Table of Contents
Advertisement
FIGURE 20
DIP SWITCH SETTING FOR AIRFLOW ADJUSTMENTS
Figure X – DIP switch setting for airflow adjustments
5.16 AIRFLOW ADJUSTMENT (TRIM)
Cooling and heat pump airflow can be adjusted +/-10% to suit the installation. To adjust
the airflow, set DIP switches 5 & 6 per Table 8:
Cooling and heat pump airflow can be adjusted +/-10% to suit the installation. To adjust the
airflow, set DIP switches 5 & 6 per Table X.X:
TABLE 8
AIRFLOW ADJUSTMENT SELECTION TABLE
DIP Switch Settings
DIP Switch Settings
Position Switch
Position Switch
Switch
5
6
A
A
OFF
OFF
B
C
B
ON
OFF
D
C
OFF
ON
D
ON
ON
IMPORTANT: The DIP switches are active only when using conventional a 24VAC ther-
mostat. If using the Comfort Control
flows.
NOTE: Airflow adjustment is active for cooling and heat pump operation only. They are
IMPORTANT: The DIP switches are active only when using conventional a 24VAC
ignored when electric heat is activated.
thermostat. If using serial communications, refer to section 5 for adjusting airflows.
5.17 ELECTRIC HEAT AIRFLOW
The RHPL-series of air handlers are shipped with the "Low KW airflow" feature turned
OFF. Activate lower airflow feature for lower KW electric heater applications by turning DIP
NOTE: Airflow adjustment is active for cooling and heat pump operation only. They are
switch 8 ON.
ignored when electric heat is activated.
IMPORTANT: The DIP switches are active only when using a conventional 24VAC ther-
mostat. If using the Comfort Control
flow adjustment.
6.7 Electric Heat Airflow
ELECTRIC HEAT AIRFLOW FOR THE RHPN AIR HANDLERS
The (-)HPL-series of air handlers are factory programmed to provide adequate airflow for
Air Handler
electric heat (auxiliary heat). Airflow for electric heat is fixed and cannot be field adjusted.
Model
RHPL-HM2421JC
RHPL-HM3621JC
Thermostat
RHPL-HM4824JC
Input
RHPL-HM6024JC
W1 or W2
5.18 COOLING MODE DEHUMIDIFICATION
6.8 Cooling Mode Dehumidification
FIGURE 21
ON DEMAND DEHUMIDIFICATION DIP SWITCH
The (-)HPL-series air handler is shipped with "On Demand Dehumidification" (ODD) turned
OFF. On Demand Dehumidification is used in conjunction with a traditional 24VAC thermostat
equipped with an on-board humidity sensor. Activate ODD by turning DIP switch 7 ON. When
Airflow Adjustments
2-ton
RHPL-HM2421 RHPL-HM3621 RHPL-HM4824 RHPL-HM6024
Switch
Y1
Y2
Y1
Y2
Y1
5
6
OFF
OFF
625
775
625
775
900
ON
OFF
700
850
OFF
ON
575
700
700
850
1000 1325 1325 1800 1525 1850
ON
ON
625
775
575
700
800
625
775
900
2
System™, refer to Section 5.15 for adjusting air-
Table X.X – Airflow Adjustment Selection Table.
2
System™, refer to section 5.8 for low KW heat air-
Above
15KW and
15KW:
below:
800 CFM
600 CFM
1200 CFM
600 CFM
Electric Heat Airflow
1600 CFM
800 CFM
2-ton
3-ton
1800 CFM
800 CFM
800 CFM
1200 CFM
Figure X – On Demand Dehumidification DIP Switch
Airflow Adjustments
3-ton
4-ton
Y1
Y2
Y1
Y2
Y2
Y1
Y2
900
1200
1200 1625 1375 1675
1200 1200 1625 1375 1675
1000 1325
1325 1800 1525 1850
800
1075
1075 1475 1250 1500
900
1200
1200 1625 1375 1675
1075 1075 1475 1250 1500
1200 1200 1625 1375 1675
8
4-ton
1600 CFM
Figure X – DIP switch setting for airflow adjust
Figure X – DIP switch setting for airflow
Cooling and heat pump airflow can be adjusted +/-10% to suit the ins
Cooling and heat pump airflow can be adjusted +/-10% to suit
airflow, set DIP switches 5 & 6 per Table X.X:
airflow, set DIP switches 5 & 6 per Table X.X:
DIP Switch Settings
DIP Switch Settings
2-ton
Position Switch
Switch
Y1
Position Switch
Switch
5
6
5
6
A
A
OFF
OFF
OFF
OFF
625
B
ON
OFF
700
B
ON
OFF
C
OFF
ON
575
C
OFF
ON
D
D
ON
ON
ON
ON
625
Table X.X – Airflow Adjustment Selection Ta
Table X.X – Airflow Adjustment Selec
IMPORTANT: The DIP switches are active only when using conve
IMPORTANT: The DIP switches are active only when using
thermostat. If using serial communications, refer to section 5 for adju
thermostat. If using serial communications, refer to section 5 f
NOTE: Airflow adjustment is active for cooling and heat pump oper
NOTE: Airflow adjustment is active for cooling and heat pum
5-ton
Y1
Y2
Y1
Y2
8
5-ton
1800 CFM
Airflow Adjustments
Airflow Adjustm
2-ton
3-ton
3-ton
4-ton
Y2
Y1
Y2
Y1
Y
Y1
Y2
Y1
Y2
Y1
625
775
775
900
900
1200 1200 162
1200 120
850
1000 1325 1325 180
700
850
1000 1325 132
700
800
1075 1075 147
575
700
800
1075 107
625
775
775
900
900
1200 1200 162
1200 120
23
Hide quick links:
Advertisement
Table of Contents
