Carrier 58SSB User Manual download pdf

58SSB

... ..„„0 .0 Accessory Variable Speed Blower Kit

Installation Instructions

GENERAL

These instructions cover installation of an ECM blower

accessory on 2- and 3-ton cooling 58SSB 060 and 080

furnaces. ECM blower accessory Part No. 58SSB900131

is used on 2-ton cooling 58SSB060 furnace and Part No.

58SSB900141 is used on3-toncooling58SSB080furnace.

Each ECM blower kit comes completely assembled

with an ECM blower motor and controller, and interface

circuit board. See Table 1 for a list of parts in assembly

shown in Fig. 1.

ECM blower kit is used in conjunction with following

variable speed outdoor units:

38EV024320

38EV036320

38QV024320

38QV036320

This ECM blower is controlled by outdoor unit and

provides variable airflow across furnace coil in response

to variable demand on heat pump or air conditioner. For

emergency heat, interface circuit board allows furnace

control board to operate ECM blower at a fixed rate of

speed. This speed is normally adjusted to midpoint of

rating plate temperature rise range. Interface circuit

board also powers a Parker indoor thermostat. Part No.

HH05ZA001.

Installation of indoor coil expansion valve, and start

up and adjustment instructions are covered in Installa

tion, Start-Up and Service Instructions for the 38EV,QV

outdoor units. See detailed system operation and control

in the 38EV,QV system operation and troubleshooting

guide.

A WARNING

Turn off power at main disconnect switch before

starting installation to avoid possibility of electrical

shock.

TABLE OF CONTENTS

Page

INSTALLATION ..................................................................1-4

SEQUENCE OF OPERATION

.........................................

TEMPERATURE RISE ADJUSTMENT

....................

CARE AND MAINTENANCE

..........................................

6,7

INSTALLATION

The following steps should be performed by a qualified

service person:

1. Turn off power at main disconnect.

2. Remove blower door.

3. Remove control box from bottom side of blower

shelf and position out of way.

4. Remove electrical leads from numbered side of

blower speed selector.

5. Remove screws securing blower assembly to blower

shelf and slide blower assembly out of furnace.

6. Unpackage ECM blower assembly and set the

minimum and maximum torque settings on ECM

blower control via access in lower mounting bracket

as shown in Fig. 2.

Table 1 — ECM Blower Kit Parts List

ITEM

DESCRIPTION

QUANTITY

58SSB900131

PART NO.

58SSB900141

PART NO.

Housing-Blower

58SSB309891-701

58SSB309891-702

Band-Motor Mount

HC98ZZ480

Arm-Motor Mount

HC98ZZ242

HC98ZZ248

Wheel-Blower

LA22RA101

LA22RA100

T ransformer

HT01AW232

Motor (ECM) 1

HC42SE113

ECM Motor Controller

HR46KH001

Top Blower Control Bracket

58SSB308056-201

Bottom Blower Control Bracket

58SSB308056-202

Grommet-Isolator

09-0135

Interface Board

HK42FA002

Interface Box

58SSB309863-401

Interface Box Cover

58SSB309864-301

14 Cutoff, Blower 1

79725-2

79725-3

Electrical Noise Suppressor 1

HK99FA001

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obiigations.

Book|1 14 PC101 Catalog No. 535-857 Printed in U.S.A. Form58SSB-5SI Pgl 4-87 Replaces:New

Tab |6a|8a

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Installation Instructions

58SSB... ..„„0 .0 Accessory Variable Speed Blower KitInstallation InstructionsGENERALThese instructions cover installation of an ECM blower accessory

Page 2 - Fig. 2 — Torque Setting

TORQUE SELECT[ 1MIN. LIMIT , (WHITE)pnnnnnnnr)pmnnnnf^|j^ MAX.LIMIT(BLACK)FURNACESIZEMINSETTINGMAXSETTING58SSB060 3 758SSB080310Fig. 2 — Torque Settin

Page 3

INTERFACE BOARDPARKERINDOOR THERMOSTAT INTERFACE BOARDPARKERINDOOR THERMOSTATBUSVZD/TSR4a — SINGLE ZONE4b — MULTI-ZONEFig. 4 — Thermostat Connections2

Page 4 - 310736-401 Rev. A

CONNECTION DIAGRAMMOTOR INTERFACECONTROLLER BOXPCBl PCB2, INTERNAL FUSE ши (WHEN USED)lA-TRANSFORHER, 120VAC/24VAC 2D-RELAY, INDUCER MOTOR DPST-N.O.2E

Page 5 - SEQUENCE OF FURNACE OPERATION

GND,rhWHT cnsv)YEL C208.230)WHT Cl 15V) BLUC208V) RED C230V) ,PR1-2 L2PIN 6 FOR 115 VAC PIN 9 FOR 208,230 VACBCRDl-4GNDILKMTRlONRPCBlPCB2PLlPL2PL3PL

Page 6 - A CAUTION

HEATING SPEED TRIM POTTO BLOWER'A WARNINGTo avoid possibility of electrical shock, be sure to disconnect electrical power before rem

Page 7

17. Reassemble motor and blower by reversing steps 9 through 12. If motor has ground wire, be sure it is reconnected. Be sure whe

Page 8 - Tab

Manufacturer reserves the right to discontinue, or change at any lime, specifications or designs without notice and without incurring obiigations.Book

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