L
E
2
JF
JD
JE
C
O
M
M
S
2
Common
Input 1
Input 2
85 to 264Vac
LC
LA
LB
AC
AA
AB
Alarm
relay
HF
HD
HE
C
O
M
M
S
1
HB
HA
HC
JB
JA
JC
+
−
+
PV
−
RTD/Pt100
T/C
Note: The plug-in sleeve supplied with
high voltage controllers are keyed to
prevent a low voltage unit being inserted
into them.
20 − 29Vac/dc
Ground *
24
24
Low voltage supply