andrews NEOflo SC25/200 Installation, Operation And Maintenance Manual page 4

CONTENTS
Section
TECHNICAL DATA
User Instructions
GENERAL & SAFETY INFORMATION 5
Gas Safety Standards
Health & Safety Regulations
Combatting Legionella
Decommissioning, disposal & recycling 6
INSTALLATION OF HEATER
Heater Location
Water Quality & Treatment
Water Connections
Unvented Water Supply
Condensate Drain
Flue Systems
Flue Equivalent Length Calculation
Ventilation Requirements
Gas Supply
Electrical Connections
COMMISSIONING
Filling
Starting
Commisioning the Burner
FAULT FINDING
INSTALLATION OF HEATER
Operation
Controls & Lockouts
Diagnostics
SERVICING
Routine Service
Burner & Combustion Chamber
Spark & Sense Electrode
Air & Flue Duct Seals
Condensate Syphon
Gas Rate & Combustion
CHANGING COMPONENTS
Pressure Temperature Safety Valve
LCD Display
High Limit Sensor
Control Sensor
Flue Th ermostat
Ignition Control
Electrode & Gasket
Gas Valve
Fan
Venturi
SPARES COMPONENTS
COMMISSIONING & SERVICE
HISTORY
NEOfl o Water Heater
Page
Inside cover
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5
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Inside back cover
List of Figures & Tables
Fig 1.1 User Control
Fig 2.1 General Dimensions
Fig 3.1 Open Vent Example
Fig 3.2 Re-Circulation Design
Fig 3.3 De-Stratifi cation Design
Fig 4.1 Unvented Design
Fig 5.1 Condensate Soakaway
Fig 5.2 Condensate Soil Stack
Fig 5.3 Condensate Internal Sink
Fig 5.4 Condensate Gully
Fig 6.1 Flue Parts
Fig 6.2 Open Flue Systems
Fig 6.3 Horizontal Flue Systems
Fig 6.4 Vertical Flue Systems
Fig 6.5 Flue Terminal Dimensions
Fig 6.6 Terminal Locations
Fig 7.1 Electrical Connections
Fig 7.2 Wiring Diagram
Fig 8.1 Th rottle Adjustment
Fig 8.2 User Control
Fig 9.1 Th rottle Adjustment
Fig 9.2 LCD Display
Fig 9.3 Heater Components External
Fig 9.4 Heater Components Internal
Fig 9.5 Spares Components
Table 1.0 Lockout Codes
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September 2015