Important: Retain these instructions
by Honeywell
HO
2
!
These instructions shall be used by trained service
personnel only. If the equipment is used in a manner not
specied by these instructions, the protection provided by the
equipment may be impaired.
CONTENTS
Installation Guide
MLSUC500 / 1250
1 Box Contents .................................................................1
2 Storing ...........................................................................1
3 Installation .....................................................................1
4 Field Maintenance .........................................................4
5 Disposal .........................................................................4
1 BOX CONTENTS 2 STORING
Unit with door open
MLSUC500 / 1250
Installation
Enclosure
Instructions - Mounting
(32340084-001)
and enclosure
mounting instructions.
-40°C
+85°C
3 INSTALLATION
ATTE NTION : Observe precautions for handling
electrostatic sensitive devices.
It is recommended that the installation should comply
with the local electrical safety installation practices (e.g.
HSE Memorandum of Guidance on Electricity at Work
Regulations 1989, USA National Electric Code).
WARNING: Contains no serviceable parts. Do not
attempt to open the unit. Failure to comply may
cause damage to the unit.
5
95%RH
1
300 mm (11.75”)
MLSUC500 / 1250 Installation Guide 32340084-001 Rev A, 24-Aug-2018. MU1B-0638GE51 R0718A 1
185 mm (7.25”)
MLSJ8
MLS spine terminals
335 mm (13.25”)
300 mm (11.75”)
MLS circuit breaker
MLS PSU
Allow
Cover clearance
MLS power terminals
Dimensions & Clearances (including optional expansion modules)
MLSUC500 / 1250 Installation Guide
HO
2
3 INSTALLATION (continued)
2
Mounting Requirements
-20°C
Altitude <2000m (6562’)
Pollution degree 3
+60°C
Mount MLSUC500 / 1250
5
3
95%RH
Ensure that the enclosure keeps the MLSJ8 within its
required operating temperature range (considering a 24-watt
dissipation).
Do not mount the unit:
▪ in an area with excessive moisture, corrosive fumes, or
explosive vapours.
▪ where vibration or shock is likely to occur.
▪ in a location subject to electrical noise
The MLSUC500 / 1250 can be wall mounted by xing the
supplied wall mounting lugs to the corner holes on the rear
side as described in the supplied enclosure xing instructions.
4
Alternative xing positions
in four places
Connect Power
Mains
Input
Green/Yellow
Blue
Brown
The entry for the power wiring can be made by drilling a
conduit of around 20mm at the bottom or either side of the
enclosure.
The power wiring must be terminated at the MLS power
terminals and circuit breaker and terminal blocks. The MCB
and the terminal blocks are prewired to the MLSJ8 PSU in
the f actor y.
Note: the MLS circuit breaker and MLS PSU are pre wired
to the MLSJ8.
DO NOT SWITCH ON POWER
O
I
2 MLSUC500 / 1250 Installation Guide 32340084-001 Rev A, 24-Aug-2018. MU1B-0638GE51 R0718A
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