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
Maintenance and service
RTG 199 ME – 6 720 811 615 (2014/05)
40
7.5 Program values
This section describes details on programming the appliance. For most
applications the factory default values will provide robust and stable
operation. Only adjust the factory settings if the installation requires
changes as indicated in the appropriate section of this manual.
Refer to chapter 7.6 Control board diagnostics (page 41) regarding how
to access these P-modes.
CAUTION: Appliance malfunction!
▶ Misadjusted program values can lead to appliance
malfunction, errors, and service calls.
Program Description Factory Default MIN MAX Comment
P1 Maximum Power NG: 54,
LP: 46
21 NG: 55,
LP: 49
see chapter 4.14, page 32
note: reducing P1 values below maximum
will reduce maximum power of the
appliance.
P2 Minimum Power 7 7 20 see chapter 4.3.8, page 22
P4 Access to
Diagnostic Mode
E 0d 10f see chapter 7.6, page 41
P5 Cascade Mode NO NO CC contact manufacturer for details
P6 Temperature Unit °F °F °C
P7 Gas type selection LP or NG Preset from factory.
Contact manufacturer for details.
P8 Back light dE dE On dE turns back light off after 60 seconds from
last button pushed, ON turns backlight on
permanently.
P9 Fan Purge Runs secondary fan and primary fan when
P9 is selected by depressing the “P” - button
PH Cascading type IC IC SC This menu is only available when cascade
mode is selected CC.
Contact manufacturer for details.
PC Primary/Secondary
mode
CS CS Cn
Table 37 Program values, factory default settings and ranges.