Instruction/ maintenance manual of the product RHA**B*D Goodman Mfg
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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.
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 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.
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.
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.
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.
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 2.
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.
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 .
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.
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.
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 .
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If you already are a holder of Goodman Mfg RHA**B*D, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Goodman Mfg RHA**B*D.
However, one of the most important roles played by the user manual is to help in solving problems with Goodman Mfg RHA**B*D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Goodman Mfg RHA**B*D along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
