Table Of Contents - State Water Heaters SUF-100-250 Instruction Manual

SAFE iNSTALLATiON, USE AND SErViCE.......................................... 3
GENErAL SAFETy iNFOrmATiON ...................................................... 4
Precautions ........................................................................................ 4
iNTrODUCTiON .................................................................................... 6
Qualifications ..................................................................................... 6
iCOmm™ & BACnet Compatible ....................................................... 6
Preparing For The installation ........................................................... 6
FEATUrES AND COmPONENTS ......................................................... 7
Basic Operation ................................................................................. 7
Top Views .......................................................................................... 8
Side Views ....................................................................................... 10
iNSTALLATiON CONSiDErATiONS ....................................................11
Rough In Dimensions .......................................................................11
recovery Capacities ........................................................................ 12
Locating The Water Heater .............................................................. 12
Clearance To Combustible materials ........................................................13
Service Clearance ....................................................................................13
Insulation blankets .......................................................................... 13
INSTALLATIoN REqUIREmENTS ...................................................... 14
Gas Pressure Requirements ........................................................... 14
Supply Gas Line .............................................................................. 14
Supply Gas Regulator ..................................................................... 14
Power Supply .................................................................................. 14
mixing Valves ................................................................................... 15
Dishwashing machines .................................................................... 15
Closed Water Systems .................................................................... 15
Thermal Expansion .......................................................................... 15
Temperature-Pressure Relief Valve ................................................. 16
Condensate Drain ............................................................................ 17
Air Requirements ............................................................................. 18
Commonwealth of massachusetts ................................................... 21
VENTING INSTALLATIoN ................................................................... 22
General Venting Information ............................................................ 22
Category iV Appliance ..............................................................................22
Power Vent Configuration .........................................................................22
Direct Vent Configuration ..........................................................................22
General Venting instructions ........................................................... 22
Venting Requirements ..................................................................... 24
maximum Equivalent Lengths ..................................................................24
minimum Equivalent Lengths ...................................................................24
maximum Number Of Elbows ...................................................................24
Venting installation Sequence ......................................................... 25
Power Vent installation .................................................................... 25
Direct Vent installation ..................................................................... 25
Vertical Termination installation ....................................................... 27
Sidewall Termination installation...................................................... 29
Concentric Termination installation .................................................. 30
multiple Concentric Termination Clearances ...........................................32
multiple Concentric Termination Arrangements ........................................33
Venting Arrangements ..................................................................... 34
Termination Clearances Sidewall Power Vent ................................. 36
Termination Clearances Sidewall Direct Vent .................................. 37
WATER HEATER INSTALLATIoN ........................................................ 38
Condensate Drain installation ......................................................... 38

table of contents

Supply Gas Line Installation ............................................................ 39
Supply Gas Regulator Installation ................................................... 40
Electrical Wiring ............................................................................... 41
Water Line Connections .................................................................. 42
T&P Valve Discharge Pipe ............................................................... 42
TEmPERATURE REGULATIoN .......................................................... 43
High Temperature Limit Control (ECO) ............................................ 43
Thermostat Control .......................................................................... 43
CONTrOL SySTEm OPErATiON ...................................................... 44
Control System Navigation .............................................................. 44
User Settings & Control System menus .......................................... 47
START UP ............................................................................................ 52
Initial Start Up .................................................................................. 52
Checking The Firing rate ................................................................ 55
High Altitude installations ................................................................ 55
LIGHTING THE WATER HEATER ....................................................... 56
Lighting & operation Labels ............................................................ 56
TRoUbLESHooTING ......................................................................... 58
installation Checklist ........................................................................ 58
Sequence Of Operation ................................................................... 58
Sequence Of Operation Flow Chart ................................................ 59
operational Problems ...................................................................... 60
Fault And Alert Conditions ............................................................... 61
mAiNTENANCE ................................................................................... 64
maintenance Schedule .................................................................... 64
DIAGRAmS .......................................................................................... 67
CCB - Central Control Board Layout ............................................... 67
SUF 120 & 150 Wiring Diagram ...................................................... 68
SUF 199 & 250 Wiring Diagram ...................................................... 69
Circulation Pump Wiring Diagrams .................................................. 70
Water Piping Diagrams .................................................................... 71
LimiTED WArrANTy .......................................................................... 78
2
Power Supply Connections ......................................................................41
Enable/Disable Circuit ..............................................................................41
The Desktop Screen .................................................................................44
Status icons ..............................................................................................45
Temperatures menu ..................................................................................47
Heater Status menu ..................................................................................48
Display Settings ........................................................................................49
Heater Information ....................................................................................49
Current Fault .............................................................................................50
Fault History .............................................................................................50
Fault Occurrence ......................................................................................50
restore Factory Defaults ..........................................................................50
Service Contact information .....................................................................51
Supply Gas Pressure Adjustment .............................................................54
manifold Gas Pressure Adjustment ..........................................................54
rough Starting, rough Operation ............................................................60
momentary Ignition ...................................................................................60
Not Enough or No Hot Water ...................................................................60
Fault Conditions ........................................................................................61
Alert Conditions ........................................................................................61
resetting Control System Lock Outs ........................................................61
Diagnostic Checks ....................................................................................61
Fault And Alert messages .........................................................................62