Bryant 225B User Manual

Product Data
MODEL 225B
PREFERRED SERIES 15 HEAT PUMP
WITH PURON REFRIGERANT
1--1/2 TO 5 NOMINAL TONS
TM
the environmentally sound refrigerant
Bryant’s heat pumps with Puronr refrigerant provide a collection
of features unmatched by any other family of equipment. The
225B has been designed utilizing Bryant’s Puron refrigerant. The
environmentally sound refrigerant allows consumers to make a
responsible decision in the protection of the earth’s ozone layer.
As an Energy Starr Partner, Bryant Heating & Cooling Systems
has determined that this product meets the Energy Star r
guidelines for energy efficiency. Refer to the combination ratings
in the Product Data for system combinations that meet Energy
Starr guidelines.
NOTE: Ratings contained in this document are subject to
change at any time. Always refer to the AHRI directory
(www.ahridirectory.org) for the most up--to--date ratings
information.
INDUSTRY LEADING
FEATURES / BENEFITS
Efficiency
S
15.3 SEER/ 11.0 -- 13.0 EER/ 7.7 -- 9.0 HSPF
(Nominal)
S Microtube Technologyt refrigeration system
S Indoor air quality accessories available
Sound
S
Sound level as low as 68 dBA
Comfort
S
System supports Thermidistatt or standard thermostat
controls
Reliability
S
Puronr refrigerant -- environmentally sound, won’t
deplete the ozone layer and low lifetime service cost.
S Front--seating service valves
S Scroll compressor
S Internal pressure relief valve
S Internal thermal overload
S High pressure switch
S Loss of charge switch
S Filter drier
S Balanced refrigeration system for maximum reliability
Durability
DuraGuardt protection package:
S Solid, durable sheet metal construction
S Steel louver coil guard
S Baked--on, complete coverage, powder paint
Applications
S
Long--line -- up to 250 feet (76.20 m) total equivalent length,
up to 200 feet (60.96 m) condenser above evaporator, or up to
80 ft. (24.38 m) evaporator above condenser (See Longline
Guide for more information.)
S Low ambient (down to --20_F/--28.9_C) with accessory kit

Bryant 225B Specifications

General

Brand	Bryant
Model	225B
Category	Heat Pump
Language	English

Summary

Product Data

INDUSTRY LEADING FEATURES / BENEFITS

Key features and benefits of the heat pump system, covering efficiency, sound, comfort, reliability, durability, and applications.

MODEL NUMBER NOMENCLATURE

STANDARD FEATURES

List of standard features offered across different unit sizes, indicated by 'X' in the table.

PHYSICAL DATA

VAPOR LINE SIZING AND COOLING CAPACITY LOSS

Guidelines for vapor line diameter and its effect on cooling capacity for HP systems with Puron refrigerant.

REFRIGERANT PIPING LENGTH LIMITATIONS

MAXIMUM LINE LENGTHS FOR HEAT PUMP APPLICATIONS

Specifications for allowable refrigerant line lengths based on vertical separation.

LONG LINE APPLICATIONS

Requirements for systems with extended refrigerant line lengths, detailing when accessories are needed.

ACCESSORIES

ACCESSORY THERMOSTATS

Details on compatible thermostat accessories for enhanced system control and features.

ACCESSORY USAGE GUIDELINE

Accessory Description and Usage (Listed Alphabetically)

Explains the usage and applicability of various system accessories for different operating conditions.

ELECTRICAL DATA

A-WEIGHTED SOUND POWER

Sound performance data presented in octave bands for different unit sizes.

CHARGING SUBCOOLING (TXV-TYPE EXPANSION DEVICE)

Required subcooling values for TXV-type expansion devices for proper system operation.

DIMENSIONS - ENGLISH

MINIMUM MOUNTING PAD DIMENSIONS

Specifies the required dimensions for the unit's mounting pad to ensure stability.

DIMENSIONS - SI

MINIMUM MOUNTING PAD DIMENSIONS

Specifies the required dimensions for the unit's mounting pad in metric units.

225B BALANCE POINT WORKSHEET

BUILDING HEAT LOSS, UNIT INTEGRATED HEATING CAPACITY

Chart relating building heat loss to unit heating capacity based on outdoor temperature.

CLEARANCES

Clearances (various examples)

Visual examples of required clearance distances for unit installation and proper airflow.

COMBINATION RATINGS

COMBINATION RATINGS CONTINUED

Performance ratings for various unit and coil combinations, including efficiency metrics.

DETAILED COOLING CAPACITIES

DETAILED COOLING CAPACITIES CONTINUED

Comprehensive data on cooling capacities under various indoor and outdoor conditions.

HEAT PUMP HEATING PERFORMANCE

HEAT PUMP HEATING PERFORMANCE CONTINUED

Performance data for heat pump operation in heating mode across different temperatures.

GUIDE SPECIFICATIONS

System Description

Overview of the air-cooled split-system heat pump unit's design and installation suitability.

Quality Assurance

Standards and certifications the unit complies with, ensuring quality and safety.

Electrical Requirements

Nominal electrical characteristics and voltage limits for the unit's operation.

Operating Characteristics

Unit's performance metrics like capacity, power consumption, and efficiency ratings.

SYSTEM DESIGN SUMMARY