ECR CM Installation, Operation & Maintenance Manual - page 18
Final Inspection & Start-up
(continued)
Heating operation — heat pump units — Enter-
ing Water temperature above 60°F (16°C)
Place
1.
the thermostat or system switch in the "HEAT" position.
Adjust the thermostat to a warmer temperature setting
2.
until the
Compressor and fan start running. Warm air will begin to flow
from the unit.
After the unit starts running and the space gets warmer, adjust the
3.
thermostat to a cooler temperature until the fan and compressor
turn off.
For a warmer room temperature,
4.
adjust the thermostat to a warmer
temperature setting turning the fan, and compressor back on.
If a cooler room temperature is desired,
5.
adjust the thermostat to
a cooler temperature setting. The heating mode will cease and the
compressor and fan will stop.
NOTICE
Room temperature must be below 85°F (29°C) for the compres-
sor to operate in heating mode on Water Source Console Units
with unit-mounted controllers. .
Place the thermostat or system switch in the
6.
OFF position.
All operation should stop.
Auxiliary heating operation — electric option
Place
1.
the thermostat or system switch in the "HEAT" position.
Adjust the thermostat to a warmer temperature until the fan starts
2.
running and the electric coil starts emitting heat.
After the unit starts running and the space gets warmer, adjust
3.
the thermostat to a cooler temperature until the electric heater
and fan turn off.
If a warmer room temperature is desired, adjust the thermostat to
4.
a warmer temperature setting, which will turn the electric heater
and fan back on.
If a cooler room temperature is desired,
5.
adjust the thermostat
to a cooler temperature setting until the electric heater and fan
turn off.
Place the thermostat or system switch in the
6.
OFF position.
All operation should stop.
NOTICE
Room temperature must be below 85°F(29°C) to energize the
heater on Water Source Console Units with unit-mounted
controllers.
Auxiliary heating operation— hydronic option
Place
1.
the thermostat or system switch in the "HEAT" position.
Adjust the thermostat to a warmer temperature.
2.
The following should then occur:
The motorized valve should open and allow hot water to run
•
through the coil.
The indoor fan will run, blowing air through the hydronic coil
•
The signal to the water valve will continue until the room tem-
•
perature rises above the setpoint by 3°F (2°C).
After the unit starts running and the space gets warmer, the
•
hydronic valve will close and the fan will turn off.
After the unit starts running and the space gets warmer,
3.
adjust the
thermostat to a cooler temperature setting, the hydronic valve will
close and fan will turn off.
If a warmer room temperature is desired,
4.
adjust the thermostat to
a warmer temperature setting, which will open the hydronic valve
and turn on the fan.
If a cooler room temperature is desired, adjust the thermostat to
5.
a cooler temperature setting. The hydronic valve will close and
fan will turn off.
Place the thermostat or system switch in the
6.
OFF position.
All operation should stop.
NOTICE
Room temperature must be below 85°F (29°C) for the
hydronic heater to operate on Water Source Console Units
with unit-mounted controllers. The hydronic valve is a 24Vac
normally open valve. Should power be lost to the unit, the
valve will default to the open position.
Water Source Console Units
• Installation, Operation, and Maintenance Manual •
The Right Fit for Comfort
18
P/N 240008071, Rev. B [112309]