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)
56
13.2.5 Group 5
Fig. 76 Components Diagram
Item Description Reference
1 Water valve with engine 8 708 505 023 0
2 O-ring 8 700 205 147 0
3 Clip 8 716 102 607 0
4 Pipe 8 738 703 468 0
5 Insulation 8 703 303 027 0
6 Clip 8 701 201 028 0
7 Bypass valve 8 738 704 185 0
9 Pipe 8 738 703 311 0
10 Clip bypass 8 701 201 020 0
12 O-ring bypass 8 700 205 129 0
13 Hydraulic block 8 738 704 672 0
14 Filter 8 700 507 081 0
15 Filter cover 8 738 702 550 0
Table 46
16 Wireform spring 8 704 705 029 0
17 O-ring filter cover 8 700 205 312 0
18 Wireform spring 8 704 705 055 0
19 O-ring 8 700 205 157 0
20 Inlet Temperature sensor 8 700 400 042 0
21 O-ring 8 700 205 310 0
22 Connection bush 8 738 702 558 0
23 Clip 8 701 300 025 0
24 Connection bush 8 738 702 548 0
25 Outlet Temperature sensor 8 700 400 033 0
Item Description Reference
Table 46