State Industries 740A Manuel D’Utilisation

3

Spray  can  propellants,  cleaning  solvents,  refrigerator  and  air 

conditioning  refrigerants,  swimming  pool  chemicals,  calcium 

DO  NOT  USE  THIS APPLIANCE  IF ANY  PART  HAS  BEEN 

UNDER WATER.  Immediately call a qualified service technician 

to inspect the appliance and to replace any part of the control 

system and any gas control which has been under water.

IF THE  UNIT  IS  EXPOSED TO THE  FOLLOWING,  DO  NOT 

OPERATE  HEATER  UNTIL ALL  CORRECTIVE  STEPS  HAVE 

BEEN MADE BY A QUALIFIED SERVICEMAN.

1.  EXTERNAL FIRE.

2.  DAMAGE.

3.  FIRING WITHOUT WATER.

4.  SOOTING.

ROUGH-IN-DIMENSIONS ....................................................................2

FOREWORD ......................................................................................2,3

TABLE OF CONTENTS .........................................................................3

GENERAL SAFETY INFORMATION .....................................................3

 

Precautions ...................................................................................3

 

Liquid Petroleum Models ...............................................................3 

 

Chemical Vapor Corrosion..........................................................3,4

 

Improper Combustion ....................................................................4

EXTENDED NON-USE PERIODS ........................................................4

 

Cathodic Protection .......................................................................4

 

Insulation Blankets ........................................................................4

 

High Altitude Installations ..............................................................4

FEATURES ............................................................................................4

 

Low Emmission Control .................................................................4

 

High Limit Switch (E.C.O.) ..........................................................4,5

 

Dishwashing Machine Requirement ..............................................5

INSTALLATION INSTRUCTIONS .........................................................5

 

Required Ability .............................................................................5

 

Uncrating .......................................................................................5

 

Locating the Heater ....................................................................5,6

 

Hard Water ....................................................................................6

 

Clearances ....................................................................................6

 

Air Requirements ...........................................................................6

 

Venting .......................................................................................6,7

 

Vertical Venting - For GPG Models ...............................................7

 

Horizontal (Side-wall) Venting - For GPV Models ......................7,8

 

Direct Venting - For GPV Models .............................................9-11

 

Gas Piping ..............................................................................11-12

 

Gas Meter Size ............................................................................12

 

Gas Pressure Regulation ............................................................12

 

Gas Valves .............................................................................12,13

 

Water Line Connections ..............................................................13

 

Thermometers .............................................................................13

 

Relief Valve.................................................................... .............13

INSTALLATION DIAGRAMS ..........................................................14-17

 

Manifold Kits ................................................................................18

 

Heater Wiring ..............................................................................19

START UP ...........................................................................................19

 

Important .....................................................................................19

 

Filling ...........................................................................................19

 

Purging ........................................................................................19

 

Wiring Diagram .......................................................................20,21

 

Lighting and Operating Label ......................................................22

 

Sequence of Operation ...............................................................23

 

Water Temperature Control .........................................................23

 

Adjustment Procedure (Initial Start-Up) ..................................23,24

 

Adjustment Procedure for Fire-Rate, Low Nox and

 

High Elevation (Fine-Tune) .....................................................24-26

GENERAL INFORMATION ..................................................................27

 

Power Burner ..............................................................................27

 

Thermostat ..................................................................................27

 

High Limit ....................................................................................27

MAINTENANCE ..................................................................................27

 

General ........................................................................................27

 

Maintenance Schedule ................................................................27

 

Electrical Servicing ......................................................................27

 

Flushing .......................................................................................27

 

Draining .......................................................................................28

 

Sediment Removal ......................................................................28

 

Lime Scale ...................................................................................28

 

Relief Valve.............................................................................28,29

 

Circulating Pump .........................................................................29

 

Low Emission Power Burner .......................................................29

 

Cleaning Flues ............................................................................29

 

Barometric Draft Control ..............................................................29

 

Vent System ................................................................................29

CHECKLIST AND SERVICE INFORMATION ................................29-30

TROUBLESHOOTING ...................................................................30-32

 

Replacement Parts ......................................................................32

WARRANTY  .......................................................................................33

PARTS LIST ...................................................................................34-39

In addition to these instructions, the equipment shall be installed 
in accordance with those installation regulations in accordance 
with those installation regulations in force in the local area where 
the installation is to be made.  These shall be carefully followed 
in all cases.  Authorities having jurisdiction should be consulted 
before installations are made.

In the absence of local codes, the installation must conform with 

the instructions as outlined in the latest publication of  National Fuel 

Gas Code (NFPA-54/ANSI Z223.1) and  National Electric Code 

(NFPA-70).  These manuals can be purchased from the Canadian 

Standards Association Laboratories, 8501 East Pleasant Valley 

Road, Cleveland, OH  44131, National Fire Protection Association, 

1 Batterymarch Park, Quincy MA 02269.