Rheem SMUL 12 Bedienungsanleitung

INSTALLATION INSTRUCTION

FLOOR /CEILING INDOOR UNIT

MODEL: SMUL 12,18,24,30,36,48,60

Read this instructions carefully before installation.

P. 12 P. 01

RHEEM REV 01

Dimemsion

P. 02 P. 11

Detaching the mounting bracket (Hanger Arm) from the unit.

1. Detached the side panel from both side of the unit.

2. Loosen the mounting bolts and remove the hanger arm

3. Prepare to install the hanger arm on the ceiling or wall. Refer to the drawing below and the dimension

of the unit.

4. Drill a hole in the ceiling or wall for the anchor bolts.

5. Insert the anchor bolts into the drilled hole and drive the pin completely with a hammer. (See drawing

below)

TEST RUNNING

RUN TEST:

* Check electrical main wire “ voltage”.

* Run the air conditioner for 15 minutes or more. Check the electrical current with ammeter

and compare with the specification.

Ammeter

wire

P. 10 P. 03

6. Mount the hanger arm into the anchor bolt with washer, spring washer and nut.

7. Prepare the mounting bolts on the unit as shown below.

8. Hang the unit on the hanger arm by sliding backward (See figure below). Securely tighten the mounting

bolts on both sides.

Ceiling mounted

Wall mounted

NOTE:

Make sure that the holes for refrigerant piping and drainpipe were prepared before mounting the unit.

ELECTRICAL WIRE DIAGRAM

* Wiring as shown in electrical wiring diagram.

* Use copper conduction only.

* How to tighten screw on terminal block.

1.Bare the ends of electric wire.

2.After retaining the wire. Check that all terminal

screws are firmly tightened.

REMARK: -

-ELECTRICAL WIRE SIZE 2.5 MM

-FUSE 3 AMP FOR P.C. BOARD

FAN

MOTOR 2

TO CONTACTOR

24 V ONLY

BLACK GRAY 4

FAN

MOTOR 1

ROOM TEMP. SENSOR

FREEZE SENSOR

STEP MOTOR

C1/:WIRING/MILLER/S256

DISPLY

SWING

MOTOR

TRANSFORMER

FUSE

CONTROL

UNIT

NL1

Comp

LINE-C

MED

LOW

HIGH

24 V

SWP

GREEN-

YELLOW

LINE-RED

NEUTRAL-BLACK

WIRING DIAGRAM FANCOIL UNIT S256

POWER SUPPLY 220~240V~,50Hz/60Hz

CAPACITOR CAPACITOR

1POWER SUPPLY

GRAY 2

P. 04 P. 09

LOCATION FOR INDOOR UNIT

Select the location the indoor unit with the following consideration:

1.The front of the air injet and outlet shall be free from any obstration. The outlet air

should flow out freely.

2. The wall where the unit is to be mounted should be stiff enough not to resonant

and produce noise.

3. The place should allow easy access to install the copper tube pipe to the outdoor.

4. Ensure the clearance on every side of the indoor unit to conform to figure below.

5. From the floor the height should be more than the eye level.

CAUTION : Avoid installing the unit form direct sunlight.

IR PURGING AND CHECK OF PIPE LEAKAGE

The purpose of air purging is to get rid of -- Use hexagonal wrench to open both

moisture and air in the system, other wise high pressures, low –pressure valve to

moisture and air may cause and the end (counter clockwise).

ineffectiveness of compressor which directly Tighten the blank cap of three-way

effects to the cool air.

Valve.

PURGING BY USING VACUUM:

Cover indoor unit joint with pipe

After tighten flare nut between indoor and insulation and 4 plastic bands prevent

Outdoor unit. Condensation at joint.

•Remove the blank cap of three-way

•Valve by using torque wrench .Check

Both high pressure and low-pressure

Valve are in closed condition.

•Remove the nut of the service port.

•Connect gauge into the service port.

•Connect gauge into the vacuum pump

•Vacuum until gauge indicate at 30-

Inch mercury pressure.

•Remove gauge. Tighten up the nut of

service port.

GAS LEAKING CHECK:

-- Check leakage by apply soapsuds to

Ever connection and inspect carefully

after checking wipe them off completely.

P. 08 P. 05

LIQUID PIPE AND DRAIN PIPE

* Drain pipe should be above ground

and the end off the pipe does not dip

into water all pipes must be restrained

wall by saddled.

IF THE OUTDOORS UNIT IS INSTALLED

LOWER THAN INDOOR UNIT

* Taping method ,taping from lower part

to upper

* All pipes are bound together by tape

and restrained to the wall by saddles.

IF THE OUTDOORS UNIT IS INSTALLED

HIGHER THAN INDOOR UNIT

* Taping should done from lower to upper part.

* All pipes are bound and taped together and trapped

the pipes to prevent water returning to the room.

(see picture)

* Restrain all pipes to the wall with saddles.

REFRIGERANT PIPING WORK

1. Selection of copper pipe for gas pipe and liquid pipe as informed in specific table(see pipe table)

2. For dust moisture protection , before assembly the pipe and its insulation, both end of the pipe

must be coverage.

3. Avoid pipe bending as mush as possible. If it is necessary, the bending radius must be more

than 3 or 4 cm.

Gas pipe and liquid pipe insulation depending upon copper pipe size and the insulation thickness=3/8’’

4. the connection indoor unit and outdoor unit.

•Unscrew flare nut for releasing pressure gas in indoor unit .If there is no high-pressure

gas blowing out, it is the signal of leaking indoor unit.

•Fit flare nut with liquid pipe. Flaring the pipe ‘s end with fare tool.

Connecting Wire

Liquid Pipe

Heat pump only

Piping tape

Drain pipe 1/2"

Gas pipe

PIPE LIMITATION AMD RECOMENATION FOR CHARGING R-22

BTU/HR PIPNG BETWEEN INDOOR & OUTDOOR UNIT PIP SIZE OD. EXTRA CHARGING R-22

HEIGHT DIFFERENT PIPNG ( INCH.) FOR PIPE LENGTH

H(CON.ABOVE H(CON.UNDER LENGTH MORE THAN 5 M

FANCOIL) FANCOIL) (ONE WAY)

LIQUID

GAS

(GRAM/M)

10,000-12,000 15 M. 10 M. 20 M. 1/4 1/2 30

16,000-33,000 20 M. 15 M. 30 M. 3/8 5/8 60

36,000-48,000 25 M. 20 M. 35 M. 3/8 3/4 70

25 M. 20 M. 55 M. 3/8 7/8 80

56,000-60,000 25 M. 20 M. 35 M. 1/2 3/4 120

25 M. 20 M. 50 M. 1/2 7/8 120

25 M. 20 M. 60 M. 1/2 1-1/8

120

P. 06 P. 07

•Drain hose outlet from indoor unit can be manage in 3 style ::rear ,left and right of the indoor unit

•Tighten both fare nuts into gas pipe and liquid pipe at the indoor unit with two holding spanners.

5. Condense drain

•Be sure the unit reasonably level and pitched toward the drain to ensure proper grange.

•Piping material

(a) oft Vinyl chloride Pipe 22 MM. Nominal pipe size.

(b) Hard Vinyl chloride (PVC) Coupling 22 mm. Nominal pipe size.

•Connect the soft/hard vinyl chloride pipe to the coupling, see fig.8

•The indoor unit uses gravity to drain: Therefore the piping outside the unit should slope downward.

•“IMPORTANT “ Avoid draining as shown in fig. 9.

6. Refrigerant piping

•Connections to the indoor unit are flared connection.

1. Make flared joints for both suction and liquid lines.

2. Ensure tube and fittings are in line with one another before tightening nut to provide concentric

seating of tube on prevent leakage.

•Brazing should be performed with a constant purge of nitrogen trough the piping. This to

Keep inside of tube clean.

•Insulate suction and liquid and liquid line separately to prevent sweating.

FIG 8

FIG 9

PIPE PREPARATION

-PIPE & ELECTRICAL WIRE CUTTING

* Use cutting tools easily found in the market.

* Measure precisely both outer & inner pipe.

* Provide Alltel bit longer pipe than the measurement.

* Wire must be 1.5 m. longer than the refrigerant tube.

-REAMING

* Clean inside of the inner refrigerant tube.

* While reaming, the tube end must be on the top

of the reamer to prevent any dust going back into

the tube.

-FLARING THE PIPE FND

* Flare both ends of the pipe with flaring kit by

fitting the flare nut on the pipe before flaring.

Set the die on the pipe so that pipe end is

0.5 mm. Above top of the die .Check if the pipe

end is even and perfectly round.

-WIRE CONNECTION AND TAPE COVERING

(See the picture on the right hand side)

Cutting Tool

Rough Cut

Right

Sloped Cut

Wrong

Refrigerant Tube

Reamer

Up side

down position

Uneven

Thickness

CrackedPoor

Skin

Uneven

Slope

Low Pressure Refrigerant Tube

30-40 mm.

To Indoor Unit To Outdoor Unit

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