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Applied Comfort VI20HA09K36E7PA30 Service manual

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VERTICAL TERMINAL
AIR CONDITIONER/HEAT PUMP
INSTALLATION INSTRUCTIONS & OWNER'S MANUAL
As a professional installer you have an obligation to know the product better than the customer. This includes all
safety precautions and related items.
Prior to actual installation, thoroughly familiarize yourself with this instruction manual. Pay special attention to all safety
warnings.
Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit
is in operation.
Remember it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer
in its safe use.
Safety is a matter of common sense, a matter of thinking before acting. Most dealers have a list of specific good safety
practices, follow them.
The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there a is
direct conflict between existing practices and the content of this manual, the precautions listed here take precedence.
ATTENTION INSTALLATION PROFESSIONAL
VI20HA09K36E7PA30
VI20HA12K36E7PA30
VI20HA15K50E8PA30
VI20HA09K25E6PA30
VI20HA12K50E8PA30
VI20HA15K36E7PA30
MODELS SERIES
CONTENTS
OPERATION INSTRUCTIONS 2……………………
CARE AND CLEANING 3… …………………………
INSTALLATION INSTRUCTIONS 4…………………
ERROR CODE AND SOLUTION…………………16
N O R M A L O P E R AT I N G S O U N D S A N D
CONDITION 16 …………………………………………
TROUBLESHOOTING TIPS……………… ………17
-1-
WARNING
1.This unit must be properly installed in
accordance with the Installation Instructions
before it is used.
See the Installation Instructions in the back of
this manual.
2.Replace immediately all electric service cords
that have become frayed or otherwise damaged.
A damaged power supply cord must be replaced
with a new power supply cord obtained from the
manufacturer and not repaired. Do not use a
cord that shows cracks or abrasion damage
along its length or at either the plug or connector
end.
3.Product must be operated with the electrical
plug supplied with the product. Do not replace
the electrical plug supplied with the product.
4.If the receptacle does not match the plug, the
receptacle must be changed out by a qualified
electrician.
5.Unplug or disconnect the unit at the fuse box or
circuit breaker before making any repairs.
NOTE: We strongly recommend that any
servicing be performed by a qualified individual.
6.All air conditioners contain refrigerants which
under federal law must be removed prior to
product disposal. If you are getting rid of an old
product with refrigerants, check with the
company handling disposal about what to do.
7.These R410A Air Conditioner Systems require
contractors and technicians to use tools,
equipment and safety standards approved for
use with this refrigerant. Do not use equipment
certified for R22 refrigerant only.
RECOGNIZE THIS SYMBOL AS
A SAFETY PRECAUTION
WARNING
HIGH VOLTAGE
Disconnect all power before servicing or installing
this unit. Multiple power sources may be present,
failure to do so may cause property damage, personal
injury or death.
The manufacturer will not be responsible for any injury or
property, damage arising from improper service or service
procedures. If you install or perform service on this unit, you
assume responsibility for any personal injury or property
damage which may result. Many jurisdictions
require a license to install or service heating and air
conditioning equipment.
WARNING
WARNING
Risk of electric shock can cause injury or death. For
your safety, the information in this manual must be followed
to minimize the risk of fire, electric shock or personal injury.
The following warnings are very important
for safety. Please read them carefully
before installation!
-2-
OPERATION INSTRUCTION
Controls-terminal connections
side
shipping
screws
side
shipping
screws
R FD GH B Y W GL C
Orange-Low fan speed
Red-24VAC
Front Desk Control
Green-High fan speed
Blue-Reversing valve
Yellow-Compressor
White-Heater
Black-Common ground
ON/OFF switches
ON/OFF
Switch
six
terminals
are still HOT and must not be touched.
servicing.
-3-
Turn off the Unit and disconnect the power supply before cleaning
Remove filter
Filter
Return air grille
with filter holder
Filter
Access-panel with
return air grille and filter holder
outdoor coil
Have the coils been cleaned regularly?
Drain
Clean the drain system regularly to prevent
clogging.
Air Filters
To maintain optimum performance, change the
filter at least every 30 days. The most important
thing you can do to maintain the unit is to change
the filter at least every 30 days. Dirty filters reduce
cooling, heating and air flow.
Changing the filter will:
Decrease cost of operation, save energy, prevent
clogged heat exchanger coils and reduce the risk
of premature component failure.
The coils on the unit should be checked
regularly. If they are clogged with dirt or soot,
they may be professionally cleaned.You will
need to remove the unit from the case to
inspect the coils because the dirt build-up
occurs on the coil face that first contacts the
debris.
Operating without the filter in place or with a
damaged filter will allow dirt and dust to reach
the indoor coil and reduce the cooling,heating
airflow and efficiency of the unit.
Replacement filters should be purchased from
your local retailer where air conditioner and
furnace accessories are sold.
Filter size required is 20"x 20"x1",except for
Access-panel with return air grille and filter
holder which requires a 24″×30″×1″ size.
To remove
and replace
the filter:
Unit-mounted filter
-4-
INSTALLATION INSTRUCTION
BEFORE YOU BEGIN
Read these instructions completely and carefully.
This air conditioner is not meant to provide
unattended cooling or life support for persons
or animals who are unable to react to the
failure of the product.
The failur unattended air conditioner e of an
may result in extreme heat in the conditioned
space causing overheating or death of
persons or animals.
RISK OF ELECTRIC SHOCK.
All electrical connections and w i r i n g MUST
be installed by a qualified electrician.
Follow the National Electrical Code (NEC), the
Canadian Electrical Code (CEC) , a n d / o r
local codes and ordinances, as applicable.
For personal safety, this unit and case must be
properly grounded.
Protective devices (fuses or circuit breakers)
acceptable for unit installations are specified
on the nameplate of each unit.
Do not use an extension cord with this unit.
Aluminum building wiring may
present special problems - consult a qualified
electrician.
When the unit is not running there is still voltage
to the electrical controls.
Disconnect the power to the unit before
servicing by:
1. Removing the power cord from the wall
receptacle if unit has a cord.
OR
2. Removing the branch circuit fuses or turning
the circuit breakers off at the panel.
INSTALLATION INSTRUCTION
Electrical Requirement
WARNING
To avoid the risk of property damage,
personal injury or fire, use only copper
conductors.
To avoid property damage, personal injury
or death due to electrical shock, do not use
an extension cord with this unit.
WARNING
To avoid the risk of property damage,
personal injury or fire do not install with
power cord stretched or under a strain as
this may create loose plug/receptacle
connection.
WARNING
To avoid the risk of personal injury, wiring
to the unit must be properly polarized and
grounded.
WARNING
-5-
WARNING
HIGH VOLTAGE
Disconnect all power before servicing or
installing this unit multiple power sources
be present , failure to do so may cause
property damage , personal injury or death.
Do not service this unit without first
shutting off the power to the unit form the
circuit breaker and/or removing the unit
cord set plug from the wall outlet.
The power cord is located inside the electrical
control box cover for insert mounting.
LCDI Power cord
All wiring , including installation of the receptacle,
must be in accordance with the NEC, CEC and local
codes ordinances and regulations , as applicable.
LCDI power Cord
Unit Voltage
Rating Minimum Maximum
230/208 187 253
265 238 292
Operating Voltage
Voltage Utilization Range
230/208V 15Amp Perpendicular
230/208V 20 Amp Large tandem
230/208V 30Amp
WARNING
To avoid the risk of property damage, personal injury
or death due to fire, ensure that the Case, Unit, and
Front Case Panel are replaced as a complete assembly
in a retrofit/ replacement situation. Do not under any
circumstances insert this Unit into an existing
competitor case. For example, some existing cases
may contain plastics that are incompatible with this
unit from a safety standpoint.
• LCDI Cords(230/208V models only)-
Underwriters Laboratories and the National Electric
Code (NEC) now require power cords that sense
current leakage and can open the electrical circuit to
the unit on units rated at 250 volts or less. In the event
that unit does not operate, check the reset button
located on or near the head of the power cord as part
of the normal troubleshooting procedure.
•Cord connection to a wall socket is not permitted
for 265V units. All 265V units must be hard wired
using the hard wire kit.
-6-
Unit Component
Case
Unit
Front Case Panel
Required Accessories
(Check the"Essential Elements"label on the unit.)
Architectural Louver
Access Panel with
Return Air Grille
with filter holder
Cutout
Dimensions:
30"5/16Wx 48"5/16H
33"
51" Return Air Grille
with filter holder
Cutout
Dimensions:
20"5/16Wx 20"5/16H
22-7/8"
22-7/8"
Cutout Dimensions:
20-5/16" W x 32 -5/16"H
Wall Plenum
6"D x 20"W x 32"H
8"D x 20"W x 32"H
12"D x 20"W x 32"H
15"D x 20"W x 32"H
-7-
~2-1/4" ~1"
11-1/2"
10" 10"
duct
3"min.
3"
min. Electrical connection
4" min.
Door/access panel
Thermostat
Connection
Unit
front
Architectural Louver
UNIT INSTALLED THROUGH
SIDE OF CASE
Top View
~2-1/4" ~1"
11-1/2"
10" 10"
duct
5"min.
3"
min. Electrical connection
5" min.
Architectural Louver
Door/access panel
Thermostat
Connection Unit
front
A
B
A Minimum recommended access door width: 30"
B Minimum recommended access door height : 50"
Option 2
Return air grille
Inside wall
Option 1
Access panel
with return air grille
Rigid
ductwork
metal duct
Air discharge
outlet
Unit
Wall
plenum
Wall plenum
divider
Drain fittings 3/4"
Filter bracket
Secure platform
to the floor
8"min.
for drain
access
Platform: 23-1/4"x 23-1/4"square Min.
load capacity:175 Ibs.
Outside wall
Plenum
cutout
32-5/16"H
x 20-5/16"W
Exterior/Outside
Bottom of case approx.2"
above bottom of plenum
Wall plenum
Bottom of case approx 2”
above bottom of plenum
Platform
Outside wall
Field supplied
outer flashing
•4" min. from front of case - Unit
installed through FRONT of case.
•5" min. from front of case - Unit
installed through SIDE of case.
•3" min. from two sides of case.
(5"for side install).
31"
2" min
10" max
1/4 " BEYOND
FLASHING
Utility Closet Connection Locations
-8-
IMPORTANT: Plan and locate plenum, wall plug, drains and thermostat carefully to avoid
interference Hard-to-reach locations will make installation and service difficult!
Reference Dimensions
A Thermostat cable
B Power cord: 60" long if 230VAC or
conduit entrance if 265VAC.
C Case width and depth: 23-1/8"
D Case height: 31"
E Condensate drains: 3/4"connector
• Primary Drain - Centerline of
cutout is approximately 5-1/4"
from left case wall and 8-1/2" from
back case wall.
• Secondary Drain-centerline of
cutout is approximately 6-1/2"
from left case wall and 5-1/4" from
back case wall.
F Typical wall plug: 6"-12" above case
G 40" min.
Air outlet
Flex duct may be used
for transitions only
Use rigid duct for
90° bends and tees
Outside wall
A
B
CC
D
E
230/208VAC
Wall receptacle for cord and
plug connection as applicable
Platform
F
G
Connecting the
air outlet
Connecting the
air outlet
WARNING
WARNING
Supply duct is intended to distribute
conditioned air throughout a single
unit on one floor only. Unit space may
be partitioned into rooms within the
same unit, but supply air is not to be
delivered to any other unit.
Provide adequate return air paths for
rooms by established means. Do not
attach a return air duct to the chassis
or outer case.
Return Air Grille Installation Options
The room return air grille may be installed toward the front or either side of the unit.
Improper return air arrangements will cause performance problems.
There are three indoor return air grille installation options. Choose the option that best
suits your installation requirements. Follow the Installation Instructions provided with the
return air grille accessory for installation details.
NOTE: Use only one filter in the installation. The filter may be installed on the unit or in
the access panel/door.
Outside wall
Access panel with return air grille
Filter
Option 1
Return air grille
Filter
Option 2
Unit-mounted filter with a field-supplied return
air grille and access door/panel
Filter
Option 3
-9-