Some circulating pumps are manufactured with sealed bearings and do not require further lubrication. Some circulating pumps must be periodically oiled. Refer to the pump manufacturer’s instructions for lubrication requirements.
CIRCULATING PUMP WIRING DIAGRAM
STORAGE TANK OR BUILDING RECIRCULATION
FIELD SUPPLIED TEMPERATURE CONTROL
INSTALLED IN THE STORAGE TANK
OR CIRCULATING LOOP RETURN LINE
NOTE: USE SEPARATE 120 VAC POWER
SUPPLY FOR PUMP CIRCUIT. DO NOT
SHARE POWER WITH APPLIANCE AS THIS
MAY CAUSE ELECTRICAL LINE NOISE AND
LEAD TO ERRATIC CONTROL SYSTEM
OPERATION.
L1 HOT
120 VAC | CIRC |
POWER | PUMP |
| MOTOR |
L2 NEUTRAL
CIRCULATING PUMP WIRING DIAGRAM
DISHWASHER LOOP WITH TOGGLE SWITCH
|
|
| DISHWASHER |
| FIELD SUPPLIED TEMPERATURE | ||||||||
|
|
| TOGGLE |
| CONTROL INSTALLED IN THE | ||||||||
|
|
| SWITCH | CIRCULATING LOOP RETURN LINE | |||||||||
NOTE: USE SEPARATE 120 VAC POWER |
|
|
|
|
|
|
|
|
| ||||
SUPPLY FOR PUMP CIRCUIT. DO NOT |
|
|
|
|
|
|
|
|
|
| |||
SHARE POWER WITH APPLIANCE AS THIS |
|
|
|
|
|
|
|
|
|
| |||
MAY CAUSE ELECTRICAL LINE NOISE AND |
|
|
|
|
|
|
|
|
|
| |||
LEAD TO ERRATIC CONTROL SYSTEM |
|
|
|
|
|
|
|
|
|
| |||
OPERATION. |
|
|
|
|
|
|
|
|
|
| |||
L1 HOT |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
120 VAC |
|
|
|
|
| CIRC | |||||||
| POWER |
|
|
|
|
| |||||||
|
|
|
|
|
| PUMP | |||||||
L2 NEUTRAL |
|
|
|
|
|
|
|
| MOTOR | ||||
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Figure 9.
High Altitude Installations
Fire and Explosion Hazard
Under no circumstances should the input exceed the rate shown on the water heater’s rating label.
Overfiring could result in fire or explosion.
Gas and carbon monoxide detectors are available.
Breathing Hazard - Carbon Monoxide Gas
Under no circumstances should the input exceed the rate shown on the water heater’s rating label.
Overfiring could result in damage to the water heater and sooting.
Gas and carbon monoxide detectors are available.
Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual.
The water heaters covered by this manual are certified for use without modification for altitudes up to 2,000 feet (610 m). Do not install these water heater models above 2,000 feet (610 m) elevation.
11
