Carrier WeatherMaker 8000 Installation, Start-Up, And Operating Instructions Manual
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Carrier WeatherMaker 8000 Installation, Start-Up, And Operating Instructions Manual

Carrier WeatherMaker 8000 Installation, Start-Up, And Operating Instructions Manual

141 series sizes 050—135 downflow/horizontal induced-combustion
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Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
Index
SAFETY CONSIDERATIONS ................................................1-2
Clearances From Combustible Materials .................................1
Dimensional Drawing ...............................................................2
PROCEDURE........................................................................2-3
INTRODUCTION ..........................................................................3
LOCATION ................................................................................3-4
General ......................................................................................3
Location Relative to Cooling Equipment ................................3
Hazardous Locations.................................................................4
Unconfined Space .....................................................................4
Confined Space......................................................................4-5
Downflow Installation .............................................................5
Installation On a Combustible Floor ....................................5-6
HORIZONTAL ATTIC INSTALLATION...................................6
Construct a Working Platform .................................................6
Install Furnace...........................................................................6
FILTER ARRANGEMENT...........................................................7
GAS PIPING...............................................................................7-9
ELECTRICAL CONNECTIONS.............................................9-10
115-v Wiring........................................................................9-10
24-v Wiring.............................................................................10
Accessories..............................................................................10
VENTING ....................................................................................10
General ....................................................................................10
Sequence Of Operation .....................................................10-12
Heating Mode..........................................................................12
Cooling Mode .........................................................................12
Continuous Blower Mode.......................................................12
Heat Pump Mode ....................................................................12
Start-up Procedures............................................................12-14
Adjustments .......................................................................14-18
Set Gas Input Rate ............................................................14-17
Set Temperature Rise ........................................................17-18
Set Thermostat Heat Anticipator............................................18
Check Safety Controls.......................................................18-19
Checklist..................................................................................19

SAFETY CONSIDERATIONS

Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning and replacing air filters. All other operations must
be performed by trained service personnel. When working on
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Catalog No. 535-860
Tab 6a 8a
Downflow/Horizontal Induced-Combustion Furnaces
Sizes 050-135, Series 141
Page
Printed in U.S.A.
WeatherMaker 8000™
®
Table 1-Clearances From Combustible
Materials (In.)
UNIT SIZE
DOWNFLOW (In Alcove or Closet)
Sides
Single-Wall Vent
Type B-1 Double-Wall Vent
Back
Top
Front
Single-Wall Vent
Type B-1 Double-Wall Vent
Vent
Single-Wall Vent
Type B-1 Double-Wall Vent
HORIZONTAL (Attic, Alcove, or Crawlspace)
Sides *
Back
Top
Single-Wall Vent
Type B-1 Double-Wall Vent
Front‡
Single-Wall Vent
Type B-1 Double-Wall Vent
Vent
Single-Wall Vent
Type B-1 Double-Wall Vent
HORIZONTAL (In Closet)
Sides *
Back
Top
Single-Wall Vent
Type B-1 Double-Wall Vent
Front
Single-Wall Vent
Type B-1 Double-Wall Vent
Vent
Single-Wall Vent
Type B-1 Double-Wall Vent
* Indicates supply or return sides when furnace is in the horizontal position.
† Clearance shown is for outlet end. The inlet end must maintain 6-in.
minimum clearance from the vent to combustible materials when using
single-wall vent.
‡ Minimum 18-in. front clearance required for alcove.
NOTES:
1. Provide 30-in. front clearance for servicing. An open door in front of the
furnace can meet this requirement.
2. A minimum clearance of 3 in. must be provided in front of the furnace for
combustion air and proper operation.
3. Line contact is permitted as shown in Fig. 7.
Form 58ZAV-9SI
Pg 1
58ZAV
ama
A PP R O VED
R
050 AND 070
096-135
1
0
0
0
0
0
1
1
6†
6†
3†
3†
6
6
1
1
1
0
0
0
1
1
1
1
6†
6†
3†
3†
6
6
1
1
1
1
3
3
2
2
2
2
6
6
3
3
6
6
1
1
1-97
Replaces: 58ZAV-8SI

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  • Page 1: Table Of Contents

    WeatherMaker 8000™ 58ZAV Downflow/Horizontal Induced-Combustion Furnaces Visit www.carrier.com Installation, Start-Up, and Operating Instructions Sizes 050—135, Series 141 NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue. Index Page SAFETY CONSIDERATIONS ..........1-2 Clearances From Combustible Materials .........1...

  • Page 2: Dimensional Drawing

    ″ ⁄ VENT CONNECTION ″ DIA ⁄ 20″ 2″ THERMOSTAT ″ ⁄ ″ ″ ⁄ WIRE ENTRY ⁄ INLET ″ DIA ⁄ ACCESSORY ″ ⁄ ″ DIA HOLE ⁄ POWER ENTRY ″ ⁄ ″ DIA ⁄ R.H. GAS ENTRY ″ DIA ⁄...

  • Page 3: Introduction

    NOT move or shuffle your feet, DO NOT touch ungrounded such as when used with a night setback thermostat. Return-air objects, etc.). temperature must not exceed a maximum of 85°F db. 4. If you touch ungrounded objects (recharge your body with static electricity), firmly touch furnace again before touching control or wires.

  • Page 4: Hazardous Locations

    HAZARDOUS LOCATIONS — When the furnace is installed in VENT THROUGH ROOF a residential garage, it must be installed so that the burners and (CATEGORY I) ignition source are located at least 18 in. above the floor. The furnace should be protected from physical damage by vehicles. When a furnace is installed in public garages, airplane hangars, or other buildings having hazardous atmospheres, the unit must be RETURN...

  • Page 5: Air For Combustion And Ventilation

    c. If the furnace is installed on a raised platform to provide a For Example: return-air plenum, and return air is taken directly from the 58ZAV FURNACE IN- FREE AREA PER ROUND PIPE hallway or space adjacent to the furnace, all air for PUT BTUH OPENING (SQ IN.) (IN.

  • Page 6: Horizontal Attic Installation

    PLENUM OPENING FLOOR OPENING A96283 Fig. 4—Floor and Plenum Opening Dimensions Table 3—Opening Dimensions (In.) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH Non-Combustible Flooring 12-11/16 13-3/8 19-5/8 Combustible Flooring Using KGASB Subbase 11-13/16 13-7/16 20-3/8 14-3/16 Combustible Flooring with CD5 or CK5 Coil Assembly or 12-5/16 13-5/16 KCAKC Coil Box...

  • Page 7: Filter Arrangement

    FURNACE (OR COIL CASING FURNACE WHEN USED) CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE COMBUSTIBLE FLOORING FLOORING DOWNFLOW SUBBASE SHEET METAL SHEET METAL PLENUM PLENUM FLOOR FLOOR OPENING OPENING A96285 A96284 Fig. 5—Furnace, Plenum, and Subbase Installed on a Fig.
  • Page 8 Connect the gas pipe to the furnace using a backup wrench to avoid damaging gas controls. Never purge a line into a combustion chamber. Never use matches, candles, flame, or other sources of ignition to check for gas leakage. Use a soap-and-water solution to check for gas leaks.

  • Page 9: Electrical Connections

    Table 5—Maximum Capacity of Pipe * NOMINAL IRON INTERNAL LENGTH OF PIPE (FT) PIPE SIZE DIAMETER (IN.) (IN.) 0.622 0.824 170 151 1.049 320 285 1-1/4 1.380 1400 660 580 AIRFLOW 1-1/2 1.610 2100 1460 1180 990 900 * Cubic ft of gas per hr for gas pressures of 0.5 psig (14-in. wc) or less, and a 12″...

  • Page 10: 24-V Wiring

    → Table 6—Electrical Data MAXIMUM VOLTS— OPERATING VOLTAGE RANGE MAXIMUM MINIMUM MAXIMUM WIRE FUSE OR HACR- UNIT SIZE HERTZ— UNIT AMPS WIRE GAGE LENGTH FT‡ TYPE CKT BKR PHASE Maximum* Minimum* AMPS† 050-08 115—60—1 050-12 115—60—1 070-08 115—60—1 070-12 115—60—1 096-12 115—60—1 096-16...
  • Page 11 BLOWER OFF DELAY ADJUSTMENT SWITCH 24V THERMOSTAT TERMINALS TEST/TWIN HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX) LED OPERATION & STATUS LIGHT HARNESS CONNECTOR SEC-1 24V TRANSFORMER SEC-2 3-AMP FUSE SPARE 1 COOL BLOWER SPEED HEAT SELECTION TERMINALS SPARE 2 EAC 1 (BLACK) EAC-ELECTRONIC AIR CLEANER TERMINALS (115-VAC 1.5 AMP MAX) 115-VAC (L1)

  • Page 12: Heating Mode

    When the thermostat "calls for cooling," the blower operates on cooling speed. When the thermostat is satisfied, the blower operates an additional 90 sec before reverting back to con- tinuous operation on heating speed. 4. Heat pump mode When installed with a heat pump, the furnace control auto- matically changes the timing sequence to avoid long blower EAC1 off time during demand defrost cycles.

  • Page 14: Adjustments

    f. Blower motor operates on heating speed for 10 sec, then (3.) After correct manifold pressure is obtained, replace stops. gas valve regulator adjustment screw cap and verify adjusted gas input rate using method outlined in item g. Inducer motor stops. 3.
  • Page 15 Table 7—Model 58ZAV Orifice Size and Manifold Pressure for Correct Input (Tabulated Data Based on 23,000 BTUH Per Burner, Derated 4% per 1000 Ft Above Sea Level)* SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE 0.58 0.60 0.62 0.64 0.66 RANGE...
  • Page 16 Table 7—Model 58ZAV Orifice Size and Manifold Pressure for Correct Input Continued (Tabulated Data Based on 23,000 BTUH Per Burner, Derated 4% per 1000 Ft Above Sea Level)* SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE 0.58 0.60 0.62 0.64 0.66...

  • Page 17: Set Temperature Rise

    Table 7—Model 58ZAV Orifice Size and Manifold Pressure for Correct Input Continued (Tabulated Data Based on 23,000 BTUH Per Burner, Derated 4% per 1000 Ft Above Sea Level)* SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE 0.58 0.60 0.62 0.64 0.66...

  • Page 18: Set Thermostat Heat Anticipator

    THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED Disconnect the electrical power before changing the speed tap. Failure to follow this warning could result in personal HOOK-AROUND injury. VOLT/AMMETER d. To change blower motor speed selections for heating mode remove blower motor lead from control board HEAT R Y W G terminal.

  • Page 19: Checklist

    flashes a 31 fault. If hot surface ignitor glows when inducer g. If furnace operates for 4 minutes, check/replace limit motor is disconnected, shut down furnace immediately. switch(es). Determine reason pressure switch did not function properly h. Turn off 115-v power to furnace. and correct condition.
  • Page 20 Copyright 1997 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58zav9si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 535-860 Printed in U.S.A.

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