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WSV6 VERTICAL SERIES - IOM
58 WSV6 Vertical Series – IOM
STARTUP INSTRUCTIONS CONTINUED
PRIOR TO THE STARTUP OF THE UNIT:
9. Check that the water coil and piping had been leak
checked and insulated as required.
10. Ensure that all air has been vented from the water
coil.
11. Make sure that all electrical connections are tight
and secure.
12. Check the electrical overcurrent protection and
wiring for the correct size.
13. Verify that the low voltage wiring between the
thermostat and the unit matches the wiring
diagram.
14. Verify that the water piping is complete and
correct.
15. Check condensate overflow sensor for proper
operation and adjust position if required. Ensure
that power is connected to the unit and the local
disconnect is switched to ON position.
UNIT STARTUP:
1. Turn the disconnect switch to ON position.
2. Check for 24 volt from control transformer.
Controller module LED should light up. If not, the
power supply lines are out of phase. Turn of the
main power disconnect to the unit off and change
the phase.by switching any two incoming wires.
3. Set the thermostat to the lowest position. Turn
the system switch to “COOL” and the fan switch to
“AUTO” position. The reversing valve should
energize.
4. After 5 minutes (anti-short cycle protect delay),
the fan start at low speed and the compressor is
running.
5. Make sure that compressor rotation is correct. If
not, turn the power off and make the correction.
This is 3-phase unit. Switching compressor rotation
could be done by switching any two of compressor
wires.
6. Turn the thermostat system to “OFF” position. The
unit should stop running and the reversing valve
de-energizes.
7. Leave the unit off for approximately 5 minutes to
allow the system pressures to equalize. Anti-short
cycle feature built in the system will keep the
compressor off for 5 minutes.
8. Set the thermostat to the highest setting. Turn the
system switch to “HEAT” position.
9. Verify that the unit is operating to the heating
mode.
10. Set the thermostat to maintain the desired space
temperature.
11. Check for vibrations, leaks, etc.
12. Verify water flow rate is correct according to
specification. Adjust if necessary. If specification is
not available, the nominal flow rate for this unit is
25 GPM.
13. Instruct the owner on the unit and thermostat
operation.
STARTUP & PERFORMANCE
CHECKLIST INSTRUCTIONS
The warranty may be void unless the FIGURE 28 – Startup &
Performance Checklist. is completed and returned to the
warrantor. If the WSV6 unit is not installed properly, the
warranty will be void, as the manufacturer cannot be held
accountable for problems that stem from improper
installation.