Table of Contents
Advertisement
Condition:
Thermostat closed, damper in process of opening
STEP 8A
IF
24VAC is present
24VAC is not present
Condition:
Thermostat closed, damper fully open
STEP 8B
IF
24VAC is present
24VAC is not present
Technical Training Department
Ashland City, TN ©2003
SBD TANK TYPE HEATERS
SERVICE HANDBOOK
NORMAL OPERATION (continued)
TEST FOR 24VAC BETWEEN BLACK AND ORANGE
TEST FOR 24VAC BETWEEN BLACK AND YELLOW
27
THEN
Continue to Step 8B.
See Troubleshooting Step 9B.
THEN
Continue to Step 10A.
See Troubleshooting Step 9B.
Advertisement
Table of Contents
