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VCH Ceiling Cassette
Owner's Manual
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Heat Controller VCH Ceiling Cassette Owner's Manual

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OWNER’S MANUAL
VMH 09/12/18/27/36 InverterFlex
Version C
Single, Dual, Tri or Quad Zone
Ductless Mini-Split System
B-VCH12FC-1 and B-VCH18FC-1
Version C
Ceiling Cassette
Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com
Table of Contents
Safety Precautions
Warning ...................................................................................................2
Caution ....................................................................................................2
Operating Instructions
Identication of Parts ...............................................................................3
Display and Remote Controller Features ..............................................4-5
Operating Conditions and Manual Operation...........................................6
Airow Direction Control ..........................................................................7
Operation Modes .....................................................................................8
Care and Maintenance
Care and Maintenance...........................................................................10
Operation Tips
Typical Operational Occurrences ...........................................................12
Troubleshooting Tips
Troubleshooting Tips ..............................................................................14
Caution
!
• Contact an authorized service technician for repair or maintenance of this unit.
• Contact the installer for installation of this unit.
• Installation work must be performed in accordance with local and national electrical codes and standards by authorized personnel only.
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Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split
To prevent injury to the user, other people and/or to property, the following instructions must be followed. Incorrect operation due to ignoring these instructions may cause harm or damage. The seriousness is classied by the following indications:
WARNING!
!
CAUTION!
!
Meanings of symbols used in this manual are as shown below:
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to property.
Never do this.
!
WARNING!
!
CAUTION!
!
Always do this.
• Do not attempt to install this air conditioner by yourself.
• This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
• Do not insert ngers or objects into the outlet or intake grilles.
• Do not start and stop air conditioner operation by disconnecting the power supply.
• Take care not to damage the power supply wiring.
• In the event of a malfunction (burning smell, etc.), Immediately stop operation, disconnect the power supply, and consult authorized service personnel.
• Provide occasional ventilation during use.
• Do not direct air ow at replaces or heating apparatus.
• Avoid installing the air conditioner near a replace or other heating apparatus.
• Do not climb on, or place objects on, the air conditioner.
• Do not hang objects from the indoor unit.
• Do not set ower vases or water containers on top of the air conditioner.
• Do not expose the air conditioner directly to water.
• Do not operate the air conditioner with wet hands.
• Turn off power source when not using the unit for extended periods.
• Do not drink the water drained from the air conditioner.
• Connection valves become hot during Heating; handle with care.
• Do not apply any heavy pressure to evaporator ns.
• Operate only with air lters installed.
• Do not block or cover the intake or outlet grille.
• Ensure that any electronic equipment is at least 3 feet (1m) away from either the indoor or outdoor
units.
• Do not use inammable gases near the air conditioner.
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Single-quad zone
Air lter
Single to tri zone
Single-dual zone
Remote Controller
Base valves
Grille
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Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split
Ductless Mini-Split Display Window and Features:
(For heat pump models only):
mode.
Displays the selected fan speed:
Displayed when TURBO function is selected
in cooling or in heating modes. This air con-
ditioner is equipped with an ionizer, which
This display is separated into ve zones. Each zone illuminates based on the com­pressor’s frequency. For example, higher frequency will illuminate more zones.
generates ions to remove microscopic par­ticles from the air. Rooms become healthier for those suffering from asthma or allergies with the use of this feature.
Displays the current set temperature when the air conditioner is in operation. When SELF CLEAN feature is activated, its displays “SC”.
Remote Controller Features ­Ductless High Wall Mount. ONLY
The remote controller comes with a FOLLOW ME feature which allows the remote controller to act as a thermostat. This allows the unit to sense the temper­ature at the location of the remote controller, rather
than sensing the temperature at the indoor unit. The
indoor unit is installed high on a wall, thus the ther­mostat on the remote controller will provide a more accurate temperature reading for the room. Consult the remote controller manual for more information. NOTE: The ceiling cassette does NOT come with this feature.
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Manual buttonInfarred signal receiver
DISPLAY PANEL
mAlarm IndicatorkTime IndicatorjOperation Lamp
lDefrost/Fan Indicator
jOPERATION lamp
This indicator illuminates when the unit is operational.
kTIMER Indication lamp
Lights up during Timer operation.
lDEF./FAN Indication lamp
Lights up when the air conditioner starts defrosting automatically in heating operation or fan only mode is selected
mALARM Indication lamp
Flashes an error code sequence when malfunction occurs
n MANUAL button
This button is used to operate the unit temporarily in case you misplace the remote controller or its batteries are
exhausted. One press of the manual control button will lead to the forced AUTO operation. If press the button twice within ve seconds, the unit will operate under forced COOL operation. The forced COOL operation is used for testing
purposes only, please do not choose it unless it is necessary.
.
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Heat Controller, Inc. OWNER’S MANUAL VMH Inverter-Flex Mini-Split
NOTE: This manual does not include Remote Controller Operations, see the <<Remote Controller Manual>> packaged with the unit for details.
See chart below for operating conditions:
Mode Temp
Cooling
Heating
Dehumidication
Outdoor 5 to 122 -15 to 50 Indoor 62.6 17 Outdoor 5 to 93.2 -15 to 34 Indoor 86 30 Outdoor 32 to 122 0 to 50 Indoor >50 >10
Ambient Operating Conditions
Fahrenheit Celsius
Operating Conditions:
When cooling is needed year round, including when outdoor temperatures are apt to fall below freezing, our V Series inverter driven ductless mini-split systems will continue to work, as they come with factory installed low ambient controls. The low ambient feature works by regulating the head pressure by varying the amount of air ow through the condenser, which helps to prevent evaporator freeze ups and low pressure problems due to low ambient outdoor temperatures. Low ambient operation is a great feature for temperature/humidity sensitive environments or applications such as server/computer rooms, supermarkets, restaurants, or cooling tower fans. Additionally, a crank case heater is required and factory installed, as it is needed for use with the low ambient controls. The crank case heater minimizes liquid refrigerant migration to the compressor when the compressor is not operating and helps to keep the compressor oil warm enough so that it remains uid to prevent slugging. Crank case heaters also assist to greatly reduce heat loss to ambient air. Together, the lower ambient feature combined with the factory installed crank case heater, will not only allow the air conditioner to cool year round, but will also prevent compressor failure in low ambient conditions.
Manual Operation:
Manual operation can be used temporarily to run the unit without using the remote controller. This feature can also be used to test the unit during installation and troubleshooting by an authorized service technician.
Ductless Mini-split:
1 Open and lift the front panel up until it stops and
makes a clicking sound.
2 By pressing the manual control button, the unit will be
placed into forced AUTO operation mode.
3 Close the panel rmly to its original position.
Ceiling cassette’s manual button is located on the Ceiling panel.
CAUTION
• Once you push the manual button, the operation mode will change in the following order:
AUTO COOL OFF
• By pushing the button twice, the unit will be placed into
forced COOL mode, which can be used for testing purposes.
• By pushing the button a third time, the air conditioner will
stop operating and turn off.
• To restore use of the remote controller to control the unit,
simply begin to operate the unit with the remote controller.
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NOTE: The remote controller provided with your unit may differ in appearance. Please refer to the <<Remote Controller Manual>> supplied with the unit to operate the unit properly.

( C)
Ductless Mini-Split
• Adjust the air ow direction properly, otherwise it might cause discomfort or cause uneven room temperatures.
• Adjust the horizontal louver using the remote controller.
• Adjust the vertical louver manually.
To set the vertical (up-down) air ow direction
Perform this function while the unit is in operation. Press the SWING button on the remote controller to move the louver to the desired direction. The angle of the horizontal louver moves 6° for each press of the button.
To set the horizontal (left-right) air ow direction
Adjust the vertical louver manually using the lever on the left or right side of the vertical louver arm (depending on model). Take care not to catch ngers on the fan, horizontal louver or to damage vertical louvers. Move the lever to the desired position to direct air ow.
To automatically swing the air ow direction
(up - down)
Perform this function while the air conditioner is in operation.
• Hold the SWING button without releasing it for more than 2 seconds. The horizontal louver will swing up and down
automatically.
• To stop the function, press the SWING button again.
CAUTION!
!
• The swing function will be disabled when air conditioner is not in operation (including when the TIMER ON is set).
• Do not operate the air conditioner for long periods with air ow direction set downward in cooling or dry mode. Otherwise, condensation may occur on the surface of the horizontal louver causing moisture to drop on the oor or on furnishings.
The swing function will be disabled when the air conditioner is not in
• Do not move the horizontal louver manually. Always use the SWING button.
operation (including when the TIMER ON is set).
• When the horizontal louver might not move for approximately 10 seconds.
• Open angle of the horizontal louver should not be set too small, as COOLING or HEATING performance may be impaired due to too restricted air ow area. Do not operate unit with horizontal louver in closed
position.
button
• When the air conditioner is connected to power (initial power), the horizontal louver may generate a sound for 10 seconds, this is a normal
operation.
air conditioner is started immediately after it was stopped, the
Ceiling Cassette
• Refer to the remote controller manual packaged with your unit.
• Use the air direction bottom to move the louvers to desired direction.
• Use swing button to activate automatic swing.
• In cooling mode, it’s best to keep the louvers horizontal to prevent excess condensation.
• In heating mode, it’s best to point the louvers down, such that they are open all the way.
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Heat Controller, Inc. OWNER’S MANUAL VMH Inverter-Flex Mini-Split
AUTO operation
• When you set the air conditioner to AUTO mode, it will automatically select cooling, heating (heat pump models only), or fan only operation depending on what temperature you have selected and the actual room temperature.
• The air conditioner will control room temperature automatically around
the temperature set point you select.
• If the AUTO mode is uncomfortable, you can change desired tempera­ture settings manually.
ECONOMY/SLEEP operation
• When you push ECONOMY button on remote controller it activates
2°F
2°F
2°F
2°F
SLEEP mode. During cooling, heating (heat pump only), or AUTO op­eration, the air conditioner will automatically increase (cooling) or de­crease (heating) 2°F (1°C) per hour.
• The set temperature will become steady 2 hours later.
• The SLEEP mode will turn off after 7 hours and revert back to the previ-
ous settings.
• The fan speed will be automatically controlled.
• This feature can maintain the most comfortable temperature and save
more energy during use.
DRY MODE/DEHUMIDIFYING operation:
• The temperature is regulated while dehumidifying by repeatedly turning
on and off of the cooling operation or fan only. The fan speed will be au­tomatically controlled. In this mode, if the room temperature is lower than 50°F (10°C) the compressor will stop. The compressor will restart when the room temperature is above 53.6°F (12°C).
Optimal Usage Tips:
To achieve optimal performance, please note the following:
• Adjust the air ow direction correctly so that it is not directed directly
blowing on people/animals.
• Adjust the temperature to achieve the highest comfort level. Do not ad-
just the unit to excessive temperature levels.
• When in COOL or HEAT modes close any open doors and windows within
the room that the unit is operating in to increase performance.
• Use TIMER ON button on the remote controller to select a time you want
to start your air conditioner.
• Do not put any objects near air inlet or air outlet, as the efciency of the
air conditioner may be reduced and the air conditioner may stop running
due to air ow blockages.
• Clean the air lter periodically, otherwise cooling or heating performance
may be reduced.
• Do not operate unit with louvers in a closed position
• SUGGESTION: For units with an electric heater, when the outside
ambient temperature is below 32°F (0°C), we strongly recommend that
you keep the unit powered on in order to guarantee it runs smoothly.
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MODE CONFLICTS:
While simultaneously operating more than one indoor unit, ensure that all operating modes
do not conict with one another. For example: one unit can not be in the heat mode, while
another is in cooling mode.
• The rst unit to initially start is considered the primary unit.
• Heat mode takes precedence. When the primary unit is placed in heat mode, all other units
in the system must also be ran in the heat mode.
• When the primary unit is on in the cool mode, the other units in the system can only be ran in cool, fan, dehumidify, or fan only modes.
• Ductless mini-splits will display a “P5” error code during a mode conict.
• Ceiling cassettes will ash the operation light rapidly, while the Defrost and Alarm lights remain solid. The Timer light will be off. When the lights react in this manner, it means the indoor units have a mode conict.
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Heat Controller, Inc. OWNER’S MANUAL VMH Inverter-Flex Mini-Split
NOTE: Supply power must be disconnected before cleaning the indoor unit.
Do not use an overly wet cloth to clean the unit as
it may damage the electronic components. A damp
cloth can be used if needed.
Never use water hotter than 104°F (40°C) to clean the front panel. It could cause deformation or discoloration.
Hold the handle of the air lter and lift it up slightly to take it out from the lter holder, then pull it downwards.
Clean the lter with a vacuum cleaner or with warm water. Be sure it is thoroughly dry before
replacing.
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4. Remove the Air Freshening Filter (optional lters:
plasma dust collector/silver ion lter/bio lter/vitamin C lter) from it support frame.
The installation and removing method of the air freshen­ing lter is different depending on the models. See the pictures marked 1 and 2 on the left.
• Clean the air freshening lter at least once a month, and replace it every 4-5 months.
• Clean it with a vacuum cleaner, then dry it in a cool
place.
5. Install the air freshening lter back into position.
6. Insert the upper portion of the air lter back into the unit taking care that the left and right edges line up correctly when placing lter into position.
Maintenance
If you do not plan on use the unit for a long period of time:
1. Clean the indoor unit and air lter.
2. Select FAN only mode, let the indoor fan run for a while to dry the inside of the unit.
3. Disconnect the power supply and remove the batteries from the remote controller.
4. Check components of the outdoor unit periodically. Contact a local dealer or an authorized servicer if the unit requires servicing.
NOTE: Before you clean the air conditioner, be sure to switch the unit off and disconnect the power supply.
When the air conditioner is to be used again:
• Use a dry cloth to wipe off the dust accumulated on rear
air intake grille in order to avoid the dust blowing out from
the outdoor unit.
• Check that the wiring is not broken off or disconnected.
• Check that the air lter is installed.
• Check if the air outlet or inlet is blocked after the air condi-
tioner has not been used for a long time.
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Heat Controller, Inc. OWNER’S MANUAL VMH Inverter-Flex Mini-Split
CARE AND MAINTENANCE
CASSETTE TYPE
2. Take out the air-in grill (together with the air filter shown
o
in Fig. B). Pull the air-in grill down at 45 and lift it up
to take out the grill.
3. Dismantle the air filter
4. Clean the air filter(Vacuum cleaner or pure water may
be used to clean the air filter. If the dust accumulation
is too heavy , please use soft brush and mild detergent
to clean it and dry out in cool place) .
Fig. A
1. Open the air-in grill
Push the grill switches towards the middle simultaneously
as indicated in Fig. A. Then pull down the air-in grill.
Cautions: The control box cables ,which are originally
connected with the main body electrical terminators must be
pulled off before doing as indicated above.
DUCT AND CEILING TYPE
2. Take out the air-in grill.
3. Dismantle the air filter
4. Clean the air filter (Vacuum cleaner or pure water may
be used to clean the air filter. If the dust accumulation
is too heavy , please use soft brush and mild detergent
to clean it and dry out in cool place) .
1. Open the air-in grill
Push the grill switches towards the middle simultaneously
as indicated in follow figure sketch. Then pull down the
air-in grill.
Cautions: The control box cables ,which are originally
connected with the main body electrical terminators
must be pulled off before doing as indicated above.
The air-in side should face up when using vacuum
cleaner. (See Fig. C)
The air-in side should face down when using water.
(See Fig. D)
Cautions : Do not dry out the air filter under direct
sunshine or with fire.
5. Re-install the air filter
6. Install and close the air-in grill in the reverse order of
step 1 and 2 and connect the control box cables to the
corresponding terminators of the main body .
Note: High-static Pressure Parvis Split Type has no
CARE AND MAINTENANCE
Fig.B
Ceiling Cassette
1. Open the air-intake grille. Push the grille switches towards the middle
simultaneously as indicated in Fig. A. Then pull down the air-intake-grille.
2. Take out the air-intake grille (together with the air lter shown in Fig. B). Pull the air-intake grille down at 45° and lift it up to take it out of the grille.
3. Clean the air lter (Vacuum cleaner or pure water may be used to clean the air lter. If the dust accumulation is heavy, use a soft brush and mild detergent to clean it and dry out in cool place before putting in back in operation.
Fig. C
Fig. D
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Typical Operational Occurrences
The following events may occur during normal operation.
1. Protection of the air conditioner. Compressor protection
• If the unit is stopped and then immediately restarted again, the compressor will not operate for
about 3 minutes in order to protect the compressor.
Anti-cold air (heat pump models only)
• The unit is designed not to blow cold air in HEAT mode, when the indoor heat exchanger is in one of the following three situations and the set temperature has not been reached.
A) When heating has just starting. B) Defrosting is occurring C) Low temperature heating is occurring
Defrosting (Cooling and heating models only)
• The indoor or outdoor fan stop running when defrosting (heat pump models only).
• Frost may accumulate on the outdoor unit during heat cycle when outdoor temperature is low and humidity is high, resulting in lower heating efciency of the air conditioner.
• During this condition, air conditioner will stop the heating operation and start defrosting auto-
matically.
• Defrost time may vary from 4 to 10 minutes according to the outdoor temperature and the amount of frost buildup on the outdoor unit.
2. Mist or steam are being emitted
• A white mist may emit from the indoor unit due to a large temperature difference between air inlet and air outlet in COOL mode in an indoor environment that has a high relative humidity.
• A white mist may emit due to moisture generated from the defrosting process when the air con­ditioner restarts in HEAT mode operation after defrosting.
3. Typical sounds
• You may hear a low hissing sound when the compressor is running or has just stopped running.
This sound is the sound of the refrigerant owing or coming to a stop.
• You can also hear a low “squeak” sound when the compressor is running or has just stopped
running. This is caused by heat expansion and cold contraction of the plastic parts in the unit when the temperature is changing.
• A noise may be heard due to louver restoring its original position when power is rst turned on.
• A sizzling sound may be heard occasionally when the unit is defrosting.
4. Dust is blown out from the indoor unit
• This is a normal condition when the air conditioner has not been used for a long time or during
rst use of the unit and an accumulation of dust has formed on the unit’s outlet. Cleaning dust off of the unit before operation will prevent this.
5. A peculiar smell comes out from the indoor unit
• This is caused by the indoor unit giving off smells permeated from building material, from furni-
ture, or smoke. A burning smell could mean there is something wrong with the unit. Power off the unit and call an authorized servicer.
6. Operating mode changes to FAN ONLY mode
• When the indoor temperature reaches the temperature set point on air conditioner, the com-
pressor will stop automatically, and the air conditioner mode changes to FAN only mode. The compressor will start again when the indoor temperature rises above the set point in the COOL mode or falls below the set point in the HEAT mode (heat pump only models).
13
Heat Controller, Inc. OWNER’S MANUAL VMH Inverter-Flex Mini-Split
7. Condensation
• Dripping water may generate on the surface of the indoor unit when cooling in relatively high humidity. Adjust the vertical louver to the maximum air outlet position and select HIGH fan
speed. NOTE: Water could drop onto the oor or objects below the indoor unit.
8. Heating mode (heat pump models only)
• The air conditioner draws in heat from the outdoor unit and releases it via the indoor unit dur-
ing heating operation. When the outdoor temperature falls, heat drawn in by the air condi­tioner decreases accordingly. At the same time, the heat load of the air conditioner increases due to larger difference between indoor and outdoor temperature. If a comfortable tempera­ture can’t be achieved by the air conditioner, we suggest you use a supplementary heating device.
9. Auto-restart function
• Power failure during operation will stop the unit completely.
• For units with the Auto-restart feature, when the power restores, the unit restarts automati-
cally using the previous settings preserved by the memory function of the unit. Timer settings may need to be adjusted after a power failure.
10. Electrical interference
• Electronic equipment which uses wireless radio transmitters within 3 ft (1m) of the air con­ditioning unit may cause the unit to malfunction. Disconnect the unit with power and then re-connect the unit with power again. Push the ON/OFF button on the remote controller to restart operation. Ensure that the air conditioner unit is as far away from any electronic inter­ference sources as possible, otherwise wireless interference can occur.
14
Troubleshooting Tips
Stop the air conditioner immediately if one of the following errors occurs. Disconnect the power and contact an authorized servicer.
If any of the following error codes appear on the LED window or display, disconnect the power and contact an authorized servicer
Call for service if
Symptoms Possible Cause/Things to Check What should be done?
Unit does
no start or operate at all
Poor cooling
or heating
(heat pump models only) performance
Fuse blows or circuit breaker trips frequently
Other abnormal situations (such as burning smells) that can’t be resolved using the steps outlined below.
Is there power supplied to the unit?
Fuse may have blown out or a circuit breaker has been tripped.
Batteries in remote controller may be dead or installed incorrectly.
Is the unit’s timer set? Wait or cancel timer setting.
Inappropriate temperature setting. Set temperature correctly.
Air lter may be blocked Clean the air lter to prevent air ow blockages.
Doors or windows are open.
Air inlet or outlet of indoor or outdoor unit are blocked.
Wait for the power to be restored or call an electrician to address any power supply problem.
Replace the fuse or ip the circuit breaker.
Replace the batteries and ensure the polarities are correct.
Close the doors or windows within the area being cooled/heated to increase efciency and performance.
Clear obstructions away, then restart the unit.
Compressor time delay has been activated
If the problem persists after performing these checks, or if you notice burning smells, or the operation indicator light ashes repeatedly, immediately stop operation, disconnect the power, and call an authorized service center.
Wait approximately 3 minutes for the compressor to turn on and the unit to begin cooling/heating.
15
9/2012
Design, specifications, performance data and materials subject to change without notice.
1900 Wellworth Ave., Jackson, Michigan 49203 • Ph. 517-787-2100 • Fax 517-787-9341
www.heatcontroller.com
THE QUALITY LEADER IN CONDITIONING AIR
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