Instruction/ maintenance manual of the product 591B Bryant
Go to page of 12
NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration,.
can be no deviation. Consult the Application Guideline and Service Manual—Air Conditioners and Heat Pumps Using Pu- ron® Refrigerant to obtain required unit changes for specific applications and for R-22 retrofit. I. CHECK EQUIPMENT AND JOB SITE A.
INSTALLING TXV IN PLACE OF PISTON 1. Pump system down to 2 psig and recover refrigerant. 2. Remove hex nut from piston body. Use backup wrench on fan coils. 3. Remove and discard factory-installed piston. Be sure teflon seal is in place. 4. Reinstall hex nut.
CAUTION: To prevent improper performance and/or unit component failures, do not leave system open to atmosphere any longer than minimum required for instal- lation. POE oil in compressor is extremely susceptible to moisture absorption. Always keep ends of tubing sealed during installation.
C. REFRIGERANT TUBING Connect vapor tube to fitting on outdoor unit vapor service valves. Connect liquid tube to filter drier. (See Fig. 6 and Table 1.) Use refrigerant grade tubing. D. SWEAT CONNECTION CAUTION: To avoid valve damage while brazing, ser- vice valves must be wrapped in a heat-sinking material such as a wet cloth.
A. ROUTE GROUND AND POWER WIRES Remove access panel to gain access to unit wiring. Extend wires from disconnect through power wiring hole provided and into unit control box. WARNING: The unit cabinet must have an uninter- rupted or unbroken ground to minimize personal injury if an electrical fault should occur.
EXAMPLE: To calculate additional charge requried for a 25-ft line set: 25 ft - 15 ft = 10 ft X 0.6 oz/f t=6o zo f additional charge. B. COOLING ONLY PROCEDURE UNITS WITH COOLING MODE PURON® TXV Units installed with cooling mode TXV require charging by the subcooling method.
6. Refer to Table 4. Find outdoor temperature and evaporator entering air wet-bulb temperature. At this intersection, note superheat. 7. Refer to Table 5. Find superheat temperature located in item 6 and suction pressure. At this intersection, note suction line temperature.
24 VAC HOT 24 VAC COM R C G W/W1 Y/Y2 R C C BRYANT NON-PROGRAMMABLE THERMOSTAT MODEL AC SINGLE-STAGE FURNACE AIR CONDITIONER SEE NOTE 2 Y G W HEAT STAGE 1 COOL STAGE 1 INDOOR FAN A97359 24 VAC HOT R G.
24 VAC HOT R C W/W1 Y/Y2 G R DH W2 W1 Y/Y2 BRYANT NON-PROGRAMMABLE THERMOSTAT MODEL AC FK4C FAN COIL AIR CONDITIONER C INDOOR FAN HEAT STAGE 1 COOL STAGE 1 24 VAC COM Y1 C SEE NOTE 2 G O J2 JUMPER J1 .
PURON® (R–410A) QUICK REFERENCE GUIDE • Puron® refrigerant operates at 50-70 percent higher pressures than R-22. Be sure that servicing equipment and replacement components are designed to operate with Puron® • Puron® refrigerant cylinders are rose colored.
© 2003 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 —12— Printed in U.S.A. 550a184 Catalog No. 5355-020.
An important point after buying a device Bryant 591B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryant 591B 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 Bryant 591B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 591B you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 591B will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 591B, 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 Bryant 591B.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 591B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 591B 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
