Installation / Operation Instruction Manual

25
SECTION VII
OPERATING INSTRUCTIONS
WARNING
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. Thermostat senses stored water temperature drops below
desired setting.
a. Domestic hot water priority only: Normally closed contacts
open to interrupt space heating.
2. Thermostat satisfied.
a. Thermostat 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.