CONTENTS
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
• UNCRATE UNIT
• INSPECT SHIPMENT
• CONSIDER SYSTEM REQUIREMENTS
• MOUNTING
• COMPRESSOR MOUNTING
Step 3 - Complete Refrigerant Piping
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• SIZE REFRIGERANT LINES
• LIQUID LINE SOLENOID VALVE
• ACCESSORY ELECTRIC HEAT
• FIELD CONTROL WIRING
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10,11
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SAFETY CONSIDERATIONS
Installing and servicing air-conditioning equipment can be
hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install or service air-conditioning equipment.
When working on air-conditioning equipment, observe pre-
cautions in literature and on tags and labels attached to unit.
Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloth for brazing operations. Have fire ex-
tinguisher available. Read these instructions thoroughly. Con-
sult local building codes and National Electrical Code U.S.A.
(NEC) for special installation requirements.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 111
Catalog No. 533-887
Tab
5a 5a
Installation, Start-Up and
Service Instructions
Page
Printed in U.S.A.
Air-Cooled Split System Heat Pump
Before installing or servicing system, always turn off
main power to system. There may be more than one dis-
connect switch. Electrical shock can cause personal
injury.
The 38AQS008 unit uses a semi-hermetic compressor. See
Tables 1A and 1B for physical data.
The 38AQS008 is approved by Carrier for use only with
40RMQ008 fan cooling units. Use only approved far coils.
The 38AQS008 (60 Hz) is Underwriters' Laboratories (UL)
and Canadian Underwriters' Laboratories (CUL) approved
for use with the 40RMQ008 fan coil only.
Step 1 - Complete Pre-Installation Checks
UNCRATE UNIT (See Fig. 1) - Remove unit packaging
except for the top skid assembly and wood bumpers, which
should be left in place until after unit is rigged into place.
INSPECT SHIPMENT - File claim with shipping com-
pany if shipment is damaged or incomplete.
Fig. 1 - 38AQS008 Unit
Form 38AQS-4SI
38AQS008
50/60 Hz
INSTALLATION
Pg 1
6-95
Replaces: 38AQS-3SI