11
ENGLISH
[a] Standard connections according to WRAS regulations in
U.K.
* When selecting a cooling tower, refer to the following peak values
of heat flow in the condenser:
Model IM-240AW:
5235 W
* Pipes between the cooling tower and the icemaker should be
at least 20 mm DIA to reduce pressure loss, even though the
icemaker fittings are 13 mm DIA.
* Pressure loss in the water circuit inside the unit will be 5 to 6 m
when the cooling water flows at the ratio of 4 to 5 lit/min.
* Select a circulating pump referring to the above values of heat
flow.
* Do not use a cascade pump, or the water regulator will vary the
flow and stop it during the defrost cycle.
[Icemaker Connections]
1) Attach the angled end of flexible inlet hose (accessory) to the
G3/4 fitting on the rear of the icemaker as indicated, ensuring
rubber sealing washer is correctly positioned. Hand tighten
sufficiently to provide leak free joint.
2) Attach the other end of inlet hose to the water tap, noting washer
is correctly positioned before hand tightening as above.
Note: If filtration or treatment is used, ensure icemaker section
only is on treated water supply, not the condenser.
3) Attach grey flexible outlet hose (accessory) to the R3/4 fitting on
the rear of the icemaker as indicated, confirming fitment of rubber
washer before finally hand tightening the joint. The hose can be
cut to length as necessary to suit position of main drain.
4) By means of a suitable spanner or wrench, tighten the 1/2-
3/4 nipples (accessory) into the Rc1/2 fittings on the rear of the
icemaker as indicated. P.T.F.E. tape and/or a suitable sealing
compound should be used to obtain a leak free joint.
Note: Jointing compounds should be approved and suitable for
potable water use.
5) Connect the condenser cooling circuit to the free end of 1/2-3/4
nipples as indicated using a suitable rigid type pipe.
[b] Connections according to regulations other than WRAS by
utilising accessory hoses
1) Follow the instructions from 1) to 4) in [a] above.
2) For condenser connections, use supplied accessory hoses and
make the same connections as 1) to 3) in [a] above to the free
end of 1/2-3/4 nipples as indicated.
10. START-UP PROCEDURE
1) Open the water tap.
2) Connect the power supply and energise.
3) The display indicates “on”.
Icemaker
Cooling
Tower
Flow Control Valve
Strainer
Pump
P
Potable Water
Inlet G3/4
Inlet Hose
Drain Outlet R3/4
Outlet Hose
Cooling Water
Inlet Rc1/2
Cooling Water
Outlet Rc1/2
1/2-3/4 Nipple
Condenser Cooling Circuit
Icemaker
Bin
Water-Cooled Model [a]
Potable Water
Inlet G3/4
Inlet Hose
Outlet Hose
Drain Outlet R3/4
Cooling Water
Inlet Rc1/2
Cooling Water
Outlet Rc1/2
1/2-3/4 Nipple
Icemaker
Bin
Outlet Hose
Water-Cooled Model [b]
