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GROUND
SINGLE-PHASE
L1
CONNECTIONS
TO DISCONNECT
L2
PER NEC
L3
3-PHASE
CONNECTIONS
NOTE: Use copper wire only.
LEGEND
NEC – National Electrical Code
Field Wiring
Splice Connections
Fig. 17—Line Power Connections
(3.) SYSTEM TYPE-Factory selected HP-EFF (for unit
604B).
(4.) AC/HP CFM ADJUST-Select HIGH for 042 &
048, NOM for 036 & 060, and LO for 024 & 030.
(5.) ON/OFF DELAY-Select 0/90 profile.
(6.) CONTINUOUS FAN-Select desired fan speed
when thermostat is set to continuous fan.
i. COMFORT OPTIONS—SUPER DEHUMIDIFY (See
Quick Reference Guide)
The Super Dehumidify option is possible when this unit
is installed with a field supplied Thermidistat™ control
(Super Dehumidify does not require an outdoor tempera-
ture sensor). The following configuration is recom-
mended for maximum cooling/dehumidifying comfort:
This configuration will improve the comfort provided by
the air conditioning system if more humidity removal is
HIGH VOLTAGE
POWER LEADS
(SEE UNIT WIRING
LABEL)
GND
CONTROL BOX
LOW-VOLTAGE
POWER LEADS
(SEE UNIT
WIRING LABEL)
SPLICE BOX
LEGEND
Field Control-Voltage Wiring
Field High-Voltage Wiring
Fig. 16—High and Control Voltage Wiring Connections
GROUND LUG
(IN SLPICE BOX)
LEAD
BLK
YEL
BLU
C99057
POWER
SUPPLY
FIELD-SUPPLIED
FUSED DISCONNECT
BLK(DH)
DHUM
YEL(Y)
Y
THERMOSTAT
GRN(G)
(TYPICAL)
G
RED(R)
R
BRN(C)
C
WHI(W1)
W1
GRA(W2)
W2
ORN(0)
O
24 V Circuit Breaker
24 Volt Compartment
Fig. 18—Control Wiring Plate
desired. While providing this improved comfort, the
system will operate efficiently, but not at the published
HSPF or ARI SEER efficiency.
The following system configuration is recommended for
maximum heating and cooling/dehumidifying comfort
(See Fig. 20–22).
(1.) AUX HEAT kW/CFM-Select the narrowest heater
range to match size of electric heater installed (skip
this step if no heater is installed).
(2.) AC/HP Size-Factory selected to match system size
installed, please verify.
—15—
C01028
C99070
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