Rinnai B20 Manuel de service télécharger pdf (Page 5)

REU-2532W Series 5 Rinnai

1. Introduction

The brand name Continuum refers to “Endless Hot Water”. The new Continuum series has been

developed in response to the growing changes in the lifestyle of our customers, and the increasing

diversification and sophistication of demand in the marketplace.

The Continuum series offers reduced cost with advanced safety features, and an option to connect one,

two, or three remote temperature control pads to the residential units. The commercial units only allow

one keypad per heater.

The Continuum REU-2532 series is delivered with the maximum hot water temperature output set at

120 °F without the remote control. When using controllers you can adjust your hot water output from 96

– 120 °F using the “BC” and “BSC” controllers. The “MC” control will allow water temperature

adjustments from 96 – 140 °F, and the “MCC” control used only with the commercial unit, allows

adjustments from 96 - 180°F. .

About the Continuum

The front cover of each appliance in the new series is formed from 0.6 mm coated steel. Secured to the

main box assembly by (4) screws. Seals around the front cover prevent water from entering the

appliance.

Air inlets are situated in the front panel of the 2532 external unit. Air passes through the inlets and is

drawn into the combustion chamber at the left side of the fan housing. The by-products of combustion

on the external unit are expelled from the appliance through the flue outlet situated on the front of the

appliance, at the top. The general layout of components can be seen in the cut-away diagram, see table

of contents for page number. All components are suppported within the unit’s casing, which is made

from 0.8 mm coated steel.

The heat exchanger occupies the top section of the casing, and the burner is situated in a chamber

formed from 0.8 mm aluminized steel, attached to the bottom of the heat exchanger. The copper tubing

material used in the heat exchanger consist of, Phosphorus Dioxide Copper, (C1220P). The material

used to solder the heat exchanger pipes is, Phosphorus Bronze Brazing, (main components are P, Ag,

and Cu) (JIS No. BcuP-2). None of these materials contain lead.

The air for combustion is supplied by a fan, which is connected to the burner box by a duct at the left

side of the appliance, directly under the burner.

Gas and water controls are situated at the bottom right of the appliance, directly under the manifold. The

“O”ring material on the water and gas connections are made from EPDM, (Ethylene Propylene Diene)

rubber.

The burner assembly is made up of (16) identical stainless steel Bunsen burners, secured by an

aluminized steel framework. Each burner is capable of handling up to 11,250 BTU’s. An aluminum

manifold with (32) integrally molded injectors supplies gas to the burners, and is attached to the front

lower cover of the burner box.

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Rinnai B20 Manuel de service Page 5