Carrier 38ED- Manuals

Page 2 - When evaporator is more than 2 sizes larger than; Table 2 — Optimization Chart; Components

4'-0" OVERHEAD SPACE REQUIRED FOR SERVICE AND AIRFLOW Table 1 — Physical Data (Refer to Fig. 1) l-t DIAM HOLE FOR POWER WIRING LIQUID VALVE SERVICE PORT CONDENSER AIRFLOW 1-6 AIRFLOW AND SERVICE .CLEARANCE SUCTION VALVE SERVICE PORT ♦CONCRETE PAD SHOULD WEIGH TO 2 TIMES WEIGHT OF UNIT Certified ...

Page 3 - Fig. 3 — Refrigerant Line Hangers

When 1-1/8 in. tubing is used (38ED036,042, 048,060) braze it to the accessory 1-1/8 x 3/4-in. suction connection adapter (Carrier Part No. 28VQ900011) or to correctly sized field-supplied adapter, then make Compatible Fittingconnections. Isolate interconnecting tubing from framing and ductwork or w...

Page 4 - except; Step 4 — Make Electrical Connections

See Fig. 4 and install as follows: 1. Remove coil liquid line cap and discard. 2. Attach field-supplied flare fittings to solenoid valve straight 3/8-in. stubs. 3. 4. 5. Connect solenoid to tube assembly, making sure solenoid flow arrows point towards indoor coil. Mount solenoid in any position exce...

Page 5 - Fig. 5 — 24-Volt Control Circuit Connections

THERMOSTAT SUBBASE HH93AZ042 OR HH93AZ040 TRANS ARRANGEMENT A — COOLING ONLY THERMOSTAT SUBBASE HH93AZ042 OR HH93AZ040 TRANS -------1 -A J ARRANGEMENT B — ONE TRANSFORMER, COOLING AND ONE-STAGE HEATING THERMOSTAT SUBBASE HHAZ93I76 TRANS MIN 60VA RH — RC ___ ARRANGEMENT C — ONE TRANSFORMER, COOLING A...

Page 6 - Fig. 6 — Line Power Connections; Use a furnace or fan coil transformer as 24-v; Refrigerant Charging

See Table 4 for recommended wire and fuse sizes. When making electric connections, provide clearance at unit for refrigerant piping connections. INSTALL A BRANCH CIRCUIT DISCONNECT PER NEC of adequate size to handle unit starting current. Locate disconnect within sight from and readily accessible f...

Page 7 - evaporator

Table 5 — Refrigerant Charging Methods MODEL METHODS OF CHECKING OR ADJUSTING CHARGE METHODS FOR COMPLETE RECHARGING 38ED System Refrigerant Control System Refrigerant Control Non TXV TXV Non TXV TXV ALL Chargemaster® or Charging Chart Sight Glass* Weight Method plus Chargemaster or Charging Chart W...

Page 8 - Table 7 — 38ED Chargemaster Charging Chart; thermal expansion; SERVICE; Fig. 8 — Component Locations

actual suction line temperature (step 6) is higher than table value, the system is undercharged. If suction line temperature is lower than table value, system is overcharged. EXAMPLE: At outdoor air temperature of 85 F and evaporator temperature of 44 F, the system will be correctly charged at 60 F ...

Page 9 - Table 8 — Compressor Data; MODEL; Filter Drier

Table 8 — Compressor Data MODEL 38ED PRODUCTION COMPRESSOR* OIL CHARGE (oz)t Initial Recharge 018 AB5515H 32 30 024 CRC-1 55 51 030 CRE-1 55 51 036 AV5532H 54 50 042 AV5538E 54 50 048 AV5546E 54 50 060 PC60 66 64 numbers fWhere piping exceeds 50 ft, contact your local Carrier distributor Follow safe...

Page 11 - vertically; Fig. 11 — Crevice Cleaning Tool

1. Shut off power to unit. 2. Remove louvered casing by taking out 16 screws securing it to the cabinet and sliding it away from the coil. 3. Clean coil using vacuum cleaner and its crevice tool (see Fig. 11). Work crevice tool vertically making sure tool only touches dirt on fins. To prevent fin re...

Page 12 - Tab

TROUBLESHOOTING GUIDE SYMPTOM AND PROBABLE CAUSE PROBABLE REMEDY COMPRESSOR SHUTS OFF, FAN OVERLOAD OR HIGH-PRESSURE SWITCH CUT OUT, OR INTERNAL PRESSURE RELIEF OPENS Condenser Fan On 1 Condenser air restricted or recirculating 2. Refrigerant overcharge; noncondensables system, system restricted n 3...