Carrier 42PQV Installation Manual
42pqv/38vbh series
Hide thumbs
Also See for 42PQV:
- Owner's manual (15 pages) ,
- Installation manual (14 pages) ,
- Owner's manual (13 pages)
Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Carrier 42PQV
Summary of Contents for Carrier 42PQV
- Page 1 42PQV/38VBH R-410A INSTALLATION MANUAL...
-
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/38VBH General information Unit installation IMPORTANT: During the unit installation make first refrigerant connections and then electrical connections. If unit is uninstalled first disconnect electrical cables, then refrigerant connections. Read this instruction manual thoroughly before starting the installation. WARNING: Disconnect the mains power supply switch and wait over •... -
Page 4: Dimensions And Weight
42PQV/38VBH Dimensions and weight E N G L I S H Mod. 42PQV 38VBH 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/38VBH 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 46°C Maximum conditions indoor temperature 32°C d.b.; 23°C w.b. -
Page 6: Material Supplied And System Charge
42PQV/38VBH 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/38VBH 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/38VBH 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/38VBH 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.
-
Page 10: Installation For Indoor Unit
42PQV/38VBH 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/38VBH Installation for indoor unit Routing the drain hose and refrigerant Installing the indoor unit body to the wall 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.
-
Page 12: Refrigerant Connections
42PQV/38VBH 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: Air Purging
42PQV/38VBH 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: Refrigerant Connections
42PQV/38VBH 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. -
Page 15: Check
42PQV/38VBH Check Use of additional screws After installation, if there is a significant gap between the unit and wall, it can be adjusted by securing the body to the wall hanging bracket using 2 screws. Screw holes can be only seen after removing the frame grille. -
Page 16: Electrical Connection For Indoor Unit
42PQV/38VBH 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/38VBH Electrical connection for outdoor unit 38VBH- 009 - 012 ³ » ¿ Connecting cable, indoor-outdoor units Terminal box legend (field wiring). Mains supply connecting cable Earth (field wiring). Live power supply Neutral power supply ³ Indoor unit Live connection indoor-outdoor units ·... -
Page 18: Electrical Connection
42PQV/38VBH 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/38VBH 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 system elapsed since the last stop). -
Page 20: Operating Test Address Selector And Fault Code
42PQV/38VBH Operating test, address selector and fault code E N G L I S H Operating test Fault code • Perform the operating test after the units have been installed in Once a failure occurs with the indoor unit in operation, the green or orange LED flashes at intervals of 0.5 seconds. -
Page 21: Unit Configuration, Remote Configuration, Guide For Owner And Accessories
42PQV/38VBH 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/38VBH 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 42AP5A54030 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. Order No. 14487, December 2002. Supersedes Order No.(New). Printed in Korea...