Installation / Operation Instruction Manual
Table Of Contents
- Table of contents
- 1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 FCC rules
- 3 Appliance details
- 4 Installation instructions
- 4.1 Specialized tools
- 4.2 Introduction
- 4.3 Venting
- 4.3.1 Vent material
- 4.3.2 Vent specifications
- Condensate drain requirements
- Twin pipe termination clearances
- Minimum combustion air and exhaust pipe length
- Maximum combustion air and exhaust pipe length
- Use of elbows
- Calculation example for 3" venting:
- Calculation example for 4" venting:
- Required direct vent terminal clearances (twin pipe / concentric penetration)
- Required other than direct vent terminal clearances (single pipe penetration)
- 4.3.3 Vent configuration examples
- 4.3.4 Vent connections
- 4.3.5 Connecting the external condensate water drain
- 4.3.6 Freeze prevention
- 4.3.7 Venting for manufactured (mobile) homes
- 4.3.8 Fan speed adjustment
- 4.4 Combustion air requirements
- 4.5 Proper location for installing your heater
- 4.6 Heater placement and clearances
- 4.7 Hanging appliance on the wall
- 4.8 Mounting installation
- 4.9 Gas piping & connections
- 4.10 Water connections
- 4.11 Water quality
- 4.12 Domestic hot water recirculation
- 4.13 Space heating applications
- 4.14 Measuring gas pressure
- 5 Electrical connections
- 6 Operation instructions
- 7 Maintenance and service
- 8 Troubleshooting
- 9 Problem solving
- 10 Electrical diagram
- 11 Sensor resistance charts
- 12 Functional scheme
- 13 Interior components diagram and parts list
- 14 Protecting the environment
- 15 LIMITED TANKLESS HEATER WARRANTY
- 16 Installer Checklist to be completed by installer upon installation
Interior components diagram and parts list
RTG 199 ME – 6 720 811 615 (2014/05)
55
13.2.4 Group 4
Fig. 75 Components Diagram
Item Description Reference
1 Gas valve 8 707 021 019 0
2 Pressure tapping 8 703 404 219 0
3 Washer 8 700 203 041 0
4 Pipe 8 718 221 063 0
6 Gas supply pipe 8 700 715 389 0
7 Gas valve washer 8 700 103 014 0
8 Gas filter 8 700 507 002 0
9 Gasket 8 704 701 085 0
10 Gas / Fan connector 8 705 202 140 0
11 Washer 8 704 701 062 0
12 Regulation screw 8 703 404 220 0
Table 45
13 O-ring 8 700 205 009 0
14 Screw 2 910 149 181 0
Item Description Reference
Table 45