Instruction/ maintenance manual of the product 38YCX Carrier
Go to page of 8
38YCX—50 Hz Heat Pump—Outdoor Section Installation and Start-Up Instructions NOTE: Read the entire instruction manual before starting the installation.
match, replace indoor coil piston with piston shipped with outdoor unit. The piston shipped with outdoor unit is correct for any approved indoor coil combination. Do not operate unit in the vicinity of toxic or flammable material. Failure to follow this warning can result in personal injury, fire, or death.
To prevent compressor damage DO NOT bury more than 36 in. of refrigerant tubing. If ANY tubing is buried, provide 6 in. vertical rise at service valve. To prevent damage to unit or service valves observe the following: • Use a brazing shield. • Wrap service valves with wet cloth or use a heat sink material.
REFRIGERANT TUBING — Connect tubing to fittings on out- door unit vapor and liquid service valves. (See Fig. 2 and 5.) SWEAT CONNECTION — Use refrigerant grade tubing.
Fig. 7 — 24-v Control Circuit Connections A97052 C 1 4 7 C 9 6 3 HEAT PUMP Y O Y O W2 C R FB4ASX FAN COIL EMERGENCY HEAT RELAY W2 W3 E C R G THERMOSTAT W2 L E C R G ODTS2 ODTS1 BLU VIO SYSTEMS WITH .
Do not vent refrigerant to atmosphere. Recover during system repair or final unit disposal. 1. If equipped with a crankcase heater, energize a minimum of 24 hr before starting unit. To energize heater only, set thermostat OFF and close electrical disconnect to outdoor unit.
If defrost thermostat is in open position, and speedup pins are shorted (with a flat head screwdriver) for 5 sec and released, a short defrost cycle will be observed (actual length is dependent upon the selected Quiet Shift position).
Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 38ycxc3si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Tab 5a 5a PC 101 Catalog No.
An important point after buying a device Carrier 38YCX (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 38YCX 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 38YCX - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 38YCX you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 38YCX will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 38YCX, 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 38YCX.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 38YCX. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 38YCX 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
