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DUAL MOTOR PACKAGED TERMINAL AIR CONDITIONERS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL P/N# 240004146, Rev. 1.7 [02/07] Shipping Damage MUST be Reported to the Carrier IMMEDIATELY!!! Examine the exterior. Remove cover and examine compressor and piping for signs of damage. SAFETY INSTRUCTIONS This manual is intended as an aid to qualified service personnel for proper installation, operation, and mainte- Read all instructions before using the RetroAire nance of the RetroAire Dual Motor
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TABLE OF CONTENTS MODIFICATION AND TAMPERING Warnings and Precautions ..................................... 2-3 DANGER ! ! The Dual Motor PTAC Family ................................... 4 Controls and Components ........................................ 4 Tampering with the RetroAire Dual Motor PTAC is Preparation for Installation ....................................... 5 dangerous and may result in serious injury or death. Electrical Wiring ...............................................
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The RetroAire Dual Motor PTAC is available in nominal THE DUAL MOTOR PTAC FAMILY sizes of 9,000 Btuh, 12,000 Btuh, 15,000 Btuh, and 18,000 Btuh.* With energy efficiency ratings as high as 10, the The RetroAire Dual Motor PTAC is available as a cooling- replacement of worn out and inefficient units is a very at- only model or, for those who wish to up-grade to a heat tractive option. pump, the RH10, 20, 35, 45, 80, and 90 heat pump chassis will fit the existing wall sleeve. The heat pump vers
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WARNING WARNING ! ! ! ! Moving parts can cause personal injury. Exercise The correct condenser air baffles must be properly all due caution when test running the chassis. installed or performance will be impaired and/or the warranty will be voided!! See individual unit installation instructions for more PREPARATION FOR INSTALLATION information. IMPORTANT: RetroAire Dual Motor PTACs are to be used with metal wallsleeves. The sleeves must employ front panels secured by screws that prev
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INSTALLATION INSTRUCTIONS RC/RH10 REPLACEMENT PTAC 5. Apply one piece of 1/2” x 1/2” open cell polyfoam to top fl ange Install of evaporator block off (See illustration at left). 1/2” x 1/2” Foam Tape 6. Apply 2” x 1 1/2” open cell foam strips around supply air duct to ensure that all the conditioned air is delivered into the room. Failure to do so results in recirculation of the conditioned air around the wall sleeve and through the unit causing the unit to short cycle and coils to freez,
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INSTALLATION INSTRUCTIONS RC11 REPLACEMENT PTAC 6. Apply 2” x 1 1/2” open cell foam strips around supply air duct to ensure that all the conditioned air is delivered 1/2 34 ” into the room. Failure to do so results in recirculation of 3/4 39 ” the conditioned air around the wall sleeve and through the unit causing the unit to short cycle, thus raising 1/8 14 ” operating costs through improper heating and cooling (Figure A2). Figure B2 7. 1” x 1” Open Wall Sleeve cell foam strips 1/4 30 ”
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INSTALLATION INSTRUCTIONS RC12 REPLACEMENT PTAC IMPORTANT: If adjoining room conditioning is required, the RC12 is able to discharge to the right and left by utilizing the four-inch knockouts (Figure B3) on either side of the evaporator compartment using 4” flex duct. 3. Once confident that all seals are the correct size and in the proper location and the correct baffles are attached to the condenser coil and in the proper orientation, slide unit into final position and tighten any tie down bo
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INSTALLATION INSTRUCTIONS RC/RH20 REPLACEMENT PTAC ADJUSTABLE WEATHER SEAL ANGLE POSITIONS Two sets of baffles are provided in your kit to accommodate (1) (2) mounting brackets in either position A or B. A 8 5/8” 7 7/8” 9 11/16” 8” (1) (2) B 9 1/2” 10 1/4” 8 7/16” 10 1/8” NOTE: Dimensions calculated without foam gaskets Figure A4 Figure B4 (1) Standard position-Factory installed (2) Position for Climate Master 702 and 703. REMOVEABLE WEATHER SEAL ANGLES 5 1/2” 4” 35 15/16” 3” 22” CONDENSER
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RC/RH20 INSTALLATION INSTRUCTIONS (Continued) 6. 1” x 1” Open cell foam strips are provided to prevent outside air from entering around the chassis to the room Hydronic Only: Remove the 2-position connector as- from the sides and top of the cabinet. Install between sembly from kit bag supplied with unit (this will have 2 yellow wires attached). Connect this 2-position connec- wall sleeve and cooling chassis. It is imperative to have tor to the 2-position connection located on the bottom a s
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INSTALLATION INSTRUCTIONS RC21 REPLACEMENT PTAC DIMENSIONS 2. Slide unit out of wallsleeve. MODEL A B C 9-12 20 14” 9 7/8” 10 3/8” 3. Remove baffles from kit bag supplied with unit. 15-18 25 1/4” 10 1/8” 15 3/8” IMPORTANT: The correct condenser air baffles must be A - OVERALL CHASSIS DEPTH B - CONDENSER SECTION DEPTH installed or performances may be impaired and/or the C - EVAPORATOR SECTION DEPTH warranty will be voided. NOTE: Dimensions “A” and “B” are with condenser recirculation baffles and
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RC21 INSTALLATION INSTRUCTIONS (Continued) Figure D5 Hydronic Only: Remove the 2-position connector as- Wall Sleeve sembly from kit bag supplied with unit (this will have 2 yellow wires attached). Connect this 2-position connector to the 2-position connection located on the bottom of the control box panel. To Connect Aquastat: Front View A. Remove the black jumper wire located on the bot- tom panel of the control box (this is also terminated Cooling Chassis with a 2-position connector). 1
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INSTALLATION INSTRUCTIONS RC/RH35 REPLACEMENT PTAC 6. Once confident that all seals are the correct size and in the proper location and the correct baffles are attached to the condenser coil and in the proper orientation, slide unit into final position and tighten any tie down bolts or screws as necessary. Hydronic Only: Remove the 2-position connector as- sembly from kit bag supplied with unit (this will have 2 yellow wires attached). Connect this 2-position connector to the 2-position conne
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INSTALLATION INSTRUCTIONS RC/RH45 REPLACEMENT PTAC 3. Slide unit out of wallsleeve and install baffles on the condenser side. 18.63” 34.50” 4. Remove baffles from kit bag supplied with unit. 16.50” IMPORTANT: The correct condenser air baffles must be installed or performances may be impaired and/or the 14.07” warranty will be voided. 5. Baffle Installation - Install left and right side baffles on the condenser coil in existing holes: 5.50” • Choose the proper fitting baffles for your application
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RC/RH45 INSTALLATION INSTRUCTIONS (Continued) 7. 1” x 1” Open cell foam strips are provided to prevent 8. Once confi dent that all seals are the correct size and in outside air from entering around the chassis to the room the proper location and the correct baffl es are attached from the sides and top of the cabinet (Figure D7). Install to the condenser coil in the proper orientation, slide between wall sleeve and cooling chassis. It is impera- unit into fi nal position and tighten any tie down
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INSTALLATION INSTRUCTIONS RC/RH80 REPLACEMENT PTAC Figure A8 Baffl es-Directed Inward Toward Coil � ���������� ��� � ������ � � �� �� �� �������� ���� �� � � � � 1/2” X 1/2” Supply Air Air Filter Duct Foam Tape 8”x30” Permanent Aluminum Mesh 3. Take 1/2” x 1/2” open cell foam strips from kit bag and apply to sheet metal fl anges around the perimeter of the discharge outlet as shown in (Figure A8). Failure to do so results in recirculation of the conditioned air around the wall sleeve and t
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RC/RH80 INSTALLATION INSTRUCTIONS (Continued) 7. Connect line cord. 6. Once confident that all seals are the correct size and in the proper location and the correct baffles are attached 8. See Final Inspection and Startup on page 20. to the condenser coil and in the proper orientation, slide unit into final position and tighten any tie down bolts or screws as necessary. RC/RH80 Performance Date* UNIT COOLING HEAT PUMP FRESH EER COP Hydronic Only: Remove the 2-position connector as- SIZE BTUH
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INSTALLATION INSTRUCTIONS RC/RH90 REPLACEMENT PTAC 3. Baffl e Installation - Remove baffl es from kit bag sup- Install Duct Collar here plied with unit. Install left and right side baffl es on the condenser coil in existing holes: • Baffl es must come in contact with the outdoor louver • Make sure baffl es are directed inward toward the center of coil • Secure baffl es tightly to the condenser coil using the NOTE: CONTROL BOX IS screws provided (Figure A9) A SEPARATE PART THAT IS ELECTRICALLY
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RC/RH90 INSTALLATION INSTRUCTIONS (Continued) 6. Once confident that all seals are the correct size and in RC/RH90 FINAL INSPECTION the proper location and the correct baffles are attached AND START-UP to the condenser coil and in the proper orientation, slide unit into final position and tighten any tie down bolts or ( All other units see “Final Inspecton and Startup” page 20) screws as necessary. 1. Mount control box in wall sleeve (in the same location as the old control box) Hydronic Only:
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FINAL INSPECTION AND STARTUP CAUTION ! ! discharge air or the return air to the units (i.e., curtains or drapes that obstruct the air flow or plush carpeting When the unit is first powered up, high humidity condi- that can obstruct the return air (see below)). Items like tions can cause condensation to form on the discharge these can cause serious damage to the chassis and grill. Keep doors and windows closed to reduce humidity can void the warranty. and condensation will evaporate. The p
