York PREDATOR MagnaDRY DR090 User Manual

127878-YIM-C-1208
66 Johnson Controls Unitary Products
FIGURE 41 - BASIC TROUBLESHOOTING FLOWCHART
Monitor
Monitored
Systems
Problem?
Call for
Cooling?
Call for
Heating?
Call for
Heat
Yes
No No
No
Call for 1st
Stage
Cooling
First
Stage?
Call for 2nd
Stage
Cooling
Yes
Yes
Loss of
Call for
Heating?
Loss of Call
for Cooling?
Heat Off
Cool Off
Yes
Yes
No
Call for
ID Blower?
Fan off
>10 secs?
Energize ID
Blower Motor
Yes
Yes
No
Programming?
Program
Unit
Control
Board
Trip/Failure
No
No
Lossof Call
for ID Blower?
Turn off ID
Blower Motor
Fan on
>30 secs?
Yes
No
Yes
No
No
Yes
Yes
No
FIGURE 42 - POWER ON FLOW CHART
Power to
Unit
Initialize ASCD
Call for
heat?
Voltage @
Gas Valve?
No
No
Energize ID
Blower
Yes
Yes
Montior

York PREDATOR MagnaDRY DR090 Specifications

General

Brand	York
Model	PREDATOR MagnaDRY DR090
Category	Air Conditioner
Language	English