Bradford White 20A Instruction Manual

238-45837-00D REV 05/07 ASME COMMERCIAL ELECTRIC WATER HEATER THE WARRANTY ON THIS WATER HEATER IS IN EFFECT ONLY WHEN THE WATER HEATE

10Water Connections continued- Figure 2A (Dual Temperature System With Mixing Valve) 50A, 80A, 120A Figure 2B (Dual Temperature System With Mi

11Water Connections continued- Figure 3A (Single Installation With Storage Tank Gravity Circulation) 50A, 80A, 120A Figure 3B (Single Install

12Water Connections continued- Figure 4A (Dual Water Heater Installation) 50A, 80A, 120A Figure 4B (Dual Water Heater Installation) 6A, 12A,

13Electrical Connections Before any electrical connections are attempted, be sure the water heater is full of water and that the manual shut-off val

14Amperage Chart kW 208V 240V 277V 380V 415V 480V 415V Input 1Ø 3Ø 1Ø 3Ø 1Ø 3Ø 3Ø 1Ø 3Ø 3Ø 3 15 - 13 - 11 - - 7 - - 6 29 17 25 14 22 9

15GENERAL OPERATION Before closing the switch to allow electric current to flow to the water heater, make certain that the water heater is full of w

16Thermostat adjustment continued- Figure 5 MAINTENANCE Shut off the electric power whenever the water supply to the water heater is off. Shut

17Maintenance continued- without leaking and operates freely. The following maintenance should be performed by a qualified service technician at th

18Maintenance continued- 7. If this water heater is equipped with fuses, before removing any fuse, disconnect the all power to the water heater. O

19SERVICING GUIDE This “Servicing Guide“ section of this Installation and Operation Installation manual is provided for the purpose of improving the

2CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual

20Servicing Guide continued- Certain other control components are available as “Optional“. When these optional components are installed with the wat

21Servicing Guide continued- The following unusual situations will give reason for the pressure controls to interrupt the electrical current to the

22Servicing Guide continued- When installing the control refer to the direction of the arrow on the hex and insure that it is pointing upwards. If

23Servicing Guide continued- The following unusual situations will give reason for the alarm to sound: • If a High Pressure Control is installed,

24Servicing Guide continued- Electrical Door Lock: An electrical door lock is offered in order to secure the access to the water heater control cab

3GENERAL INFORMATION This electric water heater’s design is certified by Underwriters Laboratories (UL) and listed in accordance with UL 1453. C-UL

4General Information continued- A sacrificial anode(s) is used to extend tank life. Removal of any anode, for any reason, will nullify the warranty

5Locating The Water Heater continued- Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical v

6Water Connections Note: Before proceeding with the installation, close the main water supply valve. After shutting the main water supply valve, op

7Water Connections continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equip

8Water Connections continued- This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot

9Water Connections continued- Figure 1                 