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o
Connect BMS system to LOVE controller on terminals 9 (Data -) and 10 (Data +).
o
For connecting the Protocol Convertor to the system, please refer to the ProtoNode Startup
Guide.
3.6
P
-S
C
RE
TART
HECK
Before attempting to start the P-K Duration II system, ensure the following items have been completed.
1.
Inspect the P-K Duration II system for leaks in either the boiler side or domestic side piping. Correct any and
all leaks promptly. If leaks occur at grooved fittings, refer to manufacturer's instructions for more information.
2. Inspect the relief valve discharge piping and ensure this is routed to a nearby floor drain.
3. Ensure there is sufficient clearance around the unit, especially the front for access to control panel.
3.7
S
C
AFETY
HECKS
The following checks of safety systems must be made before putting the P-K Duration II™ system boiler into
normal operation.
safety checks described below.
their proper settings.
3.7.1
Test of Circulation Pumps
Once power has been turned on to the Duration II, ensure the domestic water pump is pumping water in the
correct direction (up).
3.7.2
Test of High Temperature Limit Aquastat
When the Duration II is powered on, adjust the dial on the high temperature limit aquastat to the lowest possible
setting. Allow the Duration II to increase the domestic water temperature. Once the domestic water temperature
exceeds this value, the high temperature limit aquastat should open and trigger the safety circuit. When this
happens, the control valve is immediately disabled will close completely, and the circulating pumps will continue
to run during this time in order to dissipate the heat.
If this does not work, check the wiring on the high temperature limit aquastat and ensure there is no jumper or
other wiring attached to the Duration II safety circuit. If necessary, replace the high temperature limit aquastat.
L
IST
Never attempt to operate a P-K Duration II system that has failed to pass all the
After checking controls by manual adjustment, make sure they are always reset to
P-K DURATION II ™ Indirect Domestic Water Heating System
16
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