Carrier 50TC-A04 - Humidi-Mizer <N_ C Ontrol Connections; Humidi-Mizer - Space RH Controller

Humidi-MiZer @ Control Connections _"
Humidi-MiZer - Space RH Controller i
NOTE: The Humidi-MiZer is a factory installed option
which is available for 07 models only.
NOTE: The Humidi-MiZer is a factory installed option.
Humidi-MiZer is not available for size 04-06 single
phase (-3 voltage code) models.
The Humidi-MiZer dehumidification system requires a
field-supplied and -installed space relative humidity
control device. This device may be a separate humidistat
control (contact closes on rise in space RH above control
setpoint) or a combination thermostat-humidistat control
device such as Carrier's EDGE (n_Pro Thermidistat with
isolated contact set for dehumidification control. The
humidistat is normally used in applications where a
temperature control is already provided (units with
PermierLink TM control).
To connect the Carrier humidistat (HL38MG029):
1. Route the humidistat 2-conductor cable (field-sup-
plied) through the hole provided in the unit corner
post.
2. Feed wires through the raceway built into the corner
post (see Fig. 26) to the 24-v barrier located on the
left side of the control box. The raceway provides the
UL-required clearance between high-voltage and
low-voltage wiring.
3. Use wire nuts to connect humidistat cable to two
PINK leads in the low-voltage wiring as shown in
Fig. 34.
To connect the Thermidistat device (33CS2PPRH-01):
1. Route the Thermidistat multi-conductor thermostat
cable (field-supplied) through the hole provided in
the unit corner post.
2. Feed wires through the raceway built into the corner
post (see Fig. 26) to the 24-v barrier located on the
left side of the control box. The raceway provides the
UL-required clearance between high-voltage and
low-voltage wiring.
3. The Thermidistat has dry contacts at terminals DI
and D2 for dehumidification operation (see Fig. 35).
The dry contacts must be wired between CTB
terminal R and the PINK lead to the LTLO switch
with field-supplied wire nuts. Refer to the installation
instructions included with the Carrier Edge
Thermidistat device (Form 33CS-65SI or latest) for
more information.
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C09295
Fig. 32 - Accessory Field-Installed Humidistat
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outside temp
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Fig. 33 - EDGE Pro Thermidistat
C09296
EconoMi$er X (Factory-Installed Option) i
For details on operating 50TC units equipped with the
factory-installed EconoMi$er X option, refer to
Factory-Installed Economizers for TCTTCQ/HCTHCQ/
LC/KC/KCQ Rooftop Units, 3 to 27.5 Nominal Tons.
Economizer Supplement Related to California Title 24
(Catalog No. SUP-TI24-02SI, or later).
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