Carrier WEATHERMASTER Z6 User Manual

Download Operation & user’s manual of Carrier 48ZG Computer Accessories, Heating System for Free or View it Online on All-Guides.com. This version of Carrier 48ZG Manual compatible with such list of devices, as: 48ZG, 48ZT, WEATHERMASTER ZW, Z6, Z8075-105

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480060-01 Printed in U.S.A. Form 48Z-8SI Pg 1 4-09 Replaces: 48Z-7SI
Installation Instructions
CONTENTS
Page
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . .1,2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-59
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Unit Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Roof Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Slab Mount. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Curb Gasketing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Field-Fabricated Ductwork . . . . . . . . . . . . . . . . . . . . . . . 2
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Condensate Drain Connections . . . . . . . . . . . . . . . . . 23
Install Outdoor Hoods
(48ZG,ZN,Z6,Z8 Units). . . . . . . . . . . . . . . . . . . . . . . . . 33
UNIT SIZES 030-050
UNIT SIZES 055-105
Install Economizer Hoods (48ZT,ZW Units) . . . . . . 35
INSTALL SMALL HOODS
INSTALL LARGE HOODS
Field Wire Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
UNIT SIZES 030-050
UNIT SIZES 055-105
Field Electrical Connections . . . . . . . . . . . . . . . . . . . . 36
•POWER WIRING
Air Pressure Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
INLET GUIDE VANES
VARIABLE FRQUENCY DRIVE
MODULATING POWER EXHAUST
RETURN/EXHAUST POWER EXHAUST
Supply-Fan Shipping Brackets . . . . . . . . . . . . . . . . . . 53
UNIT SIZES 030-050
UNIT SIZES 055-070
UNIT SIZES 075-105
Return/Exhaust Fan Shipping Brackets
(48Z6,Z8 Units). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Remove TXV Shipping Blocks. . . . . . . . . . . . . . . . . . . 54
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Optional Staged Gas Control . . . . . . . . . . . . . . . . . . . . 55
Installing Flue/Inlet Hoods . . . . . . . . . . . . . . . . . . . . . . 56
Supply Air Thermistors
(Staged Gas Units Only) . . . . . . . . . . . . . . . . . . . . . . 56
Install Unit Accessories . . . . . . . . . . . . . . . . . . . . . . . . . 59
CONTROLS INSTALLATION . . . . . . . . . . . . . . . . . . 59-66
Constant Volume Units. . . . . . . . . . . . . . . . . . . . . . . . . . 59
CONTROL WIRING
Variable Air Volume Units . . . . . . . . . . . . . . . . . . . . . . . 59
Optional and Accessory Control Wiring . . . . . . . . . 60
Carrier Comfort Network
®
(CCN) Interface. . . . . . . 60
Smoke Control Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . 61
GENERAL
This installation instruction contains basic unit installation
information, including installation of thermostats and remote
temperature sensors.
For additional information and service instructions, refer to
the Controls and Troubleshooting literature also enclosed in
this literature packet.
The 48ZT,ZW units are equipped with standard integral
economizer and high-capacity power exhaust.
The 48Z6,Z8 units are equipped with factory-installed
return/exhaust fans.
The staged gas control (SGC) option adds the capability to
control the rooftop unit’s gas heating system to a specified sup-
ply air temperature set point for purposes of tempering a cool
mixed-air condition.
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance func-
tions of cleaning coils and filters and replacing filters. All
other operations should be performed by trained service per-
sonnel. When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to the unit,
and other safety precautions that may apply.
Follow all safety codes, including ANSI (American Nation-
al Standards Institute) Z223.1. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations. Have
fire extinguisher available for all brazing operations.
WARNING
Before performing service or maintenance operations on
unit, turn off main power switch to unit. Electrical shock
could cause personal injury.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance. Do not touch any electri-
cal switch; do not use any phone in your building. Immedi-
ately call your gas supplier from a neighbor’s phone.
Follow the gas suppliers instructions. If you cannot reach
your gas supplier, call the fire department.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
WARNING
Improper installation, adjustment, alteration, service, or
maintenance can cause injury or property damage. Refer to
this manual. For assistance or additional information, con-
sult a qualified installer, service agency, or the gas supplier.
WEATHERMASTER
®
48ZG,ZN030-105
48ZT,ZW,Z6,Z8075-105
Single Package Gas Heating and Electric Cooling Units
with Direct Spark Ignition and COMFORTLINK™ Controls