MAXA ADVANTIX i-SHWAK V4 06, Руководство пользователя

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i-SHWAK V4
Inverter air/water chillers and heat pumps with wall-mounted indoor unit and remote condensing outdoor unit
27
For connecting the terminals I-, I+ and GNDR, t’s recommend to use a shielded twisted -pair multipolar cable 5x0.75mm
2
.
8.7.3 Wiring between indoor and outdoor units
The indoor unit must be connected to the outdoor unit respecting the below table.
Indoor unit terminal block Outdoor unit terminal block
I+ I+
I- I-
E+ R+
E- R-
GNDR GNDR
WARNING: Do not confuse on the terminal block of the outdoor unit between the terminals GND (protective earth of
the power supply) with GNDR (ground reference for Modbus connection).
In addition, the shielding of the twisted pair for Modbus signal must be connected at one end to ground terminal
(protective earth terminal) of the unit.
8.7.4 Removal of the outdoor unit’s top cover fo r getting access to the terminal block and electric box
The following illustration shows the procedure for removing the front-right side panel in order to reach the terminal block in the
models 14 and 16.
1. Remove the screws connecting the top plate. Two for each side of the unit and
other two crews connecting the top plate with the hole-cable plate holder. (For
the small sizes, there is only one fixing screw in the controller’s lateral part of the
unit)
2. Remove the screws connecting the cover plate of the electric box then proceed to
connect wire to the terminal block.
3. Insert the cables PG cable glands located on the side of the unit to take them
outside the unit
4. Close the electric box and the top panel of the unit with their fixing screws.
The above operations must be done after turning off the unit and
disconnecting it from the power supply (by mean of an appropriate
disconnecting switch which should be already mounted by the installer).
Operations to be performed by qualified personnel.
Remove the top cover without taking away the holder of hole-cabe plate.
The work is completed, please fix all the removed plates then tighten all
screws and washers (if expected).
Note: All the pictures in this manual are for explanation purpose only. They may be slightly different from the unit you purchased. The actual
shape shall prevail.
8.7.5 Safety thermostats
When the ELECTRIC HEATER kit is present (only for the E-heaters of 2, 3, 4,5 kW), there are 2 thermostats installed on the electric
heater collector:
A. Manual reset thermostat:
x
Opening 100±3°C;
x
Manual rest: follow the procedure in the Paragraph 22.1 to
remove the front panel, with an isolated screwdriver,
press the button (A) located at the middle of the
thermostat in order to reset it manually.
B. Automatic reset thermostat:
x
Opening 80±3°C;
x
Automatic reset 63±6.5°C
9 START UP
Before start-up
x
Ensure the availability of diagrams and manuals of the installed appliance.
x
Check the availability of diagrams electrical and hydraulic diagrams of the plant where the appliance is connected.