Sanyo 26KHS72R Installation Instructions - Page 103
Charging Additional Refrigerant
View all Sanyo 26KHS72R manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 103 highlights
07-115 SSHP_II 5/7/07 4:00 PM Page 103 10-3. Charging Additional Refrigerant Manifold valve G Charging additional refrigerant (calculated from the liquid tube length as shown on page 14, Amount of additional refrigerant charge) using the liquid tube service valve. (Fig. 10-5) G Use a balance to measure the refrigerant accurately. Pressure gauge Lo Hi Valve G If the additional refrigerant charge amount cannot be charged at once, charge the remaining refrigerant in liquid form by using the gas tube service valve with the system in Cooling mode at the time of test run. (Fig. 10-6) * If an additional refrigerant charge has been performed, list the refrigerant tubing length and amount of additional refrigerant charge on the product label (inside the panel). 10-4. Finishing the Job (1) With a hex wrench, turn the liquid tube service valve stem counter-clockwise to fully open the valve. (2) Turn the gas tube service valve stem counterclockwise to fully open the valve. CAUTION To avoid gas from leaking when removing the charge hose, make sure the stem of the gas tube is turned all the way out ("BACK SEAT" position. Liquid R410A Close Gas tube Close C Liquid tube Outdoor unit Close (3) Loosen the charge hose connected to the gas tube service port (5/16 in.) slightly to release the pressure, then remove the hose. (4) Replace the 5/16 in. flare nut and its bonnet on the gas tube service port and fasten the flare nut securely with an adjustable wrench or box wrench. This process is very important to prevent gas from leaking from the system. (5) Replace the valve caps at both gas and liquid service valves and fasten them securely. Fig. 10-5 Open Gas tube Open Liquid tube Outdoor unit Open Fig. 10-6 103