and Answers 100% Correct
TT terminals are normally used for?
A. Line 1
B. Neutral
C. Thermostat
D. Burner load - ANSWER-C. Thermostat
The stack mount primary control must be ______ prior to use.
A. Stepped on
B. Put in step
C. Reset
D. None of the above - ANSWER-B. Put in step
The ECM (electrically commuted motor) features:
,A. Quicker shut-off
B. Quicker starting
C. Variable speed motor capability
D. All of the above - ANSWER-C. Variable speed motor capability
The red wire on Carlin microprocessor controls is for what purpose?
A. Burner
B. Limit
C. Line 2
D. Post purge - ANSWER-D. Post purge
The normal ohms range for a cad cell during burning operation?
A. 1600-2000
B. 1000-1500
C. 300-1000
D. None of the above - ANSWER-C. 300-1000
,When selecting the proper safety timing of a cad cell control what is the
most important factor?
A. Size of the fire box
B. Spray angle of the nozzle
C. Burner make and model
D. Maximum specified GPH input of the burner - ANSWER-D. Maximum
specified GPH input of the burner
The cad cell control will go to the lock out position when a reading of _______
ohms are found at the cad cell.
A. 300
B. 700
C. 2000
D. 1600 - ANSWER-D. 1600
When the FF terminals are jumped after starting up and the controls goes
into lock out what is the correct action?
, A. Reset control
B. Jump out TT
C. Replace control
D. Replace cad cell - ANSWER-C. Replace control
The following factors affect cad cell performance except:
A. Cell alignment
B. Dirty cell
C. Improper flame
D. Thermostat setting - ANSWER-D. Thermostat setting
A switching relay can be used to
A. Control a line voltage device with low voltage controller
B. control a low voltage device with a line voltage controller
C. control two devices from a single controller
D. All of the above - ANSWER-D. All of the above