American Standard Inc.
6200 Troup Highway
Tyler, TX 75711
For more information contact
your local dealer (distributor)
Installer’s Guide
Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right
to change design and specifications without notice.
SYSTEM CHECK-OUT – HEAT PUMP
Verify that the kit is installed and wired per the instructions
contained within this installer’s guide. (J5-Blue connected to
“B”, J5-Yellow connected to “Y”, J5-Orange connected to “O”,
Liquid sensor installed and connected, Ambient sensor
installed and connected).
If uncertain about dip switch settings (S2-1, 2, 3, 4), leave in
the factory preset position.
Apply power to the unit. Apply “Y” and “O” control signal.
Verify the green LED is flashing at 1/2 second ON 1/2 second
OFF rate.
Verify no red LED faults are present.
The fan should run continuously for a minimum of 10 sec-
onds after “Y” and “O” have been applied. After 10 seconds
the control may begin to cycle the fan if the ambient outdoor
temperature is 70 deg. or below. If the fan is cycling and the
outdoor temperature is below 70 deg., the control is working.
If after 10 seconds of “Y” application the fan is on continu-
ously, the TEST Switch (S1) may be used to verify the
Control Module has control over the fan. Momentarily
depress the TEST Switch (S1) on the Control board. The fan
should then cycle 3 seconds on then 3 seconds off for
12 seconds.
NOTE:
If the green LED is full on with a blink/flicker OFF every
second make certain the orange wire from the control
board is connected to “O” per these instructions and the
“O” signal is present.
The control board will leave the fan ON continuously
during heating mode, i.e., No “O” signal present. The
green LED is full on with a blink/flicker off every second in
the heating mode.
Literature Order Number HDPC-IN-18B
File Number UN-SV-ACC-HDPC-IN-18B 07/04
Supersedes HDPC-IN-18A 07/03
Stocking Location P.I. Louisville & Webb/Mason-Houston P.I.
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