Honeywell MRP-2001E Benutzerhandbuch

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Power-limited Wiring Requirements
Installation
MRP-2001 & MRP-2001E   PN 53040:A  4/16/2007
25
2.5 Power-limited Wiring Requirements
Power-limited and nonpower-limited circuit wiring must remain separated in the cabinet.  All 
power-limited circuit wiring must remain at least 0.25” (6.35 mm) away from any nonpower-
limited circuit wiring.  Furthermore, all power-limited and nonpower-limited circuit wiring must 
enter and exit the cabinet through different knockouts and/or conduits.  A typical wiring diagram is 
illustrated below.  
Figure 2.10 Typical UL Power-limited Wiring Requirements
Power-limited Circuits
(Class 2)
Power-limited 
Circuits
(Class 2)
Nonpower-
limited 
Circuit
AC Power
120 VAC
Hot (L1)
Ground
Neutral (L2)
CAC-5X
RP
2001U
Lwire.c
d
r
4XTMF
CAC-5X
earth
ground
Power-limited Circuits (Class 2)
Nonpower-
limited 
Circuit
Power-limited 
Circuit
(Class 2)
Deluge - Preaction Control FACP
Nonpower-limited Circuits*
*Note: In certain applications, an NAC (power-limited circuit) could be adjacent 
to a releasing circuit (nonpower-limited without supervision kit REL-4.7K)