Heat Controller VMH C Series Bedienungsanleitung
Heat Controller • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com
SERVICE MANUAL
Inverter Single Zone
Ductless Mini Split Heat Pump
VMH Series Version C
VMH30SC-1
VMH36SC-1
2
Service Manual VMH 30, 36 SerieS Heat Controller
CONTENTS
1.Safety Precautions ............................................................................................................................. 3
2. Functions ........................................................................................................................................... 8
3. Dimensions ...................................................................................................................................... 10
3.1 Indoor Unit.............................................................................................................................. 10
3.2 Outdoor Unit ........................................................................................................................... 11
4. Refrigerant Cycle Diagram ............................................................................................................. 12
5. Wiring Diagrams.............................................................................................................................. 13
5.1 Indoor Unit.............................................................................................................................. 13
5.2 Outdoor Unit ........................................................................................................................... 14
6. Installation Details........................................................................................................................... 15
6.1 Wrench torque sheet for installation....................................................................................... 15
6.2 Power Wiring .......................................................................................................................... 15
6.3 Pipe length and elevation....................................................................................................... 16
6.4 Pressure test and evacuation................................................................................................. 17
7. Operation characteristics ............................................................................................................... 18
8. Electronic functions........................................................................................................................ 19
8.1 Abbreviation............................................................................................................................ 19
8.2 Display function ...................................................................................................................... 19
8.3 Main Protection ...................................................................................................................... 20
8.4 Operation Modes and Functions ............................................................................................ 21
9. Troubleshooting .............................................................................................................................. 33
9.1 Indoor Unit Error Display ........................................................................................................ 33
9.2 Diagnosis and Solution........................................................................................................... 34
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Heat Controller VMH 30, 36 SerieS Service Manual
1. Precaution
1.1 Safety Precaution
nTo prevent injury to the user or other people and property damage, the following
instructions must be followed.
nIncorrect operation due to ignoring instructions will cause harm or damage.
nBefore servicing unit, be sure to read this service manual.
1.2 WARNING
uInstallation
nDo not use a defective or underrated circuit breaker. Use this appliance on a dedicated
circuit.
There is a risk of re or electric shock.
nFor electrical work, contact the dealer, seller, a qualied electrician, or an authorized
service center.
Do not disassemble or repair the product, there is a risk of re or electric shock.
nAlways ground the product.
There is a risk of re or electric shock.
nInstall the panel and the cover of control box securely.
There is a risk of re or electric shock.
nAlways install a dedicated circuit and breaker.
Improper wiring or installation may cause re or electric shock.
nUse a correctly rated breaker of fuse.
There is risk of re or electric shock.
nDo not install, remove, or reinstall the unit by yourself (customer).
There is risk of re, electric shock, explosion, or injury.
nUse caution when unpacking and installing the product.
Sharp edges could cause injury, be especially careful of the case edges and the ns on the
condenser and evaporator.
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Service Manual VMH 30, 36 SerieS Heat Controller
nFor installation, always contact the dealer or an Authorized service center.
There is a risk of re or electric shock.
nDo not install this product on a defective installation stand.
It may cause injury, accident, or damage to the product.
nBe sure the installation area does not deteriorate with age.
If the base collapses, the air conditioner could fall with it, causing property damage, product failure,
and personal injury.
nDo not let the air conditioner run for a long time when the humidity is very high and a door
or a window is left open.
Moisture may condense and wet or damage furniture
nTake care to ensure that the power cable can not be pulled out or damaged during
operation.
There is a risk of re or electric shock.
nDo not place anything on the power cable.
There is a risk of re or electric shock.
nDo not touch this product with wet hands during operation.
There is a risk of re or electric shock.
nDo not place a heater or other appliance near the power cable.
There is a risk of re or electric shock.
nDo not store or use ammable gas or combustibles near this product.
There is risk of re or failure of product.
nDo not use this product in a tightly closed space for a long time.
Oxygen deciency could occur.
nIn the event of ammable gas leaks, turn off the gas, open a window for ventilation, and
repair leaks before turning the product on.
Do not use the telephone or turn power switches on or off.
There is risk of explosion or re.
5
Heat Controller VMH 30, 36 SerieS Service Manual
nIf strange sounds, smells, or smoke come from product, turn the breaker off or disconnect
the power supply.
There is a risk of electric shock or re.
nDo not open the inlet grill of this product during operation. (Do not tough the electrostatic
lter, if the unit is so equipped.)
There is risk of physical injury, electric shock, or product failure.
nUse caution that water does not enter the product.
There is risk of re, electric shock, or product damage.
nTurn the main power off when cleaning or maintaining this product.
There is risk of electric shock.
nWhen this product is not used for a long time, disconnect the power supply or turn off the
breaker.
There is risk of product damage or failure, or unintended operation.
uCAUTION
nAlways check for gas (refrigerant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of product.
nInstall the drain hose to ensure that water is drained away properly.
nKeep level even when installing the product.
It can avoid vibration or water leakage.
nDo not install this product where noise or hot air from the outdoor unit could damage the
neighboring property.
It may cause a problem for your neighbors.
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Service Manual VMH 30, 36 SerieS Heat Controller
nUse two or more people to life and transport this product.
Avoid personal injury.
nDo not install this product where it will be exposed to sea wind (salt spray) directly.
It may cause corrosion. Corrosion, particularly on the condenser and evaporator ns, could cause
product malfunction or inefcient operation.
uOPERATIONAL
nDo not expose skin directly to cool air for long periods of time. (Do not sit in the draft).
This could cause harm to your health.
nDo not use this product for special purposes, such as preserving foods, works of art, etc. It
is a consumer air conditioner, not a precision refrigerant system.
There is risk of damage or loss of property.
nDo not block the inlet or outlet of air ow.
It may cause product failure.
nUse a soft cloth to clean. Do not use harsh detergents, solvents, etc.
There is a risk of re, electric shock, or damage to the plastic parts of the product.
nDo not touch the coil ns when removing the air lter. They are very sharp.
There is risk of personal injury.
nDo not step on or put anything on this product. (outdoor units)
There is risk of personal injury and failure of product.
nAlways insert the lter securely. Clean the lter every two weeks or more often if
necessary.
A dirty lter reduces the efciency of the air conditioner and could cause product malfunction or
damage.
nDo not insert hands or other objects through air inlet or outlet while this product is
operating.
There are sharp and moving parts that could cause personal injury.
nDo no drink the water drained from this product.
It is not sanitary could cause serious health issues.
7
Heat Controller VMH 30, 36 SerieS Service Manual
nUse a rm stool or ladder when cleaning or maintaining this product.
Be careful to avoid personal injury.
nReplace all batteries in the remote control with new ones at the same type. Do not mix old
and new batteries or different types of batteries.
There is risk of re or explosion.
nDo not recharge or disassemble the batteries. Do not dispose of batteries in a re.
They may burn of explode.
nIf the liquid from the batteries gets onto your skin or clothes, wash it well with clean water.
Do not use the remote if the batteries have leaked.
The chemical in batteries could cause burns or other health hazards.
8
Service Manual VMH 30, 36 SerieS Heat Controller
6
2. Function
When the power supply is
interrupted and then restored,
the air conditioners
automatically restores the
previous function setting.
Maintain the room temperature in accordance
with the setting temperature.
The mode can be changed automatically by the
room temperature.
The louver can be set at the desired position or
swing up and down automatically
The function is usually used on rainy days
in springtime or damp areas to remove to
moisture from the air.
The fan is turned to low speed
(cooling/heating).
The unit will turn off after seven hours.
The unit will decide the louver direction
according to operation mode.
Turbo wind, high, med, low, auto.
Restarting after for approx. 3 minutes to
protect the compressor.
Prevents the water from freezing on evaporator by
sensing the evaporator pipe temperature in cooling
mode.
Indoor unit
Operation by remote controller
Sensing by room temperature
Room temperature control
Anti-freezing control in cooling
Time Delay Safety control
Indoor fan speed control
Two-direction air vane
Sleep mode auto control
Air flow Direction control
Auto mode
Temp. Compensation Flexible wiring connection
Auto defrost
Anti-cold function
Self-diag. function
Auto-restart function
Prevents indoor unit from blowing
cold air when the unit starts up..
Independent dehumidification
Timer function
Ionizer (optional)
Follow me (optional)
Restarts after for approx. 3 minutes to
protect the compressor.
Maintains the room temperature in accordance
with the temperature setting.
Senses room temperature
9
Heat Controller VMH 30, 36 SerieS Service Manual
7
It protects the valves and prevents water from dripping.
The unit has 3 minute delay between ON/OFF operations.
Outdoor unit
Power relay control
Valve protection cover
Low noise air flow system
Propeller fan makes the outdoor unit run more quietly.
Compressor crankcase heater
Anti-rust cabinet
Discharge pipe temperature protection
10
Service Manual VMH 30, 36 SerieS Heat Controller
8
3. Dimension
3.1 Indoor Unit
Model W in.(mm) D in.(mm) H in.(mm)
B-VMH30SC-1 56.9(1445) 8.9(277) 13.4(340)
B-VMH36SC-1
Dieses Handbuch passt für folgende Modelle
2
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