Westinghouse WGRTLP199 User Manuals

Table of Contents

• PART 1 – ITEMS SHIPPED WITH THE WATER HEATER

  6
• PART 2 – SAFETY REGULATIONS

  6
• A. OPERATION AND INSTALLATION WARNINGS

  6
• C. IMPROPER COMBUSTION

  8
• D. GAS

  8
• E. WHEN SERVICING THE WATER HEATER

  8
• F. WATER QUALITY

  8
• G. FREEZE PROTECTION

  8
• PART 3 – TECHNICAL SPECIFICATIONS

  9
• PART 4 – PREPARE WATER HEATER LOCATION

  11
• A. BEFORE LOCATING THE WATER HEATER

  12
• B. LEVELING

  13
• C. CLEARANCES FOR SERVICE ACCESS

  13
• D. RESIDENTIAL GARAGE INSTALLATION

  13
• E. EXHAUST VENT AND INTAKE PIPE

  13
• F. PREVENT COMBUSTION AIR CONTAMINATION

  14
• G. REMOVING A WATER HEATER FROM A COMMON VENT SYSTEM

  14
• H. UNCRATING THE WATER HEATER

  15
• I. WALL-MOUNTING THE WATER HEATER

  15
• PART 5 – VENTING

  16
• A. INTAKE PIPE AND EXHAUST VENT GUIDELINES

  16
• B. APPROVED VENT MATERIALS

  18
• C. ALLOWED SCHEDULE 40 VENT LENGTHS (PVC, CPVC, PP)

  18
• D. TIGHTENING WATER HEATER COLLAR TO EXHAUST VENT AND INTAKE PIPE

  19
• E. VENT TERMINATION

  19
• 1. Two Pipe Roof and Sidewall Vent Terminations

  19
• 2. Direct Vent, Optional Horizontal and Vertical Vent Kits

  20
• 3. Screen Installation

  20
• PART 6 – INSTALL THE CONDENSATE DRAIN

  21
• PART 7 – GAS PIPING

  21
• A. GAS PIPE SIZING TABLES

  21
• 1. Gas Pipe Sizing

  21
• 2. Natural Gas Pipe Sizing

  21
• 3. LP (Liquid Propane) Gas Pipe Sizing

  22
• B. GAS CONNECTION REQUIREMENTS

  22
• C. ADJUSTING GAS PRESSURE AT THE WATER HEATER

  24
• PART 8 – WATER PIPING

  24
• A. GENERAL PLUMBING CONNECTION GUIDELINES

  24
• B. INSTALL A BACKFLOW PREVENTER

  24
• C. PIPING THE WATER HEATER

  24
• D. PIPING DIAGRAM

  25
• E. PRESSURE RELIEF VALVE

  25
• PART 9 – CONNECT ELECTRICAL POWER / INITIAL STARTUP

  26
• A. WIRING INFORMATION

  26
• B. DIP SWITCHES

  27
• PART 10 – OPERATING SYSTEM INSTRUCTIONS

  32
• A. CONTROL PANEL

  32
• B. LCD DISPLAY DESCRIPTIONS

  32
• C. START-UP SEQUENCE

  32
• D. CHANGING THE DHW SET-POINT

  33
• E. CHANGING THE TEMPERATURE INDICATOR

  33
• G. STATUS DISPLAY MODE

  33
• H. INSTALLER MODE

  34
• F. ERROR MODE

  35
• G. ERROR TREE ANALYSIS

  38
• 1. FLAME DETECTION

  38
• 2. GAS DETECTION

  39
• 3. AIR PRESSURE SWITCH

  39
• 4. Inlet / DHW / Operating Temperature SENSORS

  39
• PART 11 – FINAL INSTALLATION CHECKLIST

  40
• PART 12 – TROUBLESHOOTING

  41
• PART 13 – MAINTENANCE PROCEDURES

  42
• REPLACEMENT PARTS

  47
• Limited Warranty for Residential Tankless Water Heaters

  49
• MAINTENANCE REPORT

  51
• MAINTENANCE NOTES

  55
• CUSTOMER INSTALLATION RECORD FORM

  56