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Sherborne Series
Hamworthy Sherborne Series Installation, Commissioning And Service Manual
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IMPORT
ANT NOTE
THESE INSTRUCTIONS MUST BE READ
AND UNDERST
OOD BEFORE INST
ALLING,
COMMISSIONING, OPERA
TING OR
SER
VICING EQUIPMENT
Sherbor
ne Series Boiler
s
Room Seale
d, Fully Modula
ting, Pre-
Mix,
Gas Fired Boilers fo
r Heating and
Domestic
Hot Water Installations
Inst
allation, Commissioning
and Servicing Instructions
S70c - FULLY C
ONDENSING
S65 - HIGH EFFICIENCY
NATURAL GAS
I
2H
LPG-PROPANE
I
3P
2
Table of Contents
Table of Contents
4
Introduction
7
Technical Data
10
General Requirements
11
Related Documents
11
Feed Water Quality
11
Adequate Water Flow
11
Time Clock Control
12
Minimum System Water Pressure
12
Location
12
Gas Supply
12
Service Pipes
12
Meters
12
Gas Supply Pipes
12
Boosted Supplies
12
Boiler House Control Valve
12
Boiler Gas System Leak Check
12
Flue System
13
Condense Drain
13
Design Waste Gas Volume and Temperature
13
Maximum Length of Flue Duct
13
Disconnection
13
Flue Discharge
13
Surface Temperatures
18
Flue System Location
18
Air Supply
18
Air Supply by Natural Ventilation (Open Flue)
18
Air Supply by Natural Ventilation (Room Sealed)
18
Air Supply by Mechanical Ventilation (Open Flue)
18
Water Circulation System
18
General
18
Pressure Relief Valve (Safety Valve)
19
Open Vent and Cold Feed Pipe
19
Altitude Gauge (Water Pressure Gauge)
19
Thermometer
19
Drain Valves
19
Circulating Pump
19
Minimum Water Flow Rates
19
Waterside Pressure Drop
19
Unvented Systems
20
Electrical Supply Connections
24
Indication Signals and Volt Free Contacts
24
Cable Installation
24
Sequencing Interface Module (Optional)
24
Boiler Assembly and Installation
24
General
24
Mounting the Boiler to the Wall
24
Connection of the Boiler to the Flue System
25
Water Connections
27
Condense Trap Connection
28
Gas Connection
28
Fitting the Control Panel
28
Fitting the
28
Commissioning and Testing
30
Electrical Installation
30
Gas Installation
30
Water Circulation System
30
Commissioning the Boiler
30
Boiler Checks Prior to Lighting
30
External Controls
33
Installation Noise
34
Fault Finding
34
Safety Features Summary
34
Fault Finding Procedures
34
Possible Causes of Boiler Lockout
34
Servicing
34
Replacement of Failed Components
40
Recommended Spares
42
Appendix 'A' - Information Relating to Propane Firing
43
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Installation, Commissioning And Servicing Instructions
54 pages
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Hamworthy Sherborne Series Specifications
General
Modulation Range
5:1
Boiler Type
Condensing
Fuel Type
Natural Gas
NOx Emissions
Class 5
Casing
Steel
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