Reliance Water Heaters D85500PE - Manual (Page 2)

2
Outdoor Air Through Two Vertical Ducts ........................................17
Air From Other Indoor Spaces .......................................................17
Technical Data Venting ..................................................................18
WATer heATer INSTALLATION ......................................................19
Water Line Connections ................................................................19
T&P Valve Discharge Pipe .............................................................19
Installation Diagrams - Top Inlet/Outlet Usage ..............................20
Code restrictions ..........................................................................20
Heater Wiring .................................................................................21
Gas Piping .....................................................................................22
Purging ..........................................................................................22
Gas Pressure Regulator ................................................................22
OPERATION .......................................................................................23
General ..........................................................................................23
Filling .............................................................................................23
SeQUeNCe OF OPerATION ...........................................................23
Lighting & Operation Label ............................................................24
Check Venting ...............................................................................25
Check the Igniter Assembly ...........................................................25
Igniter Assembly ............................................................................25
Main Burner ...................................................................................25
Gas Valves .....................................................................................25
Checking the Input .........................................................................26
mAINTeNANCe .................................................................................26
Venting System ..............................................................................26
remote Storage Tank Temperature Control ..................................26
Temperature-Pressure relief Valve Test .......................................26
hot Water Odor ..............................................................................27
Anode rod Inspection ...................................................................27
Draining and Flushing ....................................................................27
recommended Procedure for Periodic removal of Lime Deposits
from Tank Type Commercial Water heaters ..................................28
Deliming Solvents ..........................................................................28
Tank Cleanout Procedure ..............................................................28
Deliming Using Flo-Jug method ....................................................28
Ignition module System .................................................................30
System Diagnostics .......................................................................30
SerVICe ............................................................................................30
electrical Servicing ........................................................................30
FOR yOUR INFORMATION ...............................................................30
Start Up Conditions .......................................................................30
Operational Conditions ..................................................................30
Sequence of Operation Flow Chart ...............................................32
OPerATIONAL CheCkLIST .............................................................33
WATer PIPING DIAGrAmS ..............................................................34
mANIFOLD kITS ................................................................................49
LIMITED WARRANTy ........................................................................50
NOTeS ...............................................................................................51
table of contents
SAFe INSTALLATION, USe AND SerVICe........................................3
APPrOVALS ........................................................................................3
GeNerAL SAFeTy INFOrmATION ....................................................4
Precautions ......................................................................................5
Grounding Instructions ....................................................................5
hydrogen Gas Flammable ...............................................................5
INTrODUCTION ..................................................................................6
Abbreviations Used .........................................................................6
Qualifications ...................................................................................6
FeATUreS AND COmPONeNTS .......................................................7
The hydro Cannon (self-cleaning system) ......................................7
high Limit Switch .............................................................................7
electronic Ignition Control ................................................................7
exhaust Inducer (blower assy.)........................................................7
Uncrating .........................................................................................7
INSTALLATION CONSIDerATIONS ...................................................8
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
high Altitude Installations .............................................................. 11
Propane Installations ..................................................................... 11
Natural Gas Installations ............................................................... 11
INSTALLATION reQUIremeNTS ....................................................12
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
Contaminated Air ...........................................................................14
Air requirements ...........................................................................14
Unconfined Space .........................................................................15
Confined Space .............................................................................15
Vent Adapter ..................................................................................15
VeNTING INSTALLATION .................................................................15
Venting ...........................................................................................15
multiple heater manifold ................................................................16
Fresh Air Openings For Confined Spaces .....................................16
Outdoor Air Through Two Openings ..............................................16
Outdoor Air Through One Opening ................................................16
Outdoor Air Through Two horizontal Ducts ...................................16