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PRESENTS
WALL AIR HANDLER
DUCTLESS SPLIT SYSTEM
Installation, Operation
and
Maintenance Manual
MODELS
DHWAL09DA 9 kBtu/h
DHWAL12DA 12 kBtu/h
DHWAL18DA 18 kBtu/h
DHWAL24DA 24 kBtu/h
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 253 7900
www.ecrinternational.com
PN 615000257 REV. B [09/17/2020]
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Summary of Contents for ECR International EMI Deluxe Heat DHWAL09DA
- Page 1 WALL AIR HANDLER DUCTLESS SPLIT SYSTEM Installation, Operation Maintenance Manual MODELS DHWAL09DA 9 kBtu/h DHWAL12DA 12 kBtu/h DHWAL18DA 18 kBtu/h DHWAL24DA 24 kBtu/h ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 253 7900 www.ecrinternational.com PN 615000257 REV. B [09/17/2020]...
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Page 2: Table Of Contents
Table of Contents Installation Manual Safety Pr ecautions......1 Accessories........5 Installation Summary - Indoor Unit..3 Unit P arts.......... 9 Indoor Unit Installation..10 1. Select installation location ......10 2. Attach mounting plate to wall ....11 3. Drill wall hole for connective piping ..... 11 4. - Page 3 Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. This is a safety alert symbol. It is used to alert you to potential physical injury hazards.
- Page 4 WARNING For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. You must use an independent circuit and single outlet to supply power. Do not connect other appliances to the same outlet. Insufficient electrical capacity or defects in electrical work can cause electrical shock or fire.
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Page 5: Accessories
Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to fail. Name Shape Quantity... - Page 6 PIPE SIZE Name Quantity 1/4 in (6.35mm) Φ Liquid side Connecting pipe 3/8 in (9.52mm) Φ Parts you must purc hase. assembly 3/8 in (9.52mm) Consult the dealer about Φ the pipe size. 1/2 in (12.7mm Φ Gas side (16mm 5/8 in Φ...
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Page 7: Installation Summary - Indoor Unit
Installation Summary - Indoor Unit 5.9 in (15cm) 4.75in 4.75in (12cm) (12cm) 90.55in(12cm) Select Installation Location Determine Wall Hole Position (Page 11) (Page 12) Attach Mounting Plate Drill Wall Hole (Page 12) (Page 12) Page 7 ... - Page 8 Connect Piping Prepare Drain Hose Connect Wiring (Page 25) (Page 14) (Page 17) Wrap Piping and Cable (not applicable for some locations in the US ) (Page 18) STEP Mount Indoor Unit (Page 18) Page 8 ...
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Page 9: Unit Parts
Unit Parts NOTE: The installation must be performed in accordance with the requirements of local and national standards. 1. Wall Mounting Plate Service Switch 2. Front Panel 3. Power Cable (Field Source) 4. Louver 5. Functional Filter (On Front of Main Filter - Some Units) 6. -
Page 10: Indoor Unit Installation
Indoor Unit Installation install unit in the following DO NOT Installation Instructions – Indoor locations: Unit Near any source of heat, steam, or combustible gas PRIOR TO INSTALLATION Near flammable items such as curtains or Before installing the indoor unit, refer to the clothing label on the product box to make sure that the model number of the indoor unit matches the... -
Page 11: Attach Mounting Plate To Wall
Refer to the following diagram to ensure proper distance from walls and ceiling: 5.9 in (15cm) or more 4.75 in (12cm) 4.75 in (12cm) or more or more 90.55 in (2.3m) or more Fig. 3.1 Step 2: Attach mounting plate to wall Step 3: Drill wall hole for connective piping The mounting plate is the device on which you You must drill a hole in the wall for refrigerant... - Page 12 MOUNTING PLATE DIMENSIONS Wall Indoor unit 16.88 in (429mm) Indoor Outdoor outline 7.1 in (180mm) 4.3 in (110mm) Left rear wall Right rear wall hole 2.5 in (65mm) hole 2.5in (65mm) 29.5 in (750mm) Model A 16.88 in (429mm) Indoor unit 4.3in outline 5.5 in...
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Page 13: Prepare R Efrigerant Piping
3. Use scissors to cut down the length of the Step 4: Prepare refrigerant piping insulating sleeve to reveal about 6 in (15cm) of The refrigerant piping is inside an insulating the refrigerant piping. This serves two purposes: sleeve attached to the back of the unit. Prepare the piping before passing it through the hole in •... -
Page 14: Connect Drain Hose
Step 5: Connect drain hose PLUG THE UNUSED DRAIN HOLE By default, the drain hose is attached to the left- To prevent unwanted leaks you must plug hand side of unit (when you’re facing the back the unused drain hole with the rubber plug of the unit). - Page 15 CAUTION BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS All wiring must comply with local and national electrical codes, and must be installed by a licensed electrician. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units. If there is a serious safety issue with the power supply, stop work immediately.
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Page 16: Connect Signal Cable
Step 6: Connect signal cable TAKE NOTE OF FUSE SPECIFICATIONS The signal cable enables communication between The air conditioner’s circuit board (PCB) is the indoor and outdoor units. You must first designed with a fuse to provide overcurrent choose the right cable size before preparing it for protection. -
Page 17: Wrap Piping And Cables
DO NOT INTERTWINE SIGNAL CABLE WITH 6. Feed the signal wire through this slot, from OTHER WIRES the back of the unit to the front. While bundling these items together, do not 7. Facing the front of the unit, match the wire intertwine or cross the signal cable with any colors with the labels on the terminal block, other wiring. - Page 18 If refrigerant piping is already embedded in Connect drain hose and refrigerant piping the wall, do the following: (refer to Refrigerant Piping Connection section of this manual for instructions). Hook the top of the indoor unit on the upper Keep pipe connection point exposed to hook of the mounting plate.
- Page 19 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 20: 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 21: Specifications And Performance
Specifications and Performance Deluxe Wall Specification and Preformance Indoor Wall Air Handler Model DHWAL09D DHWAL12D DHWAL18D DHWAL24D Power Supply 208-230/ 1/60 208-230/ 1/60 208-230/ 1/60 208-230/ 1/60 V/ph/Hz Input Output 0.06 0.06 0.13 Indoor air flow (Hi/Mi/Lo) 340/260/205 340/260/205 595/460/355 775/715/585 Indoor air flow (Hi/Mi/Lo) m3/h... - Page 22 Page 22 ...
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- Page 24 2201 Dwyer Avenue, Utica, NY 13501 All specifications subject to change without notice. Tel. 800 253 7900 ©2020 ECR International, Inc. www.ecrinternational.com BDR THERMEA GROUP...
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