Heat Controller HTV Series User Manual (English)

Other manuals for Heat Controller HTV Series

Installation, Operation & Maintenance Manual48 pages

Questions and Answers:

D
Diane RiceAug 21, 2025
Why is my Heat Controller Heat Pump not cooling or heating properly?
- L
  Larry SheppardAug 21, 2025
  If your Heat Controller Heat Pump is not cooling or heating properly, several factors could be the cause. Start by checking and cleaning or replacing the dirty air filter. Ensure there are no airflow restrictions and that the fan motor is working correctly. Also, verify that the external static is not too high by checking the static valve. Look for leaky ductwork by comparing supply and return air temperatures. Check the superheat and subcooling, as low refrigerant charge or a restricted metering device could be the issue. Inspect the reversing valve, thermostat location, and unit sizing. Scaling in the water heat exchanger or extreme inlet water temperatures can also affect performance.
C
Charles JacksonAug 22, 2025
How to troubleshoot main power problems in Heat Controller Heat Pump?
- D
  David CobbAug 22, 2025
  If your Heat Controller Heat Pump's green status LED is off, check the line voltage circuit breaker and disconnect. Also, check for line voltage between L1 and L2, 24 VAC between R and C on the CXM, and the primary/secondary voltage on the transformer.
S
Sandra CastilloAug 25, 2025
Why does my Heat Controller Heat Pump unit short cycle?
- S
  Sarah LoweAug 25, 2025
  If your Heat Controller Heat Pump is short cycling, start by checking and cleaning the air filter. Ensure the unit is not in 'Test Mode' by resetting the power or waiting 20 minutes for it to auto exit. The unit may be oversized for the space, so check the sizing load of the space. Also, check the compressor for overload and replace it if necessary.
A
April WrightAug 26, 2025
What causes high head pressure in Heat Controller Heat Pump?
- M
  Michael NewmanAug 27, 2025
  If your Heat Controller Heat Pump is experiencing high head pressure, start by checking and cleaning the air filter, ensure there are no airflow restrictions and that the fan motor is working correctly, and verify that the external static is not too high by checking the static valve. For cooling issues, check pump and valve operation and water flow rate. Also, ensure the inlet water is not too hot. Bring the return air temperature within design parameters. Inspect for scaling in the water heat exchanger, and check the superheat and subcooling. Reweigh the charge if the unit is overcharged and vacuum the system to remove non-condensables. Check the superheat and subcooling per chart if a restricted metering device is suspected.
P
pamela91Aug 27, 2025
What to do if Heat Controller Heat Pump shows FP1 Fault - Code 4?
- J
  Joanne HunterAug 28, 2025
  If your Heat Controller Heat Pump displays the FP1 Fault - Code 4, which indicates a water coil low temperature limit, check the pump and water valve operation for reduced or no water flow in heating. Clean or replace any plugged strainers or filters, and adjust the water flow to the proper rate. Verify the antifreeze level with a hydrometer and clip the JW3 jumper for antifreeze (10°F) if the temperature limit setting is improper (30°F vs. 10°F). Ensure the water temperature is within the design parameters and check the temperature and impedance correlation per the chart.
J
Jose ArnoldAug 29, 2025
What does HP Fault - Code 2 mean on Heat Controller Heat Pump?
- V
  Valerie CalhounAug 29, 2025
  If your Heat Controller Heat Pump is displaying the HP Fault - Code 2 for high pressure, check the pump and valve operation for reduced or no water flow in cooling and adjust the water flow to the proper rate. Bring the water temperature within design parameters. For heating issues, check for dirty air filter and clean or replace it, check fan motor operation and airflow restriction, and ensure there is no construction dust on the air coil. Also, ensure the external static is not too high by checking the static valve. Bring the return air temperature within design parameters and check the superheat/subcooling versus the typical operation table. Finally, check the switch continuity and operation, and replace if necessary.
A
Anthony KempAug 31, 2025
What does LP/LOC Fault - Code 3 indicate on Heat Controller Heat Pump?
- R
  rodriguezrebeccaAug 31, 2025
  If your Heat Controller Heat Pump is displaying the LP/LOC Fault - Code 3 for low pressure or loss of charge, check for refrigerant leaks if there is insufficient charge. Also, check the charge and start-up water flow.
M
mitchelltammySep 1, 2025
Why does only the compressor run on my Heat Controller Heat Pump?
- C
  Craig ChenSep 1, 2025
  If your Heat Controller Heat Pump only runs the compressor, check the G wiring at the heat pump and jumper G and R for operation. Jumper G and R for fan operation and check for voltage across BR contacts. Check the fan power enable relay operation (if possible). Check for line voltage at the motor and its capacity. Check the thermostat wiring at the heat pump, and jumper compressor operation in test mode.
C
christopher96Sep 3, 2025
What does FP2 - Code 5 mean on Heat Controller Heat Pump?
- P
  Paul WhiteSep 3, 2025
  If your Heat Controller Heat Pump displays the FP2 - Code 5, which indicates an air coil low temperature limit, check for a dirty air filter and clean or replace it. Check the fan motor operation and airflow restriction, and ensure the external static is not too high by checking the static valve. If the air temperature is out of range, adjust the entering air to design parameters. For improper temperature limit settings (30°F vs. 10°F), normal airside applications will require 30°F. Check the temperature and impedance correlation per the chart.
M
Michael HicksSep 5, 2025
Why does only the fan run on my Heat Controller Heat Pump?
- K
  Kevin LewisSep 5, 2025
  If your Heat Controller Heat Pump only runs the fan, ensure the thermostat is set for heating or cooling. Check for lockout codes and reset the power. Inspect the compressor overload and replace if necessary. Check the thermostat wiring at the heat pump and jumper for compressor operation in test mode.

Heat Controller HTV Series Specifications

General

Category	Heat Pump
HSPF Rating	Up to 10
Stages	Variable Speed
Refrigerant	R-410A
Series	HTV
Heating Capacity	Up to 60, 000 BTU/h
Cooling Capacity	Up to 60, 000 BTU/h
Voltage	208/230V