Rheem RRNL Installation Instructions Manual page 43

TABLE 11
SWITCH SWITCH
MODEL
9 POSITION 10 POSITION CFM CFM
RRRL-B024 OFF OFF
RRRL-B036 OFF OFF
RRRL-B048 OFF OFF
RRRL-B060 OFF OFF
Selection B: Factory Setting
This is the factory setting and provides cooling airflows as defined in the COOLING AIR-
Y1 Y2
FLOWS section (no reduction in airflow).
Selection C: On Demand Dehumidification
468 680
This selection allows On Demand Dehumidification when using a dehumidifying thermo-
680 1020
stat or humidistat connected to the ODD and "R" pigtails. Nominal airflow is reduced by a
893 1360
preprogrammed amount to maximize latent removal. When high humidity is detected, the
cooling airflow as shown in Table 12.
1063 1573
IMPORTANT: A humidistat or dehumidifying thermostat MUST be connected to the "ODD"
and "R" pigtails when using this setting. Refer to the explanation of On Demand
Dehumidification use for more information.
Selection D: No Adjustment
This selection is the same as the factory setting and provides cooling airflows as defined in
the NOMINAL AIRFLOW ADJUSTMENT section.
ON DEMAND DEHUMIDIFICATION INTERACTIONS WITH AIRFLOW
ADJUSTMENT SETTINGS
On Demand Dehumidification switch settings (9 & 10) override the cooling airflow adjustment
switch settings (3 & 4). The +/-10% adjustments are turned OFF when Selection A (switch 9 &
10 are OFF) or Selection C (switch 9 OFF; switch 10 ON and no signal to ODD terminal) is
used.
TABLE 12
SWITCH
SWITCH 9
RRRL- 10
POSITION
POSITION
B024 OFF ON
B036 OFF ON
B048 OFF ON
B060 OFF ON
ODD Y1 Y2
INPUT CFM CFM
NONE 468 680
24VAC 550 800
NONE 680 1020
24VAC 800 1200
NONE 893 1360
24VAC 1050 1600
NONE 1063 1573
24VAC 1250 1850
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