Retro Aire RC 11 Installation & Operation Manual

Dual motor packaged terminal air conditioners

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DUAL MOTOR PACKAGED TERMINAL
RC 11, 12 & 21
RC/RH 10, 20, 35, 45, 80, 90
Enviromaster International LLC
5780 Success Dr.
Rome, NY 13440
www.retroaire.com
AIR CONDITIONERS
RC12
RC/RH20
RC21
RC/RH35
RC/RH10
RC11
RC/RH90
RC/RH45
An ISO 9001-2000 Certified Company
P/N# 240004146, Rev. 1.7 [02/07]
RC/RH80

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Summary of Contents for Retro Aire RC 11

  • Page 1 DUAL MOTOR PACKAGED TERMINAL RC 11, 12 & 21 RC/RH 10, 20, 35, 45, 80, 90 Enviromaster International LLC 5780 Success Dr. Rome, NY 13440 www.retroaire.com AIR CONDITIONERS RC11 RC12 RC/RH20 RC21 RC/RH35 An ISO 9001-2000 Certified Company RC/RH10 RC/RH90...
  • Page 2: Warnings And Precautions

    DUAL MOTOR PACKAGED TERMINAL AIR CONDITIONERS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL Shipping Damage MUST be Reported to the Carrier IMMEDIATELY!!! Examine the exterior. Remove cover and examine compressor and piping for signs of damage. This manual is intended as an aid to qualified service personnel for proper installation, operation, and mainte- nance of the RetroAire Dual Motor Packaged Terminal Air Conditioner (PTAC).
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Warnings and Precautions ... 2-3 The Dual Motor PTAC Family ... 4 Controls and Components ... 4 Preparation for Installation ... 5 Electrical Wiring ... 5 Installation Instruction for: RC/RH10 Replacement PTAC ... 6 RC11 Replacement PTAC ... 7 RC12 Replacement PTAC ...
  • Page 4: The Dual Motor Ptac Family

    RC12: A straight cool only replacement for the Len- nox PTEIA Series. RC/RH20: A straight cool/heat pump replacement for the Climate Master (Friedrich) 702 & 703, Cool Heat RM Series, TPI Ra-Matic, Weather Twin, and ZoneAire S, SC & RM.
  • Page 5: Preparation For Installation

    WARNING Moving parts can cause personal injury. Exercise all due caution when test running the chassis. PREPARATION FOR INSTALLATION IMPORTANT: RetroAire Dual Motor PTACs are to be used with metal wallsleeves. The sleeves must employ front panels secured by screws that prevent contact with all parts with minor dimensions of openings not exceeding 1/2”.
  • Page 6: Installation Instruction For: Rc/Rh10 Replacement Ptac

    Install 1/2” x 1/2” Foam Tape RC/RH10 BAFFLE INSTALLATION KIT • 1 Installation Manual • 1/2” x 1/2” Open Cell Foam Tape • 1 Top Baffl e • 1” x 1” Open Cell Foam Tape • 2 Sets of Lt.&Rt. Baffl es •...
  • Page 7: Rc11 Replacement Ptac

    Install 1/2” x 1/2” Foam Tape RC11 BAFFLE INSTALLATION KIT • 1 Installation Manual • 1/2” x 1/2” Open Cell Foam Tape • 1 Top Baffl e • 1” x 1” Open Cell Foam Tape • 2 Sets of Lt.&Rt. Baffl es •...
  • Page 8: Rc12 Replacement Ptac

    RC12 INSTALLATION KIT • 1 Installation Manual • 1ea. 2-Position Connector & Pin Mate HYDRONIC • 14AWG Black Wire ONLY 1. Take unit out of packaging. 2. Slide unit into wall sleeve. The supply duct on the cool- ing chassis should line up with the supply vent on the room cabinet.
  • Page 9: Rc/Rh20 Replacement Ptac

    ADJUSTABLE WEATHER SEAL ANGLE POSITIONS 8 5/8” 7 7/8” 9 1/2” 10 1/4” NOTE: Dimensions calculated without foam gaskets (1) Standard position-Factory installed (2) Position for Climate Master 702 and 703. 5 1/2” 35 15/16” 22” CONDENSER COIL 8 1/2” 14 13/16”...
  • Page 10: Front View

    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 from the sides and top of the cabinet. Install between wall sleeve and cooling chassis. It is imperative to have a solid air seal between wall sleeve and chassis.
  • Page 11: Rc21 Replacement Ptac

    DIMENSIONS MODEL 9-12 20 14” 15-18 25 1/4” 10 1/8” A - OVERALL CHASSIS DEPTH B - CONDENSER SECTION DEPTH C - EVAPORATOR SECTION DEPTH Dimensions “A” and “B” are with condenser NOTE: recirculation baffles and without weather seal gasket. Condenser recirculation baffles for standard 10”...
  • Page 12 RC21 INSTALLATION INSTRUCTIONS (Continued) Figure D5 Wall Sleeve Front View Cooling Chassis 1�x1� Foam Tape 6. 1” x 1” Open cell foam strips are provided to prevent outside air from entering around the chassis to the room from the sides and top of the cabinet. Install between wall sleeve and cooling chassis.
  • Page 13: Rc/Rh35 Replacement Ptac

    RC/RH35 INSTALLATION KIT • 1 Installation Manual • Screws • 1 Lt. & Rt. Baffles • 1” x 1” Open Cell Foam Tape • 1ea. 2-Position Connector & Pin Mate HYDRONIC ONLY • 14AWG Black Wire 1. Take unit out of packaging. 2.
  • Page 14: Rc/Rh45 Replacement Ptac

    34.50” 14.07” 5.50” RC/RH45 INSTALLATION KIT • 1 Installation Manual • Screws • 1 Lt. & Rt. Baffles (size 1) • 1” x 1” Open Cell Foam Tape • 1 Lt. & Rt. Baffles (size 2) • 1/2” x 1/2” Open Cell Foam Tape •...
  • Page 15 RC/RH45 INSTALLATION INSTRUCTIONS 7. 1” x 1” Open cell foam strips are provided to prevent outside air from entering around the chassis to the room from the sides and top of the cabinet (Figure D7). Install between wall sleeve and cooling chassis. It is impera- tive to have a solid air seal between wall sleeve and chassis.
  • Page 16: Rc/Rh80 Replacement Ptac

    RC/RH80 BAFFLE INSTALLATION KIT • 1 Installation Manual • Screws • 1 Lt.Baffl e • 1” x 1” Open Cell Foam Tape • 1 Rt.Baffl e • 1/2” x 1/2” Open Cell Foam Tape • 1ea. 2-Position Connector & Pin Mate HYDRONIC •...
  • Page 17 RC/RH80 INSTALLATION INSTRUCTIONS (Continued) 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.
  • Page 18: Rc/Rh90 Replacement Ptac

    Install Duct Collar here NOTE: CONTROL BOX IS A SEPARATE PART THAT IS ELECTRICALLY CON- NECTED TO THE CHASSIS ON-SITE. RC/RH90 BAFFLE INSTALLATION KIT • 1 Installation Manual • Screws • 1 Lt. & Rt. Baffl es • 1/4” x 3/4” Open Cell Foam Tape •...
  • Page 19 RC/RH90 INSTALLATION INSTRUCTIONS (Continued) 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.
  • Page 20: Final Inspection And Startup

    CAUTION When the unit is first powered up, high humidity condi- tions can cause condensation to form on the discharge grill. Keep doors and windows closed to reduce humidity and condensation will evaporate. 1. Make sure the chassis is level. Check by pouring water into the drain pan and making certain it flows through the drain hoses to the condenser side of the unit.
  • Page 21 UNIT MOUNTED THERMOSTAT OPERATIONAL INSTRUCTIONS IMPORTANT: The room temperature must be above 65º F for the compressor to operate. 3. Place system switch in the “OFF” position. All operation should stop. HEATING CYCLE - Electric: 1. Place system switch in the “HEAT” position. 2.
  • Page 22 SEQUENCE OF OPERATION REMOTE THERMOSTAT OPERATIONAL INSTRUCTIONS CHOOSING A THERMOSTAT: EMI offers a thermostat that is compatible with your PTAC/PTHP unit. Select EMI part number 240-2960 from the latest Retroaire price list for this option. This is a single stage, cool/heat, mercury bulb thermostat that can be used in all Retroaire cooling, heating or heat pump applications.
  • Page 23 temperature below the room temperature. The heating mode will cease and the indoor fan will remain on for an additional sixty seconds. NOTE: The start of the compressor will not take place until the anti-short/random start time period has elapsed. HEAT PUMP (Emergency Heat) WARNING Before accessing the control compartment, disconnect...
  • Page 24: Cleaning And Maintenance

    CLEANING THE INTERIOR OF THE UNIT DANGER Before servicing the RetroAire Dual Motor PTAC, be sure to turn off electrical power to the unit. Failure to do so can result in a fire, explosion or electrical shock causing property damage, personal injury or death. 1.
  • Page 25: Specifications

    SPECIFICATIONS FOR THE RC/RH10/20/35/45/80/90 & RC11/12/21 Due to EMI’s ongoing development programs, design, specifications, and performance data may change without notice. When installing the RC/RH10/20/35/45/80/90 or the RC11/12/21 refer to the charts below for electrical and optional electric heat specifications. RC/RH10/20/35/45/80/90 &...
  • Page 26: Warranty

    ALL PRODUCT LIMITED WARRANTY Enviromaster International LLC (EMI) warrants to the purchaser/owner that EMI products will be free from defects in material and workmanship under the normal use and maintenance for a period of twelve months for all components and sixty months on unit compressors from the date of original installation, or fifteen months for all components and sixty-three months on unit compressors from the date of manufacture, whichever comes first.

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