Haier 2U18MS2VHB Bedienungsanleitung

INSTALLATION PAGE 1

ENGLISH

Ductless Split Heat Pump

Wall Mount Type Indoor

7K: AW07LC2VHA

9K: AW09LC2VHA

12K: AW12LC2VHA

18K: AW18LC2VHA

Installation Manual

Table of Contents

Outdoor Unit Installation ........................................................................... 2-13

Introduction - Overview ................................................................................................................ 2-4

Step 1 - Preparation........................................................................................................................... 5

Step 2 - Installation of the Outdoor Unit .......................................................................................... 6

Step 3 - Refrigerant Line Connections ......................................................................................... 6-8

Step 4 - Leak Test and Evacuation................................................................................................ 8-9

Step 5 - Electrical Connections................................................................................................. 10-11

Step 6 - Charging ............................................................................................................................. 12

Step 7 - System Test ....................................................................................................................... 12

Step 8 - Explaining Operation to the End User............................................................................... 12

Seacoast Application ....................................................................................................................... 13

Indoor Unit Installation - Cassette ........................................................... 14-19

Introduction - Overview ............................................................................................................ 14-15

Step 1 - Preparation......................................................................................................................... 16

Step 2 - Installation of the Cassette Unit ................................................................................. 17-18

Step 3 - Electrical Connections....................................................................................................... 19

Step 4 - Louver Installation ............................................................................................................. 19

Step 5 - Pull Vacuum on System...................................................................................................... 19

Indoor Unit Installation - Wall Mount ........................................................ 20-24

Introduction - Overview .................................................................................................................. 20

Step 1 - Preparation......................................................................................................................... 21

Step 2 - Installation of the Wall Mount Unit .............................................................................. 22-23

Step 3 - Electrical Connections....................................................................................................... 24

Step 4 - Pull Vacuum on System...................................................................................................... 24

Remote Controller ................................................................................... 25-28

Outdoor Unit

18K: 2U18MS2VHB

24K: 3U24MS2VHB

36K: 4U36MS2VHB

Compact Cassette Type Indoor

7K: AD07SL2VHA

9K: AD09SL2VHA

12K: AD12SL2VHA

18K: AD18SL2VHA

INSTALLATION

PAGE 2

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Outdoor Unit Product Information

The FlexFit Multi-zone Heat Pump systems feature DC



The inverter technology operates variable speed

compressors and fan motors. The outdoor is equipped

with electronic expansion valves , which control



is installed. All of the outdoor units feature an internal

oil separator to increase compressor live. These

systems use R-410A refrigerant.

Some models feature self diagnostic boards that will



system start up.

All outdoor units have built in diagnostic error

detection circuits. If an error is detected, the

system will take the necessary steps to either make

adjustments or shut down to prevent damage from

occuring. Some error codes will be displayed on the

indoor unit display panel.

These systems can be connected to up to 4 individual

indoor units. It is not necessary to use all of the

available ports. The available combinations of indoor

and outdoor unit capacities are listed in this manual.

Available indoor units include high wall type, cassette

type and ducted/concealed type.



The outdoor unit provides power to indoor units via

terminal connections on the outdoor unit.

Flare Connections

and Ports

Self Diagnostic Board

Indoor Unit Power and Comm Wiring

Control Boards

Outdoor Unit Installation

Introduction - Overview

INSTALLATION PAGE 3

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Introduction - Overview

Outdoor Unit Product Information

Temperature Control and the Inverter

The outdoor unit inverter will operate the compressor,

outdoor fan motor and indoor fan motor at the proper speed

to provide enough capacity to satisfy the heat load from all

operating indoor units.

As the temperature in the zones gets closer to the setpoint

requirement, the inverter will slow everything down. This is

normal operation.

As temperature setpoint is reached, the inverter will run

everything slowly to provide small amounts of capacity to

keep the rooms comfortable. At times, the air coming out of

the indoor units will be close to or at room temperature. This

is normal.

This precise match of capacity and load is how ductless air



Matching up the outdoor unit to indoor units

The approved combinations of indoor unit capacity and

outdoor unit model are shown at the right. The capacity

ratings can be matched to any of the high wall, cassette, or

ducted concealed models.

The systems are not rated for use of only 1 indoor unit. Do

not vary from the available combinations in these tables.

When ports are not used, always connect the refrigerant

lines to circuits located at the outdoor units lowest possible



outdoor port size to the required port size of the indoor unit.

Operating Temperature Ranges

• Cool Mode: 14OF - 114OF

• Heat Mode: 5OF - 74OF

INSTALLATION

PAGE 4

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Product Specications

Model Number Outdoor 2U18MS2VHB 3U24MS2VHB 4U36MS2VHB

Cooling Non-ducted

Rated Capacity Btu/hr 17,400 22,500 34,000

Capacity Range Btu/hr 4,400-19,400 5,000-24,500 5,000-36,000

Rated Power Input W 1,650 2,250 3,770

SEER 16.0 18.0 18.0

EER 10.5 10.0 9.0

Cooling Ducted

Rated Capacity Btu/hr 16,500 21,000 31,000

Capacity Range Btu/hr 4,400-19,400 5,000-23,000 5,000-34,000

Rated Power Input W 1,800 2,416 3,590

SEER 15.5 16.0 16.0

EER 8.5 8.5 8.5

Heating Non-ducted

Rated Heating Capacity 47°F Btu/hr 19,100 23,000 34,500

Heating Capacity Range Btu/hr 6,100-22,100 6,100-25,500 6,100-36,500

Rated Power Input W 1,570 1,700 2,650

HSPF 8.6 9.5 9.0

Rated Heating Capacity 17°F Btu/hr 13,000 15,000 22,000

Max. Heating Capacity 17°F Btu/hr 14,000 18,000 26,000

Max. Heating Capacity 5°F Btu/hr 12,000 16,000 24,000

Heating Ducted

Rated Heating Capacity 47°F Btu/hr 18,000 22,000 33,000

Heating Capacity Range Btu/hr 6,100-22,100 6,100-25,000 6,100-35,000

Rated Power Input W 1,700 2,100 3,000

HSPF 8.2 8.5 9.0

Rated Heating Capacity 17°F Btu/hr 10,000 14,000 21,000

Max. Heating Capacity 17°F Btu/hr 12,000 17,000 25,000

Max. Heating Capacity 5°F Btu/hr 10,000 15,000 23,000

Operating Range Cooling °F(°C) 14~115(-10~46) 14~115(-10~46) 14~115(-10~46)

Heating °F(°C) 5~75(-15~24) 5~75(-15~24) 5~75(-15~24)

Power Supply Voltage, Cycle, Phase V/Hz/- 208-230/60/1 208-230/60/1 208-230/60/1

Outdoor Unit

Compressor Type DC Interver Driven Rotary

Maximum Fuse Size A 25 25 30

Minimum Circuit Amp A 15 18 23

Outdoor Fan Speed RPM 300 ~ 900 300 ~ 900 300 ~ 900

Outdoor Noise Level dB 53 54 56

Dimension: Height in (mm) 27 1/16(688) 28 3/4(730) 33 1/16(840)

Dimension: Width in (mm) 31 7/8(810) 33 7/8(860) 37 5/16(948)

Dimension: Depth in (mm) 11 5/16(288) 12 1/8(308) 13 3/8(340)

Weight (Ship/Net)- lbs (kg) 102.5/95.9(46.5/43.5) 123.4/116.8(56/53) 191.8/167.5(87/76)

Indoor Unit Max Indoor units 2 3 4

Refrigerate Line

Connections Flare Flare Flare

Liquid O.D. in 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4

Suction O.D. in 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1/2

Factory Charge Oz 49.5 74.0 113.0

Maximum Line Length Ft / m 100/30 200/60 230/70

Maximum Height Ft / m 50/15 50/15 50/15

Maximum Line Length for each indi-

vidual indoor unit Ft / m 82/25 82/25 82/25

Introduction - Overview

INSTALLATION PAGE 5

ENGLISH

Outdoor Unit Clearances

Step 1 - Preparation

more than 8 in.

more than 6 in.

more than 4 in.

more than 24 in.

more than 10 in.

Required Tools for Installation Procedure for Selecting the Location

 Drill

 Wire Snipper

 Hole Saw 2 3/4”

 Vacuum pump

 Soap-and-water solution or gas leakage

detector

 Torque wrench

 17mm, 22mm, 26mm

 Tubing cutter

 Flaring tool

 Razor knife

 Measuring tape

 Level

 Micron gauge

 Nitrogen

 Mini-Split AD-87 Adapter (1/4” to 5/16”)

 A - Non-adhesive Tape

 B - Adhesive Tape

 C - Saddle (L.S.) with screws

 D - Electrical wiring

 E - Drain hose (Included)

 F - Insulation

 G - Piping hole cover (Included)

more than 10ft away depending on radio

wave conditions.)

 

do not place anything under the unit that

must be kept away from moisture.

Note:

1) Cannot be installed hanging from ceiling

or stacked.

2) If installing on a high place such as a roof,

with a fence or guard rail around it.

3) If there is a potential for accumulated

snow to block the air inlet or heat ex-

changer, install the unit on a higher base.

4) R-410A refrigerant is a safe, nontoxic and



there is a concern about a dangerous level

of refrigerant concentration in the case of

refrigerant leakage, add extra ventilation.

5) Avoid installing the outdoor unit where

corrosive gases, such as sulfur oxides, am-

monia, and sulfurous gas, are produced. If

unavoidable, consult with an installation

specialist about using a corrosion-proof or

anti-rust additive to protect the unit coils.

 Choose a place solid enough to bear

the weight and vibration of the unit and

where the operation noise will not be



 Choose a location where the hot air

discharged from the unit or the operation

noise and will not cause a nuisance to the

neighbors of the user.

 

carrying the unit into and out of the site.

 

passage and no obstructions around the

air inlet and air outlet.

 The site must be free from the possibility



place.

 Locate the unit to avoid noise and

discharged hot air will not annoy the

neighbors.

 Install units, power cords and inter-unit

cables at least 10ft away from television

and radio sets. This is to prevent

interference to images and sounds.

(Noise may be heard even if they are

INSTALLATION

PAGE 6

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Set the Outdoor Unit

2.1 Step - 2.1

Set the unit on mount or pad. If located in snow area, use heat

pump risers to elevate the outdoor unit.

Make sure the outdoor unit is installed level and is stable.

Step 2.2

Attaching Drain Elbow to Outdoor Unit

2.2 Step - 2.2

If the unit is located in an area where freezing can occur, do





these instructions.

If attaching the supplied drain elbow to the outdoor unit,

do so prior to attaching the refrigerant lines and wiring.



Use drain plug for drainage.



surface, place additional foot bases of at least 1 1/6 in. in

height under the outdoor unit’s feet.

In cold areas, do not use a drain hose with the outdoor

unit. (Otherwise, drain water may freeze, impairing heating

performance.)

The maximum lift allowed between the outdoor unit and

COMBINED indoor units is 50 feet total of all installed units.

For example, 3 units with 15 elevation each is 45 feet.

The maximum allowable piping length for ALL INSTALLED

indoor units is a total of:

18K Outdoor Models: 100 Feet

24K Outdoor Models: 200 Feet

36K Outdoor Models: 230 Feet

The maximum refrigerant piping length allowable to a

Cassette unit is 82 feet.

Piping Limits Pipe Size

Use the refrigerant line size that is indicated in the



adapters to adapt size to the outdoor unit if necessary.

Step 2 - Installation of the Outdoor Unit

Step 3 - Refrigerant Line Connections

INSTALLATION PAGE 7

ENGLISH

Connection Priority

The line sets are connected to the indoor

piping port connections labeled A thru up





the unit.

Note: Start the connections at the lowest

port. Always size the lines to the require-

ment of the indoor unit. Use a line size



the port size on the outdoor unit.

If any ports are not used, they remain

capped. Unused ports should be near the

top of the outdoor unit connection mani-

fold. Remember, always start from bottom

to top.

Step 3 - Refrigerant Line Connections

INSTALLATION

PAGE 8

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Leak Test

3.1 Step - 3.1

Refrigerant piping connections for the mini-split system are





use caution to prevent dirt or debris from entering the tubing.

Remember to place the nut on the pipe before creating the



3.2 Step - 3.2

To join the lineset piping together, directly align the piping





connection.

3.3 Step - 3.3



standard wrench, and one torque wrench. See Table 1 for the



Step 3.1

Half union Flarenut

Torque wrench

Spanner

Forced fasteningwithout carefulcentering may

damagethe threads and cause a leakageofgas.

Pipe Diameter(ǿ)Fastening torque

Liquid side6.35mm(1/4") 18N.m/13.3Ft.lbs

Liquid/Gas side9.52mm(3/8") 42 N.m/30.1Ft.lbs

Gasside12.7mm(1/2")55N.m/40.6Ft.lbs

Gasside15.88mm(5/8") 60 N.m/44.3Ft.lbs

Table 1

Step 3.2

Step 3.3

Hazard of Explosion! Never use an open ame to detect

gas leaks. Explosive conditions may occur. Use a leak test

solution or other approved methods for leak testing. Failure

to follow recommended safe leak test procedures could

result In death or serious injury or equipment or property

damage.

Use only dry nitrogen with a pressure regulator for

pressurizing unit. Do not use acetylene, oxygen or

compressed air or mixtures containing them for pressure

testing. Do not use mixtures of a hydrogen containing

refrigerant and air above atmospheric pressure for pressure



an explosion. Refrigerant, when used as a trace gas should

only be mixed with dry nitrogen for pressurizing units. Failure

to follow these recommendations could result in death or

serious injury or equipment or property damage.

Step 4.1

Piping Connection

Step 3 - Refrigerant Line Connections

Step 4 - Leak Test and Evacuation

4.1 Step - 4.1

Using a tank of nitrogen with attached regulator, charge

the system with 150 PSIG of dry nitrogen. Use adapter AD-





methods. If a leak is detected, repair and recheck. If no leaks

are detected, proceed to evacuate the system.

INSTALLATION PAGE 9

ENGLISH

Step 4.3

Step 4.5

Step 4.4A

Step 4.4B

System Evacuation

4.2 Step - 4.2

Attach a manifold gauge, micron gauge, and vacuum pump



(Illustration 5)

Evacuate the system to 350 microns.

Close the vacuum pump valve and check the micron

gauge. If the gauge rises above 500 microns in 60 seconds,

evacuation is incomplete or there is a leak in the system. If

the gauge does not rise above 500 microns in 60 seconds,

evacuation is complete.

4.3 Step - 4.3

Remove the adapter and hose connection from the suction

line port, and replace the cap.

4.4 Step - 4.4A & 4.4B

Remove the caps from the liquid line and suction line valves

valve. Using the hex wrench, open each of the valves, then

replace and tighten the caps.

4.5 Step - 4.5

Wrap the lineset, drain line, and wiring starting at the bottom

of the bundle with an overlap type wrap, concluding at the

piping hole. Use a sealant to seal the piping hole opening to

prevent weather elements from entering the building.

Verify the condensate drain line has a constant pitch





in the failure of the condensate to exit the piping.

Illustration 5

Step 4.2

Step 4 - Leak Test and Evacuation

Note: This system has one set of service valves. When evacuating the system, the service valve ports will have access to all in-

door units and refrigerant line sets. Evacuation at the service valve ports will evacuate the ENTIRE piping system including indoor

units.

INSTALLATION

PAGE 10

ENGLISH

Wiring Unit

5.1 Step - 5.1

Remove the cover plate of the outdoor unit to expose the

terminal block connections.

5.2 Step -5.2

Connect Line Voltage from Circuit Breaker/Disconnect to

outdoor unit wire terminal

Always follow local and national codes when installing

electrical wiring. The required fuse size can be found in the



Connect wiring from indoor units

Use14/4 AWG Stranded wire when connecting the outdoor

unit to the indoor unit. Connect the wiring to the correct

terminals based upon the piping connections. For example,

Circuit A wiring goes to the piping feeding Circuit A. Do not

cross the wiring and piping.

Step 5 - Electrical Connections

5.3 Step - 5.3

Replace the cover plate.

Step 5.1

Step 5.2

Line Voltage

Terminals

Indoor Unit Terminals

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