Carrier WeatherMaster 50P Bedienungsanleitung
Carrier
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WeatherMaster 50P
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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. 04-53500474-01 Printed in U.S.A. Form No. 50P-12SI Pg 1 7-24 Replaces: 50P-11SI
Installation Instructions
CONTENTS
Page
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
UNIT CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
Unit Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Temporary Operation for a Completed Building . . . 3
Temporary Operation for an Under-Construction
Building . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 1 — Perform Jobsite Survey 4
Step 1 — Place Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 2 — Roof Mount Unit . . . . . . . . . . . . . . . . . . . . . 4
Step 3 — Slab Mount Unit . . . . . . . . . . . . . . . . . . . . . 4
Step 4 — Install Curb Gasketing . . . . . . . . . . . . . . . . 4
Step 5 — Field-Fabricate Ductwork . . . . . . . . . . . . . 18
Step 6 — Rig Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Step 7 — Connect Condensate Drain . . . . . . . . . . . 23
Step 8 — Install Outdoor Hoods . . . . . . . . . . . . . . . 35
Step 9 — Install Economizer Hoods . . . . . . . . . . . . 36
Step 10 — Route Field Wiring . . . . . . . . . . . . . . . . . 38
Step 11 — Make Field Electrical Connections . . . . 38
Step 12 — Connect Air Pressure Tubing . . . . . . . 170
Step 13 — Supply-Fan Shipping Brackets and Spring
Compression Bolts . . . . . . . . . . . . . . . . . . . . . . . . . 173
Step 14 — Remove Optional Return/Exhaust-Fan
Shipping Brackets . . . . . . . . . . . . . . . . . . . . . . . 174
Step 15 — Install Supply-Air Thermistors
(Optional SCR Electric Heat Units Only) . . . . . . . . 174
Step 16 — Greenspeed/Low Ambient Control
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Step 17 — Install Unit Accessories . . . . . . . . . . . . 175
CONTROLS INSTALLATION . . . . . . . . . . . . . . . . . . 175
Constant Volume (CV) Units . . . . . . . . . . . . . . . . . 175
Variable Air Volume (VAV) Units . . . . . . . . . . . . . . 175
Option and Accessory Control Wiring . . . . . . . . . 177
Carrier Comfort Network® Interface . . . . . . . . . . . 181
Optional UPC Open Installation . . . . . . . . . . . . . . . 182
Smoke Control Modes . . . . . . . . . . . . . . . . . . . . . . 185
GENERAL
This installation instruction contains basic unit installation infor-
mation, including installation of thermostats and remote tempera-
ture sensors which are required on all units.
For additional information, refer to the separate Controls and
Troubleshooting literature.
Size 075-100 units are available with optional factory-installed
integral economizer and high-capacity power exhaust.
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified service personnel should install, repair, or
service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions of
cleaning coils and filters and replacing filters. All other operations
should be performed by trained service personnel. 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 National
Standards Institute) Z223.1. Wear safety glasses and work gloves.
Use quenching cloth for unbrazing operations. Have fire
extinguisher available for all brazing operations.
It is important to recognize safety information. This is the safety-
alert symbol . When you see this symbol on the unit and in
instructions or manuals, be alert to the potential for personal
injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices, which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
WARNING
Electrical shock can cause personal injury and death. Shut off
all power to this equipment during installation and service.
There may be more than one disconnect switch. Tag all
disconnect locations to alert others not to restore power until
work is completed.
WARNING
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, consult a
qualified installer, service agency, or the gas supplier.
WeatherMaster
®
50P030-100
Single-Package Electric Heating and
Electric Cooling Units
with ComfortLink Controls
2
UNIT CONSIDERATIONS
Unit Storage
Carrier applied rooftop equipment is designed for outdoor installa-
tion. However, due to scheduling or building closures, it may need
to be stored either on the ground or in its final position. During
storage, internal components, whether powered in standby mode
or unpowered, may be exposed to conditions unsuitable for subse-
quent operation. Proper steps must be taken to ensure they remain
operational without damage.
STORAGE GUIDELINES
Dry Location
Store the equipment in a dry location. Ensure adequate blocking
under the base rail to provide proper support. Inadequate support
may result in damage when removing screws and opening doors.
Ensure the unit is well supported along the entire length of the
base rail.
Drainage
Provide proper drainage around the equipment to prevent
flooding.
Condensation Prevention
Remove the shipping plastic and take steps to prevent condensa-
tion inside the unit’s electrical components and motors. Isolate all
side panel service openings, such as conduits, flue, supply air, and
return air holes, to minimize the introduction of ambient air until
the unit is installed on the curb and prepared for start-up.
Protection
Provide adequate protection from vandalism, mechanical contact,
and other potential damages. Condenser fins are particularly vul-
nerable and can be damaged even by light contact.
WARNING
DO NOT USE TORCH to remove any component. System
contains oil and refrigerant under pressure.
To remove a component, wear protective gloves and goggles
and proceed as follows:
a. Shut off electrical power to unit.
b. Recover refrigerant to relieve all pressure from system
using both high-pressure and low pressure ports.
c. Traces of vapor should be displaced with nitrogen and
the work area should be well ventilated. Refrigerant in
contact with an open flame produces toxic gases.
d. Cut component connection tubing with tubing cutter and
remove component from unit. Use a pan to catch any oil
that may come out of the lines and as a gauge for how
much oil to add to the system.
e. Carefully un-sweat remaining tubing stubs when
necessary. Oil can ignite when exposed to torch flame.
Failure to follow these procedures may result in personal inju-
ry or death.
CAUTION
DO NOT re-use compressor oil or any oil that has been ex-
posed to the atmosphere. Dispose of oil per local codes and
regulations. DO NOT leave refrigerant system open to air any
longer than the actual time required to service the equipment.
Seal circuits being serviced and charge with dry nitrogen to
prevent oil contamination when timely repairs cannot be com-
pleted. Failure to follow these procedures may result in dam-
age to equipment.
WARNING
CARBON-MONOXIDE POISONING HAZARD
Failure to follow instructions could result in severe personal
injury or death due to carbon-monoxide poisoning, if
combustion products infiltrate into the building.
Check that all openings in the outside wall around the vent
(and air intake) pipe(s) are sealed to prevent infiltration of
combustion products into the building.
Check that furnace vent (and air intake) terminal(s) are not
obstructed in any way during all seasons.
AVERTISSEMENT
RISQUE D’INTOXICATION AU MONOXYDE DE
CARBONE
Si ces directives ne sont pas suivies, cela peut entraîner des
blessures graves ou une intoxication au monoxyde de carbone
pouvant causer la mort, si des produits de combustion
s’infiltrent dans le bâtiment.
Vérifier que toutes les ouvertures pratiquées dans le mur
extérieur autour du ou des tuyaux d’évent (et de la prise d’air)
sont scellées de manière à empêcher l’infiltration de produits
de combustion dans le bâtiment.
Veiller à ce que la ou les sorties de l’évent de l’appareil de
chauffage (et la prise d’air) ne soient, en aucune façon,
obstruées, quelle que soit la saison.
IMPORTANT: This equipment has been tested and found to
comply with the limits for a Class A digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equip-
ment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communica-
tions. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be re-
quired to correct the interference at his own expense.
IMPORTANT: Do not use the equipment’s heater, compressor
cooling, or dehumidification features as a temporary means to
dry out the unit. These features should only be used after proper
preparation (pre-start-up) and start-up procedures have been
completed.
Produktspezifikationen
| Marke: | Carrier |
| Kategorie: | Nicht kategorisiert |
| Modell: | WeatherMaster 50P |
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