ICP PHD548, PHD524, PHD536, PHD560 Owner's Manual

Packaged Heat Pumps

Owner's Guide to Operating and

Maintaining Your Heat Pump

ELECTRICAL SHOCK HAZARD.

Failure to follow this warning could result in
personal injury, death, and/or property damage.

Disconnect power at fuse box or service panel
before performing recommended maintenance.

FIRE, EXPLOSION, ELECTRICAL SHOCK
HAZARD.

Failure to follow this warning could result in
personal injury, death, and/or property damage.

Do not use this unit if any part has been under
water. Immediately call a qualified service
technician to inspect the unit and to replace any

part of the control system which has been under
water.

This manual should be left with the owner.

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could
result in personal injury, death, and/or property
damage.

Information in this manual MUST be followed
exactly.

Do not store or use gasoline or other flammable

vapors and liquids in the vicinity of this or any

other appliance.

04/20/09 518 02 2102 O0

SAFETYCONSIDERATIONS

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 A When you see this symbol on the unit and in

instructions or manuals, be alertto 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.

Note: Installer: This manual should be left with the
equipment user.

FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury,
death or property damage.

Installation and servicing of this equipment can be hazardous
due to mechanical and electrical components. Only trained
and qualified personnel should install, repair, or service this

equipment.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury,
death or property damage.

Before performing recommended maintenance, be sure the
main power switch to unit is turned off and a lock-out tag is

installed.

CUT HAZARD
Failure to follow this caution could result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care

and wear appropriate protective clothing, safety glasses and
golves when handling parts and servicing furnaces.

OPERATING YOUR UNIT
The operation of your heat pump system is controlled bythe

indoor thermostat. Your heat pump system requires a

thermostat with 2 stages of cooling and at least 2 stages of

heating (use of electric heat will require at least 3 stages of

heating). You simply adjust the thermostat and it maintains
the indoor temperature at the level you select. Most
thermostats of heat pump systems have 3 controls: a
temperature control selector, a FAN control, and a SYSTEM
or MODE control. Refer to your thermostat owner's manual

for more information.
To better protect your investment and to eliminate

unnecessary service calls, familiarize yourself with the
following facts:

1. During heating, increasing the desired temperature
setting more than 25°F (1.1°C) may cause the
supplemental heaters to be turned on for a short period
of time to satisfy the demand. Needless use of the

supplementary heat reduces potential energy savings.

2. Ice or frost tends to form on the coil during winter

heating operation. Your unit is designed to

automatically melt the ice. When in this defrost cycle,

it is normal for steam or fog to rise from the outdoor
unit, and for water to drain from the outside of unit.
Do not be alarmed!

To start the unit:

1. Turn on the electrical power supply to unit.

2. Set MODE control to desired mode and select
temperature.

To shut off unit:

Note: If the unit is being shut down because of a
malfunction, call your dealer as soon as possible.

1. Set system MODE control to OFF.

2. Turn off the electrical power supply to unit.

Cooling Mode

With the SYSTEM or MODE control set to COOL, your unit
will run in cooling mode until the indoor temperature is

lowered to the level you selected. On extremely hot days,

your unit will run more often on the high capacity stage. On

mild days, your unit will run more often on low capacity

stage for even greater energy savings.

Heating Mode

With the SYSTEM or MODE control set to HEAT, your unit
will run in heating mode until the room temperature is raised
to the level you have selected. On cold days, your unit will

run more often on the high capacity stage. On moderate
days, your unit will run more often on low capacity stage for
even greater energy savings.

Supplemental Heat
Your unit is your primary heating source. Your system may

also be equipped with a supplemental heating source such
as electric heat. On cold days and nights, your system will
automatically turn on the supplemental heat, as needed, in

order to maintain the level of comfort you have selected.
When your heat pump needs additional heat to keep you
comfortable your thermostat will turn on the supplemental

heat (if equipped).

Defrost Mode
When your unit is providing heat to your home or office and

the outdoor temperature drops below 45°F (7.2°C),

moisture may begin to freeze on the surface of the coil. If
allowed to build up, this ice would impede airflow across the

coil and reduce the amount of heat absorbed from the