Preliminary Operations; Inspection; Handling; Operating Limits - Liebert himod Service Manual

1 − Preliminary operations
1.1 −

Inspection

On receiving the equipment immediately check its
condition; report any damage to the transport compa-
ny at once.
1.2 −

Handling

S Always keep the unit vertically upright and do not
leave it out in the open.
S If possible transport the unit using a fork lift truck;
otherwise use a crane with belts or cables, avoiding
pressing on the top edges of the packing.
1.3 −

Operating limits

The units are designed to operate within working
ranges (see Tab. 1).
These limits are referred to new machines or to those
that have been correctly installed and serviced.
The warranty clauses are no longer valid for any pos-
sible damage or malfunction that may occur during or
due to operation outside the application values.
Tab. 1 − Operating limits
Room conditions Room conditions
Voltage tolerances
UNDER
English
from: 18°C, 45% R.H.
to: 27°C, 55% R.H
standard 400V 10%/3/50
208B230V ± 10%/3/60
380V ± 10%/3/60
optional
460V ± 10%/3/60
HIMOD−C
1.4 −

Identification

The air conditioner can be identified according to the
following nomenclature:
Model
Air distribution:
U = Under (downflow)
O = Over (upflow)
Cooling circuit:
A = air−cooled
W = water−cooled
C = chilled water
F = Freecooler
D = Dualfluid (air−cooled)
H = Dualfluid (water−cooled)
To view the Service Manual HIMOD version
A/W/F/D/H, refer to the Manual code 272157
Hot water heating coil Hot water heating coil
Chilled water coil Chilled water coil
Storage conditions
OVER
27 U C
inlet water
max. 85°C
temperature
water pressure max. 8.5 bar
inlet water
min. 5°C
temperature
water pressure max. 16 bar
from: − 20°C
to: 50°C
1