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Page 8

Refrigerant Line Sets:

Installing Horizontal Runs

8 feet

Metal Sleeve

Strapping Material (around vapor line only)

Tape or Wire Tie

Wire Tie

(around vapor line only)

Floor Joist or

Roof Rafter

Tape or Wire Tie

Strap the vapor line to the joist or rafter at 8 ft.
intervals then strap the liquid line to the vapor line.

To hang line set from joist or rafter,
use either metal strapping material
or anchored heavy nylon wire ties.

Floor Joist or Roof Rafter

Figure 9

Содержание HP27 SERIES

Страница 1: ...6 04 Supersedes 12 03 Table of Contents HP27 Outdoor Unit 1 Shipping Packing List 1 General Information 1 Unit Dimensions 2 Parts Arrangement 3 Setting the Unit 3 Electrical 4 Refrigerant Piping 6 Refrigerant Metering Device 10 Service Valves 10 Leak Testing 11 Evacuation 12 Start Up 13 Manifold Gauge Set 13 Charging 13 System Operation 15 Defrost System 16 Maintenance 17 HP27 Check Points 18 RETA...

Страница 2: ...N OUTLETS Around perimeter of base 4 102 B 1 3 8 35 LIQUID LINE INLET 4 102 6 1 16 154 AIR INLET AIR A 4 7 8 22 4 1 2 114 2 9 16 65 2 51 2 51 13 5 8 473 26 5 8 676 7 1 2 191 7 1 2 191 3 7 8 98 3 7 8 98 28 1 8 714 32 1 8 816 34 1 16 865 Model No A B HS27 024 in 40 7 8 19 13 16 HS27 024 HP27 030 mm 1038 503 HP27 036 in 44 7 8 14 1 4 HP27 036 HP27 042 mm 1140 362 ...

Страница 3: ... units must be maintained Refer to figure 2 for installation clearances 1 Place a sound absorbing material such as Isomode under the unit if you intend to install it in a location or a position that will transmit sound or vibration to the liv ing area or adjacent buildings 2 Install the unit high enough above ground or roof to prevent ice build up and to allow adequate drainage of defrost water 3 ...

Страница 4: ...n per 5 foot 51 mm per 1 5 m slope tolerance away from building structure Slab Mounting ground level mounting slab building structure discharge air Figure 3 Roof Mounting If you are unable to mount the unit coil away from prevailing winter winds construct a wind barrier See figure 4 Size the barrier at least the same height and width as the out door unit Mount the barrier 24 inches 610 mm from the...

Страница 5: ... for use only with copper conductors 24V Class II circuit connections are made in the low voltage junction box Refer to figure 5 for field wiring diagram NOTE A complete unit wiring diagram is located in side the unit control box cover 3 Install room thermostat ordered separately on an in side wall approximately in the center of the conditioned area and 5 feet 1 5 m from the floor It should not be...

Страница 6: ...apor Line L15 Line Sets 024 030 3 8 in 9 5 mm 3 4 in 19 1 mm 3 8 in 9 5 mm 3 4 in 19 1 mm L15 41 15 ft 50 ft 4 6 m 15 2 m 036 042 3 8 in 9 5 mm 7 8 in 22 2 mm 3 8 in 9 5 mm 7 8 in 22 2 mm L15 41 15 ft 50 ft 4 6 m 15 2 m Installing Refrigerant Line During the installation of any heat pump or a c system it is important to properly isolate the refrigerant lines to prevent unnecessary vibration Line s...

Страница 7: ...uid Line IMPORTANT Refrigerant lines must not contact structure Outside Wall Inside Wall Liquid Line Vapor Line IMPORTANT Refrigerant lines must not contact wall Wood Block Between Studs Strap Sleeve Wood Block Strap Sleeve Wire Tie Wire Tie Wire Tie NOTE Similar installation practices should be used if line set is to be installed on exterior of outside wall Figure 8 ...

Страница 8: ...Wire Tie Wire Tie around vapor line only Floor Joist or Roof Rafter Tape or Wire Tie Strap the vapor line to the joist or rafter at 8 ft intervals then strap the liquid line to the vapor line To hang line set from joist or rafter use either metal strapping material or anchored heavy nylon wire ties Floor Joist or Roof Rafter Figure 9 ...

Страница 9: ...ne Metal Sleeve Anchored Heavy Nylon Wire Tie Automotive Muffler Type Hanger Wall Stud Wall Stud Liquid Line Vapor Line Wrapped in Armaflex Strap Liquid Line To Vapor Line Metal Sleeve Figure 10 Outside Unit Placement and Installation Install unit away from windows Two 90 elbows installed in line set will reduce line set vibration Figure 11 ...

Страница 10: ...n valves for use with specific match ups If you install a check expansion valve with an indoor coil that includes a fixed orifice remove the orifice before installing the check expansion valve IMPORTANT Failure to remove RFC orifice when installing an ex pansion valve on the indoor coil will result in improp er operation and damage to the system See figure 12 for installation of the check expansio...

Страница 11: ...igure 14 The ball valve is equipped with a service port with a factory installed Schrader valve A service port cap protects the Schrader valve from contamination and assures a leak free seal Vapor Line Service Valve Valve Open Schrader valve stem cap To open rotate stem counter clockwise 90 To close use adjustable wrench and rotate stem clockwise 90 ball shown open service port cap service port fi...

Страница 12: ...as follows low pressure gauge to vapor service port high pressure gauge to liquid line service valve 2 Connect micron gauge 3 Connect the vacuum pump with vacuum gauge to the center port of the manifold gauge set 4 Open both manifold valves and start the vacuum pump 5 Evacuate the line set and indoor unit to an absolute pressure of 23 000 microns 29 01 inches of mercu ry During the early stages of...

Страница 13: ...act this amount The outdoor unit should be charged during warm weather However applications arise in which charging must occur in the colder months The method of charging is deter mined by the unit s refrigerant metering device and the out door ambient temperature Measure the liquid line temperature and the outdoor ambi ent temperature as outlined below 1 Close manifold gauge set valves Connect ma...

Страница 14: ...hile charging 1 Record outdoor ambient temperature using a digital thermometer 2 Attach high pressure gauge set and operate unit for several minutes to allow system pressures to stabilize 3 Compare stabilized pressures with those provided in table 6 Normal Operating Pressures Minor varia tions in these pressures may be expected due to differ ences in installations Significant differences could mea...

Страница 15: ...TOR System Operation The outdoor unit and indoor blower cycle on demand from the room thermostat When the thermostat blower switch is in the ON position the indoor blower operates continuously CAUTION Danger of Equipment Damage Do not bypass the discharge thermostat Filter Drier The drier is equipped with an internal check valve for correct refrigerant flow Refer to figure 16 If replacement is nec...

Страница 16: ...laced across the TEST pins for two seconds the control will enter the defrost mode If the jumper is removed before an addi tional 5 second period has elapsed 7 seconds total the unit will remain in defrost mode until the defrost thermostat opens or 14 minutes have passed If the jumper is not re moved until after the additional 5 second period has elapsed the defrost will terminate and the test opt...

Страница 17: ...ice or maintenance turn the electrical power to unit OFF at dis connect switch es Unit may have multiple power supplies Maintenance and service must be performed by a qualified installer or service agency At the beginning of each cooling or heating season the system should be checked as fol lows Outdoor Unit 1 Clean and inspect outdoor coil may be flushed with a water hose Ensure power is off befo...

Страница 18: ...ompressor Monitor Compressor Crankcase Heater Hail Guards Mounting Bases Timed Off Control Stand off Kit Sound Cover Low Ambient Kit Monitor Kit HP27 Check Points Start up and Performance Check List Job Name Job Location Installer Unit Model No Nameplate Voltage Rated Load Ampacity Maximum Fuse or Circuit Breaker Refrigerant Lines Service Valves Fully Opened Outdoor Fan Checked Job No City City Se...

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