C.A.P. HUM-1 Manuel utilisateur
HUM-1 Humidity Controller
CAP offers a full range of equipment for the growing enthusiasts. The HUM-1 is designed to
control the humidity level in your growing area. The unit can be used to either increase or
decrease the humidity level by activating a humidifier to add humidity or an exhaust fan /
dehumidifier to reduce the humidity level. Simple to use and reliable… the HUM-1.
Two
receptacles
Fuse
Humistat
The HUM-1 controls humidity by activating any
device that operates on 120 volt AC.
Two receptacles allow you to use the unit to
increase OR decrease humidity levels.
The HUM-1’s indicator lights verifies the humidity
equipment is running.
The HUM-1 is backed by CAP’s 3-year warranty.
CONNECTION DIAGRAM
Exhaust Fan or
dehumidifier
HUM-1
Dehumidify
Humidify
Power
Humidifier
O
R
CONNECTIONS & OPERATION
There are certain steps which should be taken to ensure a successful installation of your HUM-1.
1) Determine the desired location for the HUM-1. It should be at plant height and near a 120vac power
supply.
2) Mount the HUM-1 to a wall or other vertical surface. The ventilation slots must be oriented on the top and
bottom of the unit.
3) Depending on whether you will be using the unit for humidification OR de-humidification, the device you
will be using must be plugged into the correct receptacle.
4) Adjust the humistat to the desired highest level you want to maintain anywhere from 20-80% rH.
* Verify the device you will be using to add or remove humidity has the capacity to raise or lower the
level adequately. If the device is not large enough, the HUM-1 will command the device to stay on
indefinitely.
5) Connect the power cord to a source of 120-vac power. * Maximum load = 15 amps.
* NOTE: The HUM-1 requires “free air movement” to maintain humidity accuracy. The top and bottom of
the enclosure has ventilation slots to provide air-flow for the internal humistat. We recommend using an
oscillating fan or similar air movement device to provide fresh air for the plants, and the sensor.
TROUBLESHOOTING
If you are having problems with this unit, refer to these troubleshooting hints. Also, refer to the connection
diagram to ensure your devices are connected properly.
Problem Suggested Action
♦ I have no lights and no function at all. ♦ Check fuse or main power. Check the main power plug and replace the fuse if
required with the correct rated fuse.
♦ If the fuse blows repeatedly, verify the devices connected to the unit are working
properly and that they are not too large for the HUM-1 to safely control.
♦ The device I am using rarely or never turns
OFF.
♦ In order for the HUM-1 to turn ON and OFF the device, it must be capable of
raising or lowering the level to the set-point you have selected. If your set-point is
either too high or too low, the unit will be commanded to remain on. If you cannot
achieve the humidity level you would like, you may have to choose a device with a
higher capacity.
♦ The device I am using rarely or never turns
ON.
♦ Once you select the humidity level you want to maintain, the unit will automatically
keep it at that level. If the unit is not turning the unit ON, it is indicating the humidity
is within the acceptable range of +/- 7% rH.
PRECAUTIONS
1) DO NOT expose the HUM-1 to water. The plastic enclosure is corrosion-proof, it is not water-proof.
2) DO connect the HUM-1 to a source of dedicated 15-amp / 120 vac power.
WARRANTY
The HUM-1 is warranted against defects in workmanship for THREE years.
SPECIFICATIONS
Main power voltage 120vac
Maximum amperage 15-Amps @ 120vac
Humidity control range 20 - 80% RH with a 5% differential, +/- 7%
Operating temperature range 32-120° F
Operating humidity range 0-99% RH (non-condensing)
Relay operations (minimum) 100,000 electrical / 1,000,000 mechanical
Weight Less than 4 lbs
Dimensions 8” X 6” X 3.5”
PUBLISHED BY R & M Supply Inc.
COPYRIGHT 2004 BY R & M Supply Inc.
ALL RIGHTS RESERVED
Liability statement:
R & M Supply and their retailers and distributors are not responsible for any damage or injuries (consequential or otherwise)
arising from the use of this device. The purchaser assumes all responsibility for the use and proper installation of this device.
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