Bryant R-22 Especificaciones descargar pdf (Pagina 28)

SSP-SVX15C-EN

Start-Up

ReliaTel™™ Controls

The ReliaTel™ Control is a microelectronic control

feature, which provides operating functions that are

significantly different than conventional

Electromechanical units. The ReliaTel™ Refrigeration

Module (RTRM) uses proportional/integral control

algorithms to perform specific unit functions that

govern the unit operation in response to application

conditions.

The RTRM provides compressor anti-short cycle (ASC)

timing functions through minimum““OOffff”” and ““OOnn””

timing to increase reliability, performance and to

maximize unit efficiency. Upon power initialization, the

RTRM performs self-diagnostic checks to insure that all

internal controls are functioning. It also checks the

configuration parameters against the components

connected to the system. The system LED located on

the RTRM module is turned ““OOnn”” within one second

after power-up if all internal operations are correct.

The heating and cooling cycles of the heat pump are

automatic for Heat and Cool functions when using an

optional automatic changeover thermostat (TS).

The fan switch on the optional automatic changeover

thermostat can be placed in either the OONN position,

causing continuous evaporator (indoor) fan operation,

or the AAUUTTOO position causing fan operation to coincide

with heating or cooling run cycles. (In AAUUTTOO position,

the fan switch automatically changes to Heat or Cool in

response to sufficient room temperature change.)

Terminology

The following terms and acronyms may be used in this

section.

ASC

Anti-Short Cycle Timer

Compressor Contactor

CCH Crankcase Heater

Outdoor Fan Capacitor

CHR

Crankcase Heater Relay

COMM Communication Interface Module

CPR

Compressor

CTS

Coil Temperature Sensor

DTL

Discharge Temperature Limit Switch

EDC

Evaporator Defrost Control Switch

FTB Outdoor Fan Terminal Block

HPC

High Pressure Cutout Switch

HTB

High Voltage Terminal Block

LPC Low Pressure Cutout Switch

LTB

Low Voltage Terminal Board

OAS

Outdoor Air Temperature Sensor

ODF

Outdoor Fan Relay

ODM Outdoor Fan Motor

PM Phase Monitor

RTRM

ReliaTel ™ Refrigeration Module

SOV Switchover Valve

TNS Transformer

Functions and Features

These subsections describe the following key heat

pump functions and features:

• Processing Activated When the Disconnect Switch

is in OONN Position

• Mechanical Heat

• Auxiliary Heat

• Emergency Heat

• Cooling

• Demand Defrost

Processing Activated When the Disconnect

Switch is in the ON Position

The following table lists the processing that occurs

given the stated condition.

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 39 40

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Bryant R-22 Especificaciones Pagina 28

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