Bryant-Carrier CH14NB User Manual

CH14NB Single---Stage Heat Pump with Puronr Refrigerant 1 --- 1 / 2 To 5 To n s

Product Data

Carrier heat pumps with Puronr refrigerant provide a collection of features un matched by an y other family of eq uip ment. The CH14 NB h as been desig ned u tilizing C arrier’s non-- o zon e depleting Puronr refrigerant.

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 14 SEER / 11.5 -- 11.7 EER / 8.2 HSPF S Microtube Technologyt refrigeration system S Indoor air quality accessories available

Sound

S Sound level as low as 69 dBA S Sound levels as low as 68 dBA with accessory sound blanket

Comfort

S System supports CôRt, Edger or standard thermostat controls

Reliability

S Non--ozone depleting Puronr refrigerant 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

WeatherArmort protection package:

S Solid, durable sheet metal construction S Dense wire coil guard

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

MODEL NUMBER NOMENCLATURE

14 SEER Heat Pump with Puron Refrigerant

Electrical Supply N – 208/230–60–1

CH14 N 018

B–Puron

Use of the AHRI Certified TM Mark indicates a manufacturer’s participation in the program For verification of certification for individual products, go to www.ahridirectory.org.

00G

Variatio ns 00G – Dense Grille

Nominal Capacity 018 –1–1/2Tons 024 –2Tons 030 –2–1/2Tons 036 –3Tons 042 –3–1/2Tons 048 –4Tons 060 –5Tons

Variatio ns

Series

STANDARD FEATURES

Feature 18 24 30 36 42 48 60

Puron Refrigerant X X X X X X X

Scroll Compressor X X X X X X X

FieldInstalledFilterDrier X X X X X X X

Front Seating Service Valves X X X X X X X

Internal Pressure Relief Valve X X X X X X X

Internal Thermal Overload X X X X X X X

Long Line capability X X X X X X X

Low Ambient capability with Kit X X X X X X X

Suction Line Accumulator X X X X X X X

High Pressure Switch X X X X X X X

Loss of Charge Switch X X X X X X X

X=Standard

PHYSICAL DATA

UNIT SIZE SERIES 1 8 --- A 24--- A 30--- A 3 6 --- B 4 2 --- A 4 8 --- A 60--- A Compressor Type Scroll REFRIGERANT Puron (R ---410A)

Control TXV (Puron Hard Shutoff)

Outdoor Heating Piston # 42 46 49 57 61 65 73

Charge lb (kg) 5.3 (2.4) 5.6 (2.5) 6.4 (2.9) 7.67 (3.48) 8.25 (3.74) 8.68 (3.94) 10.6 (4.81)

COND FAN Forwrard Swept or Propeller Type, Direct Drive

Air Discharge Vertical Motor HP 1/12 1/10 1/4 1/5 1/4 1/4 1/4 Motor RPM 1100 1100 1100 1100 1100 1100 800 CFM 1700 2195 3365 3165 3800 3365 4470

VALVECONNECT.(In.ID)

Vapor 5/8 5/8 3/4 3/4 7/8 7/8 7/8 Liquid 3/8

REFRIGERANT TUBES* (In. OD)

Rated Vapor 5/8 5/8 3/4 3/4 7/8 7/8 1 --- 1 / 8 Max Liquid Line 3/8

*Units are rated with 25 ft (7.6 m) of lineset length. See Vapor Line Sizing and Cooling Capacity Loss table when using other sizes and lengths of lineset.

Note: See unit Installation Instruction for proper installation.

VAPOR LINE SIZING AND COOLING CAP ACITY LOSS

Acceptable vapor line diameters provide adequate oil return to the compressor while avoiding excessive capacity loss. The suction line diameters shown in the chart below are acceptable for HP systems with Puron refrigerant:

Vapor Line Sizing and Cooling Capacity Losses -- Puronr Refrigerant 1-- Stage Heat Pump Applications

Unit Nominal Size

(Btuh)

18000

1 --- S t a g e H P

24000

1 --- S t a g e H P

30000

1 --- S t a g e H P

36000

1 --- S t a g e H P

42000

1 --- S t a g e H P

48000

1 --- S t a g e H P

60000

1 --- S t a g e P u ro n H P

Standard Length = 80 ft. (24.4 m) or less total equivalent length Applications in this area are long line. Accessories are required as shown recommended on Long Line Application Guidelines Applications in this area may have height restrictions that limit allowable total equivalent length, when outdoor unit is below indoor unit See Long Line Application Guidelines

Acceptable

Vapo r Line

Diameters

(In. OD)

1/2 1 2 3 3 4 6 7 8 9 10 12 5/8 0 0 1 1 1 1 2 2 3 3 3 5/8 0 1 1 1 2 3 3 4 4 5 6 3/4 0 0 0 0 0 1 1 1 1 1 2 5/8 1 2 3 3 3 4 5 6 7 8 9 3/4 0 0 1 1 1 1 2 2 2 3 3 7/8 0 0 0 0 0 1 1 1 1 1 1 5/8 1 2 4 4 5 6 7 9 10 11 13 3/4 0 0 1 1 1 2 2 3 3 4 4 7/8 0 0 0 0 0 1 1 1 1 2 2 3/4 0 1 2 2 2 3 4 4 5 6 6 7/8 0 0 1 1 1 1 2 2 2 3 3

3/4 0 1 2 2 3 4 5 5 6 7 8 7/8 0 0 1 1 1 2 2 2 3 3 4 3/4 1 2 4 4 5 6 7 9 10 11 12 7/8 0 1 2 2 2 3 4 4 5 5 6

11/8 0 0 0 0 1 1 1 1 1 1 2

Standard Application Long Line Application Requries Accessories

(7.62)50(15.2)80(24.4)

80+

(24.4+)

Cooling Capacity Loss (%)

Total Equivalent Line Length ( ft)

100

(30.48)

125

(38.10)

150

(45.72)

175

(53.34)

200

(60.96)

225

(68.58)

250

(76.20)

REFRIGERANT PIPING LENGTH LIMITATIONS

Maximum Line Lengths:

The maximum allowable total equivalent length for heat pumps varies depending on the vertical separation. See the tables below for allowable lengths depending on whether the outdoor unit is on the same level, above or below the outdoor unit.

Maximum Line Lengths for Heat Pump Applications

MAXIMUM ACTUAL LENGTH

Units on equal level 200 (61) 250 (76.2) N/A

Outdoor unit ABOVE

indoor unit

Outdoor un it BELOW

indoor unit

{ Total equivalent length accounts for losses due to elbows or fitting. See the Long Line G uideline for details.

ft (m)

200 (61) 250 (76.2) 200 (61)

See Table ’Maximum Total Equivalent Length: Outdoor Unit BELOW Indoor Unit’

Maximum Total Equivalent Length{-- Outdoor Unit BELOW Indoor Unit

Liquid Line

Size

18000

HP with

Puron 24000

HP with

Puron 30000

HP with

Puron 36000

HP with

Puron 42000

HP with

Puron 48000

HP with

Puron 60000

HP with

Puron

* Maximum actual length not to exceed 200 ft (61 m) { Total equivalent length accounts for losses due to elbows or fitting. See the Long Line G uideline for details.

--- --- = o u t s i d e a c c e p t a b le r an g e

Diameter

w/ TXV

3/8 250* 250* 250* 250* 250* 250* 250*

3/8 250* 250* 250* 250* 250* 250* 150

3/8 250* 250* 250* 250* 230 160 --- ---

3/8 250* 225* 190 150 110 --- --- --- ---

0 --- 2 0

(0 - -- 6.1)

21--- 30

(6.4 - -- 9.1)

HP with Puronr Refrigerant --- Maximum Total Equivalent Length{

Vertical Separation ft (m) Outdoor unit BELOW indoor unit;

31--- 40

(9.4 - -- 12.2)

MAXIMUM EQUIVALENT LENGTH{

41--- 50

(12.5 - -- 15.2)

ft (m)

51--- 60

(15.5 - -- 18.3)

MAXIMUM VERTICAL

SEPARATION ft (m)

61--- 70

(18.6 - -- 21.3)

71--- 80

(21.6 - -- 24.4)

LONG LINE APPLICATIONS

An application is considered Long Line when the refrigerant level in the system requires the use of accessories to maintain acceptable refrigerant management for systems reliability. Defining a system as long line depends on the liquid line diameter, actual length of the tubing, and vertical separation between the indoor and outdoor units.

For Heat Pump systems, the chart below shows when an application is considered Long Line. Beyond these lengths, long line accessories are required:

HP WITH PURONr REFRIGERANT LONG LINE DESCRIPTION ft (m)

Beyond these lengths, long line accessories are required

Liquid Line Size Units On Same Level Outdoor Below Indoor Outdoor Above Indoor

3/8 80 (24.4) 20 (6.1) vertical or 80 (24.4) total 80 (24.4)

Note: SeeLongLineGuidelinefordetails

ACCESSORIES

ORDER NUMBER DESCRIPTION 1 8 --- A 24-- -A 30--- A 36 --- B 42 --- A 4 8 --- A 60--- A

HC32GE234 BALL BEARING FAN MOTOR X

HC34GE240 BALL BEARING FAN MOTOR X

HC38GE219 BALL BEARING FAN MOTOR X

HC40GE226 BALL BEARING FAN MOTOR X X X

HC40GE228 BALL BEARING FAN MOTOR X

KAACH1601AAA CRKC HTR KIT X X

KAACH1701AAA CRKC HTR KIT X X X X

KAACS0201PTC KIT PTC X X X X X X X

KAAFT0101AAA FRZ THERM KIT X X X X X X X

KAATD0101TDR TIME DELAY KIT X X X X X X X

KHAIR0201AAA ISLN RELAY KIT X X X X X X X

KHALS0401LLS SOL VALVE KIT X X X X X X X

KHAOT0201SEC OUTDR THERM KIT X X X X X X X

KHAOT0301FST OUTDR THERM KIT X X X X X X X

KHASS0606MPK SNOW STAND KIT X X X X X X X

KSACY0101AAA CYCLE PROTR KIT X X X X X X X

KSAHS1701AAA HARD START KIT X X X X X X X

KSALA0301410 LOW AMBIENT KIT X X X X X X X

KSALA0601AAA MOTORMASTER KIT X X X X X X X

KSASF0101AAA SPRT FEET KIT X X X X X

KSASF0201AAA SPRT FEET KIT X X

KSASH0601COP SOUND BLKT KIT X X X X X

KSASH2101COP SOUND BLKT KIT X X

KSATX0201PUR TXV KIT (for copper coils) X X X

KSATX0301PUR TXV KIT (for copper coils) X X

KSATX0501PUR TXV KIT (for copper coils) X X

KSBTX0201PUR TXV KIT (for aluminum coils) X X X

KSBTX0301PUR TXV KIT (for aluminum coils) X X

KSBTX0401PUR TXV KIT (for aluminum coils) X X

x = A ccessory

ACCESSORY THERMOSTATS

Part Nu mbe r Description

T P --- W E M 0 1 CôR™, Wi---Fi Programmable Relative Humidity Thermostat X X X 4 2

T P --- PRH01 --- A edge™ Programmable Relative Humidity Thermostat X X X 3 2

TP ---PHP01 edge™ Programmable Thermostat (HP or AC) X X 3 2

T P --- N R H 0 1 edge™ Non ---Programmable Relative Humidity Ther mostat X X X 3 2

T P --- N H P 0 1 edge™ Non---Programmable Thermostat (HP or AC) X X 3 2

T C --- W H S 0 1

TC ---PHP01 Programmable Thermostat (HP or AC) X X 3 2

T C --- N H P 0 1 Non---Programmable Thermostat (HP or AC) X X 3 2

TB ---PHP01 Programmable Thermostat (HP or AC) X X 2 1

T B --- N H P 0 1 Non ---Programmable Thermostat (HP or AC) X X 2 1

Part Nu mbe r Description Used With

T P --- E X P edge™ EXP Card for Programmable Thermostats T P --- Px x

TSTATXXCNV10 Thermostat Conversion Kit (4 to 5 wire) 10 pack All Carrier branded thermostats

T X --- L B P 0 1 LargeDecorativeBackplate T P --- Px x , T P --- N x x , T C --- P x x

T X --- M B P 0 1 Medium Decorative Backplate T C --- N x x , T B --- P x x

T X --- S B P 0 1 Small Decorative Backplate T B --- N x x

W i --- Fi®Programmable

Thermostat Accessories

Gas Electric Heat Pump

Capabilities

X X X 3 2

Heat

Stages

Cooling

Stages

ACCESSORY USAGE GUIDELINE

REQUIRED FOR LOW --- AMBIENT

Accessory

Accumulator Standard Standard Standard

Ball Bearing Fan Motor Ye s { No No

Compressor Start Assist Capacitor and

Evaporator Freeze Thermostat Yes No No

Liquid Line Solenoid Valve No See Long--- Line Application Guideline No

Motor Master Control or

* For tubing line sets between 80 and 200 ft. (24.38 and 60.96 m) and/or 20 ft. (6.09 m) vertical differential, refer to Residential Split--- System Longline

Application Guideline.

{ Additional requirement for Low ---Ambient Controller (full modulation feature) MotorMasterr Control.

Relay

Crankcase Heater Ye s

Hard Shutoff TXV Ye s Yes No

Isolation Relay Ye s No No

Low Ambient Switch

Support Feet Recommended No Recommended

COOLING APPLICATIONS

(Below 55F / 12.8C)

Ye s Yes No

Ye s No No

REQUIRED FOR

LONG LINE APPLICATIONS*

Ye s

Accessory Description and Usage (Listed Alphabetically)

1. Ball--Bearing Fan Motor

A fan motor with ball bearings which permits speed reduction while maintaining bearing lubrication.

Usage Guideline:

Required on all units when using MotorMasterr

2. Compressor Start Assist -- Capacitor and Relay

Start capacitor and relay gives a hard boost to compressor motor at each start up.

Usage Guideline:

Required for reciprocating compressors in the following applications:

Long line Low ambient cooling

Hard shut off expansion valve on indoor coil Liquid line solenoid on indoor coil

Required for single--phase scro ll compressors in the following applications:

Long line

Low ambient cooling

Suggested for all compressors in areas with a history of

low voltage problems.

3. Compressor Start Assist — PTC Type

Solid state electrical device which gives a soft boost to the compressor at each start--up.

Usage Guideline:

Suggested in installations with marginal power supply.

4. Crankcase Heater

An electric resistance heater which mounts to the base of the compressor to keep the lubricant warm during off cycles. Improves compressor lubrication on restart and minimizes the chance of liquid slugging.

Usage Guideline:

Required in low ambient cooling applications.

Required in long line applications. Suggested in all commercial applications.

5. Evaporator Freeze Thermostat

An SPST temperature--actuated switch that stops unit operation when evaporator reaches freeze--up conditions.

Usage Guideline:

Required when low ambient kit has been added.

6. Isolation Relay

An SPDT relay which switches the low--ambient controller out of the outdoor fan motor circuit when the heat pump switches to heating mode.

Usage Guideline:

Required in all heat pumps where low ambient kit has been added.

7. Liquid--Line Solenoid Valve (LLS)

An electrically operated shutoff valve which stops and starts refrigerant liquid flow in response to compressor operation. It is to be installed at the outdoor unit to control refrigerant off cycle migration in the heating mode.

Usage Guideline:

An LLS is required in all long line heat pump applications to control refrigerant off cycle migration in the heating mode. See Long Line Guideline.

8. Low-- Ambient Pressure Switch Kit

A long life pressure switch which is mounted to outdoor unit service valve. It is designed to cycle the outdoor fan motor in order to maintain head pressure within normal operating limits. The control will maintain working head pressure at low--ambient temperatures down to 0_F(--18_C) when properly installed.

Usage Guideline:

A Low-- Ambient Pressure Switch or MotorMasterr Low-- Ambient Controller must be used when cooling operation is used at outdoor temperatures below 55_F (12.8_C).

9. MotorMasterr Low--Ambient Controller

A fan--speed control device activated by a temperature sensor, designed to control condenser fan motor speed in response to the saturated, condensing temperature during operation in cooling mode only. For outdoor temperatures down to --20_F (--28.9_C), it maintains condensing temperature at 100_F 10_F (37.8_C 

6.5_C).

Usage Guideline:

A MotorMasterr

Low Ambient Controller or Low-- Ambient Pressu re Switch must be used when cooling operation is used at outdoor temperatures below 55_F (12.8_C).

Suggested for all commercial applications.

REQUIRED FOR

SEA COAST APPLICATIONS

(Within 2 miles / 3.22 km)

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