ICP NAC248AKA1 Installation Instructions Manual
ICP NAC248AKA1 Installation Instructions Manual

ICP NAC248AKA1 Installation Instructions Manual

Split system performance line ac & hp condensers
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INSTALLATION
INSTRUCTIONS
Split System
Performance Line
AC & HP Condensers
These instructions must be read and understood completely before attempting installation.
Installation / Startup Information & Warranty
Installation
or
repairs
made
by unqualified
persons can result in hazards to you and others.
Installation
MUST conform with local building
codes or, in the absence of local codes, with the
the
National
Electrical
Code
NFPA
70/ANSI
C1-1999
or
current
edition
and
Canadian
Electrical Code Part 1 CSA C.22.1.
The information
contained
in this manual
is
intended for use by a qualified service technician
familiar
with safety procedures
and equipped
with the proper tools and test instruments.
Failure to carefully read and follow all instruc-
tions in this manual
can result in equipment
malfunction,
property
damage, personal
injury
and/or death.
After uncrating unit, inspect thoroughly for hidden damage.
If damage is found, notify the transportation company im-
mediately and file a concealed damage claim.
Locating The Outdoor Unit:
CAUTION
Improper installation, adjustment,
alteration, service or
maintenance can void the warranty.
The weight of the condensing
unit requires caution and
proper handling procedures when lifting or moving to avoid
personal injury. Use care to avoid contact with sharp or
pointed edges.
Safety Precautions
1. Always wear safety eye wear and work gloves when
installing equipment.
2. Never assume electrical power is disconnected. Check
with meter and disconnect.
3. Keep hands out of fan areas when power is connected
to equipment.
4. R-22 causes frost-bite burns.
5. R-22 is toxic when burned.
NOTE TO INSTALLING DEALER: The Owners Instruc-
tions and Warranty are to be given to the owner or promi-
nently displayed near the indoor Furnace/Air Handler Unit.
Check local codes covering zoning, noise, platforms.
If practical, avoid locating next to fresh air intakes, vent or
bedroom windows. Noise may carry into the openings and
disturb people inside.
Placement of the unit should be in a well drained area or
unit must be supported high enough so runoff will not enter
the unit.
Do not locate where heat, lint or exhaust fumes will be dis-
charged on unit (as from dryer vents).
Roof top installations are acceptable providing the roof will
support the unit and provisions are made for water drain-
age and the noise or vibration through the structure.
Do not install the unit in a recessed or confined area where
recirculation of discharge air may occur.
Heat Pumps Only: The top surface of platform must be
above average winter snow levels to prevent coil blockage.
421 01 3002 01
Nov., 2003

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Summary of Contents for ICP NAC248AKA1

  • Page 1 INSTALLATION INSTRUCTIONS Split System Performance Line AC & HP Condensers These instructions must be read and understood completely before attempting installation. Installation / Startup Information & Warranty CAUTION Installation repairs made by unqualified Improper installation, adjustment, alteration, service or persons can result in hazards to you and others. maintenance can void the warranty.
  • Page 2 _ Installation Instructions Split System Condensers Clearances: Nominal operating clearances, where practical, are 60 Inside corner locations on single story structures require inches (150 cm) above unit for discharge air and 24 inches evaluation. Large overhanging soffits may cause air recir- (40cm) around coil for intake air on three sides.
  • Page 3 I Split System Condensers Installation Instructions Figure 1 Dimensions Minimum Mounting Pad Sizes with pad starting at "H" = Ranges from 24" to 34" 15" from structure for minimum clearances Refer to Specification Sheet FRONT Chassis #1 20" W X 20" D Chassis #2 24"...
  • Page 4 j Installation Instructions Split System Condensers Installing Refrigerant Lines PLEASE! UNDER NO CIRCUMSTANCES LEAVE THE Component Matches LINES OPEN TO THE ATMOSPHERE FOR ANY PERIOD OF TIME, Check to see that you have the proper system compo- nents. APPROVED MATCHED SYSTEM COMPON ENTS Be extra careful with sharp bends.
  • Page 5 I Split System Condensers Installation Instructions All line valves are positioned to seal the refrigerant in the Recommended Method Of Evacuating condensing unit with gauge ports open to connecting lines System when the Schraeder valve is depressed. Gauge ports have 1.
  • Page 6 _ Installation Instructions Split System Condensers REFRIGERATION PIPING & CHARGING Figure 5 - Addition of Refrigeration Oil The recommended method of addition or removal of refrig- Distance Suction Line Size erant is by weight. (Feet) 5/8, 3/4, 7/8 1-1/8 Some matching coils may need more refrigerant than the 0-50 factory charge.
  • Page 7 I Split System Condensers Installation Instructions I Heat Pump Control Box Figure VoltageA/C CondenserconnectionsTypical Figure Indoor Outdoor Thermostat Unit Defrost (Compressor ontactor) Control y -- Contactot nmon 24V) Ground Lug Low Voltage ! I I Entrance Line Voltage Low Voltage area is seperated INDOOR Entrance from the high voltage...
  • Page 8 _ Installation Instructions Split System Condensers Start- Up Procedure 2. Measure and record the suction line refrigeration pres- Start-up Procedure sure. (Measure at the suction line service valve gauge 1. Close electrical disconnects to energize system. port.) Using Temperature / Pressure Chart convert this pressure to the saturation refrigerant temperature.
  • Page 9 I Split System Condensers Installation Instructions If the actual superheat readings are higher than shown, the Wait 2 minutes, then repeat the procedure and re- check the same things in case you missed something system is most likely under-charged, and charge should during the first power application.
  • Page 10 _ Installation Instructions Split System Condensers Maintenance Condensate Drain Electrical Shock Hazard. During the cooling season check at least monthly for free flow of drainage and clean if necessary. Shut off electric power at fuse box or service pan- Cleanliness el before making any electrical connections.
  • Page 11 INTERNATIONAL COMFORT PRODUCTS LIMITED WARRANTY CERTIFICATE For Cooling & Heating Products SAVE THIS CERTIFICATE, It gives specific legal rights, and you may also have other rights which vary from state to state and province to province. If your unit needs servicing, contact a qualified...
  • Page 12 ADDITIONAL TERMS FOR RESIDENTIAL APPLICATIONS ONLY Tile Additional Terms for tile components listed below are in addition to, and subject to, the General Terms on tile reverse side of this page. Warranty coverage is limited to parts that fail due to defect in materials or workmanship daring...

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