Installation – Alpha Technologies CESC-3X User Manual

Page 7

2. Installation

031-099-C1-001 Rev. A

240VAC Service

(XM Series 2 915-240 Power Supply; XM Series 2 922-
48 for UPE-4 and UPE-8): Enclosures used with the XM

Series 2 915-240 or 922-48 are equipped with a 240VAC

duplex receptacle to provide power to the power supply

and peripheral equipment. The receptacle, NEMA 6-

15R, is protected by a single, 2-pole, common trip 15

Amp circuit breaker located inside the service entrance.

Wiring is typically 14AWG per NEC code, a grounding

clamp, located on the enclosure, facilitates dedicated
grounding.

120VAC 20A Service

(XM Series 2 915-120 Power Supply): Enclosures used
with the XM Series 2 915-120 are equipped with a

120VAC duplex receptacle to provide power to the

power supply and peripheral equipment. The receptacle,

NEMA 5-20R, is protected by a single, 2-pole, common

trip 20 Amp circuit breaker located inside the service

entrance. Wiring is typically 12AWG per NEC code, a

grounding clamp, located on the enclosure, facilitates
dedicated grounding.

120VAC 15A Service

(XM Series 2 615): Enclosures used with the XM Series
2 615 are equipped with a 120VAC duplex receptacle

to provide power to the power supply and peripheral

equipment. The receptacle, NEMA 5-15R, is protected

by a single-pole, 15 Amp High Magnetic circuit breaker

located inside the service entrance. Wiring is typically

14AWG per NEC code, a grounding clamp, located on
the enclosure, facilitates dedicated grounding.

NOTE:

Alpha recommends wiring with 12AWG, in case the enclosure

is to be upgraded to use 90V power supplies in the future.

2.2

Utility Power Connection, continued