Temperature Controls
The boilers covered in this instruction manual are equipped with (adjustable) thermostat or step control to regulate water temperature and other controls to provide safety features. See the wiring diagrams on page 13 & 14 and/or literature included with this manual for additional information.
Hot water temperatures required for automatic dishwasher and laundry use can cause scald burns resulting in serious personal injury and/or death. The temperature at which injury occurs varies with the person’s age and duration of exposure. The slower response time of children, the elderly or disabled persons increases the hazards to them. Never allow small children to use a hot water tap or draw their own bath water. Never leave a child or disabled person unattended in a bathtub or shower. The boiler should be located in an area where the general public does not have access to set temperatures.
Figure 1. shows the approximate time-to-burn relationship for normal adult skin.
Water Temperature |
| Time to Produce 2nd & 3rd |
| Degree Burns on Adult Skin | |
|
| |
|
|
|
180°F (82°C) |
| Nearly Instantaneous |
160°F (82°C) |
| About 1/2 second |
150°F (82°C) |
| About |
140°F (82°C) |
| Less than 5 seconds |
130°F (82°C) |
| About 30 seconds |
120°F (82°C) |
| More than 5 minutes |
80°F (82°C) |
| - - - - - - - - - - - - - - - - - |
|
|
|
| FIGURE 1. | |
•Additional instructional literature is provided with the boiler for adjusting this control.
Always close and lock the cabinet door after making a temperature adjustment. Turn on electricity.
DRAINING
The boiler must be drained if it is to be shut down and exposed to freezing temperatures. Maintenance and service procedures may also require draining the boiler.
1.Turn off the electrical disconnect switch.
2.Open a nearby outlet until the water is no longer hot and close the
3.Open a nearby outlet to vent the parts of the system being drained.
4.Open the boiler drain valve.
5.If the boiler is being drained for an extended shutdown, it is suggested the drain valve be left open during this period.
• Follow FILLING instructions to restore boiler to service.
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