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4.3.5 - KEYPAD / RCS-TM80BG DISPLAY UNIT CONNECTION
• An RCS-TM80BG type keypad/display to be connected for
maintenance and troubleshooting operations.
Note:
This keypad/display unit must not be used for the installation's
normal operation.
4.3.6 - ROUTING OF CABLES
• To avoid problems related to electromagnetic disturbances, avoid routing control cables near power cables.
• Pass the cables through the cable glands.
• Route the control cables on the right side of the electric board.
• Pass the pilot wire (230 V), if used, on the left side of the electric board.
5 - ACCESSORIES
5.1 - WATER CONNECTION HOSES
• Length 1 m, insulated, female:
- Ø 1" code 70600055 for SPW-W366, 486 and 606.
6 - STARTING
Before carrying out any work on the installation, make sure that it is switched off and that access to it is prevented.
Any work must be carried out by personnel qualified and authorised to work on this type of machine.
Also refer to the installation instructions provided with the outdoor unit.
6.1 - PRELIMINARY CHECKS
6.1.1 - COOLING CIRCUIT
• Refrigeration couplings correctly tightened.
• Both of the outdoor unit's shutoff valves are open.
• integrity of the cooling circuit (per Decree of 7 May 2007).
• Also refer to the verifications indicated in the outdoor unit's installation instructions.
6.1.2 - HYDRAULIC CIRCUIT
• Hydraulic couplings correctly tightened.
• Hydraulic circuit operating correct:
- purge of circuits,
- position of valves,
- hydraulic pressure (2 bar),
• Integrity of the hydraulic circuit.
Power supply
Pilot wire for electric convectors
IMPORTANT NOTE
Bottom view of the indoor unit
A
BUS
B
Outside air temperature sensor
D
ECO signal for remote controls
+
F
Load shedding signal
E
C
Outdoor unit control connection
13
Terminal XB
of the indoor unit
U1 U2 R1 R2 +
Black
GB
White
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