FIGURE
7
COMPRESSOR COVER
VELCRO
t
STRAPS
SLIT FOR DISCHARGE LINE
SLIT FOR
SUCTION
LINE
COVER
COMPRESSOR
Page 5
4 - Crankcase Heater
A crankcase heater is used on all HS24-510 through
HS24-650 models. The wellĆmounted insertionĆtype heater
is selfĆregulating. Heaters are rated at 27 watts for
HS24Ć511/513 and 30 watts for HS24Ć651/653. The heater
is temperatureĆactuated and operates only when required.
5 - Compressor Cover (Figure 7)
A compressor cover
constructed out of vinylĆ
faced fiberglass is used
on all HS24-411 through
-651 units. The cover proĆ
vides an acoustic barrier.
The cover slides over the
compressor and is held
secure with velcro
t
straps. Slits are provided
for installation around the
discharge and suction
lines.
C - Condenser Fan Motor
All units use single-phase PSC fan motors which require a
run capacitor. The table on page 1 of this manual shows the
specifications of condenser fans used in HS24s. In all
units, the condenser fan is controlled by the compressor
contactor.
Two different mounting arrangements are used (fan up and
fan motor up) see figures 8 and 9.
CONDENSER FAN MOTOR AND COMPRESSOR
ACCESS (FAN UP" UNITS)
FAN
REMOVE (6) SCREWS
SECURING FAN GUARD.
REMOVE FAN GUARD
TO ACCESS FAN.
Remove (6)
screws
Screws
MOTOR
SPIĆ
DER
LIFT FAN GUARD OFF AFTER REMOVING (6)
SCREWS
Usage:
4 tons and up
FIGURE 8
Access to the condenser fan motor on all units is gained by
removing the six (6) screws securing the fan guard. See
figures 8 and 9.
The condenser fan motor is attached to the fan guard on
motor up" units and is removed with the fan guard. See
figure 9.
FIGURE 9
FAN
Usage:
3.5 tons and under
CONDENSER FAN MOTOR AND COMPRESSOR
ACCESS (MOTOR UP" UNITS)
Remove (6)
screws
Screws
REMOVE (6) SCREWS
SECURING FAN GUARD.
REMOVE FAN GUARD/FAN
ASSEMBLY.
MOTOR
FAN GUARD
WIRING
RACEWAY
III - REFRIGERANT SYSTEM
A - Plumbing
Field refrigerant piping consists of liquid and suction lines
from the outdoor unit (sweat connections). Use Lennox
L10 series line sets as shown in table 5 or field fabricated
refrigerant lines.
Separate discharge and suction service ports are provided
outside the unit for connection of gauge manifold during
charging procedure.
Line
Set
Model No.
TABLE 5
HS24-141
Length of
Suct. & Liq.
Lines (ft.)
Liquid
Line
(o.d. ft.)
Suction
Line
(o.d. ft.)
*
Not Available
**1/4
1/2
L10-21-20
L10-21-25
L10-21-35
L10-21-50
20
25
35
50
***5/16
5/8
5/8
{
5/8
{
5/8
***5/16
***5/16
***5/16
HS24-211
HS24-261
L10-41-20
L10-41-30
L10-41-40
L10-41-50
20
30
40
50
3/8
3/4
3/4
3/4
3/4
3/8
3/8
3/8
HS24-311
HS24-410
L10-65-30
L10-65-40
L10-65-50
30
40
50
3/8
7/8
7/8
7/8
3/8
3/8
HS24-460
HS24-510
HS24-651
*
Not Available
3/8
1-1/8
*Field Fabricate
LINE SET SPECIFICATIONS
Condensing
Unit
Model No.
*** 3/8" x 5/16" reducer furnished to adapt unit to 5/16" line set.
**3/8" x 1/4" reducer furnished to adapt unit to 1/4 field
fabricated line set.
