Lennox Elite Series HP13 User manual

®
';_)2007 Lennox industries Jnc,
Dallas, Texas, USA
0( us
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
WARNING
A CAUTION
AIMPORTANT
X_ IMPORTANT
INSTALLATION
INSTRUCTIONS
HP13 Series Units
HEAT PUMP UNITS _Technical
505,076M LLJJ Publications
06107 LithoU.S.A.
Supersedes 07/06
HP13 Outdoor Unit ............................ 1
Shipping & Packing List ........................ 1
General Information ........................... 3
Unit Dimensions ............................... 2
Setting the Unit ............................... 3
Removing Panels ............................. 5
Electrical ..................................... 6
Refrigerant Piping ............................. 8
Refrigerant Metering Device .................... 10
Manifold Gauge Set ........................... 10
Service Valves ................................ 11
Leak Testing .................................. 11
Evacuation ................................... 12
Start-Up ...................................... 12
Refrigerant Charging ........................... 13
System Operation ............................. 15
Defrost System ............................... 15
Maintenance .................................. 16
Optional Accessories .......................... 16
Homeowner Information ........................ 17
Thermostat Operation .......................... 17
Start-Up and Performance Check List ............ 18
Lennox Elite ® Series HP13 outdoor units are approved
and warranted only for installation with specially
matched indoor coils, line sets, and refrigerant control
devices aC designated by Lennox. Refer to Lennox
engineering handbook for check expansion valve
(CTXV) kits which may need to be ordered separately.
1 - Assembled HP13 outdoor unit
Check unit for shipping damage. Consult last carrier
immediately if damage is found.
06/07
IIIlllllllllllllllllllllllllllllllllllll Page 1 505,076M IIIllllllllllllllllllllllllllllllHlllllllll

RUN
CAPACITOR
TOP VIEW
4 C
DISCHARGE AIR t
f--
/
'X/
I I
SIDE VIEW
DEFROST
BOARD
CONTACTOR
REVERSING
VALVE
SUCTION LINE
CONNECTION FILTER DRIER/
LIQUID LINE
CONNECTIONS
LIQUID LINE
CONNECTION
LIQUID LINE
CONNECTION
ELECTRICAL
/INLETS
VAPOR LINE
JCONNECTION
4-1/4 4-3/4
(108) (121)
f f
,OUTDOOR FAN
-COMPRESSOR
HIGH PRESSURE
SWITCH
(-018 MODEL ONLY)
,VAPOR LINE
VAPOR VALVE AND
- GAUGE PORT/SUCTION
LINE CONNECTIONS
HP13 PARTS ARRANGEMENT
A
J
2(51) [_-
-N
1 (25)
I I i i
SIDE VIEW
q
UNIT SUPPORT
FEET
8-1/2
(2"
8-3/4
(2
(343)
HP13-018, -024, -030, AND -036
BASE SECTIONS
9-1/2
41)
8-1/4
(210)
l
UNIT SUPPORT / "_
FEET\
D(_ @ C)
E
l
-r
K
_l
J
----I-
HP13 BASE WITH ELONGATED LEGS
HP13 A
-018 35 (889)
-024 35 (889)
-030 31 (787)
-036 35 (889)
-042 35 (889)
-048 39 (991)
-060 39 (991)
B
27 (686)
27 (686)
27 (686)
27 (686)
30-1/2 (775)
30-1/2 (775)
35-1/2 (902)
C
28 (711)
28 (711)
28 (711)
28 (711)
35 (889)
35 (889)
39-1/2 (1003)
D
13-7/8 (352) 7-3/4 (197)
16-7/8 (429) 8-3/4 (222)
EF
3-1/4 (83)
3-1/8 (79)
G H JK
27-1/8 (689)
30-3/4 (781)
3-5/8 (92)
4-5/8 (117)
4-1/2 (114)
3-3/4 (95)
20-5/8 (524)
26-7/8 (683)
505076M 06/07
Page 2

WARNING position that will transmit sound or vibration to the
living area or adjacent buildings.
2+ Install the unit high enough above ground or roof to
allow adequate drainage of defrost water and prevent
ice build-up.
3+ In heavy snow areas, do not locate unit the where
snowdrifts will likely build. The unit base should be
elevated above the depth of average snows.
NOTE -Elevation of the unit may be accomplished by
constructing a frame using suitable materials. If a
support frame is constructed, it must not block drain
holes in unit base.
4+ Locate the unit so prevailing winter winds will not blow
into the coil.
5. Locate unit away from overhanging roof lines which
would allow water or ice to drop on, or in front of, coil
or into unit.
These instructions are intended as a general guide and do
not supersede national or local codes in any way.
Authorities having jurisdiction should be consulted before
installation+
When servicing or repairing HVAC components, ensure
the fasteners are appropriately tightened. Table 1 shows
torque values for fasteners+
Table 1. Torque Requirements
Parts Recommended Torque
Service valve cap 8 ft.- lb. 11 NM
Sheet metal screws 16 in.- lb. 2 NM
Machine screws #10 28 in.- lb. 3 NM
Compressor bolts 90 in.- lb. 10 NM
Gauge port seal cap 8 ft.- lb. 11 NM
CAUTION
Outdoor units operate under a wide range of weather
conditions; therefore, several factors must be considered
when positioning the outdoor unit+
Position the unit to allow adequate airflow and servicing
clearance. Maintain a minimum clearance of 24 inches
(610 mm) between multiple units as illustrated in figure 1+
1+ Place a sound-absorbing material, such as Isomode,
under the unit if it will be installed in a location or
NOTES:
Service clearanceof30 in. (762mm) mustbe maintainedon
one of the sidesadjacent to the control box+
Clearanceto oneof the otherthree sides must be 36 in.(914
mm)
Clearancetoone ofthe remainingtwo sides may be 12 in+(305
mm) and the final sidemay be 6 in. (152mm),
A clearanceof24 in, (610mm) must be maintained between
two units.
48 in. (1219mm)clearancerequiredon top of unit,
Figure 1. Installation Clearances
SLAB MOUNTING
When installing unit at grade level, the top of the slab
should be high enough above grade so that water from
higher ground will not collect around the unit. The slab
should have a slope tolerance away from the building of 2
degrees or 2 inches per 5 feet (50 mm per 1500 mm) to
prevent ice build-up under the unit during a defrost cycle+
NOTE -If necessary for stability, anchor unit to slab as
described in "Stabilizing unit on uneven surfaces".
Page 3
HP13 SERIES

INSTALLUNITLEVELOR,IFONASLOPE,MAINTAINSLOPE
TOLERANCEOF2DEGREES(OR2INCHESPER5FEET
[50MMPER1.5M])AWAYFROMBUILDINGSTRUCTURE.__L
BUILDING
STRUCTURE
MOUNTING _ i T
SLAB
GROUND LEVEL
Figure 2. Slab Mounting Options
ELEVATING THE UNIT (SMALL-BASE UNITS)
If additional elevation is necessary, raise the unit by
extending the length of the unit support feet. This may be
done by cutting four equal true-cut lengths of Schedule
(SCH) 40, 4" (101.6mm) piping to the height required as
illustrated in figure 3.
NOTE -Keep the height of extenders short enough to
ensure a sturdy installation. If it is necessary to extend
further, consider a different type of field-fabricated
framework that is sturdy enough for greater heights.
The inside diameter of the 4" (101.6mm) piping is
approximately 0.25" (6.35mm) greater than the
pre-installed feet on the unit. Devise a shim that will take up
the space and hold the extenders onto the feet during this
procedure. Small strips of 0.125" (3.175mm) thick
adhesive foam may be used. One or two small 1"
(25.4mm) square strips should be adequate to hold the
extender in place.
Base
Leg Detail 4" (101.6mm)
SCH 40 Piping
Figure 3. Elevated Slab Mounting using Feet
Extenders (Small-Base Units)
ELEVATING THE UNIT (LARGER-BASE UNITS)
Unlike the small-base units which use round feet, the
larger-base units are outfitted with elongated feet as
illustrated in figure 4. which uses a similar method for
elevating the unit height.
If additional elevation is necessary, raise the unit by
extending the length of the unit support feet. This may be
done with 2" SCH 40 female threaded adapter. The
specified coupling will fit snuggly into the recess portion of
the feet. Additional couplers can be used to make
additional adjustments to the level of the unit.
NOTE -Keep the height of extenders short enough to
ensure a sturdy installation. If it is necessary to extend
further, consider a different type of field-fabricated
framework that is sturdy enough for greater heights.
Base
Leg Detail 2" (50.8ram)
SCH 40
Female Threaded
Adapter
Figure 4. Elevated Slab Mounting using Feet
Extenders (Larger-Base Units)
STABILIZING UNIT ON UNEVEN SURFACES
To help stabilize an outdoor unit, some installations may
require strapping the unit to the pad using brackets and
anchors commonly available in the marketplace.
TYPICAL __,,,t
INSTALLATION
WITH 3 TO 4 IN.
EXTENDERS
INSTALLED _ BUILDING
IMPORTANT! STRUCTURE
ALWAYS USE MOUNTING _ i TSTABILIZER
BRACKET ON SLAB
ELEVATED
INSTALLATIONS
STABILIZER
BRACKETS
GROUNDLEVEL
Figure 5. Elevated Slab Mounting using Feet
Extenders
505076M 06/07
Page 4

IMPORTANT
With unit positioned at installation site, remove two side
Iouvered panels to expose the unit base pan. Install the
brackets as illustrated in figure 6 using conventional
practices; replace the panels after installation is complete.
Slab Side Mounting
ONE BRACKET PER SIDE (MIN.); FOR EXTRA STABILITY,
2 BRACKETS PER SIDE, 2" FROM EACH CORNER.
Figure 6. Installing Stabilizer Brackets
ROOF MOUNTING
Install unit 6" (152 mm) above the roof surface to avoid ice
build-up around the unit. Locate the unit above a load
bearing wall or area of the roof that can adequately support
the unit, Consult local codes for rooftop applications.
If unit cannot be located away from prevailing winter winds,
construct a wind barrier sized at least the same height and
width as outdoor unit, Position barrier 24" (610 mm) from
the sides of the unit in direction of prevailing winds as
illustrated in figure 7,
inlet a[_
prevailing winter winds
wind barrier ]
24"
inlet air ,_ _641'0 ram)
O inlet air
inlet air
Figure 7. Rooftop Application with Wind Barrier
If unit cannot be located away from prevailing winter winds,
construct a wind barrier sized at least the same height and
width as outdoor unit. Position barrier 24" (610 mm) from
the sides of the unit in direction of prevailing winds (fig. 7).
IMPORTANT! Do not allow panels to hang on unit by top tab.
Tab is for alignment and not designed to support weight of panel,
Panel shown slightly rotated to allow top tab to exit (or enter) top
slot for removing (or installing) panel.
LIP
SCREW
HOLES
Detail
J
ROTATE IN THIS
DIRECTION; THEN DOWN
TO REMOVE PANEL
Figure 8. Removing/Installing Louvered
Panels (Details A, B and C)
Remove the Iouvered panels as follows:
1, Remove 2 screws, allowing the panel to swing open
slightly (see figure 8).
2. Hold the panel firmly throughout this procedure.
Rotate bottom corner of panel away from hinge corner
post until lower 3 tabs clear the slots (see figure 8,
Detail B),
Page 5
HP13 SERIES

UTDOOR
FAN
PURPLE
BLACK
ORANGE
RED
START
CAPACITOR DUAL
CAPACITOR
DEFROST CONTROL
,j! o +
LLOW
COMPRESSOR
CRANKCASE
HEATER
BLACK
POTENTIAL _M_SOR (_
CONTACTORI/I
DEFROST.ff'"x _'\,REVERSING
THERMOSTAT_ _VALVE
o_- ©
Y1ou_
*MAY BE OPTIONAL
--C
--L
--R
--0
--YI
/k
20B-230/60/I
EQUIPMENT
GROUND
T
Figure 9. Typical Field Wiring Diagram
3. Move panel down until lip of upper tab clears the top MAINTAINMINIMUMPANELANGLE(AS CLOSETOPARALLELWITHTHEUNIT
slot in corner post (see figure 8, Detail A). AS POSSIBLE) WHILEINSTALLINGPANEL.
HOLD DOOR FIRMLY TO THE HINGED
ANGLE MAY BE TOO SIDE TO MAINTAIN
EXTREME _-_ FULLY-ENGAGED TABS
CAUTION PREFERRED ANGLE
Detail D
Position and Install Panel--Position the panel almost
parallel with the unit (figure 8, Detail D) with the "screw
side" as close to the unit as possible, Then, in a continuous
motion:
•Slightly rotate and guide the lipof top tab inward (figure
8, Details A and C); then upward into the top slot of the
hinge corner post,
• Rotate panel to vertical to fully engage all tabs,
• Holding the panel's hinged side firmly in place, close
the right-hand side of the panel, aligning the screw
holes.
When panel is correctly positioned and aligned, insert the
screws and tighten,
Figure 10. Removing/Installing Louvered
Panels (Detail D)
In the U.S.A., wiring must conform with current local codes
and the current National Electric Code (NEC). In Canada,
wiring must conform with current local codes and the current
Canadian Electrical Code (CEC).
Refer to the furnace or blower coil installation instructions
for additional wiring application diagrams and refer to unit
nameplate for minimum circuit ampacity and maximum
overcurrent protection size.
505076M 06/07
Page 6

_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 -Tofacilitate 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; AY
/---------THERMOSTAT
@ , Z"'t-s_ge
-'auxiliary float-- (_
@,
@
®®
@
Figure 12. Outdoor Unit and Blower Unit
Thermostat Designations (with Emergency
Heat)
Page 7
HP13 SERIES

Field refrigerant piping consists of liquid and vapor lines
from the outdoor unit (sweat connections) to the indoor coil
(flare or sweat connections),
Use Lennox L15 (sweat, non-flare) series line sets as
shown in table 2 or use field-fabricated refrigerant lines,
Refer to Refrigerant Piping Guide (Corp. 9351-L9) for
proper size, type, and application of field-fabricated lines.
Field connection sizes are also listed in table 2.
Model
Table 2. Refrigerant Line Sets
Field
Connections
Liquid Vapor
Line Line
-018 3/8 in. 3/4 in
-024 (10 mm) (19 mm)
-030
-036 3/8 in. 7/8 in
-042 (10 mm) (22 mm)
-048
3/8 in, 1-1/8 in.
-060 (10 mm) (29 mm)
Recommended Line Set
Liquid Vapor L15
Line Line Line Sets
3/8 in. 3/4 in L15-41
(10 (19 mm) 15 ft, - 50 ft.
mm) (4.6 m - 15 m)
3/8 in. 7/8 in L15-65
(10 (22 mm) 15 ft, - 50 ft.
mm) (4.6 m - 15 m)
3/8 in, 1-1/8 in. Field
(10 (29 mm) Fabricated
mm)
NOTE -Units are designed for line sets of up to fifty feet (15
m). For applications longer than fifty feet, consult the
Lennox Refrigerant Piping Guide (Corp. 9351-L9). Select
line set diameters from table 2 to ensure that oil returns to
the compressor.
INSTALLING REFRIGERANT LINE
Pay close attention to line set isolation during installation of
any heat pump or a/c system. When properly isolated from
building structures (walls, ceilings, floors), the refrigerant
lines will not create unnecessary vibration and subsequent
noises. Also, consider the following when placing and
installing a high-efficiency outdoor unit:
1. Placement--Some localities are adopting sound
ordinances based on the unit's noise level observed
from the adjacent property, not from the installation
property. Install the unit as far as possible from the
property line. When possible, do not install the unit
directly outside a window. Glass has a very high level
of sound transmission. Figure 13 shows how to place
the outdoor unit and line set.
Install unit /
away from J
windows
Two 90° elbows installed in line set
will reduce line set vibration.
Figure 13. Outside Unit Placement and Installation
2. Line Set Isolation--The following illustrations
demonstrate procedures which ensure proper
refrigerant line set isolation. Figure 14 shows how to
install line sets on horizontal runs. Figure 15 shows
how to install line sets on vertical runs. Figure 16
shows how to make a transition from horizontal to
vertical.
To hang line set from joist or rafter,
use either metal strapping material
or anchored WIRE TIE
(Around vapor
STRAPPING MATERIAL
(Around vapor line only)
8 FEET TAPE OR
WIRE TIE
METAL
SLEEVE Strap the vapor line to the joist or
TAPE OR rafter at 8 feet intervals then strap
WIRE TIE the liquid line to the vapor line.
ROOF RAFTER _ --
q Ill II
Figure 14. Refrigerant Line Sets: Installing
Horizontal Runs
505076M 06/07
Page 8

IMPORTANT - Refrigerant LIQUID
OUTSIDE WALL lines must not contact wall. VAPOR LINE
LINE
NOTE -Similar installation
practices should be used if
line set is to be installed on
exterior of outside wall.
VAPOR LINE
WRAPPED WITH
ARMAFLEX LIQUID
must not contact
structure.
P Cv_\ULK
FIBERGLASS
PIPE
TIE
WALL
WOOD
BLOCK
STRAP
ANCHORED
HEAVY NYLON
WIRE TIE
WALL
STUD
Strap Liquid
por
Line
LIQUID
METAL VAPOR LINE -
SLEEVE WRAPPED IN
ARMAFLEX
AUTOMOTIVE
MUFFLER-TYPE _
HANGER
WALL o
Ii
X Strap Liquid
Line To Vapor
Line
LIQUID
METAL VAPOR LINE - LINE
SLEEVE WRAPPED IN
ARMAFLEX
Figure 15. Refrigerant Line Sets: Installing Vertical
Runs (New Construction Shown) Figure 16. Refrigerant Line Sets: Transition from
Vertical to Horizontal
Page 9
HP13 SERIES

BRAZING CONNECTION PROCEDURE
1. Cut ends of the refrigerant lines square (free from
nicks or dents). Debur the ends. The pipe must remain
round, do not pinch end of the line.
2. Before making line set connections, use dry nitrogen
to purge the refrigerant piping. This will help to prevent
oxidation and the introduction of moisture into the
system.
3. Use silver alloy brazing rods (5 or 6 percent minimum
silver alloy for copper-to-copper brazing or 45 percent
silver alloy for copper-to-brass or copper4o-steel
brazing) which are rated for use with HCFC-22
refrigerant. Wrap a wet cloth around the valve body
and the copper tube stub. Braze the line set to the
service valve.
4. Wrap a wet cloth around the valve body and copper
tube stub to protect it from heat damage during
brazing. Wrap another wet cloth underneath the valve
body to protect the base paint.
NOTE -The tube end must stay bottomed in the fitting
during final assembly to ensure proper seating,
sealing and rigidity.
5. If required, install a field-provided check expansion
valve (approved for use with HCFC-22 refrigerant) in
the liquid line at the indoor coil.
HP13 units are used in check expansion valve (CTXV)
systems only. See the Lennox Engineering Handbook for
approved expansion valve match-ups and application
information.
Check expansion valves equipped with Chatleff fittings are
available from Lennox. Refer to the Engineering
Handbook for applicable check expansion valves for use
with specific match-ups. See table 3 for valve kits.
Table 3
Indoor Check Expansion Valve Kits
Model Kit Number
HP13-018, -024, -030, -036 LB-85759F
HP13-042, -048 LB-85759G
HP13-060 100188-01
AIMPORTANT
If you install a check expansion valve with an indoor coil
that includes a fixed orifice, remove the orifice before the
check expansion valve is installed. See figure 17 for
installation of the check expansion valve.
// j
DISTRIBUTOR (__ LIQUID LINE
................................_ STUB
NOTE- If installing expansion valve with an indoor coil that in-
cludes a fixed orifice, remove orifice before installing valve.
Figure 17. Metering Device Installation
When checking the unit charge, use a manifold gauge set
that is equipped with "low loss" hoses. Do not use a
manifold gauge set with anything other than a "low loss"
hose. See figure 18 for manifold gauge connections.
DEFROST --....__.._
THERMOSTAT
CHECK EXPANSION VALVE
LOW Hugh
PRESSURE PRESSURE
o s@:,!.
!
i
!
II
!
DISTRIBUTOR OUTDOOR UNIT
REVERSING VALVE
DRIER OUTDOOR
COiL
VAPOR set- SERVICE
vice port J PORT
line
f JJ COMPRESSOR _ valve
CHECK EXPANSION VALVE --
NOTE - ARROWS INDICATE
DIRECTION OF REFRIGERANT FLOW
NOTE - USE GAUGE PORTS ON VAPOR
LINE VALVE AND LIQUID VALVE FOR
EVACUATING REFRIGERANT LINES
AND INDOOR COIL. USE VAPOR GAUGE
PORT TO MEASURE VAPOR PRESSURE
DURING CHARGING.
INDOOR UNIT
INDOOR
COIL
Figure 18. HP13 Cooling Cycle (Showing Gauge Manifold Connections)
Page 10
505076M 06/07