Honeywell temaline TK C21P Installation Manual page 14

Figure 6: Connecting to inductive loads with an external isolated power
Note for inductive loads
• In this case is mandatory use the 1N4004 diodes as in figure.
Four (4) Diodes are included in the product
• The external power supply have to be isolated
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J4 J5
J3 J2
J5 J2
supply
DC OUT
10-30VDC
AC IN
Isolated
Power supply
J4 J3
J1
JP2
JP3
SW1
SW1
LED1
INSTALLATION