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E528.4G Headers and Connectors
Low-voltage Connections Table
(P/N 62-1467) Pinout
Wire
Female
Male
Color
Connector
Connector
Brown
1
1
Red
2
2
Orange
3
3
Yellow
4
4
Green
5
5
Blue
6
6
Line Voltage Connection Tables
24VAC Harness (INNCOM P/N 62-1464 R) Color Code, Pinout,
and Typical Functions
Pin
Color
1
Green
Ground
2
Red
24VAC
3
Black
Common
4
Blue
High Fan
5
Brown
Medium Fan or Second Stage Heat
6
Yellow
Cold Water Valve (FCU) or Compressor
Signal (Heat Pump)
7
White
Hot Water Valve (FCU) or Reversing Valve
(Heat Pump)
8
Grey
Valve Power
9
Violet
Fan Power
10
Orange
Low Fan
100-277VAC Harness (INNCOM P/N 62-1455) Color Code,
Pinout, and Typical Functions
Pin
Color
1
Green
Ground
2
Black
Line
3
White
Neutral
4
Yellow
High Fan
5
Orange
Medium Fan or Second Stage Heat
6
Red
Cold Water Valve (FCU) or Compressor Signal
(Heat Pump)
7
Brown
Hot Water Valve (FCU) or Reversing Valve
(Heat Pump)
8
Grey
Valve Power
9
Violet
Fan Power
10
Blue
Low Fan
E528.4G Retrofit
Installation
The e528.4G can be used to retrofit an
application where a legacy e528 was
used. Follow the procedure below:
4G to 2G Standalone application:
with/without door switch input (no
backhaul network)
Function
Comment
Common
12VDC Out/In 12VDC Supply
S5 Bus Data
Door,
Tx/Rx or IN 2
Window, PIR,
Other
IN 1
Door,
Window, PIR,
Other
NC
NC
Typical Function
Typical Function
•
Using the adapter (P/N 203-013) connect the harness from
the wall box (P/N 62-1462) previously connected to the
thermostat being replaced to H1 of the adapter.
•
Connect the harness of 203-013 to H7 on e528.4G
4G to 2G RS485 Networked Application: with or without door
switch input
Using the adapter (P/N 203-251) connect the harness from
•
the wall box (P/N 62-1462) previously connected to the
thermostat being replaced) to H1 of the adapter.
Connect the harness H3 (rainbow) of 203-251 to H7 of the
•
e528.4G
•
Connect the harness H2 (Black) of 203-251 to H5 of the e528.4G
NOTE: Take care to not reverse the connections to the e528.4G!
Figure 5 4G to 2G RS485 Networked Application
E528 New Installation
Stand alone application with/without door switch input
•
Using the harness (P/N 62-1467), make the appropriate wire
connections, then plug the harness into H7 of the e528. Refer
to low-voltage connections diagram.
RS485 Networked Application with/without door switch input
•
Using the harness (P/N 62-
1467), make the appropriate
wire connections, then plug
the harness into H7 of the
e528. Refer to low-voltage
connections diagram.
Using the adapter (P/N 203-
•
250) and P/N 62-1532-B.12
cables, connect the RS485 in-
coming pair to two pin
header H1 and the out-going
pair going to the next
thermostat to header H3.
•
Connect the harness of 203-
250 to H5 of the e528.
Copyright 2013 INNCOM by Honeywell
PN 292-100
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