Potterton NXR4 Installation, Operation & Maintenance Manual page 43

Section 1
Fig. 1 - General Data & Dimensions
Table 1 - Boiler Dimensions
Table 2 - Combustion Chamber Data
Table 3 - Technical Data
- Explanatory Notes
- Clearances
Fig. 2 - Boiler Clearances
Fig. 3 - Boiler Footprint/Base Details
Section 2
- General Information
- Standard Supply
- Controls
- Optional Extras
- Shipping & Packaging
- Installation Standards
- Boiler Siting & Base
Section 3
- Ventilation
- Flue (General)
- Water Circulation Systems
- Boiler Protection
- System Water Quality
Section 4
- Boiler Erection
- Risk Assessment
- Manual Handling
- Personal Protective Equip.
- Confined Spaces
- Electrical Safety
- Preparation
- C.O.S.H.H
- Erection Checklist
- Boiler Erection
- Section Assembly
Fig. 4 - Fluegas Passes
Fig. 5 - Section Build
Fig. 6 - Section Layout
- Pulling Up the Sections
Fig. 7 - Sealing
Fig. 8 - Tie Rod Fixing
- Exchanger Assembly
Fig. 9 - Burner Door
Fig. 10 - Exchanger (Exploded View)
- Burner Support Plate
- Burner Door
Fig. 11 - Insulation Blanket Position
Fig. 12 - Number & Width of Side Panel 17
Fig. 13 - Casing (Exploded View)
- Fitting the Casing
Fig. 14 - Control Panel Configuration
- Assembly of Instrument Panel 21
INDEX
Fig. 15
1 Fig. 16
1 Fig. 17
1
2
3
4
4
4 Fig. 18
Fig. 18 A
5
5
5
5
5 Section 5
6
6
7
7
7
8
8
9
9
9
9
9
9
9
10
10 Section 6
11
11 Fig. 19
12
12 Fig. 20
13 Fig. 21
14
14 Section 7
14
14 Fig. 22
15
16 Fig. 23
17 Fig. 24
17
17
18
19
20
- Instrument Panel Assembly
- Cable Routing
- Fitting Thermometer into Flue 22
- Flue Gas Thermometer
- Burner Cables
- Fitting the Burner
- Connections
- Single Phase Installation
- Boiler & Burner Power Supply 23
- Boiler & Burner Single Phase 23
- Three Phase Installation
- Volt Free Contacts
- Connecting the Gas Supply
- Connecting the Oil Supply
- Connecting the Water Supply 24
- Commissioning Check List
- Boiler Commissioning
- Safety Requirements
- Emergency Instructions
- Pre-commissioning Dry Run
- Soundness Testing
- Commissioning Live Run
- Additional Checks
- Fault Finding
- Overheat Operation
- Burner Lockout
- Boiler Maintenance
- Cleaning Flue Surfaces
- Nat Gas/LPG Fired Boilers
- Class 'D' & 'C2' Fired Boilers 28
- Sludge Gas
- Boiler Ancillaries
- Boiler Controls
- Safety Interlocks
- Boiler Wiring Diagram
- Wiring Diagram – Legend
- Pump Overrun Pipe Stat
- Additional Volt Free Contacts 31
- Boiler Components
- NXR4 Parts List
- Casing Components
- Control Panel
21
22
22
22
22
23
23
23
24
23
24
25
25
26
26
26
26
26
27
27
27
27
28
28
28
28
28
28
28
29
30
30
32
33
34
35