Benutzeranleitung / Produktwartung TGHE-1991-N(X) des Produzenten Bradford-White Corp
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238-48793-00C 07/11 Bradford White EverHot Condensing Tankless Gas Water Heater For Interior Installation TGHE-160I-N(X) & TGHE-199I-N(X) INSTALLATION AND OPERATION INSTRUCTION MANUAL With Tro.
2 SECTION I: IMPORTANT INFORMATION TABLE OF CONTENTS I IMPORTANT INFORMATION ......... 2 VII ELECTRICAL CONNECTIONS ... 46 II SPECIFICATIONS .......................... 6 VIII OPERATING INSTRUCTIONS .... 56 III INSTALLATION INSTRUCTIONS ...............
3 DO NOT store or use gasoline or other flamm able, combustibl e, or corrosive vapors and/or liquids in the vicinity of this or any other appliance. Failure to properly install the vent and air intake (if applicable ) system coul d result in prope rty damage, personal injury, or death.
4 DO NOT tamper with or alter the water h eater and/or controls. DO NOT operate water heater with jum pered or absent controls or safety devices. DO NOT operate water heater if any external part ha s been under water.
5 Liquefied petroleum ga ses/propane ga s is heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, cl osets and areas below gr ound level will serve as pockets for accumulation of leakin g gas. Before lighting, smell all around the appliance area for gas.
6 SECTION II: SPECIFICATIONS Table 1. Specifications . Model TGHE-160I-N(X) TGH E-199I-N(X) Minimum Rate Btu/h 9,500 (Natural) / 10,300 (Propane) Maximum Rate Btu/h 157,000 199,000 Flow Rate (Min-Max) * 0.4-8.0 GPM (1.5-30 L/min) 0.4-9.8 GPM (1.5-37 L/min) Flow Rate (45°F rise) 6.
7 Dimensions TGHE-160I-N(X), TGHE-199I-N(X) Table 2. Water Heater Dimensions (Approx.). DIM DESCRIPTION TGHE-160I-N(X) in. (mm) TGHE-199I-N(X) in. (mm) A Width 18 ½ (470) 18 ½ (470) B Depth * 10 ½ (266.9) 10 ½ (266.9) C Height - Unit 26 3/8 (670) 26 3/8 (670) D Height - w ith brackets 28 ½ (723.
8 Figure 1. Graph Showing Pressure Drop v. Water Flow Rate. Figure 2. Graph Showing Water Flow Rate v. Temperature Rise. TGHE-160 I -N(X) TGHE-199 I -N(X) Pressure Drop (psi) Water Flow Rate (gpm) Pre.
9 SECTION III: INSTALLATION INSTRUCTIONS CAUTION If building cold water suppl y has a back-flow prevente r, check valve or wat er meter with check va lve, provisions for thermal expansion of water in the hot water system must be p rovided.
10 WARNING UNPACKING INSPECT SHIPMENT carefully for any signs of damag e. 1. All equipment is carefully manufactured, insp ected and packed. 2. Any claims for damage or shorta ge in shipment must be file d immediately with Bradford White Corporation and noted on the Bill of Lading.
11 MOUNT WATER HEATE R ON T HE W ALL Determine the proper height and location for the water heater to be installe d. Consider the venting system, as well as the water and gas connections. Allow enough room for servi cing the water heater and maintain the clearances f rom combusti ble materials.
12 State Regulations NOTICE BEFORE INSTAL LATIO N Bradford White direct-vent applia nce mu st be installed by a state qualifi ed or licen sed contractor. If you are not properly trained, you must not install this unit. IMPORTANT: In the State of Massachuse tts (248CMR 4.
13 SECTION IV: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed pressu re relief valve will release the manufacturer from any claim, which might result from excessive temperature and pressures. Keep clear of the pressure relief valve di scharge line outlet.
14 potable water. Unions should be installed on both the hot and cold water lines fo r future servicing and disconnection of the water heater. Install a shut -off valve in the cold water sup ply line.
15 Figure 3. Scald Warning . Table 5. Approximate scald time/temperatures. APPROXIMATE TIME/TEMP ERATURE RELATIONSHIPS IN SCALDS 120°F (49 C) More than 5 minutes 125°F (52 C) 1½ to 2 minute.
16 Figure 4. Recommended Piping for a Basic Installation..
17 Figure 5. Recommended Piping for a Circulation Systems . Pump to be of bronze or stainless construction.
18 Recommended Piping for Po wer Failure Freeze Protection As long as electrical power a nd gas are su pplied to the EverHot water h eater, freeze protection is provided to the heat exchanger and pipi ng inside the wate r heater with ambient temperatures as col d as -22 F (-30 C), when protected from direct wi nd exposure.
19 PRESSURE RELIEF VALVE Keep clear of the pressure reli ef valve di scharge li ne outlet. The discharge may be hot enough to cause scald injury. The water is unde r pressure and may splash.
20 Combination Water and Space Heating Applications – Commercial Use Water Heaters Only Commercial use water h eaters may be used for space heatin g or combination space heating/potable water heating applications, provided the followin g requirements and re commended piping di agrams are carefully followed.
21 Note: in Massachusetts, the following must be done: Tempered potable water m ust meet temperatures in 248 CM R. All water piping must be insulated in accordance with 780 CMR (Massachu setts energy code). 50 feet maximum distance from water heater to space heating lo ad (developed length).
22 SECTION V: VENTING WARNING The venting system must be properly installed. F a ilure to properly install the vent system could result in property damage, personal injury, or death.
23 VENTING The venting instructions must be followed to avoid re stri cted combustion or recirculation of flue gases. Such conditions cause sooting or risks o f fire and asphyxiation.
24 Vent / Air Intake Terminal Locations Direct Vent Terminal Location Plan the vent system layout so that proper cl earances are maintai ned from plumbing and wiring. Before the vent is installed, determine the vent pipe termin at ion location as shown below in the Vent Termi nal Location illustration.
25 Vent pipes serving power vented appliances are clas sified by building cod es as “vent connectors.” Required c learanc es from comb ustible mater ials must be provided in accordance with information in this manual under Location of Wate r Heater and Clearan ces, as well as the National Fuel Gas Code an d local codes.
26 Prior to the Installation of the Ev erHot Direct Vent System The EverHot TGHE series water heate rs have two adjus table wall mounting support brackets fitted on the top and bottom of the water heater casing.
27 Figure 10. Illustration Showing a Horizontal Termination Installati on..
28 Vertical Direct Vent Installations The EverHot TGHE series wate r heaters can al so be installe d to vent vertically through the roof using a vertical discharge adapte r, optional vent extension t ubes, a roof terminal, and a universal lead tile.
29 Combustion Blower Dip Switch Settings To assure optimum efficiency and red uced noise levels , the combustion blower switch ha s two dip switch settings. Dip switch numb er 1, the top dip switch, is shipped from the factory set to the ON po sition to compensate for the maximum vent/air intake length.
30 Installation of Venting System Components WARNING Refer to the Bradford Whit e EverHot TGHE series wa ter he ater Installation and Operation Instruction Manual for details conce rning vent system terminat ion po sitions/clearances, allowable ve nt pipe lengths, and in what position dip switch n umber 1 should be placed.
31 Condensate The TGHE series wate r heaters are factory equi pped with a condensate trap an d drain line. All condensate must drain a nd be disposed of per local co d es. Use only vent that is approved venting; do not use PVC, CPVC, ABS, or galvanized ma terial to vent this appliance.
32 Table 8. Required Clearances for Venting. * For clearances not specified in ANSI Z223.1 / NFPA 54 or CGA-B149 (latest editions), please use clearances i n accordance with local installati on codes and the requirement s of the gas supplier . ** For other than Direct Vent Appliance, 4 ft (1.
33 Shortening of Vent Extensions Figure 16. Illustration Showing How to Shorten Vent Extensions. The polypropylene (PP) inside pipe should always extend 0.4 in. (10 mm) beyond the white plastic outside pipe on the male end of the ve nt extension. Always cut the male end of the vent pipe extension.
34 Venting Parts & Dimensions Components Needed for Direc t Vent Applications Figure 18. Vent Extensions, (3) Different Lengths. 10 in., p/n 224087PP 19.5 in., p/n 224079PP 39 in., p/n 224080PP Figure 19. (2) 45º Vent Pipe Elbows, Sold in Pairs Only, p/n 224077PP.
35 Figure 21. Vent Pipe Clamp, p/n 169044. Figure 22. Vertical Discharge Roof Terminal, p/n 184162P P. Figure 23. Pitch Roof Flashing. 1/12 Pitch, p/n 189950 8/12 Pitch, p/n 189952 6/12 Pitch, p/n 189951 Figure 24. Flat Roof Flashing, p/n 146141. Figure 25.
36 Installation Instructions - Ev erHot ® Horizontal Discharge Vent Sy stem Identify the Vent Location Figure 26. Illustration Showing How to Locate the Vent for a Horizontal Di scharge. Steps: 1. Place horizontal discharge adapter on water heate r. 2.
37 Measure Dimension to Fit Figure 27. Illustration Showing How to Determine the Proper Length for the Wall Dischar ge Terminal. Figure 28. Illustration Showing How to Properly Cut a Vent Extension. NOTICE The minimum outer cap le ngth is 3.5 in. (90 mm).
38 Final Installation of the Vent Sy stem Figure 29. Illustration Showing the Installati on of a Horizontal Vent System. From the outside of the building, slide the wall disc harge te rminal through the vent wall passage. A supplied rubber wall plate can be install ed on the exterior of the building.
39 Installation Instructions - Ev erHot ® Vertical Discharge Vent Sy stem Figure 30. Illustration Showing the Installati on of a Vertical Vent System. Identify the Vent Location Determine the location where the roof discha rge terminal will be installed.
40 Mounting the Vent Sy stem – Vertical Discharge Figure 32. Illustration Showing the Installation of Vertical Discharge Venting. Vent connections must be firmly pres sed togeth er, so that the gaskets fo rm an airtight se al. Secure the system with a vent pipe clam p or perforated hang er iron.
41 Figure 33. Template to be Used for Cutting a Hole for the Coaxial Vent Pipe Used on TGHE-160I and TGHE-199I Models..
42 Venting Suppliers Table 10. Venting Suppl iers for TGHE-160I and TGHE-199I Models. Manufacturer Product Bradford White Rolux Condensing Vent System Rinnai/Ubbink Rolux Condensing Vent System Selkir.
43 SECTION VI: GAS CONNECTIONS WARNING Connect this water heater only to the ty pe of gas as shown on the rating plate. Use clea n black iron pipe or equivalent material approved by local codes and ordinances. Dirt and scale from th e pipe can enter the gas valve a nd cause it to malfunctio n.
44 Check the type of ga s and the gas inl et pressure be fore connecting the EverHot ® water heater to the gas supply. If the gas su pply type does not match the type shown on the water heater rating pl ate, then DO NOT connect the water he ater. Contact your Bradford White supplier for the correct water heater.
45 INITIAL OPERATION AN D TESTING (INSTALLER ONLY ) 1. Open the gas and water supply valves to the water heater. 2. Check for water and gas le aks. Use soap solution to che ck for gas leaks.
46 SECTION VII: ELEC TRICAL CONNECTIONS WARNING Turn off or disconnect the electrical power supply to the water heater before servicing. L abel all wires prior to disconn ection when se rvicing controls. Wiring erro rs can cause imp roper and dangerous operation.
47 WARNING DO NOT adjust any dipswitch settings on PC board e xcept dip switch number 1, if required, for vent length or unless instructed to do so. Figure 34.
48 Figure 35. Wiring Diagram for TGHE Models..
49 TEMPERATURE CONTROLS The front panel temperature control allows th e end user to set the hot wate r supply temperature and will display certain diagnostic cod es of the water heater if there is a malfunction.
50 WARNING Do not adjust this water h eater in any residential application above 120ºF. If this water heater is used in a commercial application where temperatures in excess of 120ºF are required, use an ASSE approved mixing device. WARNING This water heater is equipped with an energy cut out device to prevent overheating.
51 Figure 36. Remote Control and the Description of Function s on All Controls. Residential Control, p/n 239-4878 8-00 Commercial Control, p/n 239-487 89-00 Installation of Remote Control(s) (Optional) 1. The optional remote controls a re intended to be insta lled in a bathroom close to a shower or tub.
52 Note: If the cable cannot be run inside the wall cavi ty, then the plastic knockout should be re moved from the top or bottom of the control to allow flush mountin g with the wall. 7. Disconnect the power from the water hea ter and remove the front cover.
53 INITIAL OPERATION AN D TESTING OF CONTRO LS (INSTAL LER ONLY) 1. Turn on power to the water heater a nd fully open a hot water tap. 2. Check the operation of the water h eater. Check the operatio n of the remote temperature control(s). Check the operati on of the power failure protection system (drain sol enoids).
54 Table 18. (IG) Ignition System. Wire Color Voltage Resistance Connector No. Pin Nos. Grey-Grey 90-110 VAC n/a D1 1-2 Table 19. (FM) Combusti on Fan Motor. Wire Color Voltage Resistance Connector No. Pin Nos. Red-Black 6-45 VDC n/a L1 1-2 White-Black 5-10 VDC 9.
55 With the power off, you can check th e continuity through the surge protector. Pl ace a meter lead on the top pin #1 of the surge protector and pin #3 on the b otto m of the surge protector. Check across the top pin #3 and the bottom pin #1. If you read continuity acro ss these two points, the surge p rotector is good.
56 SECTION VIII: OPERATING INSTRUCTIONS WARNING Water heaters are he at-producing app liances. To avoid dam age or injury there must be no materials stored against th e water heater o r direct vent sy stem, and proper care must be taken to avoid unnecessary contact (especially by children ) with the water heater a nd direct vent system.
57 LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFO RE OPERATIN G WARNING: If you do not follo w these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This water heater does not have a pilot.
58 CAUTION In climates where below freezing tempe ratures may occur, the water h eater must be drained when power is off to the water heater to prev ent free ze damage to the heat exchanger. Drain sol enoids are recommended to prevent freeze damage during p ower failures in cold climate regions.
59 2. To set the de sired temperature on the control, all hot water faucets must be closed. If there are remote controls installed, press the “Priority” button on the control you want to chan ge the setting on and the “Priority” indicator light will glow.
60 SCALDING Figure 41. Scalding Warning. This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot w ater to avoid scalding injury. Cer tain applianc es, such as dishwas hers and automatic clothes washers may require increased wate r temperature.
61 FIRST AID FOR SCALDS 1. Apply cold water to burned area for 30 minutes to re duce the heat in the skin a nd prevent deeper burning. Never use butter, oils, or ointm ent to cover the burn. They may retain the heat. 2. Use a blanket to keep the scalded perso n warm.
62 Code Code Description Remedy 14 Thermal Fuse Check gas type of unit and ensure it matches gas type being use d. Check for restrictions in air flow around unit and vent terminal. Check for low water flow in a circulating system causing sh ort-cycling.
63 Code Code Description Remedy No code Nothing happens when w ater flow is activated. Clean inlet water supply filter. On new installations ensure hot and cold water lines are not reversed. Check for bleed over. Isolate unit from buildi ng by turning off hot water line to building.
64 SECTION IX: MAINTENANCE WARNING Always turn off the electrical power supply, the manual ga s valve, and the manual wate r control valve whenever servicing this applian ce. KEEP THE WATER HEATER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS, GASOLINE, AND OTHER FLAMMABLE VAPORS AND LIQUIDS.
65 CAUTION Before manually operating the valve, make su re t hat a drain line has been attached to the valve to direct the discharge to a n open drain. Failure to take this precaution could mean contact with extremely hot water passing out the valve during this checking operation.
66 Figure 43. Piping for Mineral Scale Flushing. Rinnai Wa te r Heater Ga s S u ppl y V1 V3 V2 V4 H1 H2 H3 Ci rc u la ting Pump 5 g all on pai l o f vir gin, fo od g rad e , w h i t e vin eg a r (o r vir gin, fo od gr a d e , ci t ri c a c i d) .
67 Common Troubleshooting Commen ts on the Operation of the EverHot ® Tankless Water Heater Comment: I don’t have any hot water when I open the tap! Make sure the gas and electricity is turned on to t he water heater. The temperature display should have the green light lit when a hot wate r tap is open and th e water heater is operating.
68 SECTION X: PARTS LIST TGHE-160I and TGHE-199I Models.
69 TGHE-160I TGHE-199I No. Description Quan tity 001 Main Body 1 1 002 Wall Bracket 2 2 003 Rubber Bushing 1 1 004 Connection Reinforcement Panel 1 1 005 Heat Protection Plate 1 1 006 Front Panel 1 1 .
70.
71 TGHE-160I TGHE-199I No. Description Quan tity 101 Test Port Set Screw 2 2 108 Burner Case Back Cover 1 - 109 Damper LPG 1 1 Damper NG 1 1 110 Manifold Assembly NG 1 1 114 Combustion Chamber Sight G.
72.
73 TGHE-160I TGHE-199I No. Description Quan tity 447 Connection Harness 1 1 712 Frost Sensing Switch 2 2 720 Power Cord 1 1 721 Fuse Harness 1 1 722 Power Harness 1 1 724 Sensor Harness 1 1 725 Therma.
74.
75 TGHE-160I TGHE-199I No. Description Quan tity 102 Gas Connection 3/4" NPT 1 1 110 Manifold Assembly NG 1 1 110 Manifold Assembly LPG 1 1 400 Water Inlet 3/4" NPT 1 1 401 Water Flow Servo .
76 SECTION XI: WARRANTY What does this Limited Warr anty Cover? This limited warranty covers b oth the heat exchanger and component parts for leakag e or other malfunction caused by defects in materials and/or wo rkmanship.
77 demand recirculation is n ot incorporated. A system that inco rporates a contin uous recirculation due to timer settings, excessive heat lo ss of the loop or aquastat / thermostat setting will be treated as a continuous circul ation system and hav e a reduce d warranty of 3 years.
78 EverHot® Limited Warranty Registration In order to confirm Limit ed Warranty coverage at 12 year s for Residential Applications 1 , complete the information below and click submit.
79 NOTES:.
Ambler, PA For U.S. and Canada field service, Contact your professional installer or local Bradford White representative. Sales/ 800-523-2931 Fax/ 215-641-1670 Parts Fax/ 215-641-2180 Technical Suppor.
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