A.O. Smith UB-140 Manuals

Manuals and User Guides for A.O. Smith UB-140. We have 1 A.O. Smith UB-140 manual available for free PDF download: Installation And Service Manual

A.O. Smith UB-140 Installation And Service Manual

A.O. Smith UB-140 Installation And Service Manual (68 pages)

Commercial Modular High Efficiency Condensing Boiler

Brand: A.O. Smith | Category: Boiler | Size: 9 MB

Table of Contents

Table of Contents
3
1 Introduction

4
2 Regulations

7
3 Scope of Delivery

9
4 Description

10
5 Installation and Mounting

11
- Wall-Mounted in Line
  12
- Free-Standing in Line
  13
- Free-Standing Back to Back
  14
- Connecting the Boiler
  15
6 Hydraulic and Gas Line System

16
- Heating System
  16
- Expansion Vessel
  17
- Water Quality
  17
- Gas Line
  19
- Condensate Drain
  20
7 Flue Gas System

22
8 Electrical Connections

31
- External Controls
  33
- Wiring Diagram
  35
9 Boiler Control

37
- Operational Status
  38
- Operation
  38
- Commissioning
  39
10 Basic Settings

41
11 Parameters

45
- Activate Factory Settings
  49
12 Put out of Operation

49
13 Inspection and Maintenance

50
- Maintenance Intervals
  50
- Checks Prior to Commissioning
  50
- Maintenance Activities
  53
- Counter Running Hours
  56
14 Error Report

57
15 Warranty Conditions

58
- General Warranty
  58
- Heat Exchanger Warranty
  58
- Conditions for Installation and Use
  58
- Exclusions
  59
- Scope of the Warranty
  59
- Claims
  59
- Obligations of A.O. Smith Water Heaters
  59
- Annex a Technical Specifications
  60
- Annex B System Water Additives
  61
- Annex D Declaration of Conformity
  67

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