Single & Dual Zone Heat Trace Control Panel | Valin Corporation
INSTALLATION
• Torque value 4.5 lb-In (0.5 Nm)
• Use copper conductors only, 300V min, 75˚C min
• May be Class 1 or Class 2 control circuit. Use Class 1 conductors for Class 1 circuits. Use Class 2 conductors
for Class 2 circuits.
• Wire strip length 7.5mm
• 30-14 AWG
• Contact rating: 250mA @ 24VDC
• Max voltage supply: 30VDC
FIG. 2-10 ALARM TERMINATIONS
WARNING!
(-ALARM) terminals for circuit 1 and circuit 2 are internally connected.
Ensure that the polarity is the same on (-ALARM) terminal on both boards to avoid short circuit. See
Figures 2-12 and 2-13 for proper wiring.
Alarm Wiring (Figure 2-10)
15
Internal
Wiring