Instruction/ maintenance manual of the product SIT119 Lochinvar
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Installation & Operation Manual Models: SIT030 - SIT119 This manual must only be used by a qualified heating installer / service technician. Read all instructions before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.
2 Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk level s or to important information concerning the life of the product.
Installation & Operation Manual Please read before proceeding Installer – Read all instructions before installing. Perform steps in the order given. Have this indirect water heater serviced/ inspected by a qualified service technician, at least annually.
Installation & Operation Manual 1 General information The Lochinvar SIT series indirect water heater (FIG. 1-1) is designed to generate domestic hot water in conjunction with a hot water boiler using forced boiler water circulation.
Installation & Operation Manual 5 2 Pre-installation 1. The installation must conform to the instructions in this manual and all applicable local, state, provincial, and national codes, laws, regulations, and ordinances. Installations in Canada must conform to B149.
Installation & Operation Manual 6 Multiple tank connections (boiler side) Multiple tank installations must be done in the “reverse-return” manner. The reason for this is to create the same pressure drop (and therefore, the same flow) through the coil of each tank.
Installation & Operation Manual 7 SOLUTION BOILER SQUIRE COLD WATE R IN TEMPERATUR E / PRESSURE GAUGE AIR SEPARATO R BALL VALVE (TYPICAL) UNION (TYPICAL) PRESSURE RELIEF VALVE DRAIN PO INT (TYPICA.
8 Installation & Operation Manual SOLUTION BOILER ANTI-SCALD MIX ING VALVE COLD WAT ER IN TEMPERATUR E / PRESSURE GAUGE AIR SEPARATO R BALL VALVE (TYPICAL) UNION (TYPICAL) PRESSURE RELIEF VALVE DR.
Installation & Operation Manual 9 KNIGHT BOILER DOMESTIC HOT W ATER CIRCULATOR BACKFLOW PREVENTER PRESSURE REDUCIN G VALVE PRESSURE GAUGE ANTI-SCALD MIXING V ALV E COLD WATE R IN TEMPERATUR E / PR.
Installation & Operation Manual 10 3 Boiler side piping KNIGHT BOILER DOMESTIC HOT W ATER CIRCULATOR TEMPERATURE / PRESSURE GAUGE UNION (TYPICAL) DRAIN DRAIN POINT (TYPICAL) HOT WA TER OUT BOILER .
Installation & Operation Manual 11 4 Domestic side (tank) piping Basic domestic piping Figure 4-2 on page 14 shows typical domestic water piping for a tank. The function of the components shown are as follows: a. Shut-off valves (recommended) - Used to isolate the tank for servicing.
12 Installation & Operation Manual 4 Domestic side (tank) piping Temperature & pressure (T&P) relief valve For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes.
Installation & Operation Manual 13 NOTICE Verify that the combination temperature and pressure relief valve complies with local codes. If the combination temperature and pressure relief valve does not comply with local codes, replace it with one that does.
14 Installation & Operation Manual 4 Domestic side (tank) piping EXPAN SION TANK UNION (TYPICAL) SHOCK ARR ESTOR SHUT-OFF VALVE SHUT-OFF VALVE BACKFLOW PREVENTOR SHUT-OFF VALVE SHUT-OFF VALVE ANTI.
Installation & Operation Manual 5 Wiring Indirect water heater sensor setup (Knight boiler) Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. CAUTION 1. Install the sensor inside the tank as depicted in FIG.
16 Installation & Operation Manual 5 Wiring Indirect water heater controlled using Aquastat and zone circulator / valve 1. Install Aquastat to tank. Aquastat control (TST20016) can be ordered from your local Lochinvar distributor. 2. Connect Aquastat to the zone controller for the Indirect Water Heater Zone.
Installation & Operation Manual 17 6 Start-up and check-out 1. Make sure the system is free of leaks and that air is purged from the system. CAUTION Fix any leaks found before proceeding further. Leakage from the boiler piping can result in severe damage to the boiler.
18 Installation & Operation Manual 7 Maintenance * Make sure that the rest of the boiler and domestic water piping is free of leaks. * If there is an oil lubricated circulator in the system, make sure it is lubricated as called for by the circulator manufacturer.
Installation & Operation Manual 19 8 Performance data Squire Indirect Water Heater I=B=R Rating Indirect Water Heater Model Number Potable Water Volume Gal.
Installation & Operation Manual 20 8 Performance data How to properly Size Your Indirect Water Heater Use the First Hour Rating (FHR) to properly size your Indirect Water Heater.
- Installation & Operation Manual 21 First Hour Rating - 180°F Boiler Loop Water (Knight Boiler - Models SIT030 - SIT050) Model SIT030 SIT040 SIT050 Circulator Flow GPM 5 8 12 16 20 5 8 12 16 20 .
Installation & Operation Manual 22 First Hour Rating - 180°F Boiler Loop Water (Universal Sizing - 45,000 - 295,000 Btu/hr) Model SIT030 SIT040 SIT050 Circulator Flow GPM 5 8 12 16 20 5 8 12 16 2.
Installation & Operation Manual 23 Table 8D First Hour Rating 200°F Boiler Loop Water (Universal Sizing) First Hour Rating - 200°F Boiler Loop Water (Universal Sizing - 45,000 - 295,000) Model S.
Revision Notes: Revision A (ECO C05265) initial release. Revision B (ECO C05399) reflects the addition of the Pressure Drop Chart and updates made to the Performance Data Charts.
An important point after buying a device Lochinvar SIT119 (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 SIT119 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 SIT119 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lochinvar SIT119 you will learn all the available features of the product, as well as information on its operation. The information that you get Lochinvar SIT119 will certainly help you make a decision on the purchase.
If you already are a holder of Lochinvar SIT119, 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 SIT119.
However, one of the most important roles played by the user manual is to help in solving problems with Lochinvar SIT119. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lochinvar SIT119 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
