Instruction/ maintenance manual of the product SDT/SET065 - 119 Lochinvar
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Installa tion & Oper a tion Manual Models: SDT/SET065 - 119 T h i s m a n u a l m u s t o n l y b e u s e d b y a qualified heating installer / serv ice technician. R ead all instructions before installing. P erform steps in the order given. Failure t o comply could result in sever e personal injur y , death, or substantial property damage.
Hazar d definitions The following defined terms are used thr oughout this manual to bring attention to the presenc e of hazards of var ious risk level s or to important information concerning the life of the product.
SDT/SET Installation & Operation Manual Please r ead bef or e pr oceeding Installer – R ead all inst ructions before installing. P erform steps in the order giv en. Ha ve this indirect water heat er serv iced/inspected by a qualified service technician, at least annually .
1 Gener al Infor mation The Lochin var SDT/SET ser ies indirect water heat er (FIG. 1-1) is desig ned to generate domestic hot water in conjunction with a solar panel using forced circulation with a backup heat source.
5 2 Pre-installation 1. The installation must conform t o the instructions in this manual and all applicable local, state, provincial, and national codes, la ws, r egulations, and ordinances. Installations in Canada must c onform to B149.2 Installation Code.
6 Multiple T ank Connections (Boiler Side) M ultiple tank installations must be done in the “r e verse-r etur n ” manner . The reason for this is to create the same pr essure drop (and therefore, the same flow) thr ough the coil of each tank. The boiler manifold piping must be sized so that each c oil has the flow rate called for in T able 3B.
7 SDT/SET Installation & Operation Manual SOLAR CO IL 0.00 2.00 4.00 8.00 SDT / SET065 - 080 FRICTION LOSS 10.00 BOILER COIL 6.00 HD FT/ SOLAR COIL BOILER COIL 0.00 2.00 4.00 6.00 8.00 10.00 5 8 12 16 20 FT/HD SDT / SET065 - 080 FRICTION LOSS GPM T able 3A Pressure Dr op Char t SDT/SET065-080 T able 3C Pressure Dr op V alues MODEL COIL CONN.
SDT/SET Installation & Operation Manual 8 SOLUTION BOILER SQUIRE COLD WAT ER IN TEMPERATURE / PRESSURE GAUGE AIR SEPARATO R BALL VALVE (TYPICAL) UNION (TYPICAL) PRESSURE RELIEF VALVE DRAIN PO INT .
Installation & Operation Manual 9 SOLUTION BOILER SQUIRE COLD WA TER IN TEMPERATURE / PRESSURE GAUGE AIR SEPARATOR BALL VALVE (TYPICAL) UNION (TYPICAL) PRESSURE RELIEF VALVE DRAIN POINT (TYPICAL) .
SDT/SET Installation & Operation Manual 10 KNIGHT BOILER DOMESTIC HOT W ATER CIRCULA TOR BACKFLOW PREVENTER PRESSURE REDUCING V AL VE PRESSURE GAUGE ANTI-SCALD MIXING V AL VE COLD WA T E R IN TEMP.
SDT/SET Installation & Operation Manual 11 PRESSURE REDUCING V AL VE PRESSURE GAUGE BACKFLOW PREVENTER MAKE UP WA TER AIR SEP ARA TOR SYSTEM SUPPL Y SENSOR TO SYSTEM BALL V AL VE (TYPICAL) SYSTEM .
SDT/SET Installation & Operation Manual 12 4 Domestic Side (T ank) Piping Basic Domestic Piping Figure 4-2 on page 15 sho ws ty pical domestic water piping for a tank. The func tion of the components sho wn are as follows: a. Shut-off valves (rec ommended) - U sed to isolate the tank for serv icing.
SDT/SET Installation & Operation Manual 13 4 Domestic Side (T ank) Piping (continued) T emperature & Pressur e (T&P) Relief V alv e For pr otection against exc essiv e temperatures and pr .
SDT/SET Installation & Operation Manual 14 NOTICE V er ify that the combination temperature and pressur e relief valve complies with local codes. If the combination te mperature and pressure relief valve does not comply with local codes, replace it with one that does.
SDT/SET Installation & Operation Manual 15 EXPAN SION TANK UNION (TYPICAL) SHOCK ARR ESTOR SHUTOFF VALVE SHUTOFF VALVE BACKFLOW PREVENTOR SHUTOFF VALVE SHUTOFF VALVE ANTI-SCALD MIX ING VALVE DRAIN.
SDT/SET Installation & Operation Manual RESET BUT TON THERMOST A T DIAL POINTER T HERMOST A T PROTECTIVE COVER 16 5 W iring Electrical Connection (Squire solar wate r heater with electr ic back up only -- SET models only) Be sure to ground the wat er heater .
Installation & Operation Manual 5 W iring (continued) 17 Figure 5-2 Combination Thermostat and High Limit Control, SET 065-SET1 19 RD BK GR RD BK BK RD SERVICE GROUND SCREW GROUND SCREW HIGH LIMIT.
SDT/SET Installation & Operation Manual 18 5 W iring Indirect Water Hea ter Sensor Setup (Knight Boiler) Label all wires prior to disconnection when serv icing controls. W iring er rors can cause impr oper and dangerous operation. CAUTION 1. Install the sensor inside the tank as depicted in FIG.
SDT/SET Installation & Operation Manual 19 5 W iring (continued) Indirect Water Hea ter Contr olled Using Aquastat and Zone Circulator / V alv e 1. Install Aquastat to tank. A quastat control (TST20016) can be ordered fr om your local Lochin var distributor .
SDT/SET Installation & Operation Manual 20 6 Star t-up and Check-out 1. Mak e sure the system is free of leaks and that air is purged from the system. CAUTION Fix any leaks found befor e proceeding further . Leakage fr om the boiler piping can result in sever e damage to the boiler .
SDT/SET Installation & Operation Manual 7 Maintenance * M ake sur e that the rest of the solar , boiler and domestic water piping is free of leaks. * If there is an oil lubricated circulator in the system, make sur e it is lubr icated as called for by the circulator man ufacturer .
SDT/SET Installation & Operation Manual 22 8 P erfor mance Da ta T able 8B SDT Backup Recovery Performance How to Proper l y Size Y our Indir ect Water Hea ter U se the First Hour Rating (FHR) to pr operly size your I ndirect W ater H eater .
SDT/SET Installation & Operation Manual T able 8D First Hour Rating - 180°F Boiler Loop Water (Universal Sizing. Upper Coil SDT Models) First Hour Rating - 180°F Boiler Loop Wa ter (Univ er sal .
SDT/SET Installation & Operation Manual T able 8E First Hour Rating 200°F Boiler Loop Water (Universal Sizing, Upper Coil SDT Models) First Hour Rating - 200°F Boiler Loop Wa ter (Univ er sal Si.
SDT/SET Installation & Operation Manual 25 9 High Output Piping High Domestic Hot Wa ter Usa ge W hen a large amount of hot water is requir ed by a Domestic Hot W ater system, the dual coil indir ect water heater can be piped together when give n the high volume needed to satisfy the high load demands.
SDT/SET Installation & Operation Manual 26 9 High Output Piping PRESSURE REDUCING V AL VE PRESSURE GAUGE BACKFLOW PREVENTER MAKE UP WA TER SYSTEM SUPPL Y SENSOR AIR SEP ARA TOR TO SYSTEM BALL V AL.
SDT/SET Installation & Operation Manual 27 9 High Output Piping (continued) BACKFLOW PREVENTER PRESSURE REDUCING VA LV E PRESSURE GAUGE MAKE UP WA TER SYSTEM SUPPL Y SENSOR AIR SEP ARA TOR TO SYSTEM FROM SYSTEM HOT WA TER OUT NOT T O EXCEED 4 PIPE DIA.
Revision Notes: Revision A (ECO C05788) initial release. Revision B (ECO C05936) reflects the addition of “High Output Piping” section on pages 25-27, Series and Parallel piping diagrams on pages 26-27, and new friction loss charts for SDT Series and Parallel on pages 26 and 27.
An important point after buying a device Lochinvar SDT/SET065 - 119 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lochinvar SDT/SET065 - 119 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lochinvar SDT/SET065 - 119 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lochinvar SDT/SET065 - 119 you will learn all the available features of the product, as well as information on its operation. The information that you get Lochinvar SDT/SET065 - 119 will certainly help you make a decision on the purchase.
If you already are a holder of Lochinvar SDT/SET065 - 119, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lochinvar SDT/SET065 - 119.
However, one of the most important roles played by the user manual is to help in solving problems with Lochinvar SDT/SET065 - 119. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lochinvar SDT/SET065 - 119 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
