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A.O. Smith UB-70 User Manual

A.O. Smith UB-70
68 pages
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0310 351
Innovation has a name.
Commercial Modular High
Efficiency Condensing Boiler
UB - 70/110/140
Upsilon
Installation and Service
Manual
These instructions should be retained by user.
8G.51.91.03/09.13 Changes reserved. E. & O. E.
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A.O. Smith UB-70 Specifications

General IconGeneral
ModelUB-70
Input Capacity70, 000 BTU/hr
Dimensions28.3" H x 16.5" W x 11.3" D
Weight80 lbs
BrandA.O. Smith
TypeBoiler
Water Content1.3 Gallons
Fuel TypeNatural Gas
Water Capacity1.3 Gallons

Summary

2 Regulations

4 Description

5 Installation and mounting

5.1 Wall-mounted in line

Instructions for mounting the Upsilon cascade boilers in a wall-mounted inline configuration.

5.2 Free-standing in line

Guidelines for installing Upsilon boilers free-standing in a line configuration on a frame.

5.3 Free-standing back-to-back

Steps for mounting Upsilon boilers free-standing back-to-back on a frame.

5.4 Connecting the boiler

Details on connecting the boilers to the pipe work headers, gas lines, and isolation valves.

6 Hydraulic and gas pipe line system

6.4 Gas line

Regulations and guidelines for mounting and connecting the gas line, including safety checks.

7 Flue gas system

8 Electrical connections

8.2 Wiring diagram

Visual representation of the boiler's electrical connections and component layout.

9 Boiler control

9.3 Commissioning

Step-by-step instructions for commissioning the boiler, including setting time and address.

9.5 Filling the heating system

Instructions for filling the heating system with water and the automatic venting program.

10 Basic settings

11 Parameters

13 Inspection and maintenance

13.1 Maintenance intervals

Recommended intervals for carrying out boiler maintenance based on operational hours or time.

13.3 Maintenance activities

Detailed steps for performing various maintenance tasks on boiler components.

14 Error report

15 Warranty conditions

Annex A Technical specifications

Annex C Dimensions

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