Burnham 79A manuale d’uso

1 ® AMERICA’S BOILER COMPAN Y Burnham Corporation Lancaster, PA 17604-307 9 INST ALLA TION, OPERA TING AND SER VICE INSTRUCTIONS ALLIANCE TM SERIES INDIRECT-FIRED W A TER HEA TERS MODELS AL-26A, 40A, 53A, 79A and 1 19A Price - $3.00 8140817R3-3/00 for SINGLE W A TER HEA TER INST ALLA TIONS For ser v i ce or repairs to the w a t e r heater , c al[...]

2 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 water heater. DA N G ER Indicates an im m inen tly h az a r do u s situ at ion wh ic h, i f n ot a voi de d, wi ll re sul t in d e at h, se rio u s in ju r y o r [...]

3 I. General Information Section I - General Information ............................ 3 Ratings, Capacities, Weights, & Dimensions ....... 4 Section II - Pre-Installation ................................... 5 Section III - Piping ................................................ 8 Section IV - Electrical .........................................[...]

4 Table 1: Alliance Water Heater Dimension (Inches) Table 2: Alliance Water Heater Capacities Table 3: Alliance Water Heater Performance AL L I A NCE MO D EL AB C DEFG H I J K AL 26A 4 0 20 - 1/ 4 31 - 1/ 2 22 - 1/ 2 9 - 3/ 4 2 3/ 4 3/ 4 3/ 4 3/ 4 3/ 4 AL 40A 5 5 20 - 1/ 4 46 - 1/ 2 25 - 3/ 4 9 - 3/ 4 2 3/ 4 3/ 4 3/ 4 3/ 4 3/ 4 AL 53A 70 - 5/ 8 20 [...]

5 II. Pre-Installation Inspect shipment carefully for any sign of damage. All equipment is carefully manufactured, inspected and packed. Burnham Corporation's responsibility ceases upon delivery of water heater to the carrier in good condition. Any claim for damage or shortage in shipment must be filed immediately against the carrier by the co[...]

6 Select a circulator which will provide at least the minimum flow rate at combined pressure drop. B . System Zone Control The Alliance TM water heater must be installed as a zone separate from the space heating system. The domestic hot water zone's piping and circulator must be sized for a minimum flow rate with all zones in use and a maximum[...]

7 cool to room temperature, or if tank is drained without opening a hot water faucet. A Watts ® Model No. N36 is an appropriate vacuum relief valve. 4. Thermal Expansion Tank If water heater is installed in a closed water supply system, such as one having a back-flow preventer in the cold water line, provide thermal expansion control. Contact the [...]

8 III. Piping A. Drain domestic water system. 1. Shut off cold water supply at main shut-off valve. 2. Open one or more system faucets to relieve pressure. Open system drain valve, leaving faucets open to relieve vacuum. 3. Disconnect existing domestic water heating system (if applicable). B. Position Alliance™ in final location. C. Connect domes[...]

9 4. Purge air from domestic water system. Allow water to run so the tank is thoroughly purged of any debris. Run water long enough so that a minimum of five (5) volume changes of the tank are accomplished. Close faucets. Reinstall screens. 5. Check system for leaks. Repair as necessary. F. Connect water boiler return piping (See Figures 3 thru 6).[...]

10 G. Connect water boiler supply piping (See Figures 3 thru 6). 1. For a space heating system that utilizes ZONE VALVES AND A BOILER BYPASS, refer to Figure 3. The Alliance™ connection labeled "BOILER SUPPLY" should be piped to the boiler supply piping as close to the boiler as possible and especially before the bypass piping. Mount th[...]

11 3. For a space heating system that utilizes ZONE VALVES WITHOUT A BOILER BYPASS, refer to Figure 5. The Alliance™ connection labeled "BOILER SUPPLY" should be piped to the boiler supply piping after the air purger and before the space heating circulator. Mount the water heater circulator as close as possible to the water heater makin[...]

12 H. Connect steam boiler piping (See Figures 7 thru 10). 1. Burnham V-7 Series steam boiler (Refer to Figure 7). a . For satisfactory supply of hot water, the V-7 steam boiler must be equipped with a special tapped rear heater coil cover plate contained in both of the following kits: Part No. 6032702 Includes tapped cover plate, mounting hardware[...]

13 Figure 8 Typical Steam Boiler w/Connections Available Below Water Line Figure 9 3. Typical steam boiler with connections available below the water line (Refer to Figure 9). a. The Alliance™ connection labeled "BOILER RETURN" should be piped to a tapping in the boiler that is below the lowest permissible water level. The use of unions[...]

14 Figure 10 4. Steam boiler without hot water connections available below the water line (Refer to Figure 10). a . Supplying the Alliance™ from the bottom tappings in a steam boiler is not recommended due to insufficient water temperature, especially during warmer months when the space heating system is not operational. Boiler water temperature [...]

15 IV . Electrical 1. Install electric wiring in accordance with National Electrical Code or the Canadian Electrical Code and local regulations. See Figure 11 for the wiring diagram and the boiler's Installation manual. Figure 11: Priority Wiring Diagram - Multizone Space Heating with Zone Valves or Single Zone Space Heating 2. The Alliance™[...]

16 V . Operation A. System Start-Up 1. Follow boiler installation instructions to place boiler in operation. 2. Turn aquastat dial clockwise to desired setting. a . An initial setting of 120°F is recommended. b. Turning the knob clockwise from "100" position will cause an audible click indicating the desired temperature is higher than th[...]

17 VI. Service Instructions A. The Alliance™ is intended to provide a service life of many years. Components that require service, however, may be subject to failure. Failure to use the correct procedures or parts in these circumstances may make the water heater unsafe. The owner should arrange to have the following inspections and simple mainten[...]

18 VII. T rouble Shooting PROBLEM CAUS E S O LUTI ON N o hot w a t er at f aucet B oiler does not ope rat e R efe r t o boiler i nstall at i on i nstruct i o n s C h e c k ma in ser v ic e s wi tc h Check f u sed di s conne ct C i rc ul at or do es not ope rate Check power supply Ch ec k sh aft cou plin g I mpr oper aqu as t a t s et ti n g o r c a[...]

19 VIII. Repair Parts 1 A qu ast a t (H one ywel l L 400 6A 2 1 14 ) 801081 2 7 T op Cove r AL2 6 A 804080 8 2 Ha ndh ol e Cove r 805080 2 AL4 0A 3 Ha nd hol e Cov e r Gask et 82 00804 A L53A 4 H and ho le Co ver Br ack et 805080 3 AL7 9A 804080 9 5 Ha ndh ol e Cove r N ut 80808 04 AL1 19A 8 0408 10 6J a c k e t AL26A 8 040803 8 Bo tto m C o v e r [...]

20 All Alliance™ Series repair parts may be obtained through your local Burnham Wholesale Distributor. Should you require assistance in locating a Burnham Distributor in your area, or have questions regarding the availability of Burnham products or repair parts, please contact your Burnham Regional Sales Office as listed below. Bur nha m C or p o[...]

21 Inspection / Service Schedule DA TE INSPECTION AND/OR SERVICE PERFORMED[...]

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