Airwell DS 28 RCFA User manual

CENTRAL AIR CONDITIONER

SPLIT SYSTEM

WITH ELECTRONIC CONTROL

SERIES:

INSTALLATION INSTRUCTIONS

DS 28 RCFA / GC 28 RCFA

DS 26 RCG/ GC 24RCC-S

DS 30 RCFA / GC 30 RCFA

DS 30 RCG / GC 30 RCC

DS 35 RCF / GC 34 RCC

DS 55 RCF / GC 55 RCFX

DS / CAT. NO.000000 / ENGLISH / REV. 03

DS MAN. MENU

INDEX

GENERAL............................................................................................................................................. 2

UNIT LOCATION CRITERIA................................................................................................................. 2

DIMENSIONAL DRAWINGS................................................................................................................. 3

INDOOR UNIT INSTALLATION..........................................................................................................

Indoor unit location...........................................................................................................................

Floor mounting..................................................................................................................................

Ceiling mounting...............................................................................................................................

OUTDOOR UNIT INSTALLTION...........................................................................................................

INSTALLATION OFINTERCONNECTING TUBING BETWEEN INDOOR AND OUTDOOR UNIT.... 10

General.............................................................................................................................................

Recomendation for interconnecting tubing installation..................................................................... 11

Setting in operation..........................................................................................................................

DRAIN INSTALLTION...........................................................................................................................

ELECTRICAL CONNECTIONS.............................................................................................................

Interconnecting cable........................................................................................................................ 16

Display control unit............................................................................................................................ 16

RCW-Remote control........................................................................................................................ 18

FINAL TASKS........................................................................................................................................ 19

DS MAN. MENU

1. GENERAL

The DS air-conditioners include two separate units - Indoor and Outdoor Unit. The two units are

interconnected by two refrigerant tubes and an electric cable. The DS indoor units can be supplied with right

or left hand access for service and tube connection. Right/left hand sides are defined when looking at the unit

from behind it (filter side). Unit functions are controlled by a Display Control Unit and a wireless Remote

Control (or optional wired Remote Control). For outline dimensions -see Figure 1.

WARNING

The air conditioner must be installed by authorized technicians, according to company specifications and

using company standard tubing, electric cables and proper installation tools. Failure to comply with the above

may invalidate your warranty!

2. UNIT LOCATION CRITERIA

In selecting proper location, the following criteria must be considered:

a) The outdoor unit and the indoor unit must be installed as close to each other as possible. For

tubing length and diameters - see Table No.1. If longer tubing is required consult your dealer.

b) Outdoor unit installation should provide for:

•Easy service access.

•Minimum disturbance to the owner and nearby neighbors.

•A minimum distance of 200 mm from the wall, as shown in Figure 6.

•If installed in a closed place (balcony, attic, etc.), outdoor air vent must be provided to prevent hot/cold

air from recirculating through the outdoor unit.

•If several outdoor units are installed in the same area, make sure that the hot air outlet from one

outdoor unit does not enter another outdoor unit.

•Verify that any wall on which the outdoor unit is installed is capable of carrying the unit’s weight. Do not

install on a light unstable structure susceptible to vibration.

•When installing on a balcony above the first floor, make sure that the outdoor unit location allows easy

access for removal of the top cover and/or the entire unit, if necessary

•If the outdoor unit is installed in a non-accessible location, long and flexible refrigerant tubing and

electrical cable must be installed to allow the unit to be moved for servicing.

•Do not install the unit in a highly polluted area in which the air is contaminated by oil mist, salt or

sulfuric gas.

DS MAN. MENU

3. DIMENSIONAL DRAWINGS

INDOOR UNIT (Evaporator) - right side connection

1. Air Supply

2. Electrical Box

3. Access Panel

4. Refrigeration Tubing

Port

5. Drain Port - G (OD)

6. Return air spigots

7. Control Unit Port

8. Main Power Port

Figure 1. Indoor Unit Outline Dimensions & Return Air Spigot Connection Size

OUTDOOR UNIT (Condenser)

GC 24RCC-S

Dimensions DS 28 RCFA DS 30 RCFA DS 30 RCG DS 35 RCF DS 55 RCF

A 785 785 785 785 1140

B 755 755 755 755 1115

C710 710 710 710 1085

D 300 300 300 300 335

E 595 595 595 595 680

F 25 25 25 25 340

G 3/4" 3/4" 3/4" 3/4" 3/4"

H 325 325 325 325 325

W 608 608 608 608 1021

X 490 490 490 490 340

DS 26 RCG

785

755

710

300

595

3/4"

325

608

490

845

690

545

490

AIR INTAKE

AIR OUTLET

330

302

350

151.5 151.5

370

300

325

DS 28 RCFA / GC 28 RCFA

DS 26 RCG/ GC 24 RCC-S

DS 30 RCFA / GC 30 RCFA

DS 30 RCG / GC 30 RCC

DS 35 RCF / GC 34 RCC

DS 55 RCF / GC 55 RCFX

DS MAN. MENU

337

362

380

WIRING

CONNECTIONS

LIQUID TUBE

(FLARED)

SUCTION TUBE

(FLARED)

AIR INTAKE

AIR OUTLET

357

680

340

900

705

225

293

GC 30 RCFA

GC 30 RCC

GC 34 RCC

DS MAN. MENU

Figure 2. Outdoor unit - General Outline Dimensions

Figure 2A. - Example of Installation

1260

950

340

AIR INTAKE

AIR OUTLET

378.5

572

65.5

GC 55 RCFX

DS MAN. MENU

4. INDOOR INSTALLATION

4.1 Indoor Unit Location (See Figure 3)

The indoor unit is designed for installation on a false ceiling or other compartment, where

there is no influence from outdoor conditions.

While selecting the location, the following conditions must be assured:

a) The location should assure free flow of the return air into the unit without

interference.

b) The unit should not be installed close to rooms where noise should be avoided

(bedrooms, children rooms, etc.).

The location should allow good air circulation.

1. Frame installed by

Technical Personnel

2. Flexible Joint

3. 1” thick Duct Acoustic

Insulation

4. Cross Section Area

min. 800x300 mm

5. Return Air Intake Grille

800x900 mm (or

similar)

6. Return Air Intake

7. Air Filter Opening and

Cover

8. Bottom Access

9. Electrical Box

10. Acoustic Insulation

Figure 3. Requirements for Indoor Unit Location

DS MAN. MENU

Where the unit must be installed in an attic space or outside, the following conditions must be

assured:

a) The unit must be protected from rain, heat and radiation by an additional layer of 1”

thick thermal insulation.

b) The return-air duct should be as short as possible, with a minimum dimension of

700x300 mm (or similar cross section) with full acoustical lining inside, and no more

than two long-radius elbows. The cross section at the duct connection to the unit shall

be equal to that of the unit.

c) The distance between the return air grille and the air intake on the unit must be as

short as possible. A minimum free passage of 0.3 m is necessary along the entire

return-air path.

d) The installation should be designed to withstand the weight of the unit and avoid

resonance vibrations. Use serrated rubber mounting under the unit and flexible joints

for the air duct.

Design and prepare in advance easy access for servicing as follows: (See Figure 3)

e) The minimum height clearance for the installation is 470 mm.

f) Allow the access to the electrical control box to facilitate its easy removal by opening

the cover (fastened by 3 screws). Allow also the access to the 700 mm long cable

which is tied inside the unit to enable relocation of the control box.

g) A distance of 200 mm must be kept between the rear side of the unit and any near-by

wall, to allow free air passage.

h) A distance of 300 mm must be kept to allow free air intake and convenient access to

air filters. Allow the access to service panels from opposite sides (right and left) for

the maintenance of fan and motor.

DS MAN. MENU

4.2 Floor Mounting - for DS Series Only

(See Figure 4)

Place two layers of serrated 60x60 mm rubber pa at the four

corners under the unit base. Insert a 1.5 mm thick sheet metal

between the two rubber pads and between the bottom pad and

the concrete surface.

1. Serrated Rubber 60x60 mm

2. Sheet Metal 60x60 mm

3. Concrete Surface

Figure 4. Indoor Unit Installation

4.3 Ceiling Mounting

The indoor unit can be mounted using spring or serrated rubber

isolators.

a. Spring isolators mounting

Insert four 3/8” stu in the ceiling according to the

dimensions of the spring-type isolators. Mount four spring

type isolators as shown in Figure 5. Attach indoor unit to

the spring-type isolators and level it, using the leveling

nuts. Secure in place by tightening the fastening nuts.

1. Concrete Ceiling

2. Bolt for Ceiling Insert

3. Leveling Nut

4. Fastening Nut

Figure 5. Indoor Unit Installation –

Ceiling Mounting using Spring Isolators

DS MAN. MENU

b. Serrated Rubber Mounting

In sites where the spring isolators assemblies

cannot be installed, mount the unit as show in

Figure 6. Insert four 3/8” studs in the ceiling

according to the dimensions of the suspension

angle frame mounted on the unit. Prepare two

30x30 mm, 1.5 mm thick galvanized sheet metal for

each stud and assemble according to Figure 6. The

rubber pa may be substituted by springs suitable for

this type of installation.

1. Concrete Ceiling

2. Bolt for Ceiling Insert

3. Leveling Nut

4. Fastening Nut

Figure 6. Indoor Unit Installation -

Ceiling Mounting using Rubber

Isolators

5. OUTDOOR UNIT INSTALLATION

Installation on flat surface (roof, ground, etc.)

Install outdoor unit support in a position elevated at least

100 mm on a concrete pad, concrete block or wooden beams,

in order to allow free water flow underneath (See Figure 7).

1. Outside the building

2. Outdoor Unit

3. Serrated Rubber 40x80 mm

4. Floor

5. Concrete base or floor tiles

6. Anchor Screws

7. Wall

Figure 7. Outdoor Unit Installation Criteria

DS MAN. MENU

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