Condair CHR-NA Digital Room Humidistat with Display Instruction Manual
- October 30, 2023
- condair
Table of Contents
Condair CHR-NA Digital Room Humidistat with Display
Digital Room Humidistat with Display
The Condair digital humidistat is a device that measures and controls the humidity level in a room. It comes with an on/off digital wall humidistat that can be installed easily with the help of the installation instructions provided below. The device also allows the user to change and control various parameters according to their preferences.
Installation Instructions
- Open the screw of the housing and remove the mounting plate with the connecting unit.
- Connect wires of the connection cable to the terminals according to the wiring diagram.
- At the place of location fix mounting plate (plastic screw facing downwards) with two screws to the flush-mounting or wall-mounting box (see dimension drawing).
- Carefully snap housing onto the mounting plate and fix it with the screw (do not tighten screw too much).
Usage Instructions
Calibration
To calibrate, press the UP key until you see the calibration value and tool symbol on the display. Use the UP/DOWN buttons to calibrate and then press the Save calibration button to save the calibration. The tool symbol will disappear after calibration is saved. Note that disable inputs will not be shown on the display.
Changing Parameters
- Press the button simultaneously for three seconds. The display will show firmware version and revision number.
- Press the button to start login. The small digits show CODE.
- Select correct code (password) using and buttons. Note: Code to access user parameters is 0009. The access codes are fixed and cannot be changed.
- Press the button after selecting the correct code.
- Once logged in with 0009, the user/display parameters are displayed immediately.
- Select the parameters with the or button. Change a parameter by pressing the button. The symbol is displayed to indicate that the parameter may be modified. Use < > or < > button to adjust the value.
- After you are done, press button to save the new value and return to the selection level (symbol disappears after selection is saved). Pressing button without pressing button will discard the value and return without saving.
- Press the button to leave the menu. The unit will return to normal operation if no button is pressed for more than 5 minutes.
User Parameters (Password 0009)
| Parameter | Description | Range | Default |
|---|---|---|---|
| UP 00 | Enable change of operation modes | ON, OFF | ON (Enabled) |
| UP 01 | Enable change of setpoints | ON, OFF | ON (Enabled) |
| UP 02 | State after power failure: 0 = Switched OFF, 1 = Switched ON, 2 | ||
| = state before power failure | 0, 1, 2 | 2 | |
| UP 03 | Celsius or Fahrenheit, Select ON for Fahrenheit, OFF for | ||
| Celsius | ON, OFF | OFF (Celsius) | |
| UP 04 | Select type of content for large digits (00= OFF): 01 = | ||
| Setpoint 02 = Humidity Sensor 03 = External Temperature Sensor | 00…03 | 01 |
The control operation is defined by parameters set using the standard operation terminal. There are two levels:
- User/display parameters (password 0009)
- Control parameters (password 00241)
Control Parameters (Password 0241)
Note : Only experts should change these settings! See user parameter for login procedure!
| Parameter | Description |
|---|---|
| CP 00 | Minimum setpoint limit in humidification mode |
| CP 01 | Maximum setpoint limit in humidification mode |
| CP 02 | Start delay for fans (Time the fan runs before control output |
starts)
CP 03| Stop delay for fan (Time the fan keeps running after control
output stops)
This document covers the operation and installation instructions for the following Condair digital humidistat:
Kit No. Component No. Description
2597934 2548731 On/Off Digital Wall Humidistat
Mounting and Installation
Location:
Install the Condair CHR-NA in a protected and easy accessible place at least
1.5 m above the floor to the wall (mounting on flush-mounting or wall-mounting
box). Observe the following placement notes:
- Do not place Condair CHR-NA in niches, behind, curtains, etc.
- Do not place the Condair CHR-NA near heat sources, within the area with direct air draft or direct sunlight.
Installation:
Refer to installation overview in section 2.
- Open the screw of the housing and remove the mounting plate with the connecting unit.
- Connect wires of the connection cable to the terminals according to the wiring diagram.
- At the place of location fix mounting plate (plastic screw facing downwards) with two screws to the flush-mounting or wall-mounting box (see dimension drawing).
- Carefully snap housing onto the mounting plate and fix it with the screw (do not tighten screw too much).
Note : We recommend using 18-gauge wire, and maximum <100 ft distance from the unit.
Installation overview
Wall Humidistat LCD Display
Error Messages
- Err 1 : Sensor element in the device is not properly inserted or defective. Insert the sensor element correctly or replace it.
- Err2, 3 & 4: Hardware or memory problem. Replace device
Sensor Calibration
Sensor inputs can be calibrated if needed
Wiring Diagrams
Wiring diagram CHR-NA for RS, EL, GS, US and SE
Wiring diagram CHR-NA for DL and ME
Wiring diagram CHR-NA with CHD-NA and APS for RS, EL, GS, US and SE
Documents / Resources
|
Condair CHR-NA Digital Room Humidistat with
Display
[pdf] Instruction Manual
CHR-NA Digital Room Humidistat with Display, CHR-NA, Digital Room Humidistat
with Display, Digital Room Humidistat, Room Humidistat, Humidistat
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