Lochinvar Herald HCB-237 Manuals

Manuals and User Guides for Lochinvar Herald HCB-237. We have 1 Lochinvar Herald HCB-237 manual available for free PDF download: Service Manual

Lochinvar Herald HCB-237 Service Manual

Lochinvar Herald HCB-237 Service Manual (57 pages)

Brand: Lochinvar | Category: Boiler | Size: 2 MB

Table of Contents

Safety Guidelines
6
What to Do if You Smell Gas
6
Table of Contents
7
Display Panel Menu Access
8
General Operation
9
How the Control Module Operates
9
Sequence of Operation
9
Adjust Set Point Temperature(S)
9
Installer Password
9
Initial Setup
14
Clock and Date
14
Viewable and Changeable Control Parameters
15
Temperature Settings
16
Data Logging
17
Functions
17
DHW Settings
17
Outdoor Reset
19
Anti-Cycling
21
Control Modes
22
Cascade Control
23
Circulation Pumps
26
Bms
27
Maintenance
30
Service and Maintenance Schedules
30
Troubleshooting
37
Appendix 1 Control Inputs
51
Appendix 2 Control Outputs
52
Appendix 3 Spare Parts Finder
53

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