Honeywell CENTRA LINE MERLIN NX Series Installation & Commissioning Instructions

MERLIN NX Room Controller
GENERAL INFORMATION
Fig. 1. CLMERxxN (without optional covers)
OS no.: power
CLMER... supply
RL4N 230 VAC
RL6N 24 VAC
RL8N 230 VAC
RS4N 230 VAC
RS5N 24 VAC
(A See also section "Relay Outputs" on pg. 22.
(B See also section "Triac Current Limitations" on pg. 22.
(C Of this model's six UIs, only two UIs support NTC; this model is thus not suitable for the hardwiring of wall modules requiring
three UIs supporting NTC.
(D This model's four binary-only inputs are labelled as UI1-UI4.
CPU: 32-bit MK24FN Freescale Kinetis Cortex M4
® U.S. Registered Trademark
Copyright © 2020 Honeywell Inc. • All Rights Reserved
Installation &
Commissioning
Instructions
Table 1. Overview of models
AOs UIs BIs relays
6 10 0 4
6 10 0 4
6 6 (C 4 (D 4
4 4 0 4
4 4 0 4
BEFORE INSTALLATION
IMPORTANT
It is recommended that the unit be kept at room
temperature for at least 24 hours before applying
power; this is to allow the evaporation of any
condensation resulting from low shipping / storage
temperatures.
US requirement, only: This device must be installed in
a UL-listed enclosure offering adequate space to
maintain the segregation of line voltage field wiring
and Class 2 field wiring.
CAUTION
To avoid electrical shock or equipment damage, you
must switch OFF the power supply before attaching /
removing connections to/from any terminals.
total no.
(A triacs (B
of I/Os
4 24 24-hr data retention
4 24 24-hr data retention
24-hr data retention; supports switch
inputs with 24 V pull-up for connection of
4 24
standard light switches; preferred model
for light and blinds control
2 14 24-hr data retention
2 14 24-hr data retention
remarks
EN1Z-1035GE51 R0420