05
LO-LINE RC & LO-LINE RC Heater Cooler
7.0 Water Connections
G
Connect unit to system flow and return pipes using the two
15mm isolating valves (see fig. 3).
Note:
To ensure effective venting of the heat exchanger the flow
pipe should be connected to the bottom connection of the heat
exchanger.
Note:
For LO-LINE installations pipe-work must not be routed
directly underneath the unit as this will adversely affect the
operation of the integral room thermostat.
If this cannot be
avoided, the pipe-work must be boxed to prevent heat rise.
G
Ensure system is flushed in accordance with recognised best
practice and a suitable inhibitor is added to the system as
necessary.
G
Open valves fully, check pipe connections for leaks and vent
the heat exchanger - see Commissioning Procedure.
LO-LINE Heater-Cooler installations with chilled water will
require provision for condensate disposal in accordance with any
local regulations.
A drain tray is fitted for condensate collection within the unit.
This should be connected to a 15mm drain pipe.
Note:
External pipe-work carrying chilled water must be
insulated. Use a suitable sealant as necessary to ensure that
condensate does not spill or leak. Once connection to the
system flow and return pipes is made, any exposed internal
15mm pipework and isolating valves must be insulated.
57
99
68
19
1
72
99
57
Fig. 3
5
.0
6
.0
7
.0
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