542 Series Ducted Condensing Units; Floor Mounting - Marstair CC 875 Technical Manual

542 SERIES DUCTED CONDENSING UNITS

These units have electronic fan speed control, start delay timer, HP and LP switches and a contactor fitted as
standard; stabilizing brackets are supplied loose .
It is generally preferable to fit the following kits (if applicable), prior to mounting the unit:-
i) PTC kit (Positive Temperature Coefficient resistor)
ii) CSR kit(Capacitor Start Relay).
iii) Isolator.
iv) Overload kit (single phase units only; standard on three phase units).
v) Wall mounting kit.
Consideration should be given to the following, prior to mounting, but should not be fitted until the unit is in position:-
i) Flexible ductwork.
ii) Plenums
iii) Grilles
A bag containing 4 suspension brackets, 8 screws and 2 cable glands is supplied taped to the base of the unit next to
the compressor.
MOUNTING
Units are supplied with a polystyrene packing piece supporting the blower assembly: this MUST be removed prior to
commissioning.
Ducted units are designed to be hung on a wall (brackets available as a kit), suspended from a ceiling (installer
supplied fittings), or to stand on a flat surface. Whichever method is used it is essential that the mounting surface is
capable of supporting the unit's weight.
DIMENSIONS
All dimensions mm
Model A
DCUE 60 1100
DCUE 80 1100

FLOOR MOUNTING

Using the appropriate side of the packing carton as a template, (centres marked A), mark out and drill 4 holes to suit
maximum M8 bolts. Secure the unit to the floor. Discard the 4 stabilizing brackets.
Tel: 01823 665660
Heronhill - for all your Marstair requirements
(return/discharge).
(return/discharge).
B C D E
510 560 1174 490
510 560 1174 490
Fig. 1.
www.heronhill.co.uk
}
for use on
on long pipe runs.
F G H J
65 65 240 392
65 65 240 392
A (mm) B (mm)
1100 510
18
1Ph systems, particularly
K Spigot Ø Weight (kg)
865 404 81
865 404 84
Fax: 01823 665807