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Ultramax WM 85
MHS Boilers Ultramax WM 85 User Manual
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Ultramax WM Wall Mounted Condensing Boiler
Operating & Maintenance Manual
For Models 45, 65, 85, 100 & 120
MHS Boilers Ltd
3 Juniper West
Fenton Way
Basildon Essex
SS15 6SJ
01268 546700 Telephone 01268 888
250 Fax
WWW.MHSBOILERS.COM
L282
2
Table of Contents
Default Chapter
2
Table of Contents
2
WM Technical Data
4
WM Dimensions
5
1 Introduction
6
General
6
The Supplier
6
This Document
6
General Restrictions
7
2 Description
7
General
7
Service
7
Case Removal
9
Main Components
9
Description of Principal Components
10
Boiler Control
11
Safety Aspects
11
Delivery
13
Packaging
13
Transport
13
Regulations
14
Installation Area
14
3 Safety
12
4 Delivery and Transport
13
General
14
Ventilation
14
Connections
15
Electrical Connections
15
Gas Connection
15
Connection Possibilities
26
Flue Gas Outlet and Air Inlet
26
Water Connections
26
Air Inlet Pipe
27
Flue Gas Outlet
27
Flue
28
Condensate Drain
30
Hydraulic System
30
Water Flow
30
Flow and Resistance
30
Pump Characteristics
32
Shut-Off Valves
32
Valves
32
Water Flow Protection Device
32
Water Pressure
33
Boiler Expansion Vessel
33
Operating Pressure
33
System Expansion Vessel
33
Water Pressure Protection Device
33
Water Temperature
33
Water Quality
33
5 Installation
14
6 Operating Instructions
35
Operation
35
Controls
35
Boiler Module KM628
35
Fault Signals
37
Setting into Operation
39
Switching-Off the Appliance
39
Warnings
39
7 Commissioning
40
General
40
Fuel Conversion NG-LPG LGP -NG
42
8 Maintenance
42
General
42
Safety
42
Cleaning the Burner and the Heat Exchanger
43
Cleaning the Strainer of the Gas Combination Block
43
Ionisation Measurement
43
Procedure
43
Service
43
9 Additional Information
44
Flue Terminal Positions
44
Wiring Diagrams
45
Notes
50
4
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MHS Boilers Ultramax WM 85 Specifications
General
Efficiency
94%
Max Working Pressure
3 bar
Fuel Type
Natural Gas
Output
80, 000 BTU/h
Flue Diameter
100 mm
Input BTU
85000 BTU/hr
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