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Page 3

Parts Arrangement

Figure 1

outdoor fan

(not shown)

top of cabinet

contactor

run capacitor

terminal box

liquid line

service valve

and gauge port

vapor valve

and gauge port

compressor

low pressure

switch

high pressure

switch

ground lug

Setting the Unit

CAUTION

In order to avoid injury, take proper precaution when
lifting heavy objects.

CAUTION

Danger of sharp metallic edges. Can cause injury.
Take care when servicing unit to avoid accidental
contact with sharp edges.

Refer to unit dimensions for sizing mounting slab, platform-
s, or supports. Refer to figure 2 for installation clearances.

36"

(914 mm)

36"

(914 mm)

*36"

(914 mm)

*36"

(914 mm)

Installation Clearances

Figure 2

NOTE − A service access
clearance of 30" (762 mm)
must be maintained in front
of the service access panel.
Clearance to one side must
be 36" (914 mm). Clearance
to one of the remaining two
sides may be 12" (304 mm)
and the final side may be 6"
(152 mm).

NOTE − A clearance of 24" (610 mm)
must be maintained between two units.

NOTE − 48" (1219 mm) clearance required on top
of unit. Maximum soffit overhang is 36" (914 mm).

Summary of Contents for HS27 Series

Page 1: ...4 669M 02 04 Supersedes 12 02 Table of Contents HS27 Outdoor Unit 1 Shipping Packing List 1 General Information 1 Unit Dimensions 2 Parts Arrangement 3 Setting the Unit 3 Electrical 3 Refrigerant Pipi...

Page 2: ...View Access View 4 1 2 114 2 3 4 70 4 102 6 1 16 154 1 3 8 35 A 4 7 8 22 4 102 2 9 16 65 18 5 8 473 26 5 8 676 34 1 16 865 2 51 28 1 8 714 7 1 2 191 7 1 2 191 3 7 8 98 3 7 8 98 air inlet air inlet 2 5...

Page 3: ...o avoid accidental contact with sharp edges Refer to unit dimensions for sizing mounting slab platform s or supports Refer to figure 2 for installation clearances 36 914 mm 36 914 mm 36 914 mm 36 914...

Page 4: ...structions for additional wiring application diagrams and refer to unit nameplate for minimum circuit ampacity and maximum overcurrent protection size WARNING Unit must be grounded in accordance with...

Page 5: ...R W Y G C Thermostat Furnace Outdoor Unit Y1 Outdoor Unit C Outdoor Unit power heat cooling indoor blower common NOTE see unit wiring diagram for power supply connections NOTE If the indoor unit is no...

Page 6: ...ing 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 set contact with the structu...

Page 7: ...id 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 W...

Page 8: ...ire 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 l...

Page 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 8 Outsid...

Page 10: ...ps If you install an expansion valve with an indoor coil that includes a fixed orifice remove the orifice before instal ling the expansion valve IMPORTANT Failure to remove RFC orifice when installing...

Page 11: ...t hex wrench here valve front seated to outdoor coil to indoor coil Service Valve Valve Open Schrader valve service port service port cap insert hex wrench here to indoor coil to outdoor coil stem cap...

Page 12: ...ollows low pressure gauge to vapor line service valve 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 mani...

Page 13: ...or 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 devi...

Page 14: ...tdoor ambient temperature to check the liquid line temperature 5 The difference between the ambient and liquid temper atures should match values given in table 4 If the val ues don t agree with the th...

Page 15: ...shed with a water hose Ensure the power is turned off before you clean the coil 2 The outdoor fan motor is prelubricated and sealed No further lubrication is needed 3 Visually inspect connecting lines...

Page 16: ...oor Fan Checked Job No City City Serial No Date State State Service Technician Compressor Outdoor Fan Indoor Filter Clean Electrical Connections Tight Supply Voltage Unit Off Vapor Pressure Thermostat...

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