Carrier 48JZ (N) 024-060 Operations Instructions

48GP (N) 024-060, 48JZ (N) 024-06050GL 024-060, 50JZ 024-060ICM FIOP Installation InstructionsInstallation, Start-Up, and Operating InstructionsNOTE:

value. If circuit R to G is open (0–v.) for super dehumidifymode, the motor delivers reduced airflow to maximize thehumidity removal of the system whi

(2.) COOLING MODE—Press MODE button on the Thermidistat™ until COOLicon is displayed. Cooling begins within 10 sec. andremains on for 4 minutes. Obser

cooling cycle remains ‘‘on’’ until the room temperature drops topoint that is slightly below the cooling control setting of the roomthermostat. At thi

f. Loosen set-screw that secures wheel to motor shaft, removescrews that secure motor mount brackets to blower housing,and slide motor and motor mount

Fig. 14—ICM FIOP Electric Schematic—Unit 48GPC0103514

Table 4—ICM FIOP Physical Data—Unit 48JZTHIS DATA APPLIES TO 48JZ UNITS WITH THE ICM INDOOR MOTOR FIOPUNIT SIZE 48JZ 024040 030040 030060 036060 03609

Table 5—ICM FIOP Physical Data—Unit 48JZ (Continued)THIS DATA APPLIES TO 48JZ UNITS WITH THE ICM INDOOR MOTOR FIOPUNIT SIZE 48JZ 048090 048115 048130

Fig. 15—ICM FIOP Electric Schematic—Unit 48JZC0110117

Table 7—ICM FIOP Physical Data—Unit 50GLTHIS DATA APPLIES TO 50GL UNITS WITH THE ICM INDOOR MOTOR FIOPUNIT SIZE 024 030 036 042 048 060NOMINAL CAPACIT

Table 8—50GL with ICM FIOP Electrical DataUNITSIZE 50GLV-PH-HZVOLTAGERANGECOMPRESSOROUTDOORFANMOTORINDOORFANMOTORELECTRICHEATSINGLE POINTPOWER SUPPLYM

Approved for outdoor installation on wood flooring or on class A,B or C roof covering materials.Before performing service or maintenance operations on

Fig. 16—ICM FIOP Electrical Schematic—50GLC0103720

Table 9—ICM FIOP Physical Data—Unit 50JZTHIS DATA APPLIES TO 50JZ UNITS WITH THE ICM INDOOR MOTOR FIOPUNIT SIZE 50JZ024 50JZ030 50JZ036 50JZ042 50JZ04

Table 10—50JZ with ICM FIOP Electrical DataUNITSIZE 50JZV-PH-HZVOLTAGERANGECOMPRESSOROUTDOORFANMOTORINDOORFANMOTORELECTRICHEATSINGLE POINTPOWER SUPPLY

Fig. 17—ICM FIOP Electrical Schematic—50JZc0103623

Table 11–48GP & 48JZ Cooling (and Heat Pump Heating-48JZ only)Dry Coil ICM AirflowSmall CabinetUNITSIZECFM ADJUSTPIN SELECTLO PIN NOM PIN HI PINEX

Table 13—48GP & 48JZ Gas Heating ICM AirflowSmall CabinetEASY SELECT™BOARD SETTING (CFM)700 800 1100 1250UnitSizeExternalStaticPressure0.0–0.4 0.4

Table 16—50GL/50JZ Cooling & Heating Dry Coil ICM AirflowSmall CabinetUNITSIZECFM ADJUSTPIN SELECTLO PIN NOM PIN HI PINEXTERNAL STATICPRESSURE RAN

Table 19—ELECTRIC HEAT PRESSURE DROP TABLE (in. wg)Small CabinetSTATICCFM500 600 700 800 900 1000 1100 1200 1300 1400 1500 16005kW 0.00 0.00 0.00 0.00

ICM QUICK REFERENCE GUIDEc01034EASY SELECTHEATER/MOTORAUX HEAT KW/CFM0-301075SEC1 SEC2J1AC/HP SIZE036 030 024 018ACHP-COMFORTHP-EFFNOM HIENHLOSYSTEM T

c01999START-UP CHECKLIST(Remove and Store in Job File)I. Preliminary InformationMODEL NO.:_________________________________SERIAL NO.:________________

The ICM motor uses the selected taps to modify its operation to apre-programmed table of airflows.The unit must be configured to operate properly with

Copyright 2001 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 4821siManufacturer reserves the right to discontinue, or change at any time

(2.) AC/HP Size-Factory selected to match system size, pleaseverify.(3.) SYSTEM TYPE-Factory selected on 48GP system AC-AIR CONDITIONER.(4.) AC/HP CFM

b. COOLING MODE(1.) If indoor temperature is above temperature set point andhumidity is below humidity set point, thermostat closescircuits R to G, R

(4.) ENH (enhanced) selection provides a 30 sec. cooling &heat pump on delay with no airflow, plus 150 seconds at 70percent airflow and no off del

to a level which causes the Thermidistat™ to close its contacts.When the contacts close, the airflow will return to 100 percentof selected cooling air

and continuous operation. (See Tables 16, 17 & 18 for airflowdelivery and minimum CFM.) Note that airflow marked is theairflow which will be suppl

This configuration provides the following comfort enhance-ments:(a.) A 30 sec blower on delay with 150 sec at 70 percentairflow to allow the indoor co