Benutzeranleitung / Produktwartung HCG3 130T 300 des Produzenten American Water Heater
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COMMERCIAL GAS W A TER HEA TERS Instruction Manual PRINTED 0810 317646-002 PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE. Thank you for buying this energy efcient water heater . We appreciate your condence in our products.
2 Supply Gas Regulator Installation ................................................... 38 Electrical Wiring ............................................................................... 39 Power Supply Connections ..................................
3 SAFE INST ALLA TION, USE AND SERVICE The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard.
4 PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY P ART HAS BEEN UNDER W A TER. Immediately call a qualied service agency to inspect the appliance and to make a determination on what steps should be taken next. If the unit is exposed to the following, do not operate heater until all corrective steps have been made by a qualified service agency .
5 GENERAL SAFETY INFORMA TION Fire Hazard Do not install water heater on carpeted floo r. Do not operate water heater if flood damaged. For continued protection against risk of fire: Fire or Explosion Hazard Read instruction manual before installing, using or servicing water heater .
6 Thank Y ou for purchasing this water heater . Properly installed and maintained, it should give you years of trouble free service. ABBREVIA TIONS USED Abbreviations found in this Instruction Manual .
7 BASIC OPERA TION The water heaters covered in this manual have a helical coil shaped heat exchanger that is submerged in the storage tank. The water heater’s Main Burner is a radial design burner , it is mounted on the top and res downward through the heat exchanger .
8 Blower is operating properly . The control system monitors this switch and will disable heating operation if its contacts are closed before the Combustion Blower is energized or open any time during a heating cycle. See Sequence Of Operation on page 8.
9 operational buttons. Used to adjust various user settings and view operational information. See Control System Operation on page 42. 1 1. T emperature-Pressure Relief V alve. See T emperature- Pressure Relief V alve on page 15. 12. T emperature-Pressure Relief V alve discharge pipe - see T&P V alve Discharge Pipe Requirements: on page 15.
10 T ABLE 2 Model U.S. Gallons Liters ASME Standard ASME Standard (A)HCG-130300 130 1 19.9 492 453.8 (A)HCG-130400 130 1 19.9 492 453.8 (A)HCG-130500 130 1 19.9 492 453.8 Figure 6 These designs comply with the current edition of the American National Standard for Gas W ater Heaters, V olume III, ANSI Z21.
11 LOCA TING THE W A TER HEA TER Carefully choose a location for the new water heater . The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance. Property Damage Hazard All water heaters eventually leak.
12 EXTENDED VENT TERMINA TIONS The water heaters covered by this manual can be installed using 4 inch pipe for the intake air and/or vent piping up to a maximum of 70 equivalent feet (21.3 m). The intake air and/or vent piping can be extended up to 120 equivalent feet (36.
13 POWER SUPPL Y The water heaters covered in this manual require a 120 V AC, 1Ø (single phase), 60Hz, 15 amp power supply and must also be electrically grounded in accordance with local codes or , in the absence of local codes, with the National Electrical Code, ANSI/ NFP A 70 or the Canadian Electrical Code, CSA C22.
14 HO T WA TER OUTLET TO TA NK INLET CHECK VA LV E MIXING VA LV E COLD WA TER INLET TEMPERED WA TER OUTLET 12” TO 15” (30-38 cm) CHECK VA LV E Figure 8 The National Sanitation Foundation also recommends circulation of 180°F (82°C) water .
15 water in adequate quantities should circumstances demand. If the discharge pipe is not connected to a drain or other suitable means, the water ow may cause property damage. Wa ter Damage Hazard Te mperature-Pressure Relief V alve discharge pipe must terminate at adequate drain.
16 CONDENSA TE DRAIN The water heaters covered in this manual are condensing appliances and require a building drain to be located in close proximity to allow the condensate to drain safely . Condensate drains from the water heater at the exhaust elbow located at the bottom.
17 UNUSUALL Y TIGHT CONSTRUCTION In unconned spaces in buildings, inltration may be adequate to provide air for combustion, ventilation and dilution of ue gases. However , in buildings of unusually tight construction (for example, weather stripping, heavily insulated, caulked, vapor barrier , etc.
18 Alternatively a single permanent opening, commencing within 12 inches (300 mm) of the top of the enclosure, shall be provided. See Figure 1 1. The water heater shall have clearances of at least 1 inch (25 mm) from the sides and back and 6 inches (l50 mm) from the front of the appliance.
19 AIR FROM OTHER INDOOR SP ACES Figure 14 The conned space shall be provided with two permanent openings, one commencing within 12 inches (300 mm) of the top and one commencing within 12 inches (300 mm) of the bottom of the enclosure. See Figure 14.
20 COMMONWEAL TH OF MASSACHUSETTS For all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or str.
21 Requirements on page 17. If the installation space does not provide an adequate supply of fresh air the water heater must be installed in a Direct V ent conguration.
22 INT AKE AIR AND VENT PIPE CLEARANCES The minimum clearance from combustible materials for the vent (exhaust) and intake air piping shall be 0 inches. V ent or intake air piping passing through a combustible wall or ceiling must be a continuous run (no joints).
23 exhaust elbow on the water heater . 1 1. If installing 6 inch pipe transition to 4 inch pipe at the exhaust elbow as shown in Figure 15. The eld installed 4” pipe between the exhaust elbow and the 6” x 4” reducer coupling should be 18 inches (45 cm) or less in length.
24 14. If installing 4 inch intake air pipe connect the intake air pipe to the intake air connection on the water heater . 15. If installing 6” intake air pipe transition to 4” pipe at the intake air connection on the water heater as shown in Figure 18.
25 between the eld supplied 90° elbow and the factory supplied termination must not be excessive in length. The exposed portion of this pipe shall be no more than 2 inches (5 cm), see Figure 19.
26 SIDEW ALL TERMINA TION INST ALLA TION 1. Determine the location for the termination(s). 2. If installing only vent (exhaust) piping in a Power V ent conguration through a sidewall; ensure that all exterior sidewall clearance requirements for the termination, shown in Figure 48 on page 34, are being maintained.
27 termination. Use only Schedule 40 PVC to extend the 6 inch concentric termination. When shortening the length of the termination carefully measure and cut the larger (intake air) pipe rst. Cut the same amount of pipe off of the smaller (vent) pipe.
28 4 INCH CONCENTRIC TERMINA TION INST ALLA TION 4 INCH CONCENTRIC TERMINA TION KIT FOUR PIECE KI T - FIELD ASSEMBL Y REQUIRED VEN T PIPE INT AKE AIR CONNECTION 3 INCH PVC VEN T CONNECTION - 3 INCH PV.
29 1 1. Push the vent cap/vent pipe assembly into the intake air Y tting assembly until the vent cap seats properly on the large diameter intake air pipe. Ensure the vent pipe is cemented to the no stop-lip reducer bushing previously installed in the Y tting.
30 Four Concentric T erminations 1. When installing four concentric terminations through a roof or through a sidewall in close proximity they may be arranged into stacked rows of two as shown in Figure 34 or lateral rows of two as shown in Figure 35. 2.
31 Four Concentric T erminations Four concentric terminations may be installed in close proximity as shown in Figure 38. See Figure 34 and Figure 35 on page 30 for detailed information on clearances and additional arrangement options.
32 VENTING ARRANGEMENTS Power V ent V ertical Figure 40 Direct V ent V ertical Figure 42 Power V ent Horizontal Figure 41 Direct V ent Horizontal Figure 43.
33 VENTING ARRANGEMENTS Direct V ent V ertical V ent Horizontal Intake Figure 44 Direct V ent V ertical Concentric Figure 46 Direct V ent Horizontal V ent V ertical Intake Figure 45 Direct V ent Horiz.
34 TERMINA TION CLEARANCES SIDEW ALL POWER VENT V X VEN T TERMINAL AIR SUPPL Y INLE TA RE A WHERE TERMINAL IS NO T PERMITTED v v A G V FIXED CLOSED FIXED CLOSED OPERABLE OPERABLE V C B B B B F B V V A.
35 TERMINA TION CLEARANCES SIDEW ALL DIRECT VENT V X VENT TERMINAL AIR SUPPL Y INLE TA RE A WHERE TERMINAL IS NO T PERMITTED v v A G V FIXED CLOSED FIXED CLOSED OPERABLE OPERABLE V C B B B B F B V V A.
36 2. The eld installed condensate drain line must not be less than 1/2 inch PVC in size. 3. DO NOT remove, modify or alter the factory condensate trap. INST ALLA TION INSTRUCTIONS 1. Ensure the water heater’s on/off switch is in the “off” position.
37 SUPPL Y GAS LINE INST ALLA TION Contact your local gas utility company to ensure that adequate gas service is available and to review applicable installation codes for your area.
38 GAS LINE CONNECTION 1. v The water heaters covered by this manual are shipped from the factory with a 1 1/4” supply gas connection, see T able 1 on page 10. Short pipe nipples and reducer couplings are factory installed to increase the size of the water heater ’s 24 V AC Gas V alve inlet, see Figure 53.
39 (IE: relay coil) to this circuit. This will damage the CCB circuit board and is not covered under the limited warranty . Connecting An External Supervisory Control The enable/disable circuit is accessed from the CCB’s J6 plug inside the CCB enclosure, see Figure 3 on page 8 to locate the CCB enclosure.
40 T&P V AL VE DISCHARGE PIPE Explosion Hazard Te mperature-Pressure Relief Va lv e must comply with ANSI Z21.22- CS A 4.4 and ASME code. Properly sized temperature- pressure relief valve must be installed in opening provided. Can result in overheating and excessive tank pressure.
41 Setting the Operating Set Point at 120°F (49°C) will reduce the risk of scalds. Some States require settings at specic lower temperatures. T ABLE 10 W ater T emperature T ime to Produce 2nd &a.
42 multifunctional, their current function is dened by the text that appears directly above each button on the LCD screen. THE DESKTOP SCREEN During normal operation the control system will display the "Desktop" screen on the LCD which is the default screen.
43 ST A TUS ICONS The Status Icons are displayed on the Desktop screen and convey operational and diagnostic information. The icons are described in the table below . See Figure 55 on page 42 and the Sequence Of Operation on page 43. T ABLE 1 1 Icon Description W ater temperature in the tank has fallen.
44 OPERA TING ST A TES The current operational state of the water heater is displayed on the Desktop screen as the "Status." The common operational states are described in the table below . See Figure 55 on page 42 and the Sequence Of Operation on page 44.
45 USER SETTINGS & CONTROL SYSTEM MENUS TEMPERA TURES MENU Operating Set Point And Differential Adjustment The Operating Set Point is adjustable from 90°F (42°C) to 180°F (82°C). The factory setting is 120°F (49°C). The Differential is adjustable from 2° to 20°.
46 TEMPERA TURES MENU (CONT) DESCRIPTION/ACTION DISPLA Y • T ank T emperature - non adjustable - control system sensed temperature (averaged from upper and lower temperature probes). • Upper T emperature - non adjustable - control system sensed temperature from the Upper T emperature Probe.
47 DISPLA Y SETTINGS DESCRIPTION/ACTION DISPLA Y Select Display Settings from the Main Menu and press the Operational Button under "SELECT" to enter this menu. This menu contains adjustable display options for viewing information on the UIM’ s LCD screen.
48 CURRENT F AUL T DESCRIPTION/ACTION DISPLA Y Select Current Fault from the Main Menu and press the Operational Button under "SELECT" to enter this menu. This menu contains non adjustable operational information. Use the Up & Down Buttons to navigate the menu.
49 SERVICE CONT ACT INFORMA TION The control system has a discrete menu that Installing contractors and/or service agents can access to enter contact information for their customers. This contact information will be displayed with all Fault and Alert messages.
50 PRIOR TO ST ART UP Installation and start up of this water heater requires abilities and skills equivalent to that of a licensed tradesman in the eld involved, see Qualications on page 6. Do not place the water heater in operation if any part has been under water .
51 to a common gas main ring at full capacity . NOTE: A pressure drop of more than 1.5” W . C. (0.37 kPa) when the Main Burner ignites is an indication of an inadequate supply of gas and can lead to ignition failure, rough starts and/or rough operation.
52 CHECKING THE FIRING RA TE If ring rate adjustment is required follow these instructions to determine the actual ring rate of the water heater: 1. Ensure there are no other gas red appliances connected to the gas meter ring during this test.
53 LIGHTING THE W A TER HEA TER ON OFF Honeywell IN 1/2 PSI GAS CONTROL KNOB FOR YOUR SAFETY READ BEFORE OPER AT ING TO TURN OFF GAS TO APPLIANCE OPERA TING INSTRUCTIONS W ait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow “B” in the safety information above on this label.
54 SEQUENCE OF OPERA TION Read the Sequence of Operation below before attempting to correct any operational problems. Refer to the Features And Components section beginning on page 7 for the location of various water heater components described below .
55 SEQUENCE OF OPERA TION FLOW CHART YES NO Wa te r is heat ed to se t po in t 24 V olt Ga s Va lv e de -e nerg iz ed 30 seco nd In te r- Pu rge c ycl e 24 Volt Ga s Va lv e de- energi ze d Re tr ie s.
56 • Excessive manifold gas pressure - see T able 4 on page 13 and Manifold Gas Pressure Adjustment on page 51. • V ent (exhaust) gas recirculation at the vent and intake air pipe terminations on Direct V ent installations - see Direct V ent Installation on page 23.
57 ALERT CONDITIONS When the control system declares an Alert condition it will display an Alert message on the control system's LCD with a question "?" mark. The water heater will continue to operate during an Alert condition but the water heater must be serviced by a qualied service agent as soon as possible.
58 F AUL T AND ALERT MESSAGES Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualied service agent in your area.
59 F AUL T AND ALERT MESSAGES (CONT) Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualied service agent in your area.
60 MAINTENANCE SCHEDULE T ABLE 14 COMPONENT OPERA TION INTERV AL REQUIRED T ank Sediment Removal Semi Annually Flushing T ank Lime Scale Removal Semi Annually UN-LIME® Anode Rods Inspection Cleaning .
61 TA NK CLEANOUT OPENING CLEANOUT COVER CLEANOUT GASKET CLEANOUT ACCESS P ANEL Figure 58 MANUAL LIME SCALE REMOV AL NOTE: Contact your local distributor or call the parts department phone number on the back cover of this manual to order a new cleanout gasket.
62 DISCHARGE PIPE TEMPERA TURE-PRESSURE RELIEF VA LV E Figure 59 If the T emp erature - Pres sure Relief V alve on the water h eater weeps or disc harg es peri odic ally , this may be due to t herm al expansion. NOT E: Exce ssive water pressu re i s t he m ost comm on cause of T e mperatu re -Pr essure Relief V alve leakag e.
63 DIAGRAMS CCB - CENTRAL CONTROL BOARD LA YOUT 1 Re tr y Us e Ye s Type Ts ta t Sp ar e Ex t I nput 3 Re tr ie s No Vent Spar e OP EN 1 2 3 4 3 2 1 6 5 4 9 8 7 12 11 10 15 14 13 J6 J7 3 2 4 1 1 2 J1 .
64 (A)HCG3 130T 300 WIRING DIAGRAM 2 GREEN WHITE RED BLACK 1 1 2 BLACK 3 WHITE COMBUSTION BLOWER U PPER TEMPERATURE PROB E 1 RED (ECO) 4 RED (ECO) 2 BLACK 3 BLACK 1 BLACK120 VAC HOT 3 WHITE 120 VAC NE.
65 (A)HCG3 130T 400 WIRING DIAGRAM 1 2 5 6 WHITE GREEN BLACK BLACK WHITE RED COMBUSTION BLOWER NOTE: COMBUSTION BLOWER MOTORS ON 400,000 Btu/hr MODELS ARE THREE PHASE (3Ø) MOTORS. BLACK, WHITE AND RED WIRES MUST BE WIRED AS SHOWN OR THE MOTOR WILL TURN BACKWARDS.
66 CIRCULA TION PUMP WIRING DIAGRAMS Figure 63 Figure 64 CIRCULA TING PUM P WIRING DIAGRAM STORAGE TA NK OR BUILDING RECIRCULA TION FIELD SUPPLIED TEMPERA TURE CONTROL INST ALLED IN THE ST ORAGE TA NK OR CIRCULA TING LOOP RETURN LINE CIRC PUMP MOTOR L1 HOT L2 NEUTRAL 120 VA C POWER NOTE: USE SEP ARA TE 120 V AC POWER SUPPL Y FOR PUMP CIRCUI T.
67 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
68 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
69 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
70 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
71 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
72 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
73 4. See Closed Systems and Thermal Expansion on page 14 5. See W ater Line Connections on page 40. 6. If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66. 7.
74 American W ater Heater Company , the warrantor , extends the following LIMITED WARRANTY to the owner of this water heater . 1. THE T ANK If the glass-lined tank in this water heater shall prove upo.
75.
PO Box 1597, 500 Princeton Road, Johnson City , TN 37605 Phone: 800-456-9805 • Fax: 800-999-5210 www .americanwaterheater .com.
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