Cable Connection; Connecting Input Plug & Loads - Emerson SolaHD S4K2U-5C Series User Manual

Figure 14: Insert the UPS
10. Through the ears, use m5 screws provided in this kit to secure the front of the UPS to the rack vertical rails to prevent
the UPS from sliding out of position.
11. if optional external battery cabinets are connected to the UPS, they can be placed all on one side of the UPS or
stacked beneath the UPS. The installation procedures are the same as those of the UPS.
NOTE: This UPS may be provided with a maximum of six extension battery cabinets. Each cabinet will increase the battery
recharge time.

2.5 Cable Connection

The S4K2U-5C rear panel has input and output receptacles. refer to "1.3.2 rear Panel Features" for details. The battery
cables are supplied with the battery cabinet.
2.5.1 Connecting Input Plug & Loads
NOTE: Ensure that all the loads are turned off. Prepare an input power supply that is properly protected by a circuit
breaker in accordance with national and local electrical codes. The wall receptacle must be grounded. SolaHD recom-
mends installing an upstream circuit breaker of the same series as the S4K2U-5C's input circuit breaker. The upstream
breaker should be the same or higher capacity than the UPS input circuit breaker.
The specification of input circuit breaker on the rear panel of UPS is shown in Table 2:
Table 2: Input Circuit Breaker Specification
Model
S4K2U1000-5C
S4K2U2000-5C
S4K2U3000-5C
1. Plug all loads into the output receptacles on the rear panel of the S4K2U-5C. Distribute the loads evenly across all
receptacles to prevent overloading individual receptacles.
2. Plug the input receptacle of the S4K2U-5C into the input power connection. For model S4K2U3000-5C, use a UL Listed,
3-conductor, 14 AWG minimum, 1.5 m minimum/4.5 m maximum length detachable power cord rated VW-1, 250 V ac,
105°C minimum with a molded-on 250 V, 20 A nEmA L6-20P receptacle. Use Cord Types: SP-2, SP-3, SV, SVE, SVO, SVOO,
SVT, SVTO SVTOO, SPE-2, SPT-2, niSP-2, niSPE-2, niSPT-2, SPE-3, SPT-3, SJ, SJE, SJO, SJOO, SJT, SJTO, SJTOO, S, SE, SO, SOO,
ST, STO, or STOO.
Insert
Inner Member
Rated Circuit Breaker
10 A
16 A
16 A
For nEC/CEC Applications: 20 A
S4K2U-5C SEriES USEr mAnUAL | 21
Front Member