Trane TR-SCS Series Installation, Operation And Maintenance Manual page 16

Installation
Figure 11. Field wiring
ELECTRIC BOX
MAIN POWER SUPPLY
OPTIONAL CONTROL WIRES
(QUANTITY VARIES)
RECEIVER HEATER WIRES
(IF APPLICABLE -30° F)
Figure 12. Sample Nameplate
Sales Order Number: 440486_210
Model Number: TR-GPS-100-D
Item Number: GPS_SUPERBOM
Serial Number: 10033393
Electrical Data:
: SCCR 1 kA RMS Symmetrical
Voltage: 208 Phase: 3
No. Wires: 4 (Including Ground)
FLA: 91.6
MCA: 98.1
Pump Motor (1): HP: 10
Pump Motor (2): HP:
Drycooler Fan Qty:
Drycooler Fan: HP: 1.5
Minimum Installation Clearance: 0.0 in.
Suitable for Outdoor Use
Date of Manufacture: 06/16
Q.A. Acceptance:
Manufactured by
STULZ Air Technology Systems, Inc.
Frederick, Maryland, USA
NOTICE
Compressor Damage!
Improper wire connections could result in the reverse
rotation of the fan. To correct this problem, exchange
any two of the incoming main power wires at the main
power circuit breaker. Do NOT rewire the unit's
individual components.
16
L1
L2
L3
INTERCONNECTING FIELD WIRING
(TO BE INSTALLED IN ACCORDANCE
WITH NFPA 70, N.E.C.)
Hz: 60
MFS: 110 A
FLA: 26.1
FLA: 26.1
FLA: 6.5
REMOTE AIR COOLED CONDENSER
Identify the options that were purchased with your system
to confirm which field connections are required. The
number of control conductors needed will vary depending
on the options and type of control method being used.
Refer to the electrical drawing supplied with your unit to
determine the total number of interconnecting conductors
required for your equipment and for the proper wire
terminations.
Condenser Enable Feature
As an option, the installer may wire a 2-conductor control
cable between the A/C system and the condenser, so the
system controller may enable the condenser to operate
only when the compressor is running. You must remove
the jumper (X2:1-X2:2) from the remote condenser
terminal board (see the condenser wiring diagram). Wire
24 VAC control conductors from the terminal board within
the A/C unit to the remote condenser terminal board. If
control wires are not installed (and the jumper remains in
place), the condenser is always enabled and will turn on
and off based on the condenser's pressure control switch
setting(s).
The condenser enable feature may be used in high
ambient temperature locations to prevent the condenser
from running unnecessarily. In some cases, outdoor
temperature conditions may raise refrigerant line
pressures high enough to cause the condenser fans to
start operating even if the compressor is not on.
Receiver Heater Wiring
If separate base frame mounted receiver(s) are used for
TR-SCS condensers, it will be necessary to provide a 2-
conductor cable for the heating pad(s). Connect the wires
from the terminals inside the junction box on the receiver
base (see Figure 8, p. 12) to the terminal block in the
condenser electric box. Drill an entrance hole in the
condenser electric box or use an available knock-out if
furnished. See the wiring diagram for the correct wire
terminal positions.
SS-SVX006C-EN