Instruction manual

1. Use both high- and low-pressure ports to relieve system
pressure and reclaim remaining refrigerant.
2. Repair leak following accepted practices.
NOTE: Install a bi-flow filter drier whenever the system has been
opened for repair.
3. Check system for leaks using an approved method.
4. Reclaim refrigerant and evacuate refrigerant system to 500
microns if no additional leaks are found.
5. Charge unit with R-22 refrigerant, using a volumetric-
charging cylinder or accurate scale. Refer to unit rating
plate for required charge. Be sure to add extra refrigerant to
compensate for internal volume of filter drier.
II. START-UP ADJUSTMENTS
Complete the required procedures given in the Pre-Start-Up
section before starting the unit. Do not jumper any safety devices
when operating the unit. Do not operate the unit in Cooling mode
Fig. 9—Suggested Rigging
UNIT
MAXIMUM WEIGHT
(INCLUDES SHIPPING SKID)
AB
Size lb kg in. mm. in. mm.
601A018 305 138.4 19.5 495.3 16.75 425.5
601A024 311 141.1 18.5 469.9 16.75 425.5
601A030 309 140.2 19.5 495.3 17.50 444.5
601A036 313 142.0 19.5 495.3 17.75 450.9
601A042 345 156.4 19.5 495.3 17.75 450.9
601A048 375 170.1 20.5 520.7 20.62 523.8
601A060 440 199.6 19.5 495.3 19.75 501.7
602A024 321 145.6 19.0 482.6 18.25 463.6
602A030 342 155.2 20.0 508 19.25 489
602A036 350 158.8 20.0 508 19.0 482.6
602A042 372 168.8 21.0 533.4 20.5 520.7
602A048 377 171.0 20.0 508 21.25 539.8
602A060 450 204.2 21.0 533.4 20.0 508.0
C99075
PLACE RIGGING BRACKET ASSEMBLY IN 4
RIGGING HOLES AND INSTALL TIE DOWN STRAP
AROUND PERIMETER OF UNIT AND THROUGH
SPACE IN BRACKET ASSEMBLY
INSTALL SAFETY STRAPS TO
RIGGING CLEVIS AT 4 RIGGING BRACKETS
TIGHTEN STRAPPING SECURELY
WITH TENSION BUCKLE
SEE DETAIL A
DETAIL A
SCALE 0.250
914-137"
(36"-54")
“A”
“B”
Fig. 11—602A with Duct Covers On
(Unit Shown with Optional Louvered Grille)
C99030
Horizontal Duct Covers
Fig. 12—Condensate Trap
C99013
1” (25mm) MIN.
2” (50mm) MIN.
TRAP
OUTLET
Fig. 17—Control Connections
C99056
Y
C
W2
E
G
R
O
THERMOSTAT
AND SUBBASE
UNIT CONTROL POWER
SPLICE BOX
BRN
WHT
YEL
GRN
RED
ORN
Fig. 18—Line Power Connections
C99057
GROUND LUG
(IN SLPICE BOX)
BLU
YEL
BLK
GROUND
LEAD
SINGLE-PHASE
CONNECTIONS
TO DISCONNECT
PER NEC
3-PHASE
CONNECTIONS
LEGEND
NEC – National Electrical Code
Field Wiring
Splice Connections
NOTE: Use copper wire only.
L1
L3
L2
—16—