Heat Controller VMH 36 Series Gebrauchsanweisung

Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com

INSTALLATION, OPERATION

& MAINTENANCE MANUAL

Inverter Single Zone

Ductless Mini Split Heat Pump

VMH 30/36 Series

Version C

SAFETY PRECAUTIONS

SELECT THE BEST LOCATION

INDOOR SECTION

FIT THE INSTALLATION PLATE

DRILL A HOLE IN THE WALL

CONNECTIVE PIPE AND DRAINAGE INSTALLATION

CONNECTING THE COMMUNICATION CABLE

OUTDOOR SECTION

OUTDOOR INSALLATION PRECAUTION

DRAIN JOINT INSTALLATION

REFRIGERANT PIPE CONNECTION

CONNECT THE CABLE TO THE OUTDOOR UNIT

AIR PURGING

TEST OPERATION

INDOOR UNIT

OUTDOOR UNIT

ACCESSORIES

Installation, Operation & Maintenance VMH 30/36 SERIES Heat Controller, Inc.

1) Install according to this installation instructions strictly. If installation is defective, it will cause water

leakage, electrical shock fire, and may void the warranty.

2) Use the manufacturer’s specified and supplied parts only

3) Install in a strong and firm location which is able to withstand the unit’s weight. If the strength is

insufficient or installation is not properly done, the units can fall and cause injury.

4) For electrical work, follow all local and National electrical codes and these installation instructions.

An independent circuit and single outlet must be used. If electrical circuit capacity is not enough or a

defect found in electrical work, it may cause electrical shock or fire.

5) Use the specified cable, connect tightly and clamp the cable so that no external force will be acted

on the terminal. If connection is loose, it may cause excessive heat build up.

6) Wiring routing must be properly arranged so that control board cover is fixed properly. If control board

cover is not fixed perfectly, it will cause heat build up at connection point of terminal, fire or electrical shock.

When carrying out piping connection, take care not to let air substances other than the specified

refrigerant go into refrigeration circuit. Otherwise, it will cause lower capacity, abnormal high pressure

in the refrigeration cycle, explosion and injury.

8) Do not modify the length of the power supply cord or use an extension cord, and do not share the

single outlet with other electrical appliances. Otherwise, it may cause fire or electrical shock.

1) This equipment must be properly grounded and installed with and ground leakage current breaker,

electrical shock.

otherwise it may cause

2) Do not install the unit in place where leakage of flammable gas may occur. If gas leaks and

accumulates near or surroundings the unit, it may cause fire.

3) Carry out drainage piping as mentioned in installation instructions. If drainage is not properly done,

water may enter the room and damage the furniture.

The seriousness of safety precautions is classified by the following indications:

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to property.

SAFETY PRECAUTIONS

CAUTION

WARNING

CAUTION

WARNING

Please read this installation manual completely before installing the product.

If the power cord is damaged, replacement work shall be performed by authorized personnel only.

Installation work must be performed in accordance with all local and national codes by authorized

personnel only.

Contact an authorized service technician for repair, maintenance or installation of this unit.

The design and specifications are subject to change without prior notice for product improvement.

Consult with the sales agency or manufacturer for details.

All the pictures in the instructions are for explanation purposes only, and may differ from the actual

product you purchased.

Heat Controller, Inc. VMH 30/36 SERIES Installation, Operation & Maintenance

There should not be any heat source near the unit.

There should not be any obstacles blocking the

air circulation.

A place where air circulation in the room is good.

A place where drainage can be easily done.

A place where noise prevention is taken into

consideration.

Do not install the unit near a door way.

Ensure the clearness indicated by arrows

in the figure on the right are adhered to

leaving space away from any walls, ceiling,

or other obstacles.

There should not be any direct sunlight.

If unavoidable, sunlight prevention should be

taken into consideration. Direct sunlight may

block the ability of the unit to reduce the signal

from the remote controller.

SELECT THE BEST LOCATION

Indoor unit

Outdoor unit

If an awning is built over the unit to prevent

direct sunlight or rain, be careful that heat

radiating from the condenser is not obstructed.

There should not be any animals or plants kept

near the unit which could be affected by hot air

discharged.

Ensure the clearances indicated by the arrows on

the right are adhered to, leaving space away from

any walls, fences, plants, or other obstacles.

See outdoor installation precautions on

page 7 for additional information.

NOTE:

Installation Plate

Clip Anchor

Self-tapping Screw A ST3.9x25

Seal

Drain Joint

Remote controller

Self-tapping Screw B ST2.9x10

5-8( )depending on models

In addition to the parts above, other parts may need to be purchased locally.

such as copper line sets, etc.

Remote controller holder

ACCESSORIES

Number

Name of Accessories Qty

NOTE

optional

parts

6 inches

8 feet

6 inches

5 inches

2 feet

1 foot

2 feet

1 foot

7 feet

P-Trap

Installation, Operation & Maintenance VMH 30/36 SERIES Heat Controller, Inc.

1. Fit the installation plate horizontally

on structural parts of the wall with

the appropriate clearance around the

installation plate.

2. Drill holes in the wall according to the

wall structure and corresponding

mounting points on the installation

plate. If the wall is made of brick,

concrete or the like, drill eight 3/16”(5mm)

diameter holes in the wall. Insert Clip

anchor for appropriate mounting screws.

3. Fit the installation plate on the wall

with eight (8) type “A” screws.

1. Determine hole positions according to left and right

side of the installation plate. The hole center is obtained

by measuring the distance as shown in the diagram above.

2. Drill the piping plate hole with Ø2.55in(65mm) hole-core drill.

3. Drill the piping hole at either the right or the left and the

hole should be slightly slanted to the outdoor side.

4. Always use wall hole conduit when drilling metal grid,

metal plate or the like.

DRILL A HOLE IN THE WALL

FIT THE INSTALLATION PLATE

Fit the Installation Plate

The installation plate provided

with the machine may differ from

appliance to appliance.

(Use wall studs for best anchorage)

5 inches (120mm)

from the wall

1.8 (45)”

Pipe hole

6 inches (150mm) or more

from the ceiling

Model A

Model B

12.8 (325)

”

Ø2.6”(Ø65)

Ø ” Ø2.6 ( 65)

5.2 (133)”

Flange Flange

Pipe

hole

Indoor unit outline

Correct orientation

of Installation Plate

1.25 (32)”

12.5 (318)” 12.5”(318) 1.25 (32)”

6.1 155)”

1.4 (35)”

3.7 (Ø95)”

2.8 (70)”

16.84 (426)” 16.6 (422)”

2.8 (71)”

3.36ft.(1023)

4.75ft.(1450)

7.5 (190)”

13.4 340)”(

0.98 (25)”

6.9”(174)

0.79 (20)”

4.75ft.(1250)

6”(150)

5 inches (120mm)

or more from

the wall

1.8 (45)

”

NOTE:

NOTE: Dimensions are in inches (mm)

unless otherwise stated.

INDOOR SECTION

Heat Controller, Inc. VMH 30/36 SERIES Installation, Operation & Maintenance

1. For the left-hand and right-hand piping,

remove the pipe cover from the side panel.

2. For the rear-right-hand and rear-left-hand

piping, install the piping as shown.

3. Bundle the tubing, connecting cable, and

drain hose with tape securely, evenly as

shown in Figure on the right.

Because the condensed water from rear

of the indoor unit drains to the ponding

box before drainage through the drain

hose, be sure not to place anything inside

the ponding box.

1. Run the drain hose sloping downward.

The figures on the right show improper

installation methods.

2. When connecting extension drain hose,

insulate the connections, do not let

the drain hose slack.

Connect the indoor unit first, then the

outdoor unit.

Do not allow the piping to come out from the

back of the indoor unit.

Be careful not to let the drain hose slack.

Heat insulate both the auxiliary piping.

Be sure that the drain hose is located at

the lowest side of the bundle. Locating at

the upper side can cause drain pan to

overflow inside the unit.

Never intertwine the condensate piping the power

wire with any other wiring.

Run the drain hose slopped downward to

drain out the condensed water freely.

the power

1. Pass the piping through the hole in the wall.

2. Hook the indoor unit onto the upper portion

of installation plate(Engage the indoor unit with

the upper edge of the installation plate). Ensure

the slots are properly seated on the installation

plate hooks by moving it in left and left.

3. Piping installation can easily be done by placing

a temporary piece of styrofoam between the

unit and the wall. After piping is complete, be

sure to remove the styrofoam.

4. Press the lower left and right side of the unit

against the installation plate until the slots

hook onto and engage with the installation

wall plate.

CONNECTIVE PIPE AND DRAINAGE INSTALLATION

Connective pipe installation

Drainage

CAUTION

Indoor unit installation

Insulation

INDOOR SECTION

Installation, Operation & Maintenance VMH 30/36 SERIES Heat Controller, Inc.

Electric safety regulations for the initial Installation should meet all local and national electric codes

1. Voltage power should be in the range of 90%~110%of rated voltage.

2. The creepage protector and main power switch should be at least installed in the power circuit

1.5 times the capacity of Max. Current of the unit should be installed in power circuit.

3. Ensure the air conditioner is grounded well.

4. Use the Electrical Connection Diagram located on the panel of the outdoor unit

and indoor unit to connect the wire properly.

5. An individual branch circuit and single receptacle used only for this air conditioner must be available.

6. HCI recommends the use of 600V THHN 14 AWG/4 conductor unshielded stranded copper cable,

however NEC always prevails.

Electrical work

Connect the cable to the indoor unit

Before performing any electrical work, turn off the main power to the system.

1. The inside and outside connecting cable can be connected without removing the front grille.

2. Lift the indoor unit panel up, remove the electrical box cover by loosening the screw.

3. Ensure the color of wires of outdoor unit and the terminal Nos. match the indoor’s

respectively.

4. Wrap those cables not connected with terminals with insulation tape, so that they will not touch

any electrical components. Secure the cable onto the control board with the cord clamp.

NOTE:

Panel

Electrical box

cover

Terminal block of indoor unit

To outdoor unit

1SG

2(N)

To outdoor unit

CONNECTING THE COMMUNICATION CABLE

INDOOR SECTION

Heat Controller, Inc. VMH 30/36 SERIES Installation, Operation & Maintenance

Install the outdoor unit on a rigid base to prevent increased noise levels and vibration.

Ensure the air outlet is not blocked by any objects such as plants or walls, etc.

If the installation location is exposed to strong winds, ensure the unit is placed lengthwise along

the wall or provide a switchable baffle to block strong wind gusts from entering the unit.

If suspending the unit with a bracket, follow the bracket manufacturer’s installation instructions.

Use a raised concrete pad or concrete blocks to provide a solid base and level surface - securely

anchor the unit down with bolts. See table & figure below.

In a snowy area, install the outdoor unit on a raised platform higher than drifting snow.

Seal

Drain elbow connector

Base pan hole

of outdoor unit

(A) (B)

The pictures of the drain joint may very from the actual

part that come with the unit.

Push the seal onto the end of the drain elbow connector (Fig. A),

then insert the drain elbow connector into the hole in the bottom

of the base pan of the unit (Fig. B) until it makes a click sound

and is firmly in place. Add an additional drain hose to direct the

condensate away from the base of the unit by placing a hose

on the end of the hose barb. This drain hose is not included with

the unit and must be purchased.

DRAIN JOINT INSTALLATION

OUTDOOR INSALLATION PRECAUTION

NOTE:

Anchor the outdoor unit with a bolt and nut ( 10mm) or tightly and horizontally

on a concrete or rigid mount.

Ø3/8” Ø Ø5/16”(Ø8mm)

Outdoor unit dimension

in(mm)(L1xHxW1)

L2(mm)

20.6in.(523)

W2(mm)

13.4in.(340)

20.9in.(530)

23.6in.(600)

11.4in.(290)

12.6in.(320)

22.1in.(560)

23.2in.(590)

18.9in.(481)

13.2in.(335)

13.1in.(333)

10.9in.(276)

Mounting dimensions

32.3x23.4x13.0

29.9x23.2x11.2

30.5x21.4x12.2

33.3x27.6x12.6

35.4x33.9x12.4

26.4x21.3x9.8

Settlement of outdoor unit

(820x595x330)

(760x590x285)

(775x545x310)

(845x700x320)

(900x860x315)

(670x540x250)

OUTDOOR SECTION

Installation, Operation & Maintenance VMH 30/36 SERIES Heat Controller, Inc.

REFRIGERANT PIPE CONNECTION

1. ut a pipe with a pipe cutter,

a little longer than the required measured distance.

2. Remove flare nuts attached to indoor and outdoor unit, then

put them on the copper pipe, having completed burr removal.

3. Flare the ends of the pipe by firmly holding the copper pipe

in a die per the dimensions shown in the table below.

Measure the distance between the indoor and outdoor sections. C

Align pipes to be connected.

Sufficiently tighten the flare nut with fingers,

and then tighten it with a spanner and torque

wrench as shown.

Excessive torque can break nut depending

on installation conditions, use torques

provided in the table to the right.

Outer diam.

in. (mm)

A in.(mm)

Max. Min.

Ø3/4”(Ф

19)

Outer

diam. Tightening

torque Additional tightening

torque

Ø1/4”(Ф

6.35mm)

11.07

(153kgf.cm)

ft lbf .

11.79 ft lbf

(163kgf.cm)

25.82

(357kgf.cm)

ft lbf

33.20

(459kgf.cm)

ft lbf

47.95

(663kgf.cm)

ft lbf

26.55

(367kgf.cm)

ft lbf

36.65

(479kgf.cm)

ft lbf

49.40

(683kgf.cm)

ft lbf

18.44

(255kgf.cm)

ft lbf

19.17

(265kgf.cm)

ft lbf

Flaring

Tightening connection

Oblique

90 Roughness

Burr

Bar

Copper pipe Clamp handle

Handle

Bar

"A"

Indoor unit tubing Flare nut Pipings

1. Remove the electrical control board cover from the outdoor unit by loosening the screw.

2. Connect the connective cables to the terminals as identified with their respective matched numbers

on the terminal block of indoor and outdoor units. See the section of the manual called “connecting

the communication cable” on page. 6.

3. Secure the cable onto the control board with the cord clamp.

4. To prevent water from entering the unit, form a loop or p-trap in the cable as illustrated in the

diagram on page 3.

5. Wrap unused wires with electrical tape, so they do not touch any other electrical or metal parts.

CONNECT THE CABLE TO THE OUTDOOR UNIT

Terminal block of outdoor unit

Cover

Screw

To indoor unit To indoor unit

To power supply To power supply

L1 L2 S L1 L2 L1 L2 S L1 L2

(1) (2)

Ø5/8”(Ф

16)

Ø1/2”(Ф

12.7)

Ø3/8”(Ф

9.52)

Ø1/4”(Ф

6.35)

.09”(2.4

)

.08”(2.2

)

.07”(1.8

)

.06”(1.6

)

.05”(1.3

)

.08”(2.0

)

.08”(2.0

)

.04”(1.0

)

.04”(1.0

)

.02”(0.7

)

Use a line set of copper pipe to connect the indoor and outdoor units.

The line set does not come with the unit and must be purchased separately.

Ø3/8”(Ф

9.52mm)

Ø1/2”(Ф

12.7mm)

Ø5/8”(Ф

16mm)

Ø3/4”(Ф

9mm)

OUTDOOR SECTION

Heat Controller, Inc. VMH 30/36 SERIES Installation, Operation & Maintenance

AIR PURGING

Open the valve stem until it hits against

the stop. Do not try to open it further.

Securely tighten the valve stem cap with

a spanner or wrench.

See tightening torque table on page 8 to

properly tighten and torque the valve stem cap.

Flare nut

Stop

Cap

Valve body

Valve stem

Ensure any R-410A refrigerant is added to the unit in liquid form.

Air and moisture in the refrigerant system have undesirable effects. Therefore, the indoor unit

and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove

any noncondensables and moisture from the system.

Check that each tube(both liquid and gas side tubes) between the indoor and outdoor units have

been properly connected and all wiring for the test run has been completed.

Pipe length and refrigerant amount:

Units are pre-charged for 16.5 ft. (5m) total line set length, additional charge is needed for longer

line sets lengths. Charge adjustments are not required for line sets less than 16.5 ft (5m)

Outdoor

unit

Indoor

unit

Refrigerant

Packed valve

Half union

Gas side

Liquid side

NOTE: Refer to the manifold valve manufacturer’s instructions before use.

1. Completely tighten the flare nuts, A, B, C, D, (see figure

on page 10) connect the manifold valve charge hose to a

charge port of the low pressure valve on the gas side.

2. Connect the charge hose connection to the vacuum

pump.

3. Fully open the handle of the manifold valve.

4. Operate the vacuum pump to evacuate. After starting

evacuation, slightly loose the flare nut of the low pressure

valve on the gas side and check that the air is

entering. (Operation noise of the vacuum pump changes

and a compound meter indicates 0 instead of minus)

5. After the evacuation is complete, fully close the lo handle

of the manifold valve and stop the operation of the

vacuum pump.

Evacuate for 15 minutes and more and check

that the compound meter indicates -29.92inHg(-76cmHg).

6. Turn the stem of the low pressure valve B about 45 counter-

clockwise for 6~7 seconds after the gas units out, then

tighten the flare nut again. Make sure the pressure display

in the pressure indicator is a little higher than the atmosphere

pressure.

7. Remove the charge hose from the Low pressure charge hose.

8. Fully open the packed valve stems B and A.

9. Securely tighten the cap of the packed valve.

Manifold valve

Compound meter

-29.92 inHg

*(-76cmHg)

Lo Handle Hi Handle

Charge hose Charge hose

Vacuum pump

Pressure gauge

Low pressure valve

1. Air purging

2. When using the Vacuum Pump

CAUTION

Pipe Size

Gas (in) Liquid (in)

5/8 (16mm) 3/8(9.52mm)

Max

Elevation (ft)

32 (9.75m)

Total Line Length (ft)

Min. Max.

10 (3m) 82 (25m)

Capacity

Btu/h

30-36k

Standard

Length (ft)

*16.5 (5m)

Additional

Refrigerant oz/ft

.4 (40g/m)

*Unit charge located on rating plate includes enough refrigerant for 16.5 feet of line set.

* Charge adjustment is not required on line set lengths less than 16.5 feet.

OUTDOOR SECTION

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