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SM Series Heat Pump
SYSTEM CHECKOUT
After completing the installation, and before energizing
the unit, the following system checks should be made:
1.
Verify that the supply voltage to the heat pump is in
accordance with the nameplate ratings.
2.
Make sure that all electrical connections are tight
and secure.
3.
Check the electrical fusing and wiring for the correct
size.
DANGER: Ensure cabinet and Electrical Box
are properly grounded.
4.
Verify that the low voltage wiring between the
thermostat and the unit is correct.
5.
Verify that the water piping is complete and correct.
6.
Check that the water flow is correct, and adjust if
necessary.
7.
Check the blower for free rotation, and that it is
secured to the shaft.
8.
Check power and communication plug on blower
motor.
9.
Verify that vibration isolation has been provided.
10. Unit is serviceable. Be certain that all access panels
are secured in place.
Considerations:
•
Always check incoming line voltage power supply
and secondary control voltage for adequacy.
Transformer primaries are dual tapped for 208 and
230 volts. Connect the appropriate tap to ensure a
minimum of 18 volts secondary control voltage. 24
volts is ideal for best operation.
•
Long length thermostat and control wiring leads
may create voltage drop. Increase wire gauge or up-
size transformers may be required to ensure
minimum secondary voltage supply.
•
FHP recommends the following guidelines for wiring
between a thermostat and the unit: 18 GA up to 60
foot, 16 GA up to 100 ft and 14 GA up to 140 ft.
•
Do not apply additional controlled devices to the
control circuit power supply without consulting the
factory. Doing so may void equipment warranties.
•
Check with all code authorities on requirements
involving condensate disposal/over flow protection
criteria.
UNIT START-UP
1.
Set the thermostat to the highest setting.
2.
Set the thermostat system switch to "COOL", and
the fan switch to the "AUTO" position. The reversing
valve solenoid should energize. The compressor and
fan should not run.
3.
Reduce the thermostat setting approximately 5
degrees below the room temperature.
4.
Verify the heat pump is operating in the cooling
mode.
5.
Turn the thermostat system switch to the "OFF"
position. The unit should stop running and the
reversing valve should de energize.
Revised 07-17
6.
Leave the unit off for approximately (5) minutes to
allow for system equalization.
7.
Turn the thermostat to the lowest setting.
8.
Set the thermostat switch to "HEAT".
9.
Increase the thermostat setting approximately 5
degrees above the room temperature.
10. Verify the heat pump is operating in the heating
mode.
11. Set the thermostat to maintain the desired space
temperature.
12. Check for vibrations, leaks, etc.
MAINTENANCE
1.
Filter changes or cleaning are required at regular
intervals. The time period between filter changes
will depend upon type of environment the
equipment is used in. In a single family home, that is
not under construction, changing or cleaning the
filter every 60 days is sufficient. In other
applications such as motels, where daily vacuuming
produces a large amount of lint, filter changes may
need to be as frequent as biweekly.
NOTICE: Equipment should never be used
during construction due to likelihood of wall
board dust accumulation in the air coil of
the equipment which permanently affects
the performance and may shorten the life of
the equipment.
2.
An annual "checkup" is recommended by a trained
and qualified HVAC mechanic. Recording the
performance measurements of volts, amps, and
water temperature differences (both heating and
cooling) is recommended. This data should be
compared to the information on the unit's data plate
and the data taken at the original startup of the
equipment. (We recommend to complete the unit
check out sheet located on pg# 64)
3.
The condensate drain should be checked twice a
year by cleaning and flushing to ensure proper
drainage.
4.
Periodic lockouts almost always are caused by air or
water flow problems. The lockout (shutdown) of the
unit is a normal protective measure in the design of
the equipment. If continual lockouts occur call a
mechanic immediately and have them check for:
water flow problems, water temperature problems,
air flow problems or air temperature problems. Use
of the pressure and temperature charts for the unit
may be required to properly determine the cause.
Have Mechanic complete the unit checkout sheet
located on pg# 64 and call 866-642-3198 for
support.
System Checkout | 63
8733942411 (2017/06)
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