2
WaTER HEaTER INsTallaTIoN ...................................................20-23
Water Line Connections ..................................................................20
Water (Potable) Heating and Space Heating............................................20
Thermometer (Not Supplied) ....................................................................20
Water Piping Diagrams .............................................................................20
T&P Valve Discharge Pipe ...............................................................20
Installation Diagrams .......................................................................21
Code Restrictions ............................................................................21
Heater Wiring ...................................................................................22
Gas Piping .......................................................................................23
Purging ............................................................................................23
Gas Pressure Regulator ..................................................................23
oPERaTIoN .........................................................................................24
General ............................................................................................24
Filling ...............................................................................................24
Adjustments .....................................................................................24
SequeNCe of oPeRATioN .............................................................24
lighting & operation label ..............................................................25
Checking Venting .............................................................................26
Checking the igniter Assembly ........................................................26
Igniter assembly ..............................................................................26
Main Burner .....................................................................................26
Gas Valves .......................................................................................26
Checking the input ...........................................................................27
High Altitude installations ................................................................27
mAiNTeNANCe ...................................................................................28
Venting system ................................................................................28
Remote Storage Tank Temperature Control ....................................28
Temperature-Pressure Relief Valve Test .........................................28
Hot Water odor ................................................................................28
Anode Rod inspection .....................................................................29
Draining and flushing ......................................................................29
To Drain the Water Heater storage Tank ..................................................29
To Flush the Water Heater storage Tank ..................................................29
Recommended Procedure for Periodic Removal or Lime Deposits
from the Tank Type\ Commercial Water Heaters .............................29
Deliming solvents ...........................................................................30
Tank Cleanout Procedure ................................................................30
Deliming using flo-Jug method .................................................30-31
ignition module System ...................................................................31
System Diagnostics .........................................................................31
SeRViCe ..............................................................................................32
electrical Servicing ...............................................................................32
FoR YouR INFoRMaTIoN .................................................................32
Start up Conditions ..........................................................................32
operational Conditions ....................................................................32
"Air" in the Water faucets .........................................................................32
High Water Temperature shut off system ................................................32
Sequence of operation flow Chart .................................................33
operational Checklist ......................................................................34
WaTER PIPING DIaGRaMs ...........................................................35-49
MaNIFolD KITs ..................................................................................50
NoTEs ............................................................................................51-54
WaRRaNTY .........................................................................................55
taBle of contents
SAfe iNSTALLATioN, uSe AND SeRViCe..........................................3
GENERal saFETY INFoRMaTIoN ...................................................4-5
Precautions ........................................................................................4
iNTRoDuCTioN ....................................................................................6
qualications .....................................................................................6
feATuReS AND ComPoNeNTS .........................................................7
The eliminator (Self Cleaning System) ..............................................7
High Limit Switch ...............................................................................7
electronic ignition Control ..................................................................7
exhaust inducer (blower Assy.) .........................................................7
uncrating ...........................................................................................7
Low Gas Pressure Switch .................................................................7
iNSTALLATioN CoNSiDeRATioNS ................................................8-11
Rough In Dimensions ........................................................................8
Recovery Capacities ..........................................................................8
Gas and electrical Characteristics .....................................................8
Locating The Water Heater ................................................................9
Clearances ........................................................................................9
installation on Combustible flooring ...............................................10
Insulation Blanket ............................................................................10
Hard Water ......................................................................................10
Circulation Pumps ......................................................................10-11
High Altitude installations .................................................................11
INsTallaTIoN REquIREMENTs .................................................12-15
Gas Pressure Requirements ...........................................................12
supply Gas Regulator .....................................................................12
Power Supply ..................................................................................12
Water Temperature Control and mixing Valves................................12
Dishwashing machines ....................................................................13
Closed Water Systems ....................................................................13
Thermal Expansion ..........................................................................13
Temperature-Pressure Relief Valve ............................................13-14
Contaminated Air .............................................................................14
air Requirements .............................................................................14
unconned Space ...........................................................................15
Conned Space ...............................................................................15
Exhaust Fans ............................................................................................15
Louvers and Grilles ...................................................................................15
VENTING INsTallaTIoN ..............................................................15-19
Venting .............................................................................................15
multiple Heater manifold ..................................................................16
fresh Air opening for Conned Spaces ..........................................16
outdoor Air Through Two openings ................................................16
outdoor Air Through one opening ..................................................16
outdoor Air Through Two Horizontal Ducts .....................................16
outdoor Air Through Two Vertical Ducts ..........................................17
Air from other indoor Spaces .........................................................17
Technical Data Venting ...............................................................18-19