Instrukcja obsługi Carrier 48NT

Carrier Nie skategoryzowane 48NT

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48NT-B: Owner’s Information Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
1
Owner’s Information Manual
c
A09033
Fig. 1 – Unit 48NT
Our products are designed, tested and built in accordance with DOE standardized procedures; however, actual operating results and efficiencies may
vary based on manufacturing and supplier tolerances, equipment configuration, operating conditions and installation practices.
48NT-B
Comfort™ 13.4 SEER2 Single Phase
2-5 Nominal Tons (Sizes 24-60)
Single Packaged HYBRID HEAT® Dual Fuel System
With Puron Advance™ (R-454B) Refrigerant
48NT-B: Owner’s Information Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
Safety Considerations
This unit is equipped with electrically powered safety measures. For the
safety measures to be effective, the unit must be electrically powered at
all times after installation, other than when servicing.
Installation and servicing of this equipment can be hazardous due to
mechanical and electrical components. Only trained and qualified
personnel should install, repair, or service this 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 this equipment, observe
precautions in the literature, on tags, and on labels attached to or shipped
with the unit and other safety precautions that may apply.
Auxiliary devices which may be a POTENTIAL IGNITION SOURCE
shall not be installed in the duct work. Examples of such POTENTIAL
IGNITION SOURCES are hot surfaces with a temperature exceeding
1292°F (700°C) and electric switching devices.
Electrostatic air purifiers installed in the ductwork are permitted, if the
purifier has an airflow sensor.
False ceilings or drop ceilings must not be used as a return air
duct/plenum.
Follow all safety codes. Wear safety glasses, protective clothing, and
work gloves. Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in literature and
attached to the unit. Consult local building codes, the current editions of
the National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1, and the
National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the National Standards of
Canada CAN/CSA-B149.1 and .2 Natural Gas and Propane Installation
codes, and Canadian Electrical Code CSA C22.1.
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 these signal words:
DANGER, WARNING, and CAUTION. 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.
NOTE: Installer: This manual should be left with the equipment user.
Most states is the USA and jurisdictions in Canada have laws that
require the use of Carbon Monoxide (CO) alarms with fuel burning
products. Examples of fuel burning products are furnaces, boilers, space
heaters, generators, water heaters, stoves/ranges, clothes dryers,
fireplaces, incinerators, automobiles, and other internal combustion
engines. Even if there are no laws in your jurisdiction requiring a CO
Alarm, it’s highly recommended that whenever any fuel burning product
is used in or around the home or business that the dwelling be equipped
with a CO Alarm(s). The Consumer Product Safety Commission
recommends the use of CO Alarm(s). The CO Alarm(s) must be
installed, operated, and maintained according to the CO Alarm
manufacturer’s instructions. For more information about Carbon
Monoxide, local laws, or to purchase a CO Alarm, please visit the
following website https://www.kidde.com
WARNING
!
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury and/or
death.
Carbon Monoxide (CO) is a colorless, odorless, and tasteless poisonous
gas that can be fatal when inhaled. Follow all installation, maintenance,
and service instructions. See additional information below regarding
the installation of a CO Alarm.
WARNING
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury, death or
property damage.
Installation and servicing of this equipment can be hazardous due to
mechanical and electrical components. Only trained and qualified
personnel should install repair or service this equipment.
WARNING
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury, death or
property damage.
Do not use this unit if any part has been under water. Immediately call a
qualified service technician to inspect the unit and to replace any part of
the control system which has been under water.
WARNING
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
When removing access panels or performing maintenance functions
inside your unit, be aware of sharp sheet metal parts and screws.
Although special care is taken to reduce sharp edges to a minimum, be
extremely careful and wear appropriate clothing, safety glasses and
gloves when handling parts or reaching into the unit.
WARNING
!
FIRE AND EXPLOSION HAZARD
Failure to follow safety warning exactly could result in serious injury,
death or property damage.
Do not store or use gasoline or other flammable vapors and liquids in
the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
- Do not try to light any appliance.
- Do not touch any electrical switch; do not use any phone in your
building.
- Leave the building immediately.
- Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
- If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury and/or
death.
Before performing recommended maintenance, be sure the main power
switch to unit is turned off and lock-out tag is installed.
48NT-B: Owner’s Information Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
3
Unit Introduction
This unit is a small packaged gas heat/electric heat pump system that can
utilize both the efficiency of heat pump heating and the comfort of gas
heating. The system will optimize for ideal heating, depending on
several factors. This unit uses Puron Advance™, the environmentally
balanced refrigerant, for cooling and heat pump heating.
Starting or Shutting Off Unit
NOTE: Your combination heating/cooling unit is equipped with an
automatic direct spark ignition and power combustion blower.
To start unit gas heat:
Refer to for location of unit front access panel. Refer to for
Fig. 2 Fig. 4
location of gas valve. Refer to Fig. 4 while proceeding with the
following steps.
1. Set the temperature selector on room thermostat to the lowest
temperature setting and set system switch to Emergency Heat.
2. Close the external manual gas shutoff valve.
3. Turn off the electrical supply to the unit.
4. Remove the control access panel with a 5/16-in. nut driver. (See
Fig. 2.)
A14456
Fig. 2 – Unit Access Panels
5. Move the selector switch on the internal gas valve to the OFF
position and wait 5 minutes.
6. Move the selector switch on the internal gas valve to the ON
position.
7. Replace the control access panel.
8. Turn on the electrical supply to unit.
9. Open the external manual gas shutoff valve.
10. Set the temperature selector on room thermostat slightly above
room temperature to start unit. The induced-draft combustion air
fan will start. Main gas valve will open and main burners should
ignite within 5 seconds. If the burner does not light within 5
seconds, the ignition module will go into a Retry Mode after a
period of approximately 22 seconds (following the 5-second
ignition period). If the burners do not light within 15 minutes of the
initial call for heat, there is a lockout.
11. Set the temperature selector on room thermostat to desired setting.
WARNING
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this hazard warning could result in personal injury,
death and/or property damage.
1. Do not turn off the electrical power to unit without first turning
off the gas supply.
2. Before attempting to start the gas heating section, familiarize
yourself with all the procedures that must be followed.
WARNING
!
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death,
and/or property damage.
Do not attempt to light by hand.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
When removing access panels or performing maintenance functions
inside your unit, be aware of sharp sheet metal parts and screws.
Although special care is taken to reduce sharp edges to a minimum, be
extremely careful when handling parts or reaching into the unit.
WARNING
!
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death,
and/or property damage.
1. If the main burners fail to light, or the blower fails to start, shut
down gas heating section and call your dealer for service.
2. Never attempt to manually light the main burners on unit with a
match, lighter, or any other flame. If the electric sparking device
fails to light the main burners, refer to the following shutdown
procedures, then call your dealer as soon as possible.

Specyfikacje produktu

Marka: Carrier
Kategoria: Nie skategoryzowane
Model: 48NT

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