– 30 –
A
.
Extended Shutdown
1. Disable the heat for 3 minutes, or a suffi cient
amount of time to allow the heat exchanger to
cool down. Then disable the fans.
2. Close all the manual gas shut off valves.
3. Open the main electrical disconnect switch.
4. If the unit is to remain idle for an extended pe-
riod, the fan and motor shafts should be rotated
by hand to spread the grease over the bearings.
SECTION VI - UNIT SHUTDOWN
B. Emergency Shutdown Only —
1. Open the main electrical disconnect switch.
2. Close the main manual gas valve.
Cooling is Enabled By The Following
MDT & MRT Standard:
To enable the cooling, rotate the remote
“Temperature
Setpoint”
knob
(MP-15)
clockwise to the desired
setpoint below the actual air temperature. The allowable
temperature range is 55° F to 90° F.
MRT-PRO With Smart Room Sensor:
To
enable
the cooling, press the
“Warmer”
or
“Cooler”
button on the face of the remote
(TS-02) MRT-Pro
room sensor to the desired room setpoint. Each push
of the button changes the temperature by 1° F. The
setpoint can be changed a maximum of +10° F from the
default of 73° F.
Changing the cooling setpoint also
changes the heating setpoint.
MRT or MDT Expert With a (KP-01) BACview:
To
enable
the cooling for MRT Expert, scroll through
the
“SETPOINTS”
menu in the BACview and enter
the desired room
Cooling Occupied and Unoccupied
Setpoints
. For VDT Expert, enter the desired
Cooling
Discharge Air Setpoints
.
Energy Savings Mode:
Energy Savings Mode 4-can disable the cooling.
NOTE: The cooling outputs are protected by an
anti-cycle timer which has a 3 minute off / 3 minute
on delay. A BACview or PC is required to change
Setpoints. For a more detailed control sequence,
see the Digital System User Manual.
Содержание GAS-FIRED HEATERS
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Страница 64: ...4830 Transport Drive Dallas TX 75247 Phone 214 638 6010 Fax 214 905 0806 www appliedair com ...