Page 33 of 33
TVP Manual (full) March 2007 CE rev 03.doc
Dual coil systems
Caution
The system updates the I/O @ 70 milliseconds, if cool is removed before defrost is
applied the system will go into STANDBY momentarily. This can cause a problem for
some slow to update systems.
1) Full interface
This shows the complete I/O for the two coil TVP.
The control inputs are exactly the same as above but with two additional inputs for
COOL 2 and DEFROST 2.
The digital outputs are shown with either a customer supplied power supply, the
internal 24 VAC (fused 2A) or the outputs can be connected to system Ground for
customer systems with open collector inputs.
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