Carrier 40RR024 User Manual download pdf

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

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

1 2 3 4 5 6

Summary of Contents

Page 1 - 50/60 Hz

HEATING & COOLING38QP024/40RR024 Heat Pump System 50/60 HzInstallation, Start-Up and Service InstructionsPiping Package No. 40RR900271NOTE: Read

Page 2 - Accessories

AccessoriesPIPING PACKAGE — Contains check valves, thermostatic expansion valves (TXV’s), receiver, filter driers, and tubing to connect

Page 3 - ASSY (CKT 1)

PIPING ASSY (CKT 2)(CKT 2)RECEIVER, PIPING ASSY (CKT 1)TXV — Thermostatic Expansion ValveNOTE: Items listed in Tabie 1 and not shown on Fig 2 are inc

Page 4 - ‘40RR024 Only

Step 4 — Install Piping Package — install parts of piping package as shown in Fig. 3.CONNECT LIQUID AND VAPOR LINES - Run liquid and v

Page 5 - A CAUTION

VAPOR LINETXV — Thermostatic Expansion Valve NOTE: The 8 o’clock position is shown aboveFig. 5 — TXV Feeler Bulb LocationsStep 6 — Make TXV Adjustment

Page 6

When the thermostat calls for first-stage cooling (TCI closed), the indoor-fan motor starts immediately. Compressor no. 1 and outdoo

Related models: 38QP024

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Carrier 40RR024 User Manual

Browse online or download User Manual for Pumps Carrier 40RR024. Carrier 40RR024 User Manual

Summary of Contents

Related models: 38QP024

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