Graco Therm-O-Flow 200 Instructions - Parts Manual page 26

Setup
NOTE: Each connector has four signals. The MZLP
board specifies the input range for each signal. See the
following table for pin assignments.
F . 14
IG
H1 Customer Input
Signal
1
2
3
4
H2 Customer Output
Signal
1
2
3
4
Inputs: High: 10–30 VDC, Low: 0–5 VDC. Inputs func-
tion without concern for polarity. Applying "high" voltage
will turn the heaters on and enable setback. Removing
voltage will turn the heaters off and disable setback.
Outputs: 0–250 VAC, 0–30 VDC, 2A Maximum.
26
Pin
1,2
3,4
5,6
7,8
Pin
1,2
3,4
5,6
7,8
334130L