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Bradford-White Corp Solar Water Heater with Electric Backup manual

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Table of contents for the manual

  • Page 1

    Save this manual for future reference Manual 238-47297-00A SERVICE MANUAL Troubleshooting Guide and Instructions for Service (To be performed ONLY by qua lified servi ce providers) Models Covered by This Manual: S-SW2-60R 6DS S-SW2-75R6DS S-SW2-115R6DS Solar Saver ® Heaters Solar Water Heater With Electric Backup ®[...]

  • Page 2

    Table of Conte nts Page Service Procedure Introduction ………………………………………………………………………. 2 Tools……………………………………………………………………………… 2 General Information ……………………………………………………………… 3 - - - Sequence of[...]

  • Page 3

    G ENERAL INFORMATION 240 V OLT Ungroun ded Ungroun ded Groundin g BLACK RED GR EEN 240 120 120 Servic e Wire Configuration Single P hase Amps = Watts Exampl e 4500W/240V = 18.75A Volts Watts = A mps x Volts Exam ple 18.75A x 240V = 4500W Ohms = V olts Example (240V ) / 4500W = 12 .8 Ohms Watts 2 2 Common ly Used For mulas Page 3 Wattage Limitation [...]

  • Page 4

    G ENERAL INFORMATION Upper thermostat Surf ac e Mou nt With E CO ( high l imit) 89T S eries Ma nu al ECO ( high limi t) Res et bu tto n T empe ra tur e co ntro l D ial Lowe r th ermos tat Surfac e Moun t 59T Seri es Surface M ounted The rmostats Surface m ounted thermos tats ar e mounted into a br acket whi ch holds the th ermostat ag ainst the s i[...]

  • Page 5

    Non- Simultaneous Operation Non -Si mul tane ou s M ode: Allows on ly one heating ele ment to ope rate at a time. For ex ample, whe n the tank is col d, the upper el ement is energi zed firs t, heating th e top of the tan k. Only when the upper ther mostat is sati sfied , the upper element i s de-energiz ed and power is dir ected to th e lower ther[...]

  • Page 6

    T ROUBLESHOOTING Most com mon cause for improper el ectric backup o peratio n can be linked t o heating el ement failur e. When troubles hooti ng an elect ric backup solar water h eater with th e incidence of “No Hot W ater” or “I nsuffi cient Amount of Hot Water ”, it’s alw ays a good idea to chec k the heating elem ents firs t follo win[...]

  • Page 7

    SYMPTOM PROBABLE C AUSE CORRECT IVE ACTION No Hot Water 1. No Po wer to he ater . 2. Lo os e wire conne ctio ns . 3 . Ino per ativ e uppe r hea tin g eleme nt. 4. Inop era ti ve u pp er the rm os ta t. 5 . Op en E CO. 6. I nope rat ive so la r contr oll er or con ne ctio n. 7. Inop era ti ve c irc u lator in s ola r h eati ng syst em. 1. Inop era t[...]

  • Page 8

    SERVICE PROCE DURE RE -I L ine Volta ge & High Limit (E C O) Tes ting WARNING High voltage exposure. U se cau tion when making volt age checks t o avoid perso nal injury. Line Vol ta ge Te stin g Illu str atio n 2 Illustrati on 3 1. Turn “OFF” power to water heat er. 2. R emove acce ss cover(s) from front of w ater heater. Re move insulati [...]

  • Page 9

    SERVICE PROCEDURE RE- II Heating Element Test ing Step 1. T URN OFF POWER TO WATER HEATER. Step 2. Remove a ccess cove rs from fron t of water heater . Remov e ins ulatio n an d plas tic c over from ther mos t at. Step 3. Disconnec t wi res f rom hea tin g elem ent. Step 4. S e t multi-me ter to “ohms” set ting. Step 5. T ouch pr obes of mult i[...]

  • Page 10

    W ARNING High vo ltage exp osure. Use c aution to avoid personal injury durin g this proced ure. Dou ble El eme nt , Non -Si mul tane ou s, S ingl e Ph ase Ope rat ion. Wa ter In T ank Is Co ld W ith Pow er ON. 1. This pro cedure assumes line voltage , ECO and elemen ts ar e in w orki ng or der. 2. Tu rn po wer “O N” t o water heater. 3. Set mu[...]

  • Page 11

    Do uble Eleme nt , No n-S imu ltan eou s, S ing le P hase Ope ra tion (c ontin ued ). Not En ough Ho t Water (c ontinue d). 7. Chec k voltage acros s terminal L4 of up per therm osta t and terminal 1 of lower thermo stat (see il lustration 9 ). A) Rated volt age NOT pres ent, - check wire c onnection b etween t hermostat s. B) Rated volt age IS pre[...]

  • Page 12

    SERV ICE PROCEDURE RE-I V Thermostat R emoval and Re placement Front View Ther mos tat M ounti ng Therm ostat Rem oval 1. Tu rn po wer “O FF” To water heater . 2 . Remove acces s cover and insulat ion . 3. Remove plast ic therm ostat prot ector from thermost at. 4. Disconn ect wires from t hermosta t termin als. It may be neces sary to labe l w[...]

  • Page 13

    SERVICE P ROCEDURE RE- V H eating E lement Removal and Replacement Hea ting Element R emoval 1 . Turn power “OFF” To wat er heat er. 2 . Turn o ff cold water suppl y to he ater. Conn ect hos e to drain spigot of water heat er and ro ute to an open d rain. O pen a nearb y hot water faucet t o vent hea ter for dr aining. Op en drain s pigot of wa[...]

  • Page 14

    Page 1 4 S tep 1 . Turn po wer “OFF ” to wa ter heater . Step 2 . Tur n off cold w ater su pply to hea ter. C onnect ho se to dra in spigot of water hea ter and r oute to a n open dr ain. Ope n a nearb y hot water faucet t o vent he ater for dr aining . Open drain spigot of wat er heater and allo w heat er to drain t o a point be low th e inlet[...]

  • Page 15

    Page 1 5 G eneric Part s List 1. Inte grate d Mixin g Device 2. Hex H ead Ano de 3. Junction Box Cover 4. Cover Co nduit/ Gro und 5. ¾" Plug 6. Hot Wate r Outlet/A node 7. Cold Wa te r Inlet Dip Tube 8. Access Cove r 9. The rmos tat P rot ector (L arg e) 10. Hea ti ng El emen t 11. T her mosta t M ountin g Br acket 12. T her mosta t w/ Hi gh [...]

  • Page 16

    Email parts@bradfordwhite.com techserv@bradfordwhite.com www .bradfordwhite.com[...]