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Summary of Contents for ECR International Deluxe Heat DHSZ109DA
- Page 1 PRESENTS DUCTLESS OUTDOOR UNIT Installation anual MODELS DHSZ109DA DHSZ112DA 12 k DHSZ118DA 18 k DHSZ124DA 24 k ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 253 7900 www.ecrinternational.com PN 615000258 REV. A [01/16/2019]...
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Page 2: Table Of Contents
CONTENTS PAGE SAFETY PRECAUTIONS............. . 3 OUTDOOR UNIT INSTALLATION. -
Page 3: Safety Precautions
WARNING ELECTRICAL SHOCK HAZARD! Before installing, modifying, or servicing system, the main electrical disconnect switch must be in the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label. Failure to follow these instructions could result in personal injury or death CAUTION EQUIPMENT DAMAGE Do not bury more than 36 in. -
Page 4: Outdoor Unit Installation
Outdoor Unit Installation Installation Instructions – Outdoor Unit Step 1: Select installation location Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: Meets all spatial requirements shown in ... - Page 5 If the drain joint comes with a rubber seal SPECIAL CONSIDERATIONS FOR EXTREME (see Fig. 4.4 - A ), do the following: WEATHER Fit the rubber seal on the end of the drain joint If the unit is exposed to heavy wind: that will connect to the outdoor unit.
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Page 6: Unit Dimensions
Step 3: Anchor outdoor unit The outdoor unit can be anchored to the ground or to a wall-mounted bracket. UNIT MOUNTING DIMENSIONS Air inlet The following is a list of different Air inlet outdoor unit sizes and the distance between their mounting feet. Prepare the installation base of the Air outlet unit according to the dimensions... -
Page 7: Electrical Data
If you install the unit on a wall-mounted bracket , do the following: ARNING ARNING All wiring must comply with local and national electrical codes, and must be Before installing a wall-mounted unit, make installed by a licensed electrician. sure that the wall is made of solid brick, All electrical connections must be made concrete, or of similarly strong material. - Page 8 ARNING ATTENTION TO LIVE WIRE While crimping wires, make sure you clearly BEFORE PERFORMING ANY ELECTRICAL distinguish the Live (“L”) Wire from other wires. OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM. ARNING Prepare the cable for connection: ALL WIRING MUST PERFORMED STRICTLY USE THE RIGHT CABLE IN ACCORDANCE WITH THE WIRING...
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Page 9: Refrigerant Piping Requirements
Refrigerant Piping Connection Note on Pipe Length The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 6 5 (5 ), in North America, the standard pipe length is 5 ( 5 ). - Page 10 2. Using a pipe cutter, cut the pipe a little longer than the measured distance. 3. Make sure that the pipe is cut at a perfect 90° Flare nut angle. Refer to Fig. 5.1 for bad cut examples. 90° Oblique Rough Warped Copper pipe...
- Page 11 Place flaring tool onto the form. Instructions for Connecting Piping to Turn the handle of the flaring tool clockwise Indoor Unit until the pipe is fully flared. Align the center of the two pipes that you will Remove the flaring tool and flare form, then connect .
- Page 12 Instructions for Connecting Piping USE SPANNER TO GRIP MAIN to Outdoor Unit BODY OF VALVE Torque from tightening the flare nut can snap Unscrew the cover from the packed valve on off other parts of valve. the side of the outdoor unit. (See Fig. 5.9) Valve cover Fig.
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Page 13: Air Evacuation
Air Evacuation Preparations and Precautions Evacuation Instructions Air and foreign matter in the refrigerant circuit Before using the manifold gauge and vacuum can cause abnormal rises in pressure, which pump, read their operation manuals to familiarize can damage the air conditioner, reduce its yourself with how to use them properly. - Page 14 Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed. Turn on the vacuum pump to evacuate the Flare nut system. Run the vacuum for at least 15 minutes, or until Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump.
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Page 15: Electrical And Gas Leak Checks
Electrical and Gas Leak Checks Electrical Safety Checks ARNING After installation, confirm that all electrical wiring is installed in accordance with local and national regulations, and according to the Installation Manual. BEFORE TEST RUN Gas Leak Checks Check Grounding Work Measure grounding resistance by visual detection There are two different methods to check for gas and with grounding resistance tester. -
Page 16: Test Run
Test Run Before Test Run List of Checks to Perform PASS/FAIL No electrical leakage Only perform test run after you have completed the following steps: Unit is properly grounded Electrical Safety Checks – Confirm that • the unit’s electrical system is safe and All electrical terminals operating properly properly covered... - Page 17 DOUBLE-CHECK PIPE CONNECTIONS During operation, the pressure of the refrigerant circuit will increase. This may reveal leaks that were not present during your initial leak check. Take time during the Test Run to double-check that all refrigerant pipe connection points do not have leaks. Refer to Gas Leak Check section for instructions.
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Page 18: Disposal Guidelines
Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. When disposing of this appliance, you have the following options: •... -
Page 19: Specifications And Performance
Additional Refrigerant Calculation : 0 16 15 NOTES NOTE: Refrigerant Piping: Page ... - Page 20 2201 Dwyer Avenue, Utica, a, NY 13501 All specifications subject to change without notice. Tel. 800 253 7900 ©2018 ECR International, Inc. www.ecrinternational.com BDR THERMEA GROUP...
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