Westinghouse WGR050LP076 Installation Instruction

WHL-001 REV. 12.17.14

– VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL............................................................................ 23

A. GENERAL ...................................................................................................................................................................................................... 23

B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE ........................................................................................................... 24

C. REQUIREMENTS FOR INSTALLATION IN CANADA .................................................................................................................................... 24

D. EXHAUST VENT AND INTAKE PIPE LOCATION .......................................................................................................................................... 25

E. EXHAUST VENT AND INTAKE PIPE SIZING................................................................................................................................................. 26

F. LONGER VENT RUNS ................................................................................................................................................................................... 26

G. EXHAUST VENT AND INTAKE PIPE INSTALLATION ................................................................................................................................... 27

H. VENTING DRAWINGS ................................................................................................................................................................................... 27

1. DIRECT VENT INSTALLATION OF EXHAUST AND INTAKE ............................................................................................................................ 27

2. VENTING THROUGH AN EXISTING SYSTEM .................................................................................................................................................. 31

3. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE ................................................................................ 33

I. CONDENSATE REMOVAL SYSTEM............................................................................................................................................................... 35

PART 6

– WIRING ..................................................................................................................................................................... 37

A. LINE VOLTAGE INPUT .................................................................................................................................................................................. 37

B. LINE VOLTAGE CONDENSATE OUTPUT ..................................................................................................................................................... 37

C. LOW VOLTAGE OUTDOOR SENSOR INPUT ............................................................................................................................................... 37

D. INTERNAL WIRING DIAGRAM ...................................................................................................................................................................... 38

PART 7

– GAS CONNECTIONS ............................................................................................................................................... 38

A. GAS PIPING ................................................................................................................................................................................................... 39

B. GAS TABLE .................................................................................................................................................................................................... 39

C. GAS VALVE ................................................................................................................................................................................................... 40

PART 8

– CONTROLS............................................................................................................................................................... 41

A. CONTROL AND DISPLAY OVERVIEW .......................................................................................................................................................... 41

B. BASIC CONTROL FUNCTIONS ..................................................................................................................................................................... 42

1. TURNING WATER HEATER ON / OFF .............................................................................................................................................................. 42

2. RESETTING THE WATER HEATER .................................................................................................................................................................. 42

3. PUTTING THE WATER HEATER IN ECO MODE .............................................................................................................................................. 42

4. CHANGING USER SETPOINT ........................................................................................................................................................................... 43

C. ADVANCED CONTROL FUNCTIONS ............................................................................................................................................................ 43

1. UPPER LEVEL INSTALLER MODE MENU NAVIGATION.................................................................................................................................. 43

2. TECHNICAL SERVICE AND NAVIGATION ........................................................................................................................................................ 43

D. OUTDOOR RESET ........................................................................................................................................................................................ 44

1. INQUIRY MODE AND NAVIGATION .................................................................................................................................................................. 45

2. HISTORY MODE AND NAVIGATION ................................................................................................................................................................. 45

3. RESET MODE AND NAVIGATION ..................................................................................................................................................................... 46

PART 9

– START-UP PROCEDURE ......................................................................................................................................... 47

A. OPERATING INSTRUCTIONS ....................................................................................................................................................................... 47

B. TEST MODE ................................................................................................................................................................................................... 47

C. MAINTENANCE ............................................................................................................................................................................................. 48

PART 10

– SHUTDOWN ............................................................................................................................................................ 49

A. SHUTDOWN PROCEDURE ........................................................................................................................................................................... 49

B. VACATION PROCEDURE .............................................................................................................................................................................. 49

C. FAILURE TO OPERATE ................................................................................................................................................................................ 49