Advertisement
Table of Contents
INSTALLATION AND MAINTENANCE
Split System Heat Pump
The equipment covered in this manual is to be installed by trained and experienced
service and installation technicians. Improper installation, modification, service, or
use can cause electrical shock, fire, explosion, or other conditions which may cause
personal injury, death, or property damage. Use appropriate safety gear including
safety glasses and gloves when installing this equipment.
WARNING
Risk of electrical shock. Disconnect all
remote power supplies before installing or
servicing any portion of the system. Failure
to disconnect power supplies can result in
property damage, personal injury, or death.
WARNING
Installation and servicing of air conditioning
equipment can be hazardous due to internal
refrigerant pressure and live electrical com-
ponents. Only trained and qualified service
personnel should install or service this equip-
ment. Installation and service performed by
unqualified persons can result in property
damage, personal injury, or death.
WARNING
Sharp metal edges can cause injury. When
installing the unit, use care to avoid sharp
edges.
Save these instructions for future reference
# 48306B006
INSTRUCTIONS
2SHP13 Series
WARNING
INSTALLATION ...................................... 2
START-UP ............................................. 11
OPERATION ........................................ 15
MAINTENANCE ................................... 17
HOMEOWNER INFORMATION ........... 18
CONNECTION DIAGRAMS ................. 21
Manufactured By
A.A.C.
A Lennox International Inc. Company
421 Monroe Street
Bellevue, OH 44811
*48306B006*
Page 1
Advertisement
Table of Contents
Related Manuals for Lennox 2SHP13 Series
Summary of Contents for Lennox 2SHP13 Series
-
Page 1: Table Of Contents
Installation and service performed by unqualified persons can result in property damage, personal injury, or death. Manufactured By A.A.C. A Lennox International Inc. Company WARNING 421 Monroe Street Sharp metal edges can cause injury. When Bellevue, OH 44811 installing the unit, use care to avoid sharp *48306B006* edges. -
Page 2: Installation
INSTALLATION Location of Unit Outdoor units operate under a wide range of weather General conditions; therefore, multiple factors must be considered Read this entire instruction manual, as well as the when positioning the unit. The unit must be positioned to instructions supplied in separate equipment, before give adequate clearances for sufficient airflow and servic- ing. -
Page 3: Slab Mounting
• Locate unit away from overhanging roof lines which would allow water or ice to drop on, or in font of, coil or into unit. Wind Barrier Construction Prevailing Winter Winds Slab Mounting Wind Barrier When installing a unit at grade level, install on slab high Inlet Air enough above grade so that water from higher ground will 24"... - Page 4 3. Install room thermostat on an inside wall that is not Refrigerant Piping subject to drafts, direct sunshine, or other heat sources. Field refrigerant piping consists of liquid and suction lines 4. Install low voltage wiring from outdoor to indoor unit from the outdoor unit (sweat connections) to the indoor and from thermostat to indoor unit (see Figure 4).
-
Page 5: Table
Installing Refrigerant Line Brazing Connection Procedure During the installation of an air conditioning system, it is 1. Cut ends of refrigerant lines square (free from nicks important to properly isolate the refrigerant line to prevent or dents). Debur the ends. The pipe must remain unnecessary vibration. -
Page 6: Figure
Refrigerant Line Sets: Installing Horizontal Runs To hang line set from joist or rafter, use either metal strapping material Wire Tie or anchored heavy nylon wire ties. (around vapor line only) 8’ Strapping Material Floor Joist or (around vapor line only) Roof Rafter Tape or Wire Tie 8’... -
Page 7: Table
Refrigerant Line Sets: Installing Vertical Runs (new construction shown) IMPORTANT: Refrigerant lines must not contact wall. Outside Wall Vapor Line Liquid Line NOTE: Similar installation practices should be used if line set is to be Wood Block installed on exterior of outside wall. Between Studs Wire Tie Inside Wall... -
Page 8: Figure
Expansion Valve Systems Service Valve Expansion valves equipped with Chatleff-type fittings are Valve Closed available from the manufacturer. See Table 4 for proper Stem Cap TXV for each unit. Service Port Insert hex TXV Data wrench here To outdoor coil Service Port Cap To indoor coil... - Page 9 To Close Liquid or Suction Line Service Valve: Leak Testing 1. Remove the stem cap with an adjustable wrench. After the line set has been connected to the indoor and outdoor units, the line set connections and indoor unit 2. Use a service wrench with a hex-head extension to turn must be checked for leaks.
- Page 10 as any gas that will not condense under temperatures and within a 20-minute period after shutting off the pressures present during operation of an air conditioning vacuum pump and closing the manifold gauge valves. system. Noncondensables and water vapor combine with refrigerant to produce substances that corrode copper 9.
-
Page 11: Start-Up
START-UP If the system is void of refrigerant, clean the system using the procedure described below. 1. Use dry nitrogen to pressurize the system and check CAUTION for leaks. Repair leaks, if possible. If unit is equipped with a crankcase heater, it should be energized 24 hours before unit 2. -
Page 12: Cooling Cycle
Cooling Cycle OUTDOOR UNIT DEFROST THERMOSTAT DISTRIBUTOR NOTE - ARROWS INDICATE DIRECTION OF REFRIGERANT FLOW REVERSING VALVE EXPANSION/CHECK VALVE OUTDOOR COIL BIFLOW HIGH INDOOR UNIT FILTER / DRIER PRESSURE PRESSURE MUFFLER GAUGE MANIFOLD SUCTION SUCTION SERVICE LIQUID LINE PORT HCFC-22 LINE VALVE COMPRESSOR... - Page 13 Subcooling Values for Superheat Values for Fixed Orifice or TXV Systems Fixed Orifice Systems (80°DB/67°WB Return Air) ± ( ° 1 F ° F ° F ° Table 6 3. Use a temperature/pressure chart for HCFC-22 to determine the saturation temperature for the suction line pressure reading.
- Page 14 Normal Operating Pressures F ° F ° L – Liquid S – Suction Values provided above are typical pressures. Indoor unit matchup, indoor air quality, and indoor load will cause pressures to vary. Table 8 system is not properly charged or that a problem exists with some component in the system.
-
Page 15: Operation
OPERATION Emergency heat is usually used during an outdoor shut- down, but it should also be used following a power outage if power has been off for over an hour and the outdoor Outdoor unit and indoor blower cycle on demand from the temperature is below 50°F. - Page 16 The control provides automatic switching from normal During a single demand cycle, the defrost control will lock heating operation to defrost mode and back. During the out the unit after the fifth time that the circuit is interrupted compressor cycle (call for defrost), the control accumu- by any pressure switch wired to the control board.
-
Page 17: Maintenance
MAINTENANCE Defrost Control Board Diagnostic LEDs WARNING Before performing maintenance operations on system, turn the electric power to unit OFF at disconnect switch(es). Unit may have multiple power supplies. Electrical shock could cause personal injury or death. o i t Before the start of each heating and cooling season, the following service checks should be performed by a qualified service technician. -
Page 18: Homeowner Information
HOMEOWNER INFORMATION which block airflow across the coil (such as pet urine, cottonwood seeds, etc...). In order to ensure peak performance, your system must be properly maintained. Clogged filters and blocked airflow Heat Pump Operation prevent your unit from operating at its most efficient level. Heat pump units have several characteristics you should be aware of: WARNING... - Page 19 adjustment; turning the unit off and back on before Preservice Check pressures equalize puts stress on unit compressor. If your system fails to operate, check the following before Fan Switch calling for service: In AUTO or INT (intermittent) mode, the blower operates •...
- Page 20 Start-Up and Performance Checklist Job Name _______________________________ Job No. ________________ Date ______________ Job Location _____________________________ City ___________________ State ______________ Installer _________________________________ City ___________________ State ______________ Unit Model No. ______________ Serial No. ___________________ Service Technician ________________________________________ Nameplate Voltage ______________ Rated Load Ampacity ________ Compressor Amperage ____________ Outdoor Fan ______________ Maximum Fuse or Circuit Breaker ________________________...
-
Page 21: Connection Diagrams
OUTDOOR DUAL CAPACITOR PURPLE DEFROST THERMOSTAT CONTROL BLACK BLACK ORANGE O-OUT YELLOW LO-PS BLACK COMMON Y1 OUT COMPRESSOR HI-PS COMPRESSOR CONTACTOR CRANKCASE HEATER 208-230/60/1 GROUND GROUND THERMOSTAT REVERSING CMC1 VALVE DEFROST THERMOSTAT O-OUT BLACK LO-PS K1-1 208-230/60/1 COMMON YELLOW Y1 OUT HI-PS ORANGE BLACK... - Page 22 OUTDOOR FAN RELAY OUTDOOR OUTDOOR FAN CAPACITOR DEFROST PURPLE THERMOST CONTROL BLACK BLACK ORANGE BLACK O-OUT BLACK BLACK LO-PS BLACK COMMON T3 T2 T1 Y1 OUT COMPRESSOR COMPRESSOR HI-PS CONTACTOR L3 L2 L1 CRANKCASE HEATER 208-230/60/3 GROUND GROUND REVERSING VALVE THERMOSTAT CMC1 208-230/60/3...
-
Page 23: Limited Warranty
Limited Warranty August 1, 1997 This warranty gives you specific legal rights and you may have other rights which vary from state/province to state/province. Warrantor: Armstrong Air Conditioning Inc., 421 Monroe St., Bellevue, OH 44811 Armstrong Air Conditioning Inc. products are available under the following names: Air Ease, Armstrong Air, American Aire, Concord Subject to the limitations stated in this warranty, we warrant to the first buyer for use the residential heating, cooling or heat pump unit, when installed, operated and maintained as required by this warranty, to be free of defects in workmanship or material for a period of 5 years in residential installations (1 year in non-residential installations) from the time of installation.
Need help?
Do you have a question about the 2SHP13 Series and is the answer not in the manual?
Questions and answers