Heatrae Sadia Electromax Installation Guide - Advanced Water

More documents

Recommendations

Info

diagnose problems with the Electromax unit. These checks should be carried out by a competent installer or an authorized Heatrae Sadia service engineer or agent. A range of replacement parts (see Section 9.2) is available should any major component be suspected as faulty. The instructions in Section 9.2 detail how to remove and replace key components and assemblies. Observe all safety warnings before removing any components, if in doubt contact Heatrae Sadia for further advice. Diagram 23 Electric Boiler Fault Finding Supply Faults BOILER ELEC TR ICAL SUPPLY FAULT FINDING IS 240V SUPPLY AT 24 HOUR & 45AMP TERM INALS YES DOES THE CH ON SW ITCH ILLUM INATE W HEN ON YES NO NO NO CHECK ELECTRICAL SUPPLIES CHECK SW ITCH CHECK FOR SHORT CIRCUITS.IF OK REPLACEFUSEFS1 Diagram 22 Electric Boiler Fault Finding Master ELECTRIC BOILER NOT W ORKING IS CH SW ITC H O N & ILLU M INATED NO GO TO SUPPLY FAU LT FINDING SECTION YES IS THERE 8V DC O N C1ON CONTROL PCB YES NO REPLACE THE CONTROLPCB YES REPLACE THE STATUS DISPLAY PCB IS THE ALARM STATUS INDICATOR ILLU M INATED YES GO TO ALARM FAU LT FINDING SECTION Diagram 24 Electric Boiler Fault Finding Alarm 1 NO ALARM TRIPS ON POW ER UP.BOTH DEMAND AND ALARM INDICATORS ARE RED IS THE BOILER H O T NO IS THE DEMAND STATUS INDICATOR FLASHING YES NO GO TO DEMAND INDICATOR FAULT FINDING SECTION YES IS THE PUM P RUNNING YES RUN SYSTEM IN ALARM M ODE TO ALLOW PUM P TO COOLSYSTEM BEFORE RESETTING DOES THE DEM AND INDIC ATO R STO P FLASHING AFTER 3MINS NO GO TO DEMAND INDICATOR FAULT FINDING SECTION NO HAS THE 3 AM P PANEL MOUNTED FUSE BLOW N YES REPLACE FUSE YES NO NO CHECK FOR PRIMARY WATERFLOW NO CHECK SERVICE VALVES ARE OPEN. CHECK AND REPLACE PUM P YES YES REPLACE THE CONTROLPCB YES NO CHANGE MAIN PCB IS CONN 3 OPEN CIRCUIT NO THERE IS NOWATER IN THE SYSTEM . SW ITC H O FF IMMEDIATELY. CHECK AND REFILL BEFORE RESTARTING NOTE: DO NOT CHECK ELEM ENT RESISTANCE W ITH PO W ER ON CHECK EACH BOILER ELEM ENT ISAPPROX. 19 O H M S YES CHECK AND REPLACE THE O VER- TEM PERATURE SW ITCHCONN3 30 Installation & Servicing Instructions
Diagram 25 Electric Boiler Fault Finding Alarm 2 Diagram 28 Electric Boiler Fault Finding Demand Faults 1 ALARM TRIPS DURING SELF CHECKING BUT NOT INSTANTLY THERE IS NO W ATER IN THE SYSTEM . SW ITCH O FF IMMEDIATELY. CHECK AND REFILL BEFORE RESTARTING DEMAND INDICATOR FAULTS IS THERE 240V AT TH E ROOM THERMOSTAT CONNECTIONS NO CHECK 3 AM P PANEL MOUNT FUSE CHECK PROG.ROOM IS CALLING FOR HEAT Diagram 26 Electric Bolier Fault Finding Alarm 3 ALARM TRIPS AFTER AFEW MINUTES OF OPERATION IS THE PUM P RUNNING NO HAS THE 3 AM P PANEL MOUNTED FUSE BLOW N YES YES CHECK FOR A FLOW RESTRICTION. CHECK THE BYPASS, ISOLATING AND RADIATO R VALVES ARE OPEN.CHECK FO R AIR IN SYSTEM . REPLACE FUSE YES IS THERE 240V BETW EEN RANDNON CONTROL PCB YES YES NO NO CHECK W IRING NEUTRALMUST BE CONNECTED TO N ON CONTROL CONNECTOR NO REPLACE THE CONTROLPCB IS THE PUM P NEON ON CONTROLPCB ILLUM INATED NO YES CHECK AND OPEN PRIMARYISOLATING VALVES. CHECK AND REPLACE PUM P Demand Faults 2 IF THEPUMPNEON ON CONTROLPCB DOES NOT ILLUM INATE W HEN DEMAND IS ILLUM INATED REPLACE THE CONTROLPCB DEMAND INDICATOR STILL FLASH ING AFTER 3 M INUTES DOES THE M AIN RCD TRIP YES NO CHANGE THE CONTROLPCB Alarm 4 ALARM TRIPS OCCASIONALLY DOES THE ALARM TRIP ONADAILY BASIS NO YES CHECK FLOW AND PRESSURE.CHECK FOR TEMPORARY RESTRICTIONS TO FLO W .CHECK CONNECTIONS TO OVER-TEM PERATURE DEVICE CONN 3. CHANGE CONTROL PCB CHECK THE INSULATION OF THE BO ILER ELEM ENTS CHECK FLOW AND PRESSURE.CHECK FO R TEM PO RARY RESTRICTIONS TO FLO W .CHECK CONNECTIONS TO OVER-TEM PERATURE DEVICE CONN 3. RESET. Alarm Reset To reset the unit after an ALARM condition: a. Switch off the electrical supply b. Correct the fault, check the system is full of water, is set to the correct pressure and primary circuit. c. Switch the electrical supply back on. Note There are two different types of status display status display PCB must be used on the Un- Radiator Model. (see Diagram 39) Installation & Servicing Instructions 31
Page 1 and 2: ELECTROMAX Combined Electric Flow B
Page 3 and 4: 1.0 Introduction 1.1 Important Note
Page 5 and 6: 2.0 Technical Data Specification /f
Page 7 and 8: Diagram 2 Key Components Primary Sy
Page 9 and 10: 3.0 General Requirements 3.1 Locati
Page 11 and 12: For optimum performance after insta
Page 13 and 14: 4.3 Cable Entry Positions The elect
Page 15 and 16: 5.4 Balanced Cold Water Supplies It
Page 17 and 18: Worked example of discharge pipe si
Page 19 and 20: 6.0 Installation - Electrical 6.1 I
Page 21 and 22: 6.3 Boiler Connection (45 Amp) The
Page 23 and 24: Circuit in accordance with BS 759
Page 25 and 26: Hot Water “BOOST” On Indictator
Page 27 and 28: 8.0 Maintenance 8.1 Maintenance req
Page 29: Top Panel Primary Expansion Vessel
Page 33 and 34: Diagram 32 Water Heater Fault Findi
Page 35 and 36: A range of replacement parts is ava
Page 37 and 38: WARNING: DISCONNECT FROM ALL ELECTR
Page 39 and 40: Valve (see Diagram 42) a. Drain pri
Page 41 and 42: Control PCB a. Remove cover from ov
Page 43 and 44: 10.0 Guarantee This product is guar

Heatrae Sadia Electromax Installation Guide - Advanced Water

Create successful ePaper yourself

Delete template?

Save as template?