Carrier 38MARB User manual

Specifications subject to change without notice.

Fig. 1 —Sizes 9K to 36K

NOTES: Read the entire instruction manual before

starting the installation.

Images are for illustration purposes only. Actual

models may differ slightly.

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS........................................................2

ACCESSORIES................................................................................2

DIMENSIONS..................................................................................4

CLEARANCES ................................................................................8

INSTALLATION REQUIREMENTS .............................................9

INSTALLATION .............................................................................9

Step 1 - Check Equipment ................................................................9

Step 2 - Mount Unit ..........................................................................9

Step 3 - Condensate Drain Installation .............................................10

Step 4 - Refrigerant Piping ...............................................................11

Step 5 - Evacuate Coil And Tubing System .....................................14

Step 6 - Electrical Connections.........................................................15

WIRING ...........................................................................................15

ELECTRICAL DATA......................................................................16

CONNECTION DIAGRAMS ..........................................................16

START-UP .......................................................................................17

CARE AND MAINTENANCE........................................................17

TROUBLESHOOTING ...................................................................17

OUTDOOR UNIT DIAGNOSTIC GUIDES ...................................18

DUCTLESS START-UP CHECKLIST ...........................................19

Installation Instruction

38MARB

Outdoor Unit Single Zone Ductless System

Sizes 09 to 36

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

SAFETY CONSIDERATIONS

Installing, starting up, and servicing air- conditioning equipment can

be hazardous due to system pressures, electrical components, and

equipment location (roofs, elevated structures, etc.).

Only trained, qualified installers and service mechanics should install,

start- up, and service this equipment.

Untrained personnel can perform basic maintenance functions such

as coil cleaning. All other operations should be performed by trained

service personnel only.

When working on the equipment, observe the precautions in the

literature and on tags, stickers, and labels attached to the equipment.

Follow all safety codes.Wear safety glasses and work gloves. Keep a

quenching cloth and a fire extinguisher nearby when brazing. Use care

in handling, rigging, and setting bulky equipment.

Read these instructions thoroughly and follow all warnings or

cautions included in the literature and attached to the unit. Consult

local building codes and National Electrical Code (NEC) for special

requirements. Recognize safety information.

This is the safety - alert symbol . When you see this symbol on

the unit and in instructions or manuals, be alert to the potential for

personal injury. Understand these signal words: DANGER,

WARNING, and CAUTION. These words are used with the

safety- alert symbol.

DANGER identifies the most serious hazards which will result in

severe personal injury or death.

WARNING signifies hazards which could result in personal injury or

death.

CAUTION is used to identify unsafe practices which may result in

minor personal injury or product and property damage.

NOTE is used to highlight suggestions which will result in enhanced

installation, reliability, or operation.

ACCESSORIES

The system is shipped with the following accessories. Use all of the

installation parts and accessories to install the system. Improper

installation may result in water leakage, electrical shock and fire, or

cause the equipment to fail. Keep the installation manual in a safe

place and do not discard any other accessories until the installation

work has been completed.

Table 1 —Accessories

PART

NO. PART NAME QTY.

1 Outdoor unit 1

-Literature package including installation instructions

and warranty 1

-Mounting pads for the outdoor unit (helps with

vibration prevention during unit operation) 4

-DrainJoint 1

-DrainHose 1

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or

death.

Before installing, modifying, or servicing system, the main

electrical disconnect switch must be in the OFF position. There

may be more than 1 disconnect switch. Lock out and tag switch

with a suitable warning label.

WA R N I N G

EXPLOSION HAZARD

Failure to follow this warning could

result in death, serious personal injury,

and/or property damage.

Never use air or gases containing oxygen

for leak testing or operating refrigerant

compressors. Pressurized mixtures of air

or gases containing oxygen can lead to an

explosion.

WARNING

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or

improper operation.

Do not bury more than 36 in. (914 mm) of refrigerant pipe in the

ground. If any section of pipe is buried, there must be a 6 in. (152

mm) vertical rise to the valve connections on the outdoor units. If

more than the recommended length is buried, refrigerant may

migrate to the cooler buried section during extended periods of

system shutdown. This causes refrigerant slugging and could

possibly damage the compressor at start-up.

CAUTION

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Fig. 2 — Outdoor Unit

NOTE:

- If the outdoor unit is higher than the indoor unit, prevent rain

from flowing into the indoor unit along the connection pipe by

making a downward arc in the connection pipe before it

enters the wall to the indoor unit. This ensures that rain drips

from the connection pipe before it enters the wall.

- Piping and the interconnecting wiring are field supplied.

- Figure 2 is only a sketch. The actual model may differ slightly.

Table 2 lists the units covered in this document.

Table 2 — Unit Sizes

Ŷ2XWGRRUXQLW



SYSTEM TONS BTUH VOLTAGE -

PHASE OUTDOOR MODEL

1.00 12,000 115-1 38MARBQ12AA1

0.75 9,000 208/230-1 38MARBQ09AA3

1.00 12,000 208/230-1 38MARBQ12AA3

1.50 18,000 208/230-1 38MARBQ18AA3

2.00 24,000 208/230-1 38MARBQ24AA3

2.50 30,000 208/230-1 38MARBQ30AA3

3.00 36,000 208/230-1 38MARBQ36AA3

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

DIMENSIONS

Fig. 3 — Size 12K (115V)

System Size 12K 9K 12K 18K 24K 30K 36K

(115V) (208/230V) (208/230V) (208/230V) (208/230V) (208/230V) (208/230V)

Outdoor Unit

Unit

Height (H) in (mm) 21.85 (555) 21.81 (554) 21.81 (554) 26.50 (673) 31.89 (810) 31.89(810) 31.89 (810)

Width (W) in (mm) 30.12 (765) 31.69 (805) 31.69 (805) 35.04 (890) 37.24 (946) 37.24(946) 37.24 (946)

Depth (D) in (mm) 11.93 (303) 12.99 (330) 12.99 (330) 13.46 (342) 16.14 (410) 16.14(410) 16.14 (410)

Weight -

Net lbs. (kg) 66.80 (30.3) 74.07 (33.6) 73.63 (33.4) 100.97 (45.8) 134.48 (61) 141.76(64.3) 150.13 (68.1)

Packaging

Height in (mm) 24.02 (610) 24.21 (615) 24.21 (615) 29.13 (740) 34.84 (885) 34.84(885) 34.84 (885)

Width in (mm) 34.92 (887) 36.02 (915) 36.02 (915) 39.17 (995) 42.91 (1090) 42.91(1090) 42.91 (1090)

Depth in (mm) 13.27 (337) 14.57 (370) 14.57 (370) 15.67 (398) 19.69 (500) 19.69(500) 19.69 (500)

Weight -

Gross lbs. (kg) 72.31 (32.8) 80.25 (36.4) 79.37 (36) 108.03 (49) 144.40 (65.5) 151.90(68.9) 158.95 (72.1)

Carton

Drawing

No.

-- 877*327*590 905*360*590 905*360*590 985*388*720 1075*485*86 1075*485*86 1075*485*86

Carton

Material -- Carton Box

Material

Thickness in (mm) 0.197 (5) 0.197 (5) 0.197 (5) 0.197 (5) 0.295 (7.5) 0.295(7.5) 0.295 (7.5)

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

DIMENSIONS (CONT)

Fig. 4 — Sizes 9K-12K (208/230V)

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

DIMENSIONS (CONT)

Fig. 5 — Size 18K (208/230V)

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

DIMENSIONS (CONT)

Fig. 6 — Sizes 24K, 30K, and 36K (208/230V)

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

CLEARANCES

Fig. 7 — Clearances

Table 3 — Clearance Dimensions

NOTE: The outdoor unit must be mounted at least 2in (50mm) above the maximum anticipated snow depth.

Fig. 8 — Clearances for multiple units

UNIT MINIMUM VALUE

IN. (MM)

A 24 (610)

B 24 (610)

C 24 (610)

D 4 (101)

E 4 (101)

Air inlet

Air outlet

59in (150cm)

or more when

facing each other

Blowing into the air-inlet of other

condenser shall be avoided.

24in (60cm)

or more

59in (150cm)

or more on a

multiple parallel

unit arrangement

24in (61cm) or more on a single parallel unit arrangement

19in (48cm) or more on

a multiple parallel unit

arrangement 4in (10cm)

or more on a single

parallel unit arrangemen

9.8in (25cm) or more for proper airflow

24in (61cm) or more is recommended

for service

9.8in (25cm) or more for

proper airflow 24in(61cm)

or more is

recommended

for service

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

INSTALLATION REQUIREMENTS

• A location which is convenient to installation and not exposed to

strong winds.

• A location which can bear the weight of the outdoor unit and where

the outdoor unit can be mounted in a level position.

• A location which provides appropriate clearances (see Fig. 7).

• Allow sufficient space for airflow and service of the unit. See Fig. 7

for the required minimum distances between the unit or walls.

NOTE: DO NOT install the indoor or outdoor units in a location with

special environmental conditions. For those applications, contact your

Ductless representative.

INSTALLATION

Step 1 - Check Equipment

Unpack the unit and move to the final location. Remove the carton, tak-

ing care not to damage the unit. Inspect the equipment for damage prior

to installation. File a claim with the shipping company if the shipment is

damaged or incomplete.

Locate the unit rating plate which contains the proper installation

information. Check the rating plate to ensure the unit matches the job

specifications.

Step 2 - Mount Unit

1. Select the installation location of the outdoor unit following the

installation requirements. To prevent high wind exposure, install the

outdoor unit with the air inlet side facing the wall (see fig 9).

Fig. 9 — High Wind Installation

2. Use a rigid base to support the unit in a level position. If conditions or

local codes require the unit be attached to a pad, tie down bolts should

be used and fastened through knockouts provided in unit base pan.

Refer to unit mounting pattern in Fig. 3 to determine base pan size and

knockout hole location. For hurricane tie downs, contact distributor

for details and PE (Professional Engineer) Certification, if required.

For extreme outdoor conditions applications refer to the 'Cold Climate

Application Guideline Ductless.

PRODUCT INSTALLATION

• Installation must be performed by an authorized dealer or

specialist. A defective installation can cause water leakage,

electrical shock, or fire.

• The installation must be performed according to the installation

instructions. Improper installation can cause water leakage,

electrical shock, or fire. (In North America, installation must be

performed in accordance with the requirements of NEC or CEC

by authorized personnel only.)

• Contact an authorized service technician for repair or

maintenance of this unit. This appliance must be installed in

accordance with local codes.

• Only use the included accessories, parts, and specified parts for

installation. Using non-standard parts can cause water leakage,

electrical shock, fire, or unit failure.

• To prevent exposure to wind, install the outdoor unit with its air

inlet side facing the wall

• Install drainage piping according to the instructions in this

manual. Improper drainage may cause water damage to your

home and property.

•DO NOT install the unit in a location that may be exposed to

combustible gas leaks. If combustible gas accumulates around

the unit, it may cause a fire.

•DO NOT turn on the power until all work has been completed.

• When moving or relocating the system, consult experienced

service technicians for the disconnection and re-installation of

the unit.

WA R N I N G

Strong

wind

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or

improper operation.

In regions with snowfall and cold temperatures, avoid installing

the outdoor unit in areas where it can be covered by snow.

Blocking the air intake may result in reduced airflow, significantly

reduced performance and damage to the equipment.

CAUTION

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Step 3 - Condensate Drain Installation

NOTE: Install drains must meet local sanitation codes.

Install the outdoor unit drain joint

Fit the seal into the drain joint, then insert the drain joint into the base

pan hole of the outdoor unit. Rotate 90° to securely assemble them.

Connect the drain joint with an extension drain hose to avoid condensate

from draining off the outdoor unit during the heating mode.

Fig. 10 — Drain Joint

NOTE: Images are for illustration purposes only.

NOTE: Basepan built-in with multiple holes for proper draining during

defrost. For applications where it is required to seal these

holes, and re-direct the condensate drain, rubber plugs are

available through RCD.

Table 4 — Base Pan Rubber Plugs

Seal Base pan hole

Drain joint

Seal

Base pan Drain

joint

EQUIPMENT DAMAGE HAZARD

In cold climates, ensure the drain hose is as vertical as possible to

ensure swift water drainage. If water drains too slowly, it can freeze

in the hose and flood the unit.

CAUTION

OUTDOOR UNIT

MODEL NUMBER

PER UNIT

BASE PAN RUBBER

PLUGS RCD PART

NUMBER

QUANTITY

38MARBQB12R--1

38MARBQB09R--3

38MARBQB12R--3

12600801A00077 13

38MARBQB18R--3 12600801A00077 25

38MARBQB24R--3

38MARBQB30R--3

38MARBQB36R--3

12600801A00117 5

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