UNT Controller—Unitary (UNT) Controller
83
d. Attach the female terminal with two wires to the TRIACS terminal.
e. Attach the female terminal with one wire to the common terminal
immediately adjacent to the TRIACS terminal.
Note: The MOV assembly will be factory installed on UNT220-1
controllers mounted in York rooftop units beginning
March 16, 1998.
The MOV assembly will not be factory installed on
UNT120-1 controllers.
•
For units meeting both conditions, install transient voltage
protectors in both locations as described above.
Attach
field wire
here.
workaround
MOV
Common
Tr i a c s
Figure 38: Installation of MOV
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