Bradford-White Corp GX2-25S manual Operating Instructions, System START-UP, Sequence of Operations

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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.Aquastat senses stored water temperature drops below desired setting.

a.Domestic hot water priority only: Normally closed contacts open to interrupt space heating.

2.Aquastat satisfied.

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.

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Contents SINGLE-WALL Indirect Page Congratulations Important Information SectionPage If YOU Smell GAS Page Page Page Page Page Table of Contents Model SpecificationsSW-2-80-L SW-80C-5 SW-2-120-L Gal Lbs ModelMinutes Sq Ft Compliance with the code General Information FeaturesPage Temperature and Pressure Relief Valve Page Page Unpacking PRE-INSTALLATIONSystem Zone Control Page Domestic HOT Water Priority Component Location Appliance Location Water Connections Valve if not factory installed Install Temperature and Pressure ReliefConnect Water Boiler Supply Piping Instructions for Boiler ConnectionsWater Boiler Piping with Zone Valves Fill Boiler System Connect Steam Boiler Supply Piping Electrical Connections Page Aquastat Control System START-UP Operating InstructionsSequence of Operations Approximate TIME/TEMPERATURE Relationships in Scalds Water Temperature AdjustmentPage Aquastat Control Page Maintenance To inspect or replace an anode Page Trouble Shooting Guide Problem Cause SolutionProblem Cause Solution Part Name & Description Parts List
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