Trinity TxModel Numbers: Tx 51 - 200Version Date: 2014-08-28INSTALLATION AND OPERATIONINSTRUCTIONS FOR TRINITY Tx BOILERTABLE OF CONTENTS1.0 INTRODUCTION ................................................................................................................ 32.0 SPECIFICATIONS .............................................................................................................. 63.0 BOILER LOCATION .......................................................................................................... 74.0 GENERAL VENTING ....................................................................................................... 105.0 VENT/AIR-INLET TERMINATION CLEARANCES ..................................................... 246.0 CONDENSATE DRAIN .................................................................................................... 277.0 INSTALLING GAS PIPING .............................................................................................. 298.0 LIGHTING THE BOILER ................................................................................................. 319.0 GAS VALVE AND BURNER SET-UP ............................................................................ 3410.0 BOILER AND HEATING SYSTEM PIPING ................................................................... 3711.0 DOMESTIC HOT WATER (DHW) PIPING – TX151C & TX200C (COMBI) ............... 4812.0 FIELD WIRING ................................................................................................................. 5213.0 CASCADE INSTRUCTIONS ............................................................................................ 5514.0 WIRING SCHEMATICS ................................................................................................... 5715.0 INSTALLATION CHECKLIST ........................................................................................ 5916.0 ANNUAL MAINTENANCE AND INSPECTION ........................................................... 6017.0 DISPLAY MENU GUIDE ................................................................................................. 6218.0 TROUBLESHOOTING ..................................................................................................... 7419.0 PARTS LIST ...................................................................................................................... 77HAZARD SYMBOLS AND DEFINITIONSDanger Sign: Indicates a hazardous situation which, if not avoided, willresult in serious injury or death.Warning Sign: Indicates a hazardous situation which, if not avoided,could result in serious injury or death.Caution Sign plus Safety Alert Symbol: Indicates a hazardous situationwhich, if not avoided, could result in minor or moderate injury.Caution Sign without Safety Alert Symbol: Indicates a hazardoussituation which, if not avoided, could result in property damage.Notice Sign: Indicates a hazardous situation which, if not avoided,could result in property damage.This Boiler must be installed by a licensed and trained HeatingTechnician or the Warranty is Void. Failure to properly install thisunit may result in property damage, serious injury to occupants, or possibly death.NTI # 84874NEW PRODUCT LINEHigh EfficiencyCondensing Gas BoilerH