Instruction/ maintenance manual of the product 50AH Carrier
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Copy right 20 02 Carrie r Cor poration Form 50AH-6PD Single Pac kage Coolin g Units F eatur ing: • compact des ign • fle xibi lity • easy maint enance • hig h quali ty and reli abilit y • qu.
2 locatio n is ideal for th e mainten ance technicia n, and five acce ss pane ls, easi ly removed, provide quick a nd convenient acces s to all co mponents wh en needed.
3 LEGEND *Shipping weights include base unit plus packaging. †If components are to be split, additional refr igerant will be needed. **T wo-speed motor.
4 Thermostat and subb ase — Attractive wall-mounted 24-v accesso ry provide s precise temp erature co ntrol. Automatic a nd Manual changeover mod els availabl e. A thermostat subbase is av ailable that works with Cycle- LOC™ circuitry. If a safety device trips, compressor locks out and su bbase war ning ligh t (LK OUT) al erts occupa nt.
5 Base unit dimensions DIME NSIONS (f t-in .) UNIT 50AH ABCD E 024 2-5 2-1 5 / 8 1- 5 3 / 4 1-2 1-1 036 2-4 3 / 4 2-2 1- 5 3 / 4 1-2 1-1 048 2-5 2-3 1-11 5 / 8 1-8 7 / 8 1-7 7 / 8 060 2-4 3 / 4 2-2 3 .
6 I De ter m ine co oling req uir eme nts at desi gn conditions. Given: Gross Cooling Capacity Required (TC) . . . . . . . . . . . . . . . . . . 39,000 Btuh Sensible Heat Capacity (SHC) . . . . . . 30,500 Btuh T emperature of Air Entering Condenser . .
7 GROSS COOLING CAP ACITIES (cont) LEGEN D NO TES: 1. P e rformance b ased on n ominal con denser airflow l isted in physical dat a table on page 3 . 2. SHC is based on 80 F db temp erature of air ent ering th e coil. Bel o w 80 F db , sub tract (co rr f actor x c fm) from SH C.
8 BEL T DRI VE EV AP ORA T OR F AN PER FORMANC E (Special Order Only, Pricing and or dering on related price pa ges.) LEGEND NO T E: Pulley setti ng must be adjusted to limit cfm to 450 c fm/ton maximum. Unit operation be yond that limit may result in blow-off and condensate problems.
9 ELECTRIC HEA TER ST A TIC PRESSURE DROP (in. wg) NO T E: Abov e electr ic heaters are not UL (Underwriters’ Laboratories) or CSA (Canadian Standards Association) listed f or use with optional high-static e vapor at or-fan motor (048, 060 units only).
10 ELECTR IC HEA TER DA T A LEGEND *May be field conv er ted t o single-phase units, see electric heat inst allation instructions. NO T E: Separate pow er source is required for all heaters. Control from base unit 50AH (24 v). ELECT RIC HE A T ER UNIT 88EN USED WITH UNIT 50AH V- P H (60 Hz) CAP .
11 T ypical w iring schematic 50AH048,060 — 230-1- 60 UNITS LEGEND AHA — Adjustable Heat Anticipator C— Contactor Compressor CB — Circuit Breaker CC — Cooling Compensator E Q UIP GND — Equ.
12 T ypical w iring schematic (c ont) 50AH036,048,060 — 208/2 30- 3-60 UNITS LEGEND AHA — Ad justab le Hea t Anticipator C— Contactor Compres sor CB — Circuit Breaker CC — Cooling Compensato.
13 Application d ata OUTDOOR-AIR TEMPE R A TURE OPERA TING LIMITS (F) Field splitting inst ructions — If componen ts are spli t, maximum length of refrigerant tubing to be used is 50 ft, assumi ng componen ts are installed in same horizo ntal plane.
14 Indoor P a c k aged Unit HV AC Guide S pecific ations — Se ction 15 787 Size Range: 2 to 5 T ons, Nomina l Carrier Mode l Number: 50AH Part 1 — General 1.01 SYSTEM DESCRIPTION Indoor mo unted, electricall y controll ed packaged horizontal cooling unit utilizing a hermetic type scroll compressor .
15 I. O perating char acteristics: 1. Unit shall operate using refrigerant R-22. 2. Unit sha ll be desi gne d for indo or sus pended horiz onta l moun ting an d ope rati on. J. Elec trical Requirements Unit shall ha ve single point power connection to leads in ter minal box.
Manufa cturer reser ves the right to disconti nue, or change at any time, specificat ions or designs wi thout noti ce and without incurrin g obligations.
An important point after buying a device Carrier 50AH (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 50AH yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 50AH - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 50AH you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 50AH will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 50AH, 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 Carrier 50AH.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 50AH. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 50AH 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
