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Goodman Mfg RHA**B*D manual

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Table of contents for the manual

  • Page 1

    A TTENTION INST ALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings. Often during installation [...]

  • Page 2

    2 Safety Instructions Safety Guidelines 1. Allow only qualified, experienced technicians to install or service this unit. 2. Inst all the system in accordance with all local codes. If no local codes exist, follow National Codes (NEC in the U.S., CEC in Canada). 3. Open the electrical disconnect switch(es) before electrically connect- ing the unit. [...]

  • Page 3

    3 3 DO NOT locate the unit: – Directly under a vent termination for a gas appliance. – Within 3 feet of a clothes drier vent. – Where the refreezing of defrost water would create a hazard. – Where water may rise into the unit. – Where the noise would prove to be a nuisance to the customer (i.e. windows, patios, decks, etc.) DO locate the [...]

  • Page 4

    4 Safe Refrigerant Handling WARNING To avoid possible explosion, death, or injury; practice safe handling of refrigerants. While these items will not cover every conceivable situa- tion, they should serve as a useful guide. WARNING Refrigerants are heavier than air. They can “push out” the oxygen in your lungs or in any enclosed space. To avoid[...]

  • Page 5

    5 5 6. Close the valve on the nitrogen cylinder and discon- nect it from the gauge manifold. 7. Check for leaks. Apply a soap solution on all connec- tions and joints. If you see bubbles, you have a leak. Mark these locations. NOTE: If you use an electronic leak detector to test for leaks, add a trace of R-22 to the system (if permitted by current [...]

  • Page 6

    6 Step 2. Evacuate Lines And Indoor Coil. a. Open the high and low side valves (B & A) on the gauge manifold. NOTE: Only open the valve (E) on the gauge manifold leading to the cylinder, not the valve on the charging cylinder (F). b. Evacuate the system to about 29 inches Hg as mea- sured by the low side (compound) gauge. c. Open the valve (D) [...]

  • Page 7

    7 7 Electrical Connections 75 60 50 43 37 N/R N/R N/R N/R N/ R N/R N/R N/R 1 1 8 9 57 96 85 95 34 7 N / R N / R N / R N / R N / R N / R 1 8 8 1 5 0 1 2 5 1 0 7 9 58 37 56 86 3 5 85 4 N / R N / R 301 241 201 1 72 150 134 120 109 100 93 86 80 75 471 376 314 2 69 235 209 188 171 157 145 134 125 118 N/R = NO T RECOMMENDED W ire am pacity and voltage dr[...]

  • Page 8

    8 IMPORTANT: Hard start components are required when single-phase reciprocating compressors are used with indoor coils which have thermal expansion valves. Some units have hard start components factory installed. See the “Specification Sheet” for hard start component require- ments. System St artup PRELIMINARY CHARGE ADJUSTMENT CAUTION If this [...]

  • Page 9

    9 9 4 50 60 70 80 90 100 110 120 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 SUP E RHEAT @ O. D. U N IT O UTD OO R TE M P ER AT URE DESIR ED SUPERH EAT vs OU TDOOR TEMP ER AT URE 9 0 ° F I n d o o r 70° F I n d o o r 7 5 ° F I n d o o r 8 0 ° F I n d o o r 85 ° F I n d o o r[...]

  • Page 10

    10 ID COIL WITH EXPANSION VALVE At stabilized cooling conditions and with an outdoor tem- perature of 60°F or higher, the subcooling at the outdoor unit liquid line service valve should be as specified in the specification sheet. Add or remove charge as required. ID COIL WITH ORIFICE For a proper superheat reading, measure the refrigerant pressure[...]

  • Page 11

    11 11 THERMOST A T* CONNECTIONS T O RH/VH HEA T PUMPS WITH INDOOR BBA/BBC BLOWER COIL Approved Thermostat s: 1213403, 1213404, 1213410, 1213406 NOTE: 1. When installing accessories, wiring may have to be modified. Follow the instructions in the accessory kit’s installation instructions. WARNING To avoid personal injury, shock or death, disconnect[...]

  • Page 12

    12 Sy stem C hecklist 1 Does the cond enser f an blade r otate f reely, and is it tig ht on the s haft? 2 Does the ref rigeran t tubing flex f reely and not touc h anoth er tube to c ause r ub throug h? 3 Are bot h indoor and outdoor secti ons level? 4 Are t he units proper ly suppor ted? 5 Is out door sec tion prop erly located on c oncr ete base [...]