Manuals / Lochinvar / Household Appliance / Water System

Lochinvar MP2, INS7141, INS7162, TST2313 installation instructions

Models: TST2313 INS7162 INS7141 MP2

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Lochinvar MP2, INS7141, INS7162, TST2313 installation instructions

Contents

INTRODUCTION ADDITIONAL FUNCTIONS INCLUDEINSTALLATION INSTRUCTIONS TABLE OF CONTENTS ADJUSTUSER INTERFACE MENUSYMBOL DESCRIPTION DISPLAYExternal Input Signal Offset Boiler Demand DHW / Setpoint Demand WWSDBoiler Reset Stand Alone DEFINITIONSSEQUENCE OF OPERATION SECTION A GENERAL OPERATIONAlarm Boiler AlarmCombustion Air C. A Fixed Lead RotationResetting the Rotation Sequence Resetting the Running TimesSECTION B STAGING OPERATION ModeFire Delay Lo / HiLo / Lo Fire DelaySECTION C PUMP OPERATION Fixed DifferentialAuto Differential Primary Pump PurgeSECTION D BOILER RESET OPERATION Boiler Pump PurgeFIG. temperature in the building This type of a hydronic radiant floor is embedded in either a thick concrete or gypsumpour. This heating system has a large thermal mass and is slow acting FIG SECTION E DOMESTIC HOT WATER OPERA- TION DHW DEMANDDHW MODE OFF - NO DHW When a DHW Demand is present, the Relay 9 / DHW con- tact terminals 30 and 31 is closed and the primary pump contact is closed. Priority can only be obtained using exter- nal wiring. During a priority override, the Relay 9 / DHW contact is opened until the heating system has recovered before returning to DHW operation, see Figure 19. This mode can be used if a DHW tank is piped in direct return and a DHW valve is installed SECTION F SET POINT OPERATION SECTION G EXTERNAL INPUT OPERATION SETP MODE 1 - Setpoint in ParallelSETP MODE 2 - Set Point in Parallel with Priority SETP MODE 3 - Primary Pump during Set Point0 - 10 V dc or 0 - 20 mA 2 - 10 V dc or 4 - 20 mAINSTALLATION 115 V ac PowerGeneral Boiler DemandCombustion Air / Alarm Contact C.A./Alarm Set Point DemandExternal Input 0 - 10 V dc Primary Pump Contact Prim P1UnOccupied Switch Relay 9 / DHWBoiler Return Sensor Outdoor SensorExternal Input Boiler DemandDHW Demand Set Point DemandCombustion Air or Alarm C.A. / Alarm Primary Pump Prim P1Relay 9 / DHW Relay 1 to RelayDIP SWITCH SETTINGS CLEANING THE CONTROLGENERAL Page Page Page This item is only available if the External Input / Stand Alone DIP switch is set to Stand Alone Stage Delay Boiler MinimumBoiler Maximum Boil Massm weather TESTING THE CONTROL ERROR MESSAGES TECHNICAL DATA is not a safety limit controlTYPICAL BOILER INSTALLATION TYPICAL BOILER INSTALLATION CONTINUED TYPICAL DWH PRIORITY HEATING PACKAGE SYSTEM Tekmar 150 Controller