Carrier WeatherMaster 50HC14 Installation Instructions Manual page 23

To connect the Carrier humidistat (HL38MG029):
1. Route the humidistat 2-conductor cable (field-supplied)
through the bushing in the unit's louvered end panel (see
Fig. 39).
2. Route the cable through the snap-in wire tie and up to the
web bushing near the control box.
3. Feed the cable through the bushing and into the bottom
left side of the control box after removing one of the two
knockouts in the corner of the box. Use a connector to
protect the cable as it enters the control box.
4. Use the connector and the wire tie to reduce any slack in
the humidistat cable to ensure that it will not be damaged
by contact with the condenser coil (see Fig. 39).
5. Use wire nuts to connect humidistat cable to two PINK
leads in the low-voltage wiring as shown in Fig. 46).
To connect the Thermidistat device (33CS2PPRH-01):
1. Route the Thermidistat multi-conductor thermostat cable
(field-supplied) through the bushing in the unit's lou-
vered end panel (see Fig. 39).
2. Route the cable through the snap-in wire tie and up to the
web bushing near the control box
3. Feed the cable through the bushing and into the bottom
left side of the control box after removing one of the two
knockouts in the corner of the box. Use a connector to
protect the cable as it enters the control box.
4. Use the connector and the wire tie to reduce any slack in
the thermostat cable to ensure that it will not be damaged
by contact with the condenser coil (see Fig. 39).
5. The Thermidistat has dry contacts at terminals D1 and
D2 for dehumidification operation (see Fig. 47). 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 Pro Thermidistat device for more infor-
mation.
Fig. 44 — Accessory Field-Installed Humidistat
% RELATIVE HUMIDITY
Fig. 45 — Edge Pro Thermidistat
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