18.09.2019

Benchmark Boiler Manual

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- 1
  Servicing Instructions
2
1 Installation Regulations
2
2 Introduction
2
Table of Contents
4
3 Technical Data
6
4 Siting the Appliance
7
6 Air Supply
7
5 Flue Terminal Positions
8
7 Sealed System
- 8
  Open Vent System
9
8 Domestic Hot Water
9
10 Electrical
9
9 Gas Supply
12
11 Installation
18
12 Commissioning
20
14 Inspection and Servicing
20
13 Instructions to the User
22
15 Replacement of Parts
28
16 Short Parts List
30
17 Operational Flow Diagram
32
18 Fault Finding
- 43
  General Description
- 45
  General Notes
- 45
  Central Heating System
- 45
  Sealed Heating System
- 46
  Room Thermostat
- 46
  Thermostatic Radiator Valves
- 47
  Use in Hard Water Areas
- 47
  Circulating Pump
- 48
  Domestic Hot Water Temperature
- 49
  Indicator Lights
- 50
  Electricity Supply
- 56
  Guarantee Registration

AERCO LOW NOx Benchmark Gas Fired Hot Water Boiler System. The AERCO Benchmark 2.0 Low NOx (BMK 2.0LN) Water Boiler is designed for condensing application in any closed loop hydronic system. It delivers 20:1 burner turndown to match energy input directly to fluctuating system loads to yield the highest possible seasonal efficiencies. Benchmark Gas Boiler System Commissioning Checklist, located at the back of this User manual. If you are in any doubts as to the installation or operation of the boiler please read the instruction manuals thoroughly and then if necessary contact Biasi UK for advice and as-sistance.

User manual, Benchmark 2.0ln dual-fuel, Low nox boiler

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AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288