Carrier General information and hydronic module, 30RA/30RH, Gb, E N G L I S H, installation

30RA/30RH

General information and hydronic module

E N G L I S H

Unit installation	This is necessary to prevent ice from accumulating on the frame
Read this instruction manual thoroughly before starting the	and to permit correct operation also in the event of heavy
	snowfalls.
installation.	The unit must be levelled on both axes (the tolerance is less than
This unit complies with low-voltage (EEC/73/23) and electro-	2 mm per metre).
magnetic compatibility (EEC/89/336) directives.	• In some cases it may be necessary to fit deflectors against
• The installation must be carried out by a qualified installer.	strong winds and to stop snow from hitting the coil directly.
• Follow all current national safety code requirements.	These deflectors must be installed so that the normal air
In particular ensure that a properly sized and connected ground	circulation is not obstructed.
wire is in place.	Siting the unit
• Check that voltage and frequency of the mains power supply are
those required; the available power must be adequate to operate	Check that:
any other possible appliances connected to the same line.	- The location is able to support unit operating weight (Table I).
Also ensure that national safety code requirements have been	- There is sufficient space for servicing and air flow around the
followed for the mains supply circuit.
	unit (see “Clearances”figure).
• After installation thoroughly test the system operation and
	- The selected site is without dust or foreign material which could
explain all system functions to the owner.
• Leave this manual with the owner for consultation during future	obstruct the coil.
periodic maintenance.	- When installing the unit on the ground, the selected site is not
• Be sure the unit and its components are checked periodically to	subject to flooding.
look for loosen, damaged or broken components.	- The installation is in accordance with local rules and standards
In case of persisting defects, the unit may cause personal injury
	governing the installation of air conditioning equipment.
or property damage.
	- Vibration absorbers have been provided throughout the
IMPORTANT:
	installation to prevent noise from being transmitted.
During the unit installation make first the hydronic	Transport
connections and then electrical connections. If unit is
uninstalled first disconnect electrical cables, then the	1. Use spreader bars to lift the unit to avoid damage to the
hydronic connections.
	panels. Avoid violent movements.
WARNING:	2. Never roll or swing the unit more than 15° .
Disconnect the mains power supply switch before servicing
	IMPORTANT:
the system or handling any internal parts of the unit.
	Ensure that all unit panels are fixed in place before moving
All mains supply circuits must be disconnected.
	the unit. Raise and set down the unit carefully.
• The manufacturer declines any liability for damage resulting from
modifications or errors in the electrical or hydronic connections.	IMPORTANT:
• Failure to observe the installation instructions or use of the unit	Always ensure that the unit is levelled correctly.
under conditions other than those indicated in Tables “Operating
limits”, will immediately void the unit warranty.	Hydronic module
• Failure to observe electric safety codes may cause a fire hazard
in case of short circuits.	The hydronic module is factory-installed.
• Inspect equipment for damage due to improper transportation or	This eliminates the need to install the necessary components
handling: file an immediate claim with the shipping company.	on-site, making the unit more compact and easy to install.
Do not install or use damaged units.

• During unit operation, some of the refrigerant circuit elements
could reach a temperature in excess of 70oC so only trained and		Automatic purge
qualified personnel should access areas protected by access		Pressure gauge for
panels.		hydraulic circuit
• In case of any malfunctioning turn the unit off, disconnect the		static pressure
		Flow switch
mains power supply and contact a qualified service engineer.
		Safety valve
• All of the manufacturing and packaging materials used for
		Arrangement for
your new appliance are compatible with the environment		possible installation
and can be recycled.		of automatic fill kit
• Dispose of the packaging material in accordance with local		option
		Expansion vessel
requirements.
		Mesh filter*
• This equipment contains refrigerant R407-C that must be
		Flow control valve*
disposed of in a proper manner. When disposing of the unit after		Hydronic module
its operational life, remove it carefully. The unit must then be		drain valve
delivered to an appropriate disposal center or to the original		Pump drain plug
equipment dealer.		Pump
• Carefully recover refrigerant within this unit before final disposal	*	Factory-supplied,
or when servicing. Never vent refrigerant to atmosphere.		fit during
		installation
Choosing the installation site
• This unit should not be installed in an explosive atmosphere.
• The unit can operate in normal radioelectric atmospheres in
residential, commercial and light industrial installations.
For other applications, please consult Carrier.
• In the case of heat pump operation with an outdoor temperature
of less than 0 ° C the unit must be installed at least 300 mm
above ground level.
		GB - 5