Carrier 38QH - Manual (Page 6)

HEATING A COOLING
38QH
Heat Pumps — Outdoor Section
Step 5 — Start-Up
1. Energize crankcase heater a minimum of 24 hours
before starting unit. To energize heater only, set
thermostat at OFF position and close electrical dis­
connect to outdoor unit.
2. Turn on main disconnect switch(es) to indoor and out­
door units.
3. Set fan switch as desired (ON or AUTO.).
4. Set thermostat dial at desired temperature.
5. Set selector switch at HEAT or COOL. Operate unit
for 15 minutes.
6. Check system refrigerant charge. Refer to Table 5.
Motors and controls are designed to operate satis­
factorily in the voltage range shown in Table 3. If neces­
sary to use manifold gages for servicing, refer to Carrier
Standard Service Techniques Manual, Chapter 1, Refrig­
erants, Page 1-5, Fig. 8 for bypass method of returning
charge to system. Removal of liquid line charging hose
without following these precautions could result in some
loss of charge.
Table 5 — Service Data
MODEL
38QH
COMPR*
OIL CHG (oz) R-22
Chg* (lb)
OUTDOOR
FAN RPM
Initial Recharge
015 REZ3-0125-PFV 24 20 5 3 815
018 H22B173ABCA 40 37 5 5 815
024 CRC2-0175-PFV 55 52 7 8 850
030 AV5532E 54 50 7 8 850
036 AV5535H 54 50 79 850
042 AV5542H 54 50 11 0 840
048 AV5546H 54 50 12 5 840
060 WD60000AA 76 74 14 1 840
060341 H23A563ABCA 55 50 140 840
030 AV5532E 54 50 7 8 850
036 AV5535E 54 50 7 9 850
042 AV5542E 54 50 11 0 840
048 AV5546E 54 50 125 840
060 WY6000AA 76 74 14.1 840
036 AV5535E 54 50 7 9 850
042 AV5542E 54 50 11 0 840
048 AV5546E 54 50 125 840
060 WH6000AA 76 74 14 1 840
‘Factory refrigerant charge is adequate when indoor unit and outdoor unit
are the same size and are connected with 25 ft or less of field-tubing of
recommended size or Carrier accessory tubing
Refrigerant Charging (See Fig. 6-21)
A CAUTION
To prevent personal injury, wear safety glasses and
gloves when handling refrigerant. Do not overcharge
system. This can cause compressor flooding.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Bookj 1 |4 PC101 Catalog No 533-808 Printed in U S A. Form38QH-2SI Pg 6 7-85 Replaces; 38QH-1 SI