Lennox HP21 Installation Instructions Manual

E2008 Lennox Industries Inc. E2008 Lennox Industries Inc.
Dallas, Texas, USA
INSTALLATION INSTRUCTIONS FOR REPLACEMENT CONTACTOR KIT
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
WARNING
Improper installation,
service or maintenance can cause personal injury,
loss of life, or damage to property.
Installation and service must be performed by a
licensed professional installer (or equivalent) or a
service agency.
Shipping and Packing List
Package 1 of 1 contains the following
Item Description
Contactor (3−pole 25A contactor with end switch) 48G5801
Contactor (3−pole 40A contactor) P−8−7716
Template (580104−01) to use as a locator for drilling holes
needed to install the two replacement contactors.
Wire ties
# 8−32 x 1/2 TFS mounting screws (P−8−9680)
6" long 18−gauge yellow wire
10" long 18−gauge blue wire
Wiring diagram sticker (single−phase) 537139−01
Wiring diagram sticker (three−phase) 537140−01
Shipping Damage
Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.
Application
This kit is to be used to replace the existing 5−pole
contactor with two new contactors in HS21 and HP21
single− and three−phase units.
Installation
CAUTION
Physical contact with metal edges and corners
while applying excessive force or rapid motion can
result in personal injury. Be aware of, and use
caution when working near these areas during
installation or while servicing this equipment.
07/08
*2P0708*
(43W56) FOR USE WITH HP21 AND HS21 UNITS
adjustment, alteration,
KITS COMMON TO HEATING AND
COOLING EQUIPMENT
506146−01
07/08
Replace the contactor as follows:
1. Disconnect all electrical power to the unit. (The unit
may have multiple power supplies.)
2. Cut wire ties as necessary to allow enough wire length
QTY to remove the 5−pole contactor from its location in the
unit. Remove as few wires as possible from the 5−pole
1
contactor. This will save time when wiring the new
1
contactors.
1
disconnected.
3. Use a 5/16" nut driver to remove the two 5/16" screws
8
that secure the 5−pole contactor into the unit. These
screws can be used to secure one side of the 3−pole,
6
25A replacement contactor.
1
4. Rotate the 5−pole contactor toward the right side of the
1
control box and remove the contactor from the unit.
1
5. Use the original contactor mounting holes as
1
reference and apply the provided contactor template
sticker to the back of the control box.
6. Drill 1/8" pilot holes as shown on the template. See
figure 1.
3−Pole, 25A Contactor
with End Switch
NEW HOLES
REQUIRED FOR
REPLACEMENT
CONTACTOR
Figure 1. Template Sticker (580104−01)
Page 1
HP21/HS21 CONTACTOR
REPLACEMENT KIT
WARNING
Electric Shock Hazard. Can cause
injury or death.
Unit may have multiple
supplies. Disconnect
electric power supplies
opening access panel.
Unit must be grounded in accordance
with national and local codes.
Label any wires
3−Pole, 40A Contactor
EXISTING
HOLES FROM
5−POLE
NEW HOLES
CONTACTOR
REQUIRED FOR
REPLACEMENT
CONTACTOR
506146−01
*P506146-01*
Litho U.S.A.
power
all remote
before
that must be