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Table of Contents
Related Manuals for Carrier 42PQV...S
Summary of Contents for Carrier 42PQV...S
- Page 1 42PQV...S/38VBH...S INSTALLATION MANUAL...
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Page 2: Table Of Contents
• Never open system to atmosphere while it is under vacuum. • When the system must be opened for service, break vacuum with dry nitrogen. • Do not vent R-410A into the atmosphere. • Use only Carrier matching indoor units and outdoor units (Table I). Table I Indoor unit... -
Page 3: General Information
42PQV...S/38VBH...S General information Unit installation IMPORTANT: During the unit installation make first refrigerant Read this instruction manual thoroughly before starting the connections and then electrical connections. If unit is installation. uninstalled first disconnect electrical cables, then refrigerant connections. • This equipment contains R-410A refrigerant, a substance... -
Page 4: Dimensions And Weight
42PQV...S/38VBH...S Dimensions and weight E N G L I S H Mod. 42PQV...S 38VBH...S Mod. 009 / 012 33 - 37 Ø 8,3 Table II : Connections Model Max.height difference Max.pipe length Pipe diameter Pipe diameter Outdoor unit Indoor unit... -
Page 5: Minimum Clearances And Operating Limits
42PQV...S/38VBH...S Minimum clearances and operating limits min. min. min. 1900 min. Obstacle Model 009-012 A mm B mm C mm D mm E mm F mm Table III: Operating limits outdoor temperature 43°C Maximum conditions indoor temperature 32°C d.b.; 23°C w.b. -
Page 6: Material Supplied And System Charge
42PQV...S/38VBH...S Material supplied and system charge E N G L I S H Material supplied The following installation accessories are supplied with unit. Use them as required. NAME and shape Q.ty Wall hanging bracket For indoor unit installation. Screws 4xL10... -
Page 7: Choosing The Installation Site
42PQV...S/38VBH...S Choosing the installation site Indoor unit • Fix the unit with locally purchased bolts buried in the block to prevent overturning due to strong gusts of wind. Positions to avoid: • Exposed to direct sun. • Too close to heat sources. -
Page 8: Warnings: Avoid
42PQV...S/38VBH...S Warnings: avoid… E N G L I S H Any obstruction of the unit air outlet or return. Exposure to direct sunshine, when unit is operating in cooling mode; always use shutters or shades. Positions too close to heating sources which may damage the unit. - Page 9 42PQV...S/38VBH...S Warnings: avoid..Disconnecting the refrigerant connections after installation: Excessive height difference between indoor and outdoor unit (see this will cause refrigerant leaks. Table II "Connections"). Excessive distance between indoor and Connecting the condensate drain pipe to the outdoor unit.
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Page 10: Installation For Indoor Unit
42PQV...S/38VBH...S Installation for indoor unit E N G L I S H • The piping can be connected in the four ways indicated by • Before installing the wall hanging bracket, remove it from the unit by pushing at the indicated parts at the bottom of the body. - Page 11 42PQV...S/38VBH...S Installation for indoor unit Installing the indoor unit body to the wall Routing the drain hose and refrigerant piping hanging bracket • Tie together the refrigerant pipe, the drain hose, and the • Pass the pipes through the wall sleeve and then hook the indoor electrical connection cord.
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Page 12: Refrigerant Connections
42PQV...S/38VBH...S Refrigerant connections E N G L I S H Flaring the ends of the tubing The unit can be installed: on the floor; on the wall using the bracket kit. Remove protective caps from copper tube ends. Connect tubing in accordance with the limits shown on Table II Position tube end downward, cut the tube to the requested length (Connections). - Page 13 42PQV...S/38VBH...S Refrigerant connections Air purging Three-way valve (liquid) Flare nut Needle valve Liquid line (small diameter) Valve cap Gas line (large diameter) Valve needle Indoor unit Allen (hex. head) wrench Outdoor unit Three-way valve (liquid) Vacuum pump Use only a vacuum pump to purge air from the piping.
- Page 14 42PQV...S/38VBH...S Refrigerant connections E N G L I S H No moisture. No dust. Charge liquid-no gas. No leak. No mineral oil. Copper tubes during storage. Neat. 1/2” UNF (R-410A) 7/16” UNF (R-22) Use tools designed for R-410A higher pressure.
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Page 15: Check
42PQV...S/38VBH...S Check • Next, check the unit drain system by pouring some water into the unit drain pan and ensuring that it flows freely through the drain hose and that there is no leakage from any other part. Use of additional screws... -
Page 16: Electrical Connection For Indoor Unit
42PQV...S/38VBH...S Electrical connection for indoor unit E N G L I S H IMPORTANT: • Make refrigerant connections before electrical connections. When disconnecting, disconnect electrical connections before refrigerant connections. • Make ground connection prior to any other electrical connections. • The mains supply must be connected to the indoor unit. -
Page 17: Electrical Connection For Outdoor Unit
42PQV...S/38VBH...S Electrical connection for outdoor unit 38VBH- 009S - 012S ³ » ¿ · Connecting cable, indoor-outdoor units Terminal box legend (field wiring). Mains supply connecting cable Earth. (field wiring). ³ Indoor unit Live power supply. · Outdoor unit Neutral power supply. -
Page 18: Electrical Connection
42PQV...S/38VBH...S Electrical connections E N G L I S H The mains supply must be connected to the indoor unit. • Open control box panel (valve cover panel). • Make electrical connections between units prior to proceeding to mains supply unit connection. -
Page 19: Pump Down And Refrigerant Cycle
42PQV...S/38VBH...S Pump Down and refrigerant cycle Pump-down Shut off the liquid valve with the Allen wrench. Turn the system on in cooling with fan operating at high velocity. (Compressor will immediately start, provided 3 minutes have Pump-down is an operation intended to collect all the elapsed since the last stop). -
Page 20: Operating Test Address Selector And Fault Code
42PQV...S/38VBH...S Operating test, address selector and fault code E N G L I S H Fault code Operating test Once a failure occurs with the indoor unit in operation, • Perform the operating test after the units have been installed in position and the gas leak test has been completed. -
Page 21: Unit Configuration, Remote Configuration, Guide For Owner And Accessories
42PQV...S/38VBH...S Unit configuration, remote configuration, guide for the owner and accessories Table VI: Unit configuration ITEM Shown on display Explanation Description “A” remote unit A Remote address indoor unit A. “rAdr” “b” remote unit B Remote address indoor unit B. -
Page 22: Maintenance And Troubleshooting
42PQV...S/38VBH...S Maintenance and troubleshooting E N G L I S H Unit maintenance • Mains voltage wrong (too high or too low). • Condenser coil (outdoor or indoor, in case of heat pump operation) obstructed; remove obstructions. The following maintenance operations must be carried out by •... - Page 23 42AH5A54030 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. December 2003 Printed in Korea...
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