Installation Instructions
NOTE: Read the entire instruction manual before starting the 
installation.
NOTE: The Dual Point Kit can only be installed on units equipped with
a  2nd  electrical  entry  (knockout),  the  knockout  was  added  to  the
electrical panel starting with the following unit serial numbers:
2711X_ _ _ _ _ and later
X1127_ _ _ _ _ and later
NOTE:  Read  the  entire  instruction  manual  before  starting  the
installation.
NOTE:  Installation  Instructions  include  Single  and  Dual  point
connection instructions separately.
SAFETY CONSIDERATIONS
Improper installation adjustment, alteration, service, maintenance, or use
can  cause  explosion,  fire,  electrical  shock,  or  other  conditions  which
may  cause  death,  personal  injury,  or  property  damage.  Consult  a
qualified  installer,  service  agency,  or  your  distributor  or  branch  for
information  or  assistance.  The  qualified  installer  or  agency  must  use
factory-authorized kits or accessories when modifying this product Refer
to the individual instructions packaged with the kits or accessories when
installing.
Follow  all  safety  codes.  Wear  safety  glasses,  protective  clothing,  and
work  gloves.  Use  quenching  cloth  for  brazing  operations.  Have  a  fire
extinguisher available. Read these instructions thoroughly and follow all
warnings  or  cautions  included  in  literature  and  attached  to  the  unit.
Consult  local  building  codes,  the  current  editions  of  the  National
Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian Electrical Code
CSA C22.1.
Recognize safety information. This is the safety-alert symbol  . When
you see this symbol on the unit and in instructions or manuals, be alert to
the  potential  for  personal  injury.  Understand  these  signal  words;
DANGER, WARNING, and CAUTION. These words are used with the
safety-alert symbol. DANGER identifies the most serious hazards which
will  result  in  severe  personal  injury  or  death.  WARNING  signifies
hazards  which  could  result  in  personal  injury  or  death.  CAUTION  is
used  to  identify  unsafe  practices  which  may  result  in  minor  personal
injury  or  product  and  property  damage.  NOTE  is  used  to  highlight
suggestions  which  will  result  in  enhanced  installation,  reliability,  or
operation.
Before  proceeding  with  heater  installation,  inspect  thoroughly  for
shipping damage.  Notify shipper immediately if any damage  is  found.
Clean all dirt, dust and moisture from heater package. 
Check for proper clearances of live parts, between phases and to ground.
Make sure that all required barriers are in place. Check conductors run in
multiple to insure that they are properly wired. Refer to unit installation
instructions  for  complete  unit  installation  details.  The  minimum  air
quantity for safe electric heater operation is shown in Table 2.
DESCRIPTION AND USAGE
These heaters are comprised of a separate heater module mounted on the
blower inlet and remote mounted controls located in the unit control box.
Heater models are provided with single point electrical connections for
powering both the heater and the unit. 
These heaters are intended for use only in SPP units as noted in Table 1.
PACKAGE CONTENTS
Electric Heater Package Contents
1. Heater assembly, comprised of heater module and control panel
2. UPC heater label
3. Installation Instructions
4. Identification label
5. Wiring label
6. Wire connectors (2)
7. Wire tires-6” (5)
8. Screws #10B (4)
9. Ground lug (1) (See Fig. 8)
10. Bolts 3/8-16 (3)
11. Plug attachment plate
12. Dual Point Electric Rating Label
13. Dual Point Warning Label
INSTALLATION
Single Point Heater Installation
1. Open  all  electrical  disconnects  and  install  lock-out  tag  before
beginning any installation or service work.
2. Check for proper heater application in Table 1.
3. Remove unit side panel to access blower compartment (See Fig. 1
and Fig. 2).
4. Disconnect wiring to motor by removing speed selection and power
plugs from bottom of motor (See Fig. 2).
5. Remove rear blower support bracket. Remove shipping block and
label under blower if unit has one (See Fig. 2).
6. Remove  screws  securing  blower  to  front  blower  support  bracket;
slide blower out of unit.
50ZPB, C, D, 50ZHB, C,
PA3Z-A, PH3Z-A, PA4Z, PH4Z, PAJ4, PHJ4, WJA4, WJH4
SMALL PACKAGED PRODUCTS (SPP)
Accessory Electric Heaters 5-20 kW
For 14 SEER, R-410A Manufactured Home
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before  performing  installation,  service  or  maintenance  operations  on
this system, turn off all main power to system. There may be more than
one  disconnect  switch.  Turn  off  accessory  heater  power  switch  if
applicable. Lock out and tag switch with a suitable warning label.