i-SHWAK V4
Inverter air/water chillers and heat pumps with wall-mounted indoor unit and remote condensing outdoor unit
19
Units 14, 14T, 16 and 16
A.
Power supply and signal cables
(remove the rear side cover to get access
to the terminal block)
B.
Gas connections cover
C.
Gas connections
Models
Liquid pipe
Gas pipe
14 / 14T
3/8 SAE
5/8 SAE
16 / 16T
3/8 SAE
5/8 SAE
8.4.3
Drainage system connection
8.4.3.1
Indoor unit
The connection of a condensate drainage system is not necessary for the indoor units since all pipes and cold components are
insulated with closed-cell foam of an adequate thickness.
8.4.3.2
Outdoor unit
All the outdoor units have been designed in a way to use their own basement as a drain pan.
x
Locate the hole at the basement of the unit between the
finned coil and fan, A.
x
Connect to the hole the provided fitting joint, B.
x
Connect a hose to the nozzle of the supplied fitting joint.
x
Direct the hose into the disposal place for condensate
water.
x
Keep a sufficient slope to ensure the smooth flow of
condensate water.
8.4.4
Installation of the relief valve discharge pipe
On the basis of the indoor unit there is a pipe connector attached to the relief valve on the plant side to ensure the proper
discharge of the water when the relief valve opens in case of overpressure (for the position, please refer to section 8.4.2).
x
Connect a rubber pipe to the connection disposed on the unit, see connection positions.
•
Secure it with pipe clamp.
•
Direct the hose towards an appropriate location for unloading.
•
A sufficient slope should be maintained to ensure the smooth flow.
•
Do not "strangle" the pipe.
•
Check for proper water drainage
8.4.5
Plant circuit loading
WARNING: Verify all the loading/topping up operations.
WARNING: Before beginning the loading/topping up operation of the plant circuit, disconnect the unit for the
electric power supply.
WARNING: The loading/topping up of the plant circuit must always be done under controlled conditions of
pressure (max 1,5 bar). Make sure that you have installed on the line of loading/topping up a pressure reducer and
a relief valve as indicated in the Paragraph 8.5.
WARNING: The water on the loading/topping up pipe must be suitably pre-filtered from any impurities and
suspended particles. Make sure that you have installed a cartridge filter removable as indicated in Paragraph 8.5.
WARNING: In this case both the accessory VDIS1, before proceeding to the loading/topping up
of the plant circuit,
place in mid-travel the three-way valve of the indoor unit by actuating the black lever. Restore the normal position
of the black lever after finishing the loading/topping up operation of the plant circuit.
WARNING: Before beginning the loading /topping up operation, unscrew the plugs of the air vent valves (one on
MP models and two on MPR models). Tighten the plugs after finishing the operation of loading/topping up of the
plant circuit system.
A
B
