Rc/rh22 packaged terminal rc/rh22 packaged terminal
air conditioner/heat pump
for new construction or as a
replacement for icecap rsk & islandaire ez-rk series (14 pages)
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).
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.
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”.
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 •...
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 •...
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.
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.
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”...
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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.
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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.
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 •...
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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.
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 •...
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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.
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.
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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.
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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.
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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...
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.
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 &...
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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