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Connecting The Return And Supply Air Flexible Ducts - Frigidaire PPH2RD User's Manual & Installation Instructions

13 seer single package heat pump
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THE HEAT PUMP SYSTEM WILL NOT COOL
OR HEAT THE HOME IF THE AIR IS LOST
TO THE OUTSIDE THROUGH LEAKS IN THE
DUCT SYSTEM. ALSO, DUCTS WHICH ARE
COLLAPSED OR RESTRICTED BY FOREIGN
OBJECTS WILL PREVENT ADEQUATE AIR
FLOW.
CONNECTING THE RETURN AND SUPPLY
AIR FLEXIBLE DUCTS
The return duct may be 12" or 14" diameter de-
pending on unit size. (See Table on page 5)
a. The supply duct for all units is twelve inches
in diameter.
b. The fl exible ducts can be connected to the
corresponding fi ttings with the clamps pro-
vided with the ducts. Note: All connections
should be leak tight or a loss in cooling
capacity will result.
c. The fl exible ducts may be cut to the required
length, see instructions packed with duct.
Keep all ducts as short and straight as
possible. Avoid sharp bends.
d. Ducts may be spliced with sheet metal
sleeves and clamps. (See Ducting Installation
Accessories page 6.)
Wire Color /
Model Q5RD
Speed Tap
T6
024K
Black/T5
T4
Red
030K
Black
T1
Red/T2
Orange/T3
036K
T4
T5
T1
Orange/T2
Red/T3
042K
T4
T5
T1
Red/T2
Orange/T3
048K
T4
T5
T1
T2
060K
T3
T4
Medium/High*
T5
* Denotes Factory Set Cooling Speed
** Denotes Factory Set Electric Heating Speed
† Denotes Factory Set Cooling and Electric Heating Speed
Figure 8. Motor Lead Connection
Air Flow
Motor Speed
(0.3 In. WC)
Low
490
Med †
802
High
1133
Low
770
1064
High †
Low
750
Med/Low **
1000
Medium *
1140
Medium/High
1300
High
1450
Low
1340
Med/Low *
1450
Medium **
1500
Medium/High
1650
High
1970
Low
1340
Med/Low **
1450
Medium *
1500
Medium/High
1650
High
1970
Low
1300
Med/Low
1400
Medium**
1500
1650
High
1950
e. Once the inner duct is connected to the
proper fi tting, the insulation and plastic sleeve
should be pulled over the connection and
clamped.
f. For homes with multiple supply ducts or for
special applications, a Y fi tting is available to
divide the supply air so it can be ducted to
different areas of the home for more effi cient
cooling. Note: The Y fi tting should be insulated
for maximum performance.
Blower Speed For optimum system performance
and comfort, it may be necessary to change
the factory set speed. See Figure 8 for factory
settings. NOTE: The 2 Ton blower motor has
three speed taps, Low, Med, High. The 2.5 ton
standard blower motor has two speeds, Low and
High. The 3, 3.5 and 4 ton models have High
Effi ciency Motors with 5 speed taps.
If Standard Motor (2 and 2.5 Ton)
1. Disconnect all electrical power to the unit
and remove the service panel.
2. The blower speed is preset at the factory
for operation at the same speed for
heating and cooling.
3. Place the desired blower speed lead on
the "COM" terminal of the blower relay.
Use another wire tie (fi eld supplied) to
bundle the remaining motor lead up and
out of the way.
If High Effi ciency Motor (3, 3.5, and 4 Ton)
1. Disconnect all electrical power to the unit
and remove the service panel.
2. Locate the orange and red wires
terminated to the blower motor. The
orange wire controls the cooling
operation and the red wire controls the
heating operation.
3. Verify the required speed from the airfl ow
data found in Figure 8. Place appropriate
wire on the appropriate motor speed tap
for the required airfl ow.
CAUTION:
To avoid personal injury or property
damage, make certain that the motor
leads cannot come into contact with
any uninsulated metal components
of the unit.
Check all factory wiring per the unit wiring
diagram and inspect the factory wiring connec-
tions to be sure none loosened during shipping
or installation.
7

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