Instruction/ maintenance manual of the product CG200 Lochinvar
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1 MODEL S CG(N,L)1 50 & CG(N ,L)200 COMMERCIAL GAS, GLASS-LINED, T ANK-TYPE W A TER HEA TER •INST ALLA TION •OPERA TION •MAINTENANCE•LIMITEDW ARRANTY PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE.
2 FOREWORD These designs comply with ANSI Z21.10.3 as a Booster type water heater . Detailed installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and methods of piping necessary .
3 GENERAL SAFETY INFORMA TION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY P ART HAS BEEN UNDER W A TER. Immediately call a qualied service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water .
4 OPERA TION OF THESE F ANS CAN PRODUCE A NEGA TIVE DRAFT IN THE AREA OF THE W A TER HEA TER PREVENTING THE PRODUCTS OF COMBUSTION FROM EXHAUSTING THROUGH THE CHIMNEY OR VENT PIPE.
5 possibility of changing the orientation by accidentally overtightening the inlet supply . Improper orientation of the Eliminator may cause temperature buildup issues or spells of colder than usual water temperatures. HIGH LIMIT SWITCH The dig ital t her most at ( see Figu re 3 ) co ntains t he high lim it ( ener gy cutof f) s ensor .
6 INST ALLA TION INSTRUCTIONS REQUIRED ABILITY INST ALLA TION OR SERVICE OF THIS W A TER HEA TER REQUIRES ABILITY EQUIV ALENT TO THA T OF A LICENSED TRADESMAN IN THE FIELD INVOL VED. PLUMBING, AIR SUPPL Y , VENTING, GAS SUPPL Y AND ELECTRICAL WORK ARE REQUIRED.
7 CAUSING CARBONING OR SOOTING OF THE COMBUSTION CHAMBER, BURNERS AND FLUE TUBES AND CREA TES A RISK OF ASPHYXIA TION. Where an exhaust fan is supplied in the same room with a heater , sufcient openings for air must be provided in the walls.
8 FIGURE 7 • Where a separate vent connection is not available and the vent pipe from the heater must be connected to a common vent with an oil burning furnace, the vent pipe should enter the smaller common vent or chimney at a point above the large vent pipe.
9 GAS PIPING Contact your local gas service company to ensure that adequate gas service is available and to review applicable installation codes for your area. Size the main gas line in accordance with T able 2. The gures shown are for straight lengths of pipe at 0.
10 Do not subject the combination gas valve to inlet gas pressures of more than 14.0” W .C. - natural gas. A service regulator is necessary if higher gas pressures are encountered.
11 INST ALLA TION DIAGRAMS GENERAL The type, size and location of the relief valves must be in accordance with local codes. The locations of the relief valves shown in the installation diagrams are typical. The heater has a factory installed high temperature limit switch and temperature and pressure relief valve.
12 VERTICAL ST ORAGE T ANK AND FORCED CIRCULA TION DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE W A TER TEMPERA TURE CONTROL W ARNING ON P AGE 20. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSAR Y T O OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI-SCALD V AL VE FOR HOT W A TER SUPPLIED TO FIXTURES.
13 DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE W A TER TEMPERA TURE CONTROL W ARNING ON P AGE 20. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSAR Y TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI-SCALD V AL VE FOR HOT W A TER SUPPLIED TO FIXTURES.
14 INST ALLA TION DIAGRAMS-SIDE INLET/OUTLET USAGE DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERA TURE CONTROL W ARNING ON P AGE 20. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSARY TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI-SCALD V ALVE FOR HOT W A TER SUPPLIED TO FIXTURES.
15 ONE OR TWO TEMPERA TURE - ONE HEA TERS,HIGH TEMPERA TURE STORAGE WITH OR WITHOUT RECIRCULA TION HEA TER WITH OR WITHOUT MIXING V AL VE HEA TER WITH MIXING V AL VE AND RECIRCULA TED SANITIZING LOOP NO TE 1 : T OGGLE SWITCH CONTROLS 180°F (82°C) W A TER CIRCULA TION.
16 TWO TEMPERA TURE - TWO PRE-HEA TERS WITH MIXING V AL VE OR BOOSTER HEA TER WITH OR WITHOUT BUILING RECIRCULA TION TWO PRE-HEA TERS WITH MIXING V AL VE TWO PRE-HEA TERS WITH BOOSTER HEA TER DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES.
17 MEDIUM TEMPERA TURE - ONE HEA TER WITH AUXILIAR Y ST ORAGE T ANK FORCED CIRCULA TION WITH OR WITHOUT BUILDING RECIRCULA TION VERTICAL ST ORAGE T ANK HORIZONT AL ST ORAGE T ANK DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERA TURE A T FIXTURES.
18 OPERA TION IMPORT ANT A qualied person must perform the initial ring of the heater . At this time the user should not hesitate to ask the individual any questions which they may have in regard to the operation and maintenance of the unit. An Operational Checklist is included at the rear of this manual.
19 A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner . Do not try to light the burner by hand.
20 be set for 120° to 180°F water temperature, but 120°F is the recommended starting point. It is suggested the dial be placed on the lowest setting which produces an acceptable hot water supply . This will always give the most energy efcient operation.
21 NOTE: 1. Remove main burners from unit. 2. Check that burner venturi and ports are free of foreign debris. 3. Clean burners with bristle brush and/or vacuum cleaner - DO NOT distort burner ports or pilot location. 4. Reinstall burners in unit. Make sure front and rear of burners are installed correctly in burner support brackets.
22 RELIEF V AL VE At least once a year , the temperature and pressure relief valve should be checked to ensure that it is in operating condition. Lift the lever at the top of the valve several times until the valve seats properly and operates freely .
23 Example 2: If initial inspection after 6 months shows 2” of lime accumulation. Therefore, the heater should be delimed every 3 months. FIGURE 14 DELIMING SOL VENTS Hydrochloric base acids are not recommended for use on glass lined tanks. CAUTION Observe handling instructions on label of product bein g used.
24 VERIFY PROPER OPERA TION AFTER SER VICING. REPLACEMENT P ARTS Replac eme nt par ts may be o rdere d t hrou gh Lo chi nvar deale rs, auth or ized ser v ic ers or dist rib utor s.
25 SEQUENCE OF OPERA TION FLOW CHART Description of this ow chart can be found in the “SEQUENCE OF OPERA TION” section found on page 18. Switch power on to unit.
26 OPERA TIONAL CHECKLIST This checklist in conjunction with “TROUBLESHOOTING” and the “SEQUENCE OF OPERA TION” should be used as an on-the-job troubleshooting guide to identify the cause of incorrect system operation and suggest a remedy for its correction.
27 Limited Warranty 1 . THE TANK I f the glass-lin ed tank in this water heate r shall pro ve upon exa mination by t he w arrantor to have leaked due to natural corr osion f ro m potable w ater therei.
28 Copyright © 201 1 Lochinvar , LLC, All rights reserved. 300 Maddox Simpson Parkway Lebanon, TN 37090 Phone: 615-889-8900 • Fax: 615-547-1000 T echnical Service email: 2tech@lochinvar .
An important point after buying a device Lochinvar CG200 (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 CG200 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 CG200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lochinvar CG200 you will learn all the available features of the product, as well as information on its operation. The information that you get Lochinvar CG200 will certainly help you make a decision on the purchase.
If you already are a holder of Lochinvar CG200, 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 CG200.
However, one of the most important roles played by the user manual is to help in solving problems with Lochinvar CG200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lochinvar CG200 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
