IM-P661-02-US
TES Issue 2
9
3.4 Electrical specifications
Electrical supply: Refer to the name-plate on the unit
Control panel supply voltage
115 Vac/60 Hz
230 Vac/50 Hz
Control panel load requirements
Internally fused at 5 amps
Electrical control actuator (output)
24 Vac
4 - 20 mA control
Pneumatic control actuator
-
4 - 20 mA control
High limit isolation valve (output)
24 Vac
PT100 temperature sensors
3 wire
3.5 Electrical connections
The following are available for customer connection to the Spirax SpiraHeat
TM
system if required:
Volt free contacts
Terminal designation
Description
Type
X4
External temperature/pressure limits
1 x N/C contact
X5
External temperature/pressure limits
1 x N/C contact
X6
External temperature/pressure limits
1 x N/C contact
X7
External temperature/pressure limits
1 x N/C contact
LIMIT SWITCHES' CONNECTIONS
IF FITTED REMOVE THE LINKS/BRIDGES
Fig. 5
Summary of Contents for SpiraHeat
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