TABLE OF CONTENTS
TECHNICAL DOCUMENTATION 03
Technical Data
Dimensions
Safety Guidelines
Conditions
General Guidelines
Service
General Restrictions
Description
General
Working Principle and Design
Application Features
Main Components
Bottom Connections
Boiler Control
Safety Aspects
Delivery & Transport
Delivery
Transport
Moving
Access Requirements
Installation
Regulations
Installation Area
Mounting - Solid Walls
Mounting - Non-Load Bearing Walls
Installation Guidelines
Ventilation
Gas Connection
Water Connections
Electrical Connections
Internal Controls Breakdown (Main PCB)
Internal Controls Breakdown (Control Fascia)
External Controls Breakdown (Din Rail)
Flue Connection
Flue Gas Outlet and Air Inlet Pipe
Flue Adaptor Installation
Flue Gas Data
Flue Length
Calculation of Diameter and Length
Resistance Table
Condense Connections
Safety Valve Connection
Hydraulic System
Pump Characteristics
Shut-Off Valves
Valves (Boilers in Cascade Arrangement)
Water Flow Protection Device
Water Pressure
System Expansion Vessel
Water Pressure Protection Device
Water Temperature
Water Quality
Water Hardness
1.
2.
3.
4.
5.
6.
04
05
06
07
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
Operating Instructions
Operation
Controls
Boiler Module
PCB Symbol Key
Switching On the Appliance
Switching Off the Appliance
Information Display
DHW Operation
Heating Operation
Displaying Information
Table Parameter List
History Mode
Possible Error Codes
Possible Error Codes continued.
Commissioning
General
Reference Value for Maximum Load
Reference Value for Minimum Load
Maximum Load Adjustment
Minimum Load Adjustment
Setting the CO
2
Value for the ETHOS Range
Conversion from Natural Gas to Propane
Cascade Set-Up
Auto Detection Mode
Cascade Test Mode
Maintenance
Safety
Servicing Schedule
Gas Valve and Venturi
Fan and Burner Assembly (ETHOS 70)
Fan and Burner Assembly (ETHOS 90, 110 and 130)
Pump / Pump Head
Setting / Checking of Electrode and Probe Gaps
Component List
Casing and Electrical Components
Core Components (ETHOS 70)
Core Components (ETHOS 90, 110 and 130)
Conversion Formulae & Factors
Notes
7.
8.
9.
10.
11.
12.
13.
22
23
24
25
26
27
28
29
30
31
31
32
33
34
35
36
37
38
39
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