Carrier 48TM016-028 User Manual
Page 31
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Step 14 — Install Humidistat for Optional
MoistureMi$er™ Package —
MoistureMi$er dehu-
midification package operation can be controlled by field
installation of a Carrier-approved humidistat. To install the
humidistat perform the following procedure:
1. Locate humidistat on a solid interior wall in the condi-
tioned space. Location should be a well ventilated area
to sense average humidity.
2. Route thermostat cable or equivalent single leads of col-
ored wire from Humidistat terminals through conduit in
unit to the low voltage connection on the 2-pole terminal
strip (TB3) as shown in Fig. 44 and Fig. 45. See Fig. 46
for operational diagram.
Fig. 45 — Typical MoistureMi$er Dehumidification
Package Control Box
Fig. 44 — Typical MoistureMi$er Dehumidification Package
Humidistat Wiring Schematic (460 V Unit Shown)
GRN-YEL
24V
TRAN1
RED
BLK
YEL
ORN
A
C
GRN-YEL
24V
TRAN3
RED
BLK
YEL
ORN
A
C
YEL
BLK
BLK
BLK
TO CRANKCASE
HEATER CIRCUITS
YEL
BLK
21
11
BLK
BLK
TB3
S-LPS1
S-LPS2
LLSV1
LLSV2
1
2
CB4
3.2 AMPS
FACTORY INSTALLED JUMPER
(OR HUMIDISTAT IF USED)
MOISTUREMI$ER
LEGEND
CB
— Circuit Breaker
LLSV — Liquid Line Solenoid Valve
LPS
— Low-Pressure Switch
TB
— Terminal Block
TRAN — Transformer