12
8.1 - PRELIMINARY CHECKS
• Make sure:
- That the refrigerant fittings are correctly tightened and
that the two shut-off valves are open.
- That there are no leaks.
- That the air handler and the condenser unit are well
fixed.
- That the power cables are well fixed to their connection
terminals. Loose terminals can cause heat build-up on
the terminal board.
- That the electric cables are properly insulated from
any pieces of sheet or metal parts which could damage
them.
- That the unit is connected to earth.
- That no tools or any other objects have been left in the
units.
- That the filter is correctly fitted.
- That the condensate discharge outlet is correctly
connected.
8 - STARTING
IMPORTANT
Before doing any work on the installation, make sure it is switched off and put out of bounds.
All operations must be carried out by personnel that are approved and qualified for this type of equipment.
8.2 - SWITCH ON THE UNIT
• Using the isolation and protection device.
8.3 - START THE UNIT
• Using the remote control.
- Set the temperature using the thermostat.
- Set the dehumidification threshold using the
humidistat (if any).
8.4 - EXTERNAL UNIT FAN
• The GRV version L units have an all-season adjustable
fan speed system standard equipment.
- On the GRV 72 L and 92 L units, fan motor speed
varies according to the outside temperature.
- On the GRV 180 L and 220 L units, fan motor speed
varies according to the pressure of condensation and
the outside temperature.
7 - CONNECTING ACCESSORIES
Length
Code
K 70 A 02 AT
K 70 A 04 AT
K 70 A 08 AT
K 70 A 12 AT
K 70 A 15 AT
Unit
CSCV 152 LL
CSCV 202 LL
7.1 - REFRIGERANT CONNECTIONS
• These connections include 2 insulated refrigeration lines.
• NOTE: The electric power cable supplied with the connection accessories is 2.5 mm
2
.
Check the cable sizes indicated in paragraph 4.3.
2 m
4 m
8 m
12 m
15 m
Length
Code
K 70 A 004 T
K 70 A 005 T
K 70 A 006 T
K 70 A 017 T
Unit
CSCV 302 LL
CSCV 402 LL
2 m
4 m
8 m
12 m
7.2 - COMPLETE CONNECTION ASSEMBLIES
• These include:
- the refrigeration lines,
- the electric cables,
- a condensate tube.
• NOTE: The electric power cable supplied with the connection accessories is 2.5 mm
2
.
Check the cable sizes indicated in paragraph 4.3.
Length
Code
Unit
CSCV 152 LL
CSCV 202 LL
2 m
4 m
8 m
12 m
15 m
K 70 A 02 AT
+ K 70 A 02 XT
K 70 A 04 AT
+ K 70 A 04 XT
K 70 A 08 AT
+ K 70 A 08 XT
K 70 A 12 AT
+ K 70 A 12 XT
K 70 A 15 AT
+ K 70 A 15 XT
Length
Code
Unit
CSCV 302 LL
CSCV 402 LL
2 m
4 m
8 m
12 m
15 m
20 m
K 70 A 02 BT
+ K 70 A 02 XT
K 70 A 04 BT
+ K 70 A 04 XT
K 70 A 08 BT
+ K 70 A 08 XT
K 70 A 12 BT
+ K 70 A 12 XT
K 70 A 15 BT
+ K 70 A 15 XT
K 70 A 20 BT
+ K 70 A 20 XT
