Installing the MTC-4C
Phason
4
2009-09-10
Extending probe cables
You can extend temperature probe cables to lengths of up to 500 feet. Follow the guidelines below
and below when extending cables.
Use two-wire 18 AWG jacketed cable. Phason recommends Belden # 9408, Alpha # 5052, or an
equivalent. Extension cable is also available from Phason. For more information, contact your
dealer or Phason.
Join the extension cable to the temperature probe cable as shown on the next page.
If the unit operates erratically with the extended probe, run the cable along a different path or
shorten it.
C
A
A
C
E
D
F
A
Slide three pieces of heat shrink tubing over the wires: one for the red wire, one for the black
wire, and one for both.
B
Strip the ends of the wires and then twist them together.
C
Solder the wires together using rosin-core flux solder—DO NOT use acid core solder.
D
Slide the heat shrink tubing over the solder joints.
E
Shrink the tubing using a heat gun.
F
Your connection should look like this.
