Carel heaterSteam UR080 - User Manual

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High Efficiency Solutions

heaterSteam - UR

NO POWER

& SIGNAL

CABLES

TOGETHER

READ CAREFULLY IN THE TEXT!

Electric resistance humidiﬁ er

User manual

Table of Contents

Questions and Answers

P
Patrick WilliamsAug 7, 2025
What to do if my Carel heaterSteam UR080 control does not turn on?
- M
  Mary WilsonAug 8, 2025
  If the control on your Carel Humidifier doesn't turn on, several issues could be the cause. First, check the protection devices upstream of the humidifier and the mains power supply to ensure there is electrical power. Next, verify that the humidifier's external switch is in the 'I' (ON) position. Also, check that the connectors are properly installed on the terminal block. Inspect fuses F1/F2 to see if they are blown. Finally, confirm that the transformer's secondary circuit has an output of 24 Vac.
J
Jillian WarnerAug 13, 2025
Why Carel Humidifier does not start?
- C
  chaseyorkAug 13, 2025
  If your Carel Humidifier isn't starting, consider these potential causes: * Ensure the remote ON/OFF contact is closed (relay/terminals 7I - 8I). * Verify the external regulator/humidistat or probe is correctly connected. * Check the external signal for any probe/humidistat malfunctions. * Make sure the programming parameters are set correctly. * If the safety thermostat is activated, reset it after identifying and resolving the underlying issue. * If it is H or T control, reset the fan circuit breaker after addressing the problem.
C
Craig FrenchAug 17, 2025
What to do if the line circuit breaker is activated for Carel heaterSteam UR080 Humidifier?
- R
  Richard RoseAug 17, 2025
  If the line circuit breaker for your Carel Humidifier is activated, it could be due to two reasons. First, the line circuit breaker may be rated too low; ensure it's rated for a current of at least 1.5 times the humidifier's rated current. Second, resistors might be short-circuited; check the value of the resistors and replace them if necessary.
N
Nathan BryantAug 22, 2025
How to fix a Carel heaterSteam UR080 that fills with water but doesn't produce steam?
- R
  Richard BanksAug 22, 2025
  If your Carel Humidifier fills with water but doesn't produce steam, consider the following: 1. Check that the steam outlet pipe is not bent or choked, as steam outlet back-pressure might be too high. 2. If there are leaks in the water circuit, replace the feeding solenoid valve and, if required, clean or replace the level gauge due to a leaking flow regulator in the water fill electrovalve. 3. Clean the filter to address any level control malfunction. 4. Clean the fill tank if the cylinder inlet filter is blocked. 5. Check for the presence of 24Vac at the drain solenoid valve and clean the drain solenoid valve if there is lime in the fill tank.
N
Nicole SmithAug 27, 2025
Why is my Carel Humidifier wetting the duct?
- L
  Lauren MoralesAug 27, 2025
  If your Carel Humidifier is wetting the duct, it could be due to a few reasons. First, check that the steam distributor has been installed correctly. Second, the system may be rated too high, so reduce the steam production set on the control. Lastly, ensure the humidifier isn't active when the duct fan is off by checking the connection of the device (flow switch or differential pressure switch) linked to the humidifier for ventilation in the duct (terminals 7I - 8I).
P
Peter Soto Jr.Sep 2, 2025
What causes a Carel heaterSteam UR080 Humidifier to wet the floor below it?
- M
  Mark PerezSep 2, 2025
  If your Carel Humidifier is wetting the floor below, there are several potential causes. First, clean the drain pipe in the bottom tank, as the humidifier drain pipe may be blocked. Second, check the entire hydraulic circuit for leaks in the water supply or overflow circuit. Third, ensure the correct positioning of the condensate drain pipe in the fill tank, as the condensate drain pipe may not be draining the water back to the fill tank. Finally, check the fastening of the pipe clamp on the steam outlet pipe, as the steam outlet pipe may not be properly attached to the cylinder.

Carel heaterSteam UR080 Specifications

General

Model	UR080
Category	Humidifier
Steam Production	8 kg/h
Steam Output	8 kg/h
Protection Rating	IP20
Weight	12 kg
Type	Steam humidifier

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