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VERTICAL TERMINAL
AIR CONDITIONER/HEAT PUMP
INSTALLATION INSTRUCTIONS & OWNER'S MANUAL
MODELS
SERIES
VI20HA09K36E7PA30
VI20HA12K36E7PA30
VI20HA15K50E8PA30
VI20HA09K25E6PA30
VI20HA12K50E8PA30
VI20HA15K36E7PA30
ATTENTION INSTALLATION PROFESSIONAL
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
direct conflict between existing practices and the content of this manual, the precautions listed here take precedence.
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Summary of Contents for Applied Comfort VI20HA09K36E7PA30
- Page 1 VERTICAL TERMINAL AIR CONDITIONER/HEAT PUMP INSTALLATION INSTRUCTIONS & OWNER'S MANUAL MODELS SERIES VI20HA09K36E7PA30 VI20HA12K36E7PA30 VI20HA15K50E8PA30 VI20HA09K25E6PA30 VI20HA12K50E8PA30 VI20HA15K36E7PA30 ATTENTION INSTALLATION PROFESSIONAL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items.
- Page 2 CONTENTS RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION OPERATION INSTRUCTIONS …………………… WARNING CARE AND CLEANING … ………………………… The manufacturer will not be responsible for any injury or INSTALLATION INSTRUCTIONS ………………… property, damage arising from improper service or service procedures. If you install or perform service on this unit, you ERROR CODE AND SOLUTION…………………16 assume responsibility for any personal injury or property...
- Page 3 OPERATION INSTRUCTION Controls-terminal connections ON/OFF switches Switch side shipping screws side shipping screws terminals are still HOT and must not be touched. servicing. R FD GH B Y W GL C Red-24VAC Front Desk Control Green-High fan speed Blue-Reversing valve Yellow-Compressor White-Heater Orange...
- Page 4 Turn off the Unit and disconnect the power supply before cleaning Air Filters To maintain optimum performance, change the The coils on the unit should be checked filter at least every 30 days. The most important regularly. If they are clogged with dirt or soot, thing you can do to maintain the unit is to change they may be professionally cleaned.You will the filter at least every 30 days.
- Page 5 INSTALLATION INSTRUCTION BEFORE YOU BEGIN Read these instructions completely and carefully. 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.
- Page 6 INSTALLATION INSTRUCTION Electrical Requirement The power cord is located inside the electrical • LCDI Cords(230/208V models only)- control box cover for insert mounting. Underwriters Laboratories and the National Electric Code (NEC) now require power cords that sense LCDI Power cord current leakage and can open the electrical circuit to the unit on units rated at 250 volts or less.
- Page 7 Unit Component Case Unit Front Case Panel Required Accessories (Check the"Essential Elements"label on the unit.) 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 Architectural Louver 12"D x 20"W x 32"H 15"D x 20"W x 32"H 33"...
- Page 8 UNIT INSTALLED THROUGH SIDE OF CASE Top View Architectural Louver Architectural Louver ~2-1/4" ~2-1/4" ~1" ~1" 11-1/2" 11-1/2" 5"min. 3"min. 10" 10" 10" 10" duct duct Door/access panel 3" 3" min. min. Electrical connection Electrical connection Unit Thermostat 4" min. Unit 5"...
- Page 9 Utility Closet Connection Locations Plan and locate plenum, wall plug, drains and thermostat carefully to avoid IMPORTANT: interference Hard-to-reach locations will make installation and service difficult! WARNING Flex duct may be used for transitions only Use rigid duct for Supply duct is intended to distribute 90°...
- Page 10 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.
- Page 11 Wall Plenum And Architectural Louver Installation Since the unit itself does not install in the wall opening, the use of a plenum is necessary to contain and separate the outdoor air paths. The plenum must be able to hold water in the bottom without leaking into the wall cavity.
- Page 12 (2)Install The Drain(s) An external or an internal drain must be attached to the primary drain connector. A secondary drain is supplied if required by state and local codes. Refer to the local codes for proper installation of the drains. If the secondary drain is not used, seal its drain port with a 3/4"MNPT plug.
- Page 13 (3)Ductwork Prepare the closet ductwork for later connection to the case. The total flow rate(CFM) and external static pressure (ESP) available can be estimated from the chart below. The collar on top of the case accepts standard 10"duct.Pull all duct tight. Extra duct slack can greatly increase Static pressure.
- Page 14 (6)Connect The Top Duct (5a)Install And Ground The Unit To 1. Install the duct onto the air discharge outlet. The Case Unit Installed Through Front Of Case Inside wall 1. Slide the back of the unit into the case. Push the unit all of the way into the case until it stops.
- Page 15 SERVICING NOTE: We strongly recommend that any WARNING servicing be performed by a qualified individual. For ease of service. the unit can be removed from the case: unit, multiple 1. Remove the front case panel. 2. Unplug the power cord. 3.
- Page 16 Switch Setting 1、Switch 1 SW3.1—Powered vent door 1 2 3 4 5 6 7 8 Cooling fan Heating fan Electric memory Freeze protect Reserved Electric heater Heat pump Reserved SW3.1 is set to “ON” SW3.1 is set to “OFF” SW1.1—Reserved. Powered vent door is open Powered vent door is close SW1.2—Heat pump enable/disable.
- Page 17 Error code and solutions (error codes illuminated in display) Meaning Error Code Solutions Check the communication cables; make sure they are firmly Communication failure between connected. If the cables are broken, replace them. indoor unit and outdoor unit. Check the plug is firmly connected. If the sensor is broken, Indoor Temp Sensor Open/short.
- Page 18 TROUBLESHOOTING POSSIBLE CAUSES SOLUTIONS Check that plug is plugged securely in wall receptacle. UNIT DOES NOT START ● ● Unit may have become unplugged Note :Plug has a test/reset button on it. Make sure that the ● Fuse may have blown plug has not tripped.
- Page 19 THIS PAGE INTENTIONALLY LEFT BLANK...
- Page 20 Applied Comfort Products Inc. 1210 Bal moral Road, Cambridge, Ontario, Canada, N 1T 1 AS...
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