
29
Quarterly:
Check operation of heating and cooling
sections.
Check inlet and outlet air temperatures.
Determine cause for abnormal changes.
Annually:
Clean the condenser and evaporator coils
with steam or a non-corrosive cleaner.
Clean the drain line, “P” trap and condensate
pan.
Check
refrigerant
pressures
and
temperatures every spring and correct
unusual readings.
Check heating section every fall. Check all
electrical connections for tightness and
check heater elements for indications of
overheating. Determine cause and replace
elements if necessary.
Inspect and clean unit interior at the
beginning of each heating and cooling
season and as operating conditions require.
Lubrication
All original motors and bearings are
furnished with factory lubrication. They
require no lubrication.
Blower Assembly
F1 air handling units are equipped with
highly efficient forward curved fans. The
blower
wheel
should
be
inspected
periodically and cleaned of dust and debris.
Clean blower wheels reduce electrical use,
maintain capacity and reduce stress on the
unit.
To inspect and clean the blower, set
thermostat to the “OFF” position. Turn the
electrical power to the unit to the “OFF”
position at the disconnect switch. Check set
screw for tightness.
Coils
Coils should be inspected and cleaned
annually to ensure there is no obstruction to
airflow.
Dirty
evaporator
coils
will
eventually freeze up, and often result in a
time consuming and expensive service call.
Clean filters will help to prevent dirt from
accumulating on the evaporator. The
evaporator should be cleaned annually with
a non-corrosive coil cleaning solution.
Heating
Electric:
Set thermostat in the heat mode; call for heat
to engage all electric heat strips. Verify that
electric heat operates correctly.
Heat Pump:
Set thermostat in the heat mode; call for heat
to engage the three-way valve and turn the
heat pump mode on. Verify that the heat
pump operates correctly.
Hot Water:
Set thermostat in the heat mode; call for hot
water valve to open. Verify that hot water
valve opens with call for heat.
Filters
Open filter access door. Slide filters away
from unit and inspect. Replace dirty filters
with 20” x 20” x 1” filters.
Ensure that the arrow points toward the
blower in the direction of airflow. Filters
should be checked every 30 days and
replaced or cleaned as necessary.
Equipment should never be operation
without filters.
CAUTION
Содержание F1-060
Страница 31: ...31 ...
Страница 33: ...33 Figure 5 Modulating Hot Gas Reheat Piping Diagram with Air Handling Unit below Condensing Unit ...
Страница 36: ...36 Figure 8 Heat Pump Piping Diagram with Indoor Unit above Outdoor Unit ...
Страница 37: ...37 Figure 9 Heat Pump Piping Diagram with Outdoor Unit above Indoor Unit ...
Страница 38: ...38 Figure 10 Heat Pump Piping Diagram with Modulating Hot Gas Reheat and Indoor Unit above Outdoor Unit ...
Страница 39: ...39 Figure 11 Heat Pump Piping with Modulating Hot Gas Reheat and Outdoor Unit above Indoor Unit ...
Страница 40: ...40 Thermostat Installation and Wiring Figure 12 2 Stage Cooling with Electric Heat ...
Страница 41: ...41 Figure 13 2 Stage Cooling with Heat Pump and Electric Heat ...
Страница 42: ...42 Figure 14 2 Stage Cooling and Electric Heat with Hot Gas Reheat and Humidistat ...
Страница 43: ...43 Figure 15 Main Control Board for Units Equipped with Modulating Hot Gas Reheat ...
Страница 45: ...45 Figure 17 5kW Electric Heat ...
Страница 46: ...46 Figure 18 10 kW Electric Heat ...
Страница 47: ...47 Figure 19 15 kW Electric Heat ...
Страница 48: ...48 Figure 20 20 kW Electric Heat ...
Страница 49: ...49 Figure 21 25 kW Electric Heat ...
Страница 55: ...55 ...