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Friedrich RC/RH 20 manual

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Table of contents for the manual

  • Page 1

    Enviromaster International LLC 5780 Success Dr. Rome, NY 13440 www.retroaire.com INST ALLA TION, OPERA TION AND MAINTENANCE MANU AL An ISO 9001-2000 Certified Company DUAL MOTOR P A CKA GED TERMINAL AIR CONDITIONERS RC 1 1, 12 & 21 RC/RH 10, 20, 35, 45, 80, 90 P/N# 240004146, Rev . 1.7 [02/07] RC1 1 RC12 RC/RH20 RC21 RC/RH35 RC/RH10 RC/RH80[...]

  • Page 2

    2 www .retroaire.com The Right Fit For Comfort INST ALLA TION, OPERA TION, AND MAINTENANCE MANUAL P/N# 240004146, Rev . 1.7 [02/07] This manual is intended as an aid to qualified service personnel for proper installation, operation, and mainte- nance of the RetroAire Dual Motor Packaged T erminal Air Conditioner (PT AC). Read these instructions th[...]

  • Page 3

    3 www .retroaire.com The Right Fit For Comfort INST ALLER RESPONSIBILITIES T his manual has been prepared to acquaint you with the installation, operation and maintenance of RetroAire Dual Motor PT ACs and to provide important safety information in these areas. We urge you to read all of these instructions thoroughly before attempting the installat[...]

  • Page 4

    4 www .retroaire.com The Right Fit For Comfort The RetroAire Dual Motor PT AC is available in nominal sizes of 9,000 Btuh, 12,000 Btuh, 15,000 Btuh, and 18,000 Btuh.* With energy efficiency ratings as high as 10, the replacement of worn out and inefficient units is a very at - tractive option. * The RC12 PT AC, however , is only available in nomi[...]

  • Page 5

    5 www .retroaire.com The Right Fit For Comfort PREP ARA TION FOR INST ALLA TION IMPORT ANT : RetroAire Dual Motor PT ACs are to be used with metal wallsleeves. The sleeves must employ front pane ls secur ed by screws th at preve nt conta ct with al l parts with minor dimensions of openi ngs not exceed ing 1/2”. The final assembly must employ an [...]

  • Page 6

    6 www .retroaire.com The Right Fit For Comfort EV AP BLOCK OFF Install 1/2” x 1/2” Foam T ape 1. Take uni t o ut of packaging. 2. Sl id e uni t in to w al l sle ev e. If sup pl y duc t on coo ling cha ssis doe s not l ine up w ith suppl y v ent o n roo m c abi net i t i s pos sib le tha t fac tory inst all ed angle brack ets o n the t op and si[...]

  • Page 7

    7 www .retroaire.com The Right Fit For Comfort RC1 1 PERFORMANCE DA T A* UNIT SIZE COOLING BTUH EER FRESH AIR CFM 9 9500 10 40/35 12 1 1,900 10 40/35 15 14,700 9.2 40/35 18 16,900 9.1 40/35 1. Take uni t o ut 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 cabine[...]

  • Page 8

    8 www .retroaire.com The Right Fit For Comfort INST ALLA TION INSTRUCTIONS 1. Take uni t o ut 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. The weather angles should require no adjustment. 3. Make sure baffles come in contact with the outdoor louver [...]

  • Page 9

    9 www .retroaire.com The Right Fit For Comfort AIR INT AKE FIL TER 5 1/2” 8 1/2” 35 15/16” 4” 3” 2” REMOVEABLE WEA THER SEAL ANGLES 22” CONDENSER COIL 14 13/16” A 18 1/8” 8 1/4” 26” AIR OUTLETS B RC/RH20 REPLACEMENT PT AC ADJUST ABLE WEA THER SEAL ANGLE POSITIONS A 8 5/8” 7 7/8” 9 1 1/16” (1) 8” (2) B 9 1/2” 10 1/4?[...]

  • Page 10

    10 www .retroaire.com The Right Fit For Comfort Hydronic Only: Remove the 2-position connector as- sembly from kit bag supplied with unit (this will have 2 yellow wires attached) . Con nect this 2-p ositio n conn ec- tor to the 2-position connection located on the bottom of the control box panel. T o Connect Aquastat: A. Remove the black jumper wir[...]

  • Page 11

    1 1 www .retroaire.com The Right Fit For Comfort RC21 REPLACEMENT PT AC INST ALLA TION INSTRUCTIONS 1. Take uni t o ut of packaging. 2. Slide unit into wall sleeve. If supply duct on cooling chassis does not line up with supply vent on room cabinet it is possible that factory instlled angle brackets on the top and sides will have to be reversed. Th[...]

  • Page 12

    12 www .retroaire.com The Right Fit For Comfort 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. Failure to do so will[...]

  • Page 13

    13 www .retroaire.com The Right Fit For Comfort *Refer to the charts on page 23 for electrical and optional electric heat specifications. 1. Take uni t o ut 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. 3. Slide unit out of wall-sleeve IMPORT ANT : T[...]

  • Page 14

    14 www .retroaire.com The Right Fit For Comfort RC/RH45 REPLACEMENT PT AC INST ALLA TION INSTRUCTIONS 1. Take uni t o ut of packaging. 2. Slide unit into wall slee ve. If suppl y duct on coolin g chas- sis does not line up with supply vent on room cabinet it is possible that factory installed angle brackets on the top and sides will have to be reve[...]

  • Page 15

    15 www .retroaire.com The Right Fit For Comfort Front V iew Cooling Chassis W all Sleeve 1  x1  Foam T ape RC/RH45 PERFORMANCE DA T A* Unit Size Cooling Btuh EERs Heat Pump Btuh COP Fresh Air CFM 9 9,500 10 8500 2.8 40/35 12 1 1,900 10 1 1400 2.9 40/35 15 14,700 9.2 13800 2.8 40/35 18 16,900 9.1 N/A N/A 40/35 RC/RH45 INST ALLA TION INSTRUCTIO[...]

  • Page 16

    16 www .retroaire.com The Right Fit For Comfort RC/RH80 REPLACEMENT PT AC INST ALLA TION INSTRUCTIONS Air Filter 8”x30” Permanent Aluminum Mesh 1. Take uni t o ut of packaging. 2. Slide unit into wall sleeve. The supply duct on the cooling chassis should line up with the supply vent on the room cabinet. The weather angles should require no adju[...]

  • Page 17

    17 www .retroaire.com The Right Fit For Comfort RC/RH80 INST ALLA TION INSTRUCTIONS (Continued) RC/RH80 Performance Date* UNIT SIZE COOLING BTUH EER HEA T PUMP BTUH COP FRESH AIR CFM 9 9,500 10 8500 2.8 40/35 12 1 1,900 10 1 1400 2.9 40/35 15 14,700 9.2 13800 2.8 40/35 18 16,900 9.1 N/A N/A 40/35 6. Once confident that all seals are the correct si[...]

  • Page 18

    18 www .retroaire.com The Right Fit For Comfort IMPORT ANT : The RC/RH90 chassis is 18 1/4” deep for the 9,000, 12,000, and 15,000 Btuh models. The standard depth for the 18,000 Btuh is 24”. However , EMI can supply it for an 18 1/4” chassis on demand. RC/RH90 REPLACEMENT PT AC INST ALLA TION INSTRUCTIONS 1. Remove unit from box and install d[...]

  • Page 19

    19 www .retroaire.com The Right Fit For Comfort RC/RH90 FINAL INSPECTION AND ST ART -UP ( All other units see “Final Inspecton and Startup” page 20) 1. Mount control box in wall sleeve (in the same location as the old control box) 2. Make sure the chassis is level. Check by pouring water into the drain pan and making certain it flows through t[...]

  • Page 20

    20 www .retroaire.com The Right Fit For Comfort 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. 2. Plug or hard wire line voltage to unit. IMPORT ANT : Follow the information provided on the rat- ing plate for voltage and amperage/fu[...]

  • Page 21

    21 www .retroaire.com The Right Fit For Comfort controls will power a normally closed valve that is the same voltage as the unit (ex: a unit rated 208/230 V will power a 208/230 V normally closed valve). Be sure to check the wiring diagram (located on the unit) and voltage application for the specific unit. Other valve configurations and voltage [...]

  • Page 22

    22 www .retroaire.com The Right Fit For Comfort SEQUENCE OF OPERA TION (CONTINUED) CHOOSING A THERMOST A T : EMI offers a thermostat that is compatible with your PT AC/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 Re[...]

  • Page 23

    23 www .retroaire.com The Right Fit For Comfort HP HP SEQUENCE OF OPERA TION (CONTINUED) condition be detected, the compressor and condenser fan will be swi tch ed off fo r a min imu m of th ree minu tes and unti l the freeze condition is satisfied. During this time the indoor fan will continue to run to aid in the defrost process. AJ4 004 CONT RO[...]

  • Page 24

    24 www .retroaire.com The Right Fit For Comfort 1 1. Replace panels and reconnect electrical power . 12. T est unit operation. CLEANING THE EXTERIOR 1. Clean the air filter at least once a month by removing it from the unit and washing or vacuuming any dust from its surface. Allowing dust to collect on the filter will cause the PT AC to lose ef?[...]

  • Page 25

    25 www .retroaire.com The Right Fit For Comfort Due to EMI’s ongoing development programs, design, specifications, and performance data may change without notice. SPECIFICA TIONS FOR THE RC/RH10/20/35/45/80/90 & RC1 1/12/21 When installing the RC/RH10/20/35/45/80/90 or the RC1 1/12/21 refer to the charts below for electrical and optional ele[...]

  • Page 26

    26 www .retroaire.com The Right Fit For Comfort ALL PRODUCT LIMITED W ARRANTY 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[...]