INSTALLATION MANUAL DOWNFLOW / HORIZONTAL COIL CABINET DOWNFLOW LOUVERED DOOR ASSEMBLY MODELS: 97-F SERIES LIST OF SECTIONS 1 General 1 3 Louvered Door Frame Assembly Installation 3 2 Safety 2 4 Coil Cabinet Installation 5 LIST OF FIGURES 1 Cooling Coil Cabinet Dimensions 1 4 A Coil Filters 4 2 Return Air Grille Frame Assembly 4 5 Coil Cabinet Door Mounting Bracket 5 3 Return Air Grille 4 6 Coil Cabinet Door Mounting Bracket Location 5 LIST OF TABLES 1 Coil Cabinet Models Nomenclature 3 2 Coil Cabinet and Return Frame Assembly Models 3 SECTION I: GENERAL The following list includes important facts and information regarding the louvered door frame assembly for your coil cabinet and its inclusions. 1. A/C coil cabinet designed to be attached to an electric furnace equipped with blower for A/C or Heat Pump operation. 2. A/C coil cabinets are available heights are shown in Table 2. 3. Frame and Grille assembly is available in an 18 inch height and a 24 inch height. 4. Frame and Grille assembly does not have an air filter. Air filters are placed on top of the cooling coil. Refer to Figure 4. NOTE: This furnace and its components listed on the A/C and Heat Pump equipment sticker were listed in combination as a system by ETL for the United States. Figure 1: Cooling Coil Cabinet Dimensions MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 1
SECTION II: SAFETY This is a safety alert symbol. When you see this symbol on labels or in manuals; be alert to the potential for personal injury. Understand and pay particular attention to the signal words DANGER, WARNING, or CAUTION. DANGER: indicates an imminently hazardous situation, which if not avoided, will result in death or serious injury. WARNING: indicates a potentially hazardous situation, which if not avoided, could result in death or serious injury. CAUTION: indicated a potentially hazardous situation, which if not avoided, may result in minor or moderate injury. It is also used to alert against unsafe practices and hazards involving property damage. FIRE OR ELECTRICAL HAZARD Failure to follow the safety warnings exactly could result in serious injury, death, or property damage. A fire or electrical hazard may result causing property damage, personal injury or loss of life. Improper installation may create a condition where the operation of the product could cause personal injury or property damage. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for assistance or for additional information consult a qualified contractor, installer, or service agency. This product must be installed in strict compliance with the installation instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes. SAFETY REQUIREMENTS 1. Provide clearances for servicing ensuring service access is allowed for the coil compartment... 2. Failure to carefully read and follow all instructions in this manual can result in malfunction of the furnace, death, personal injury, and / or property damage. 3. Installing and servicing cooling equipment can be hazardous due to electrical components. 4. Only trained and qualified personnel should install repair or service heating / cooling equipment. Untrained service personnel can perform basic maintenance functions such as cleaning of exterior surfaces and replacing the air filters. Observe all precautions in the manuals and on the attached labels when working on this appliance. 5. These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances these instructions exceed certain local codes and ordinances, especially those who have not kept up with changing mobile home, modular home and HUD construction practices. These instructions are to be followed and are the minimum requirement for a safe installation. INSPECTION As soon as the coil cabinet is received, it should be inspected for possible damage during transit. If damage is evident, the extent of the damage should be noted on the carrier s freight bill. A separate request for inspection by the carrier s agent should be made in writing. Also check to be sure all accessories such as heater blend air kits are available. Installation of these accessories should be accomplished before the coil cabinet is set in place or the connecting of the wiring, electric heat, ducts or piping. CODES The furnace must be installed in accordance with the following codes. Standard for the Installation of Air Conditioning and Ventilating Systems (NFPA 90A) Standard for the Installation of Warm Air heating and Air Conditioning Systems (NFPA 90B) National Electrical Code (NFPA 70) Canadian Electrical Code, Part I (CSA C22.1) All local codes (State, City, and Township) NOTE: All applicable codes take precedence over any recommendation made in these instructions. MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 2
Series Door Type Top Cover Cabinet Type Cabinet Height 97-F S = Solid L = Louvered 21 = 23 1/4" 27 = 30 1/2" 39 = 41 1/4" B = Knocked Down F = Assembled O = Open S = Solid Table 1: Coil Cabinet Model Nomenclature Front Door of Cabinet Open Top 17 3/4" x 21 3/4" Maximum Air Flow CFM 1" Pleated Air Filter, In The Door 2" Pleated Air Filter, Top of Cabinet Height Depth Width Louvered N/A 1200 20x20 23 1/4" 25" 19 3/4" Solid 1600 20x24 23 1/4" 25" 19 3/4" Louvered 1800 20x20 20x24 23 1/4" 25" 19 3/4" Louvered N/A 1600 20x30 30 1/2" 25" 19 3/4" Solid 1600 20x24 30 1/2" 25" 19 3/4" Louvered 1800 20x20 20x24 30 1/2" 25" 19 3/4" Louvered N/A 1800 2ea 20x20 40 1/4" 25" 19 3/4" Solid 2000 20x24 40 1/4" 25" 19 3/4" Louvered N/A 1200 N/A N/A 18" N/A 19 3/4" Louvered N/A 1600 N/A N/A 24" N/A 19 3/4" Coil Sizes All Mortex 96 series coils will fit in cabinet 96-97 series coils and 98 series coils sizes up to 98-8W7 All Mortex series coils will fit in cabinet Frame & Grills Non-Cabinet Table 2: Optional Coil Cabinet and Return Air Grille Models, CFM S and Air Filter Chart SECTION III: INSTALLING THE LOUVERED DOOR FRAME ASSEMBLY Alcove Installation This kit is approved for use in alcove installations with an approved air conditioning coil. The louvered door frame assemblies are available in 18 inch and 24 inch height. The furnace is 33 in height making the total furnace and filter frame assembly heights either 51 inches or 57 inches. To install the louvered door frame assembly to the furnace follow the steps below Prior to installing the furnace make sure the holes are cut into the floor for the refrigerant tubing, the electrical wiring are in place, the thermostat wiring and the condenser control wiring are in place. 1. Before installing the coil cabinet on the furnace, be sure you have enough clearance to install the furnace and the louvered door assembly. 2. Remove the louvered door frame assembly from the box. 3. Remove the front access panel (door) by removing the thumb screw that secures the door to the frame assembly. 4. Lay the frame assembly flanges against the furnace top cover and align the screw holes in the furnace top cover with the holes in the flanges of the frame assembly. Refer to Figure 1. 5. Install the screws through the holes provided in order to secure the frame assembly to the top of the furnace. 6. Slide the furnace on to the floor base and follow the instructions in the installation manual to properly install the furnace. 7. Follow the instructions to properly install the cooling coil. 8. Install the coil air filters as shown in figure 4 9. Place the ½ inch flange on the bottom of the door into the behind the flange provided on the frame assembly. 10. Push the door towards the frame assembly, then insert the thumb screw into the hole provided at the top of the door and tighten the screw until the door is securely fastened to the frame assembly. MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 3
NOTE: The installer must provide a strap that attaches to the top of the furnace and is secured to the alcove wood framing. Figure 2: Return Air Grille Frame Assembly Figure 4: A Coil Filters NOTE: Coil Filters are used with the 97-FG Frame and Grille assemblies only. SECTION IV: INSTALLING THE COIL CABINET Closet or Alcove Installation Figure 3: Return Air Grille This kit is approved for use in an alcove or closet installations with an approved air conditioning coil. The coil cabinets are available in 23 1/4, 30 1/2 and 40 1/4 height. The furnace is 33 in height making the total furnace and coil cabinet heights are 56, 63 and 73. To install the coil cabinet assembly to the furnace, follow the steps below Prior to installing the furnace make sure the holes are cut into the floor for the refrigerant tubing, the electrical wiring are in place, the thermostat wiring and the condenser control wiring are in place. 1. Before installing the coil cabinet on the furnace, be sure you have enough clearance to install the MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 4
furnace and the coil cabinet. If not, you may want to use a shorter coil cabinet or use a saw to enlarge the opening or the area where the furnace will be positioned. 2. Remove the parts from the box. Check for any damage before you start assembling the cabinet. 3. Place the rear panel against the left side panel and install the three (3) screws. 4. Place the rear panel against the right side panel and install the three (3) screws. 5. Place the coil cabinet top cover on the side and rear panels so the three flanges on the top cover overlap the side and rear panels. Install the nine (9) screws. 6. Turn the coil cabinet upside down and place the 1/2 inch seal strip along the bottom flanges of the coil cabinet back and side panels. Refer to Figure 6. 7. Set the coil cabinet on top of the furnace and secure to the furnace top cover with screws thru the three holes on the rear panel flange. 8. Place the coil cabinet door mounting bracket under the left and right side coil cabinet panel flanges. The door bracket must be placed between the coil cabinet side panel flanges and the furnace top cover. Refer to Figure 6. 9. Install the remaining screws thru the holes provided in the coil cabinet flanges to secure the coil cabinet to the furnace top cover. 10. Slide the furnace on to the floor base. Push the furnace back until the furnace casing is against the rear flange. 11. Slide the furnace on to the floor base and follow the instructions in the installation manual to properly install the furnace. 12. Follow the instructions to properly install the cooling coil. 13. Place the coil cabinet door into the two tabs provided on the coil cabinet door bracket. 14. Push the door towards the coil cabinet and insert the thumb screw into the hole provided at the top of the door and tighten the screw until the door is securely fastened to the coil cabinet. NOTE: The installer must provide a strap that attaches to the top of the furnace and is secured to the alcove or closet wood framing Figure 6: Coil Cabinet Door Bracket Location Subject to change without notice Copyright by Mortex Products Inc. 2009. Supersedes: 61MH0012 MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 5