Carrier 40RR024 - Manual

HEATING & COOLING
38QP024/40RR024
Heat Pump System
50/60 Hz
Installation, Start-Up and Service Instructions
Piping Package No. 40RR900271
NOTE: Read and become familiar with these instructions
before beginning installation.
SAFETY CONSIDERATIONS
Installing and servicing air-conditioning equipment can
be hazardous due to system pressures and electrical com­
ponents. Only trained and qualified service personnel should
install or service air-conditioning equipment. When work­
ing on air-conditioning equipment, observe the precautions
provided in literature, and on tags and labels attached to the
unit.
A WARNING
Electrical shock can cause personal injury or death.
Before beginning any modification or installation of this
package, be sure the main electrical disconnect is in
the off position. Ensure power is disconnected to the
fan coil unit. On some systems both the fan coil and
the outdoor unit may be on the same disconnect. Tag
the disconnect switch with a suitable warning label.
GENERAL
The accessory heat pump piping package is designed for
use with the Carrier 38QP024 heat pump (outdoor section)
in combination with the 40RR024 fan coil unit (indoor
section) (see Fig. 1).
Special accessories are available for electrical control of
this system. Electric heaters for the 40RR024 are a field-
installed accessory. Ensure that all material required for
installation is available at the jobsite, including the 38QP024
outdoor section, the 40RR024 indoor section, piping pack­
age, electrical control package, and 40RT electric heater
packages. The Sporlan part no. G8 nozzle is used for both
the upper (circuit no. 2) and lower (circuit no. 1) coil sec­
tions of the indoor unit. Nozzles are shipped as standard
parts of the factory-installed 40RR distributor. Distributor
sizes are as follows:
COIL SECTION
DISTRIBUTOR SIZE
(in. OD)
Upper (Ckt 2)
Lower (Ckt 1) 7/8
7/8
OUTDOOR SECTION
38QP024
INDOOR SECTION
40RR024
Fig. 1 — 38QP024/40RR024 Heat Pump System
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without Incurring obligations.
Book 11 PC 111 Catalog No 563-710 Printed in U.S. A Form 38QP-5SI Pg 1 11-92 Repiaces: New
Tab 5a