STULZ CyberRow DX Series Installation, Operation & Maintenance Manual
2.9.3 Outdoor Equipment
The following sections detail fi eld power wiring required for a typical system. Additional conductors may be
required depending on the options purchased with the equipment. Refer to the electrical drawing supplied with
your unit for the appropriate fi eld wiring terminations required specifi cally for your system.
2.9.3.1 Water Cooled Systems (CRS-W Models)
Systems equipped with an internal water cooled condenser do not require fi eld wiring to external components
other than to optional sensors as selected (e.g. Flow Sensors, Remote Supply Air T/H sensor, Air Pressure,
Customer Alarm Inputs).
Figure 7- Interconnecting Field Wiring Glycol Systems
1. PHANTOM WIRES (
) NOT APPLICABLE FOR SINGLE PHASE POWER SUPPLIES.
NOTES:
(TO BE INSTALLED IN ACCORDANCE
(GLYCOL UNITS ONLY)
ELECTRIC
24VAC
PUMP PACKAGE
BOX
SEE NOTE 1
WITH NFPA 70, N.E.C.)
INTERCONNECTING FIELD WIRING
MAIN POWER SUPPLY
208-460V/1PH-3PH/60Hz
DRYCOOLER
L3
L1
L2
WITH NFPA 70, N.E.C.)
INTERCONNECTING FIELD WIRING
(TO BE INSTALLED IN ACCORDANCE
MAIN POWER SUPPLY
208-460V/1PH-3PH/60Hz
L3
L1
L2
SEE NOTE 1
2-12
2.9.3.2 Glycol Cooled Systems (CRS-G Models)
Glycol-cooled systems equipped with a pump package require fi eld wiring between the A/C unit and the pump
package (see Figure 7). The installer must wire two control conductors from the terminal board within the A/C
unit, to the pump package electrical box. Refer to the electrical drawings supplied with your unit for the number
of fi eld wires needed and for the appropriate wire terminations required for your system.
Summary of Contents for CyberRow DX CRS-042-G
Page 94: ......
