Horizontal Installation - Heat Controller HP Series Installation, Operation & Maintenance Manual

The horizontal run of a condensate hose is usually
does not cause condensate leaks inside the cabinet.
too short to cause drainage problems. However, the
horizontal run of the condensate line should be pitched
The horizontal run of a condensate hose is usually
at least 1 inch for every 10 feet [10mm per 116cm] of run
too short to cause drainage problems. However, the
Installation, Operation & Maintenance
in the direction of flow to insure that the connection will
horizontal run of the condensate line should be pitched
not slip off due to excessive weight or piping expansion/
at least 1 inch for every 10 feet [10mm per 116cm] of run
contraction. Avoid low points and non-pitched piping
in the direction of flow to insure that the connection will
since dirt collects in low or level areas and may cause
not slip off due to excessive weight or piping expansion/
Condensate Piping – Horizontal Units
stoppage and overflow.
contraction. Avoid low points and non-pitched piping
Pitch the unit toward the drain as shown in Figure 2 to
since dirt collects in low or level areas and may cause
improve the condensate drainage. Ensure that unit pitch
Install condensate trap at each unit with the top of the trap
stoppage and overflow.
does not cause condensate leaks inside the cabinet.
positioned below the unit condensate drain connection as
shown in Figure 6. Design the depth of the trap (water-
Install condensate trap at each unit with the top of the trap
The horizontal run of a condensate hose is usually
seal) based upon the amount of ESP capability of the
positioned below the unit condensate drain connection as
too short to cause drainage problems. However, the
blower (where 2 inches [51mm] of ESP capability requires
shown in Figure 6. Design the depth of the trap (water-
horizontal run of the condensate line should be pitched
2 inches [51mm] of trap depth). As a general rule, 1-1/2
seal) based upon the amount of ESP capability of the
at least 1 inch for every 10 feet [10mm per 116cm] of run
inch [38mm] trap depth is the minimum.
blower (where 2 inches [51mm] of ESP capability requires
in the direction of flow to insure that the connection will
2 inches [51mm] of trap depth). As a general rule, 1-1/2
not slip off due to excessive weight or piping expansion/
Each unit must be installed with its own individual trap
inch [38mm] trap depth is the minimum.
contraction. Avoid low points and non-pitched piping
and connection to the condensate line (main) or riser.
since dirt collects in low or level areas and may cause
Provide a means to flush or blow out the condensate line.
Each unit must be installed with its own individual trap
stoppage and overflow.
DO NOT install units with a common trap and/or vent.
and connection to the condensate line (main) or riser.
Provide a means to flush or blow out the condensate line.
Install condensate trap at each unit with the top of the trap
Always vent the condensate line when dirt or air
DO NOT install units with a common trap and/or vent.
positioned below the unit condensate drain connection as
can collect in the line or a long horizontal drain line
shown in Figure 6. Design the depth of the trap (water-
is required. Also vent when large units are working
Always vent the condensate line when dirt or air
seal) based upon the amount of ESP capability of the
against higher external static pressure than other units
can collect in the line or a long horizontal drain line
blower (where 2 inches [51mm] of ESP capability requires
connected to the same condensate main since this may
is required. Also vent when large units are working
2 inches [51mm] of trap depth). As a general rule, 1-1/2
cause poor drainage for all units on the line. WHEN A
against higher external static pressure than other units
inch [38mm] trap depth is the minimum.
VENT IS INSTALLED IN THE DRAIN LINE, IT MUST BE
connected to the same condensate main since this may
LOCATED AFTER THE TRAP IN THE DIRECTION OF
cause poor drainage for all units on the line. WHEN A
Each unit must be installed with its own individual trap
THE CONDENSATE FLOW.
VENT IS INSTALLED IN THE DRAIN LINE, IT MUST BE
and connection to the condensate line (main) or riser.
LOCATED AFTER THE TRAP IN THE DIRECTION OF
Provide a means to flush or blow out the condensate line.
THE CONDENSATE FLOW.
DO NOT install units with a common trap and/or vent.
Always vent the condensate line when dirt or air
can collect in the line or a long horizontal drain line
is required. Also vent when large units are working
against higher external static pressure than other units
Duct System Installation
connected to the same condensate main since this may
The duct system should be sized to handle the design
cause poor drainage for all units on the line. WHEN A
airflow quietly. Refer to Figure 3 for horizontal duct
Duct System Installation
VENT IS INSTALLED IN THE DRAIN LINE, IT MUST BE
system details or figure 8 for vertical duct system details.
The duct system should be sized to handle the design
LOCATED AFTER THE TRAP IN THE DIRECTION OF
A flexible connector is recommended for both discharge
airflow quietly. Refer to Figure 3 for horizontal duct
THE CONDENSATE FLOW.
and return air duct connections on metal duct systems to
system details or figure 8 for vertical duct system details.
eliminate the transfer of vibration to the duct system. To
A flexible connector is recommended for both discharge
maximize sound attenuation of the unit blower, the supply
and return air duct connections on metal duct systems to
and return plenums should include internal fiberglass
eliminate the transfer of vibration to the duct system. To
duct liner or be constructed from ductboard for the first
maximize sound attenuation of the unit blower, the supply
few feet. Application of the unit to uninsulated ductwork
and return plenums should include internal fiberglass
in an unconditioned space is not recommended, as the
duct liner or be constructed from ductboard for the first
unit's performance will be adversely affected.
few feet. Application of the unit to uninsulated ductwork
Duct System Installation
in an unconditioned space is not recommended, as the
The duct system should be sized to handle the design
unit's performance will be adversely affected.
airflow quietly. Refer to Figure 3 for horizontal duct
system details or figure 8 for vertical duct system details.
A flexible connector is recommended for both discharge
and return air duct connections on metal duct systems to
eliminate the transfer of vibration to the duct system. To
maximize sound attenuation of the unit blower, the supply
and return plenums should include internal fiberglass
duct liner or be constructed from ductboard for the first
few feet. Application of the unit to uninsulated ductwork
in an unconditioned space is not recommended, as the
unit's performance will be adversely affected.
HP SerieS

HORIZONTAL INSTALLATION

Figure 6: Horizontal Condensate Connection
DUCT SYSTEM INSTALLATION
At least one 90° elbow should be included in the supply
DUCT SYSTEM INSTALLATION
duct to reduce air noise. If air noise or excessive air
flow is a problem, the blower speed can be changed.
At least one 90° elbow should be included in the supply
For airflow charts, consult submittal data or engineering
duct to reduce air noise. If air noise or excessive air
design guide for the series and model of the specific unit.
flow is a problem, the blower speed can be changed.
For airflow charts, consult submittal data or engineering
If the unit is connected to existing ductwork, a previous
design guide for the series and model of the specific unit.
check should have been made to insure that the ductwork
has the capacity to handle the airflow required for the
If the unit is connected to existing ductwork, a previous
unit. If ducting is too small, as in the replacement of a
check should have been made to insure that the ductwork
heating only system, larger ductwork should be installed.
has the capacity to handle the airflow required for the
DUCT SYSTEM INSTALLATION
All existing ductwork should be checked for leaks and
unit. If ducting is too small, as in the replacement of a
repaired as necessary.
heating only system, larger ductwork should be installed.
At least one 90° elbow should be included in the supply
All existing ductwork should be checked for leaks and
duct to reduce air noise. If air noise or excessive air
repaired as necessary.
flow is a problem, the blower speed can be changed.
For airflow charts, consult submittal data or engineering
design guide for the series and model of the specific unit.
If the unit is connected to existing ductwork, a previous
check should have been made to insure that the ductwork
has the capacity to handle the airflow required for the
unit. If ducting is too small, as in the replacement of a
heating only system, larger ductwork should be installed.
All existing ductwork should be checked for leaks and
repaired as necessary.
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CAUTION! Ensure condensate line is
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pitched toward drain 1/4" per foot [10mm per
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CAUTION! Ensure condensate line is 46cm] of run.
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pitched toward drain 1/4" per foot [10mm per
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46cm] of run.
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� CAUTION! �
CAUTION! Ensure condensate line is
CAUTION! Ensure condensate line is pitched
pitched toward drain 1/4" per foot [10mm per
toward drain 1/4" per foot [21mm per m] of run.
46cm] of run.
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Heat Controller, Inc.
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1/4" per foot �������������
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(21mm per m)
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slope to drain
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