Lennox HP13 Series Installation Instructions Manual page 7

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_WARNING
1, Install line voltage power supply to unit from a properly
sized disconnect switch,
2, Ground unit at unit disconnect switch or to an earth
ground,
NOTE - To facilitate conduit, a hole is in the bottom of
the control box. Connect conduit to the control box
using a proper conduit fitting.
NO TE - Units are approved for use only with copper
conductors.
24V, Class II circuit connections
are
made in the low voltage junction box. Refer to figure 9
for field wiring diagram.
NOTE - For proper voltages, select thermostat wire
gauge per the foflowing chart:
Wire run length
AWG #
Insulation type
less than 1go' (3Om)
18
color-coded, temperature
more than log' (30m)
16
rating 35°C minimum
NOTE - A complete unit wiring diagram is located
inside the unit control box cover.
3, Install room thermostat
(ordered separately)
on an
inside
wall
approximately
in the center
of
the
conditioned area and 5 feet (1.5 m) from the floor. It
should not be installed on an outside wall or where it
can be effected by sunlight, drafts or vibrations,
4, Install low voltage wiring from outdoor to indoor unit and
from thermostat to indoor unit, See figures 11 and 12,
Thermostat
Indoor Unit
24V Power
.
_
__ 24V j_ower
__
4 i- _
common
1st-stage
II
* a-ux_ry
heat
I_
_
1st-stage
- '-
_ x_arTh_ --
I k
,@
® ._doorb,owor _
_
valve
reversing
compressor
(SOME CONNECTIONS
MAY NOT APPLY.
REFER TO
SPECIFIC
THERMOSTAT
AND INDOOR
UNIT.)
Figure 11. Outdoor
Unit and Blower
Unit Thermostat Designations
Outdoor Unit
®
©
@
®
@
Thermostat
®-
©-
24V power
common
I
I
emergency
heat
i
I
1st-stage
II
auxiliary
heat
Ii--
k
_ indoor blower
(_
reversing_alve
compressor
_"
SOME CONNECTIONS
MAY NOT APPLY. REFER TO
THERMOSTAT
AND INDOOR UNIT.)
Indoor Unit
Outdoor Unit
\
24V power
_'_
common
--_
_
EMERGENCY
- - 47
O ;TA;oR
/---------THERMO
@ , Z"'t-s_ge
- '
auxiliary
float--
(_
@,
@
®
®
@
Figure 12. Outdoor Unit and Blower Unit
Thermostat Designations
(with Emergency
Heat)
Page 7
HP13
SERIES

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