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Water heaters are heat-producing appliances. To avoid damage
or injury there must be no materials stored against the water
heater, and proper care must be taken to avoid unnecessary
contact (especially by children) with the water heater.
UNDER NO CIRCUMSTANCES SHALL FLAMMABLE
MATERIALS, SUCH AS GASOLINE OR PAINT THINNER
BE USED OR STORED IN THE VICINITY OF THE WATER
HEATER OR IN ANY LOCATION FROM WHICH FUMES
COULD REACH THE WATER HEATER.
Installation or service of this water heater requires ability
equivalent to that of a licensed tradesman in the field
involved. Plumbing and electrical work are required.
SYSTEM START-UP
Follow boiler installation instructions to place boiler in operation.
SEQUENCE OF OPERATIONS
1. Aquastat senses stored water temperature below desired
setpoint.
a. Domestic hot water priority only: Normally closed
contacts open to interrupt space heating.
b. Normally open contact closes, energizing the domestic
hot water circulator.
2. Aquastat senses stored water temperature at desired setpoint.
a. Aquastat contacts open, turning off domestic hot water
circulator and de-energizing relay.
b. Normally open contacts open, stopping boiler operation.
c. Domestic hot water priority only: Normally closed
contacts close, returning boiler control to space heating.
SECTION VII
OPERATING INSTRUCTIONS
WARNING
26
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