Sequenceofoperation

1.Power to heater and recirculation pump.

2.Control switch, located on heater control box, placed in "ON" position.

a.High limit controller circuit closed.

b.Tank temperature controller calls for heat.

c.Pump relay energized starting heater pump.

d.Flow switch activated, if sufficient flow is determined, sending power to

e.The ignition relay, S8600.

f.The pilot is energized and when proven lit.

g.Spark to pilot stops and

h.The main gas opens allowing the burners to light.

3.Tank temperature reaches desired temperature.

a.Controller opens circuit.

b.Ignition relay de-energizes shutting off main and pilot gas.

c.Heater pump continues to operate until residual heat in the heater is dissipated.

d.Stack temperature drops below 140°F. A stack sensor, a part of the energy saving control, opens the pump relay circuit shutting down pump.

4.Heater waits for next call for heat.

INSTALLATION WATER HEATER PLUMBING:

The Recirculation pump , supplied by the installer should be sized according to heater input Model # ie. 825 would require 8.25 GPM. This pump is in addition to the pump supplied with the heater. The pump should be set for constant recirculation. DO NOT WIRE to heater or tank operating controls.

PIPING DIAGRAM-1 HEATER 1 TANK THERMOSTAT SUPPLIED

Fig. # 8054-RHEEM

136-1826 specifications

The Rheem 136-1826 is a highly efficient heating and cooling unit designed to provide reliable performance and comfort in residential settings. This unit is particularly notable for its advanced features, robust technologies, and outstanding characteristics that set it apart in the HVAC market.

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