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Aerco Modulex MLX EXT 1530
Page 138
Watts Aerco Modulex MLX EXT 1530 - Page 138
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Manual
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Module
x EXT Commercial
Series Boil
ers User Manual
CH
APTER 8
:
M
ainten
ance Sch
edule
Page
138
of
144
AERCO Interna
tional, Inc
.
•
100 Ori
tani Dr.
•
Blauv
elt, NY 1091
3
OMM
-
0095_0
H
09/15/2017
Ph
one
: 800
-
526
-
02
88
GF
-
139
(This P
age Intenti
onally Bl
ank)
137
139
Table of Contents
Main Page
default chapter
2
Table of Contents
2
Chapter 1: Safety Precautions
7
Chapter 2: General Information
11
Correct Use of the Appliance
11
Water Treatment
11
Information to be Made Available to the User
11
Safety Warnings
12
Modifications to Parts Connected to the Appliance
12
For Appliances Operating with Propane Gas
13
Data Plate
14
Operational Requirements
15
General Requirements
15
Regulatory Requirements
15
Water Quality Requirements
16
Tools, Materials, and Additional Equipment
17
Disposal of Packaging and Parts
17
General Warnings
17
Using the Operation and Maintenance Manual
17
Installation and Servicing Personnel
17
Installation Materials
17
Preparing Boiler for Servicing
18
Returning a Boiler to Service
18
Change in Ownership
18
Operational Limits of the Boiler
18
Chapter 3: Technical Features & Dimensions
19
Modulex Ext Commercial Technical Features
19
Temperature Control Devices
19
Control Panel (E8) Includes
19
Other Features Include
19
General Boiler Operation
20
Dimensional Drawings
21
Performance Data
24
Chapter 4: Installation Instructions
25
Installation Warnings and Requirements
25
Appropriate Use of the Boiler
25
Prerequisite System Flushing
25
Installation Personnel Qualifications
25
Carbon Monoxide Detector Installation
25
Installation Conformity Requirements
25
Code and Standards Approvals
26
Packaging
26
Transporting and Securing the Boiler Safely
27
Unpacking the Boiler
27
Boiler Package Contents
28
Boiler Location in a Boiler Room
29
Boiler Room Safety Concerns
29
Products to Avoid in the Boiler Room
30
Recommended Clearances for Servicing
30
Gas Connection General Information
31
Natural Gas Connections
32
Natural Gas Piping Sizes
32
Natural Gas Piping Connections
32
Natural Gas Supply Pressure Requirements
32
Propane Gas Connections
32
Propane Gas Piping Sizes
32
Propane Gas Piping Connections
32
Propane Gas Supply Pressure Requirements
32
Flow and Return Pipe Connections
33
Pressure Relief Valve
33
Manifold Assembly (Supplied)
34
Determination of Primary Boiler Pump or Boiler System Pump
35
Condensate Piping and Drain
36
Water Treatment
38
Important Installation Warnings
38
Oxygen Levels in the System Water Warning
38
Antifreeze Compatibility Warning
38
Lime Scale and Corrosive Water Damage Warning
39
Connection to Refrigeration System Warning
39
Optional Air Intake Connection
39
Flue Manifold Installation
39
Flue Exhaust Piping to Vent
41
Vent Starter Pieces
42
Combustion Air and Ventilation Openings
43
Insufficient Ventilation and Combustion Air
43
Room Air Combustion
44
Sealed Combustion
44
Installation of the Exhaust and Air Intake System
45
Important Factors for Terminal Orientation and Location
45
Minimum and Maximum Wall Thickness
46
Vent Pipe Sizing
46
Electrical Connections
48
Regulations in Force
48
Mains Electrical Supply Connection (120 V - 60 Hz)
48
Service Relay Requirement
49
Electrical Requirements
49
Functional Wiring Diagram
53
Ladder Diagrams
55
General Ladder Diagram
56
E8 Controller and Bcm Terminal Assignments
56
Installation Examples
59
Starting Up: Filling and De-Aerating the Boiler
61
Necessary Precautions for Safety
61
Supply Voltage, Gas Pressure, and Water Pressure
61
Filling the System
61
Necessary Precautions While Filling the System
61
Filling Locations and Preparation
62
Testing the Ignition Safety Shut-Off Device
64
Burner Calibration
65
Installing the Gas Analyzer Probe
65
Maximum Output Calibration
66
Minimum Output Calibration
67
Final Check and Ignition Failure Adjustment Procedure
67
Sweeper Mode (Manual Control)
70
High Altitude Adjustment
71
High Altitude Conversion Label
72
Conversion from Natural Gas to Propane Gas
73
Controls and Emergency Functions
74
Initial Boiler Ignition
75
Preliminary Checks
75
Chapter 5: E8 Controller and Bcm Modules
77
E8 Controller
77
E8 Controller Features and Functions
77
E8 Display Functions
78
E8 HEATING Mode Selection
79
E8 MENU Mode Operation (Door Open)
80
E8 MENU Navigation and Parameter Settings
81
E8 Parameter Navigation, Selection, and Setting
82
Bcm (Boiler Communication Module)
83
BCM Features and Functions
83
BCM Description
83
Chapter 6: Operation of the E8 Controller
87
Installation Menu: Initializing the E8 Controller
88
Quick Start Instructions
89
Setting Maximum and Minimum Flow Temperature
89
Setting Room Temperature and Outdoor Compensation
90
Setting Heating Programs and Pumps
91
Menu and Sub-Menu Descriptions
92
Menus (Top Level)
92
Sub-Menus
92
General Menu
93
Service Menu
95
Display Menu
97
User Menu
99
Time Program Menu
101
Expert Menu
102
Other Possible Settings
106
Settings for Heating Circuit 1/2
106
Heating Adjustment with Constant Flow Temp
106
Temperature Settings for Heating Circuits
106
A Second DHW Storage Tank
107
Temperature Setting for Second DHW Storage Tank
107
Swimming Pool
107
Swimming Pool Temperature Setting
107
Screed Dry Program (for Floor Heating Installation)
107
Temperature Setting for Screed Program
107
Signal 0 - 10 V
107
Slope and Temperature Setting with 0 - 10 V Signal
107
Setting of DHW Circuit
108
Operation of Pumps in Parallel
108
Use of a DHW Storage Tank Thermostat (On/Off)
108
Antilegion
108
Setting for Solar Panel Use
108
Access Code Setting
108
Chapter 7: Troubleshooting
109
E8 Controller Fault Codes
109
E8 Controller Fault Codes
111
BCM (Boiler Communications Module) Fault Codes
115
BMM (Burner Management Module) Fault Codes
116
Chapter 8: Maintenance Schedule
119
Instructions for Inspection and Maintenance
120
Periodic Examination of Venting System
120
Proper Procedure for Cleaning Exhaust Flue
120
Cleaning the Condensate Drain Line
121
Checking Csd-1 Manifold Flow Switch
121
Visual Inspection of the Flame
122
Flame Color
122
Proper Reassembly and Resealing of the Vent-Air Intake System
122
Pressure Switch Hoses and Connections
123
Burner / Heat Exchanger Cleaning Procedure
124
Heat and Return Sensor Resistance Values
124
Unit Disassembly
125
Cleaning the Burner Module
131
Cleaning the Heat Exchanger
131
Mechanical Cleaning of the Heat Exchanger
132
Cleaning the Heat Exchanger with Cleaning Solution
133
Repeat Cleaning
134
Reassembly of the Burner Modules
134
Final Procedures after Maintenance
135
Maintenance Kit Part Number
136
Accessory Kit Part Number
137
Chapter 9: Spare Parts Drawing and Lists
139
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