TABLE 1 – Display Panel (continued)

Indicator

Light

Function

 

 

 

 

 

 

 

 

 

 

 

 

Solid

Normal Operation.. Humidistat is calling for steam

 

 

 

 

 

Green

and humidifier is operating..

 

 

 

 

 

 

 

 

 

 

 

 

 

Humidifier is operating but is not delivering steam

 

 

 

 

 

Solid

at rated capacity.. Occurs if humidifier has operated

 

 

 

 

 

for 168 hours at less than rated capacity due to low

 

 

 

 

 

Yellow

water conductivity.. Light will turn green once water

 

 

 

 

 

 

conductivity increases and humidifier is delivering

 

 

 

 

 

 

rated capacity..

 

 

 

 

 

 

 

 

 

 

 

 

 

Humidifier is preparing to drain.. (Fill valve is open

 

 

 

 

 

 

tempering water in canister..) Occurs when humidifier

 

 

 

 

 

Flashing

is turned off, at end of season drain (72 hours with

 

 

 

 

 

no operation) and during forced drain down (168

 

 

 

 

 

Green

hours of operation with no drain activity..)

 

 

 

 

 

 

 

 

 

 

 

 

 

Fill and Drain Valves are pulsing to dislodge mineral

 

 

 

 

 

 

build-up in canister.. Flashes 10 times in four seconds..

 

 

 

 

 

 

 

 

 

 

 

 

 

Drain valve is energized and open, draining canister..

 

 

 

 

 

Solid

Valve remains energized for four minutes..

 

 

 

 

 

 

 

 

 

 

 

Indicates end of season shut-down.. Occurs if

 

 

 

 

 

Green

 

 

 

 

 

 

humidifier does not receive call for humidity in 72

 

 

 

 

 

 

hours.. Light remains on for 24 hours..

 

 

 

 

 

 

 

 

 

 

 

 

 

Canister has reached the end of its life and needs to

 

 

 

 

 

Flashing

be replaced.. Occurs after humidifier has operated for

 

 

 

 

 

at least 168 hours and for an additional 24 hours at a

 

 

 

 

 

Red

current level below 75% of the maximum operating

 

 

 

 

 

 

current.. Humidifier continues to operate, but at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reduced capacity..

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operational problem with humidifier.. Humidifier

 

 

 

 

 

Solid

shuts down.. Occurs when unit detects over-

 

 

 

 

 

current which can be caused by failure to drain

 

 

 

 

 

Red

 

 

 

 

 

or other system failures.. Call your heating and air

 

 

 

 

 

 

 

 

 

 

 

 

conditioning dealer for service..

 

 

 

 

 

 

 

HUMIDIFIER CONTROL & OPERATING INSTRUCTIONS

The control provided with your humidifier is mounted either in your return air duct or on a wall in the living space.. The control has a set of contacts which close when the RH is below the set point.. That signal tells the humidifier to energize the electrodes in the canister to generate steam, provided the indoor unit blower is on.. If the blower activation relay is installed, a call for humidity will turn on the indoor unit blower..

It is important to anticipate changes in outdoor temperature and adjust the setting accordingly to avoid excessive condensation when outdoor temperature is low.. For example, with an outdoor temperature of 20°F the correct setting will be 35%.. If the temperature is expected to fall to 0°F that evening, then merely reduce the setting to 25% several hours prior to the temperature change..

See Table 2 for the recommended settings.. These settings, which are based on years of research, represent a compromise between humidity levels that would be most desirable for comfort and humidity levels that are suitable for protection of your home and to avoid condensation on your windows.. For example, a wintertime indoor humidity of 50% may be considered ideal for comfort, but unfortunately, it probably would result in condensation, which can cause damage to your home.. Observing the recommended humidity levels on your Humidifier Control is an important safeguard.. Condensation of water on the inside surface of windows in the form of fogging or frost is usually an indication of too much humidity.. This same condensation can occur in other areas in your home, possibly resulting in damage..

Table 2 – Outdoor Temperature/Indoor Relative Humidity

Outside Temperature

Recommended RH

+40°F

45%

+30°F

40%

+20°F

35%

+10°F

30%

0°F

25%

– 10°F

20%

– 20°F

15%

 

 

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Image 5
Johnson Controls 8000 Humidifier Control & Operating Instructions, Outdoor Temperature/Indoor Relative Humidity, Yellow

8000 specifications

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