Instruction/ maintenance manual of the product 79A Burnham
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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.
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.
3 I. General Information Section I - General Information ............................ 3 Ratings, Capacities, Weights, & Dimensions ....... 4 Section II - Pre-Installation ................................... 5 Section III - Piping .................
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 .
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 C.
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 .
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.
21 Inspection / Service Schedule DA TE INSPECTION AND/OR SERVICE PERFORMED.
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An important point after buying a device Burnham 79A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Burnham 79A 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 Burnham 79A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Burnham 79A you will learn all the available features of the product, as well as information on its operation. The information that you get Burnham 79A will certainly help you make a decision on the purchase.
If you already are a holder of Burnham 79A, 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 Burnham 79A.
However, one of the most important roles played by the user manual is to help in solving problems with Burnham 79A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Burnham 79A 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
