Gree MULTI18HP230V1BO User manual

Models:

MULTI18 P230V1BO

MULTI24 P230V1BO

MULTI30 P230V1BO

MULTI36 P230V1BO

MULTI42 P230V1BO

DUCTLESS INVERTER HEAT PU P

INSTALLATION ANUAL

Table of Contents

Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Suggested Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation Site Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 -7

Crown Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Terra Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 -10

Vireo Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12

Indoor Unit Installation – Piping Design and Layout . . . . . . . . . . . . . . . . . 13-15

Outdoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-18

Indoor Unit Installation – Mounting Bracket and Refrigerant Piping . . . . . 19-20

Piping Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-26

Power and Wiring Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-31

Testing and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-33

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-36

Diagnostic Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-40

Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back

Thank you for choosing a

Ductless Heat Pump

for your customer.

Please read this installation manual carefully before installing and starting up the

Multi21 System. Take a moment to fill out the product and installation form on the

back cover. Retain both the manual and installation record for future reference.

SAFETY PRECAUTIONS

Please read the following before installation.

This is the safety alert symbol. It is used to alert you to potential

personal injury hazards. Obey all safety messages that follow this

symbol to avoid possible injury or death.

This mark indicates procedures which, if improperly performed,

might lead to the death or serious injury of the user.

This mark indicates procedures which, if improperly performed, might

possibly result in personal harm to the user, or damage to property.

Notice is used to address practices not related to personal injury.

General Safety Precautions

1. Instructions for installation and use of this product are provided by the manufacturer.

For proper operation, the system must be installed in accordance with this

installation manual.

2. Installation must be performed in accordance with local laws, regulations and

National Electrical Codes (NEC).

3. If refrigerant leaks while work is being carried out, ventilate the area. Do not allow

refrigerant to come in contact with a flame as it produces toxic gas.

4. Disconnect all electrical power to the indoor and outdoor units until the system is

ready for start-up and checkout.

5. When installing or repairing the system, use only R410A refrigerant. Do not

mix refrigerant with other gases. If air or other gas enter the refrigeration system,

the pressure inside the system may rise to an abnormally high value and cause

damage or injury.

This appliance is not intended for use by persons (including children) with reduced physical,

sensory or mental capabilities, or lack of experience and knowledge, unless they have been given

supervision or instruction concerning use of the appliance by a person responsible for their safety.

WARNING

CAUTION

NOTICE

WARNING

Outdoor Unit

NO ENCLATURE

SYSTE REQUIRE ENTS

REFRIGERANT CHARGE

ELECTRICAL REQUIRE ENTS

Notes: 1) System must be on a single dedicated circuit.

2) Main power is supplied to the outdoor unit.

3) Use table above to size over current protection.

4) Follow all local building codes and NEC (National Electrical Code) regulations.

Interconnecting Cable: Recommended cable - 14/4 AWG stranded bare copper conductors T N 600V unshielded wire

Note: Use shield cable if installation is in close proximity of RF and EMI transmitting devices.

Unit Size (BtuH) Liquid Line

in(mm)

Suction/Gas Line

in(mm)

18,000 Port A 1/4 (6) 3/8 (9.5)

Port B 1/4 (6) 3/8 (9.5)

Port A 1/4 (6) 3/8 (9.5)

24,000 Port B 1/4 (6) 3/8 (9.5)

Port C 1/4 (6) 3/8 (9.5)

Port A 1/4 (6) 3/8 (9.5)

30,000 Port B 1/4 (6) 3/8 (9.5)

Port C 1/4 (6) 3/8 (9.5)

Port D 1/4 (6) 3/8 (9.5)

Port A 1/4 (6) 3/8 (9.5)

36,000 Port B 1/4 (6) 3/8 (9.5)

Port C 1/4 (6) 3/8 (9.5)

Port D 1/4 (6) 3/8 (9.5)

Port E 1/4 (6) 3/8 (9.5)

Port A 1/4 (6) 3/8 (9.5)

Port B 1/4 (6) 3/8 (9.5)

42,000 Port C 1/4 (6) 3/8 (9.5)

Port D 1/4 (6) 3/8 (9.5)

Port E 1/4 (6) 3/8 (9.5)

Unit Size ax Total Pipe in Equivalent ax Equivalent ax Elev btwn ax Elev btwn

(BtuH) Length ft(m) Pipe Length ft(m) Pipe Length ft(m) IND Units ft(m) IND& OTDUnits ft(m)

18,000 65 (20) 10 (3) 33 (10) 33 (10) 33 (10)

24,000 197 (60) 10 (3) 65 (20) 33 (10) 33 (10)

30,000 230 (70) 10 (3) 82 (25) 25 (7.5) 49 (15)

36,000 246 (75) 10 (3) 82 (25) 25 (7.5) 49 (15)

42,000 246 (75) 10 (3) 82 (25) 25 (7.5) 49 (15)

Unit Size Voltage in Circuit ax Overcurrent ain Power

(BtuH) Amps ( CA) Protection ( OP) Wire Size (AWG)**

18,000 208/230v - 1ph 60hz 15 25 12

24,000 208/230v - 1ph 60hz 21 35 8

30,000 208/230v - 1ph 60hz 19 30 10

36,000 208/230v - 1ph 60hz 21 35 8

42,000 208/230v - 1ph 60hz 24 40 8

**Main power wire from electrical panel to outdoor unit. AWG based on 240VAC Single Phase, 100 ft. distance 1-way, max. 5% allowable voltage drop.

REFRIGERANT PIPE LENGTHS

Unit Size Refrigerant Factory System ax Pipe Length w/out Additional

(BtuH) Type Charge oz(kg) adding Refrig ft(m) Charge oz/ft (g/m)

18,000 R-410A 56.5 (1.6) 33 (10) 0.2 (20)

24,000 R-410A 77.6 (2.2) 98 (30) 0.2 (20)

30,000 R-410A 98.7 (2.8) 131 (40) 0.2 (20)

36,000 R-410A 128.8 (3.65) 131 (40) 0.2 (20)

42,000 R-410A 128.8 (3.65) 131 (40) 0.2 (20)

• Standard Wrench

• Adjustable/Crescent Wrench

• Torque Wrench

• ex Keys or Allen Wrenches

• Drill & Drill Bits

• ole Saw

• Pipe Cutter

• Screw drivers (Phillips & Flat blade)

• Manifold and Gauges

• Level

• R410A Flaring Tool

• Clamp on Amp Meter

• Vacuum Pump

• Safety Glasses

• Work Gloves

• Refrigerant Scale

• Micron Gauge

SUGGESTED TOOLS

INSTALLATION SITE INSTRUCTIONS

Indoor Unit

Select a site that allows for the following:

1. Ensure the installation complies with the installation minimum dimensions (defined below)

and meets the minimum and maximum connecting piping length and maximum change in

elevation as defined in the System Requirements section.

Air inlet and outlet will be clear of obstructions, ensuring proper airflow throughout the room.

3. Condensate can be easily and safely drained.

4. All connections can be easily made to outdoor unit.

5. Indoor unit is out of reach of children.

A mounting structure (i.e. wall, ceiling, floor,...) strong enough to withstand four times the full

weight and vibration of the unit.

7. Filter can be easily accessed for cleaning.

8. Leave enough free space to allow access for routine maintenance.

9. Install at least 10 ft. (3 m) away from the antenna of TV set or radio. Operation of the air

conditioner may interfere with radio or TV reception in areas where reception is weak.

An amplifier may be required for the affected device.

10. Do not install in a laundry room or by a swimming pool due to the corrosive environment.

inimum Indoor Clearances - High Wall Units

NOTE:

For minimum clearances of other indoor unit types, refer to

the Installation Instructions enclosed with those indoor units.

6 in

(0.15m)

6 in

(0.15m)

6 ft (1.8m)

6 in (0.15m)

Ceiling

Floor

Air inlet

Air outlet

20 in

(0.5 m) 20 in

(0.5 m)

39 in

(1.0m) 20 in

(0.5 m)

78 in

(2.0 m)

1. Install the outdoor unit at a location that is capable of withstanding twice the weight of the unit.

2. Install the outdoor unit where it is convenient to connect refrigerant lines to the indoor units.

3. Install the outdoor unit where the condensate water can be drained unobstructed during the

heating mode to a safe location.

4. Do not locate the unit where the noise may be objectionable to neighbors.

5. Provide the space shown below, so that the air flow is not blocked and future service and

maintenance can be performed.

Outdoor Unit

INSTALLATION SITE INSTRUCTIONS

Select a site that allows the following:

Air inlet

Air outlet

inimum Outdoor Clearances

12 in

(0.3 m) 20 in

(0.5 m)

20 in

(.05 m) 12 in

(0.3 m)

78 in

(2.0 m)

18K and 24K Unit

30K, 36K and 42K Unit

PIPE SIZE – in(mm)

Unit Size (BtuH) Liquid Line Suction/Gas Line

9,000 1/4 (6) 1/2 (12)

12,000 1/4 (6) 1/2 (12)

18,000 1/4 (6) 5/8 (16)

CROWN INDOOR UNIT INSTALLATION

odel ABC

CROWN09 P230V1A

37.8 (960) 12.6 (320) 8.1 (205)

CROWN12 P230V1A

37.8 (960) 12.6 (320) 8.1 (205)

CROWN18 P230V1A

37.8 (960) 12.6 (320) 8.1 (205)

31/2 27 7 3/8

3 1/8

INDOOR UNIT DI ENSIONS – in(mm)

Crown Unit ounting Bracket Diagram (inches)

9K, 12K and

18K Unit

Crown

3.5 27.0 7.1

3.1

2.0

Left Right

(Rear piping hole) (Rear piping hole)

TERRA INDOOR UNIT INSTALLATION

odel ABC

TERRA09 P230V1A

34.1 (866) 11.5 (292) 8.2 (208)

TERRA12 P230V1A

34.1 (866) 11.5 (292) 8.2 (208)

TERRA18 P230V1B

40.1 (1018) 12.6 (319) 9.1 (231)

TERRA24 P230V1B

46.4 (1178) 12.8 (325) 10.4 (264)

PIPE SIZE – in(mm)

Unit Size (BtuH) Liquid Line Suction/Gas Line

9,000 1/4 (6) 1/2 (12)

12,000 1/4 (6) 1/2 (12)

18,000 1/4 (6) 5/8 (16)

24,000 1/4 (6) 5/8 (16)

INDOOR UNIT DI ENSIONS – in(mm)

Terra

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