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Aerco E8 User Manual
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06/
05
/1
3
AERCO
Internatio
nal, Inc
.
•
100
Oritani Dr
.
•
Bla
uvelt
,
NY 10913
•
Ph
:
800-526- 0288
Page
111
of
112
GF
-115-C
Module
x E8 Controll
er and
BCM
Operations and Maintenance M
anual
OMM
-
0084_0D
24
Fan speed out of
control: It
doesn't reach
pre
-
purge speed
within 30
seconds.
Ignition retry
af
ter
60
second delay
and failure
remains until
we have a
successful
burner
operation.
Check fan wiring.
AUT
OMATIC/MANUAL
26
Fan speed out of
control: It
doesn't stop
within 30
seconds after
turned OFF.
Ignit
ion is
inhibited.
Check fan wiring.
AUT
OMATIC
27
Air f
low failu
re
during ignition.
Restart pre
-
purge timer.
The failure
remains until
we have a
successful
burner
operation.
Check fan and
wiring.
Check air proving switch
and wiring.
AUTOMATI
C
30
Setti
ngs
Corrupted
Ignit
ion is
inhibited.
Pump runs for
5 min at max
speed.
Re
-
program t
he settings.
Contact Factory
MANUAL
-
cycle the
power or send reset
me
ss
age.
32
Line voltage too
low. (<
96 VAC)
Wait fo
r
proper line
voltage. (>
102
VAC)
Check input voltage else
try another BMM.
AUTOMATI
C
40
Low W
ater Flow.
Low w
ater
fl
ow
switch activated.
Burners
turned OFF.
Check water flow or
check switch.
AUTOMATI
C
NOTES:
110
112
Table of Contents
Default Chapter
3
Table of Contents
3
Table of Contents Table of Contents
3
1 Introduction
7
Safety and Warnings
7
2 E8 Controller and Bcm Description
9
E8 Controller Features and Functions
9
BCM Features and Functions
10
3 E8 Controller Operation
11
NORMAL Mode Operation (Door Closed)
11
NORMAL Mode Display Functions
11
HEATING Mode Selection (in NORMAL Mode)
12
MENU Mode Operation (Door Open)
12
Software Menus
13
Basic Menu/Sub-Menu Navigation and Selection
15
Basic Parameter Navigation, Selection, and Revision
16
4 E8 Controller Menus and Sub-Menus
17
DISPLAY Menu
18
USER Menu
21
TIME PROGRAM Menu and Sun-Menus
24
EXPERT Menu and Sub-Menus
25
Available V-Curve Preset Voltage Curves for 0 - 10 Volt Input
31
EXPERT HS Menu (Not Used)
31
GENERAL Menu
32
DATE / TIME Menu
32
SERVICE Menu
34
E8 Controller Initial Startup
37
CAP/MODULE Function (Maximum Kilowatts Per Burner)
39
Available Settings for Relay Functions 1 - 4
40
5 E8 OPERATING MODE: Set-Up and Programming
42
Indoor/Outdoor Reset Mode
42
Wiring Connections
42
Indoor/Outdoor Reset Operation Configuration
42
Viewing the Boiler Setpoint
44
Constant Set Point Mode
44
Wiring Connections
45
Constant Setpoint Mode Configuration
45
Viewing Constant Set Point
45
Configuring Set Point High and Low Limits Per Outside Temperature Sensor
45
Modulex E8 Controller and BCM GF-115-C
46
To 10 Volt Remote Set Point Mode
48
Remote Signal Source Wiring Connections
48
Configuring Remote Signal Source
49
Setting the Voltage and Set Point Limits for U1/U2 and T1/T2
50
Setting the Curve 11-UO Voltage
51
Viewing the Setpoint
52
Domestic Hot Water Operation Using a Tank Sensor
52
Sensor Wiring Connections
52
Configuring the Controller for DHW with a Tank Sensor
53
Setting the DHW Set Point
54
Displaying Temperatures Associated with DHW
55
DHW Operation Using an Aquastat
56
Sensor Wiring Connections
56
Configuring the Controller for DHW with an Aquastat
56
Setting the DHW Set Point
56
Displaying Temperatures Associated with DHW
56
Boiler & Pump Enable/Disable
56
6 Connection Diagrams
58
Power Terminal Assignments
59
Sensor Terminal Assignments
60
7 Boiler Communications Module (Bcm)
62
Boiler Communications Module (BCM) Description
62
BCM Fault Relay
64
BCM Fault Relay Wiring
64
Clearing Faults
64
BCM Configured as Back-Up Controller
65
BCM Back-Up Controller Wiring
65
BCM Configured as Primary Controller Utilizing Modbus
66
Operating Scenario
66
Physical Modbus RS485 Wiring
67
Disconnecting the E8 from the E-Bus on the BCM Board
68
AERCO BMS II/ACS Master to BCM Slave Wiring Connections
69
EMS or BAS Master to BCM Slave Wiring Connections
69
RS485 Loop Termination Resistors and Bias
69
Master AERCO BMS II/ACS or EMS/BAS Terminating Resistor and Bias
69
BCM Controller Terminating Resistor and Bias
70
Modbus Network Wiring Diagram
70
Modbus Software Set-Up
74
BCM Set-Up for Modbus Operation
74
Monitoring and Configuration Only
75
Modulex E8 Controller and BCM GF-115-C
75
AERCO BMS II/ACS Modbus Control and Monitoring
75
Modbus Remote Setpoint Control and Monitoring
75
EMS or BAS Set-Up as Master to BCM Controller Slaves
75
Multiple Modulex Boiler Heating Mode - Utilizing a BMS II or ACS
75
Sequence of Operation (Example: Four-Modulex Boiler Installation)
76
8 E8 Controller Menu Listings
78
DISPLAY Menu
78
USER Menu
80
TIME PROGRAM Menu
82
EXPERT Menu
85
GENERAL Menu
89
DATE / TIME Sub-Menu
90
SERVICE Sub-Menu
90
9 Bcm Modbus and Address Assignments
94
BCM Modbus Communication & Support Requirements
94
Function Codes
94
Modbus Support Requirements
94
BCM Controller Standard Holding Register Assignments
95
BCM Controller Standard Input Register Assignments
95
10 E8, Bcm, and Bmm Fault Codes
102
Processing and Clearing Fault Codes
103
Fault Codes and Descriptions
104
E8 Controller Fault Codes
105
BCM (Boiler Communications Module) Fault Codes
106
BMM (Burner Management Module) Fault Codes
108
06/05/13 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288
112
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Aerco E8 Specifications
General
Brand
Aerco
Model
E8
Category
Controller
Language
English
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