PC-502 Module Product Guide
Rev. 1.6 Date 3/17/2017
5
PC-502 Dimensions Input/Output
H1 (In System Programming)
Pin
Function
Type
Max
1-8 Programming
-
-
-
H2 (System 5)
Pin
Function
Type
Max
1-GND
Common
-
-
2012VDC
Input Voltage
In
11.75/12.25
3-S5bus
Multi Drop
In/Out
-
4
InOut 1
TTL
In/Out
-
5-InOut2
TTL
In/Out
-
H3 / H4 (S5bus In/Out)
Pin
Function
Type
Max
1-GND
Common
-
-
2012VDC
Input Voltage
In
11.75/12.25
3-S5bus
Multi Drop
In/Out
-
4
Binding
The PC-502 uses reverse binding to acquire the information necessary to
participate in a network application. The device must signal that it’s
prepared to accept the networking information from the thermostat.
Binding with e528.4G
1
. Enter the Service Mode on the e4 thermostat
a.
Press and hold the °F/°C button
b.
Press and release the OFF/AUTO button
c.
Press and release the DISPLAY button
d.
Release the °F/°C button)
44mm
Figure 1 PC-502 Front
Figure 2 PC-502 Back
H2 System-5 H3 S5-bus H4 S5-bus