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13 

HUMIDIFIRST 

 

 

 

 

STARTING UP YOUR SYSTEM FOR THE FIRST TIME 

 
First, make sure the system is ready to be started.  This means that the humidifier module 
and Master Panel are mounted properly and are ready.  All the water connections must be 
in place and supply water must be available.  All electrical connections must be ready and 
the main power must be available.  
 

1.

 

Before the Humidifirst humidification system is started, the water supply lines 
that supply water to the humidifier module should be flushed for 5 minutes to 
ensure that the water lines are clean and free of debris.  

 

If you are using a Reverse Osmosis system to purify your water, it may take as 
long as 45 minutes for water to start to flow.  Even at peak flow, the Reverse 
Osmosis unit may only produce a trickle of water.  (One Mist-Pac 15 uses about 2 
gallons per hour) 
 
If you are using a De-Ionization bottle for water treatment, the water will start to 
flow in 5 to 15 minutes. 

2.

 

Remove the humidifier lid and pour water into the basin tot a depth of 1”. 

3.

 

Before plugging the Master Panel into a 120 volt outlet check all electrical 
connections for tightness.  Make sure the system is ready to be started and that all 
water and electrical connections are correct.  Flip the circuit breakers to the “on” 
position before closing the lid. 

4.

 

Plug the power cord from the Master Panel into the 120-volt wall receptacle.   

5.

 

Turn the “On/Off” switch (located on the front of the Master Panel) to the “On” 
position. 

6.

 

Adjust the humidistat to the desired set point.  It may take 5-45 minutes for the 
water level in the basin to rise to the required level (approximately 1 ½”) before 
the mist will start.  If the mist does not start when the water level is reached then 
adjust the humidistat to a higher set point - the room relative humidity set point 
may already be satisfied or the humidistat may need calibrating. 

 

CAUTION:   OPERATING THE TRANSDUCERS WITHOUT WATER 
COVERING THEM BY MANUALLY LIFTING THE FLOAT SWITCH 
WILL CAUSE THEIR IMMEDIATE FAILURE. 

 

7.

 

To verify that the humidifier module is filling with water, you can briefly lift the 
lid of the humidifier module to visually inspect the water. 

8.

 

Once the humidifier module is full the “low water safety” relay should switch to 
the “on” position and the humidifier module should start operating.  This will not 
happen until there is approximately 1 ½” of water in the basin.  

9.

 

Visually inspect the humidifier modules for proper operation and the mist 
absorption path. 

 

Summary of Contents for MIST-PAC SERIES

Page 1: ...HUMIDIFIRST HUMIDIFIRST ULTRASONIC HUMIDIFIERS OWNER S MANUAL FOR MIST PAC SERIES ULTRASONIC HUMIDIFIERS 7 21 05...

Page 2: ...r and controls 9 Positioning your humidifier module and Master Panel 10 Installation requirements 10 Installation Parameters Guidelines 11 Before you start your humidifier for the first time 12 Starti...

Page 3: ...t all play a role in the ability of a humidifier to maintain the relative humidity of a space Also some older buildings may form ice in colder temperatures on the outside walls due to humidified air s...

Page 4: ...s very small water droplets into the air approximately one micron in diameter similar in size to steam droplets The water droplets are so small that they evaporate almost immediately The water feeding...

Page 5: ...st be added to achieve your relative humidity requirements 2 Air conditioning When an air conditioner runs it removes moisture from the air This is known as Latent cooling If the air conditioner will...

Page 6: ...__________________________________ Zone _________________________________________ Indoor design conditions required Temperature ________ F Relative humidity _______ RH Outdoor ambient design condition...

Page 7: ...sions of humidifier modules Humidifier Capacity Power Weight Dimensions Number of Fan Module hr used lbs WxDxH in Transducers CFM MP 5 5 135 va 9 9 0 x 12 9 x 12 5 4 45 MP 15 15 380 va 12 21 0 x 12 9...

Page 8: ...1 04 PANEL SIZE 12 X 12 X 8 6 POWER CORD WITH PLUG ATTACHED 10 CONTROL POWER HARBNESS WITH QUICK CONNECTS PROVIDED 10 CORD TO HUMIDISTAT PANEL TO BE UL LISTED ENCLOSURE TO HAVE HIGH QUALITY FINISH WIT...

Page 9: ...generated The ultrasonic humidifier shall not produce any unacceptable noise The sound level shall not exceed 50 db at 5 feet from the humidifier module The ultrasonic humidifier shall not require a...

Page 10: ...ay cause failure of the fan s and internal electronic components See the Installation Parameters Guidelines on the following pages Locating the Master Panel The Master Panel can be mounted on an adjac...

Page 11: ...er that 10 ppm can introduce dust into the air which will eventually collect inside of the facility Dirty water will normally not damage the humidifier but will require more frequent humidifier mainte...

Page 12: ...humidifier is mounted correctly 4 Always have at least 10 PSI of water pressure connected to the humidifier module Caution a When water purification systems are used pressure drops may be substantial...

Page 13: ...e sure the system is ready to be started and that all water and electrical connections are correct Flip the circuit breakers to the on position before closing the lid 4 Plug the power cord from the Ma...

Page 14: ...s blown 2 If water does not flow into the humidifier body Check that there is power to the humidifier first and make sure that there is a call for humidifier operation turn the humidistat to the highe...

Page 15: ...ed NC b If the solenoid valve does not shut off when the humidifier power is turned off dirt may be preventing the solenoid valve plunger from seating This permits water to leak through it causing the...

Page 16: ...isfied a Turn the humidistat dial to on to make sure the humidistat is calling for the humidifier to operate b Check that there is power to the humidifier The power on switch should be lit c Check to...

Page 17: ...ducers may get coated with an oily substance typically coming from new PVC or stainless steel pipe If this is the case try washing the basin and transducer with a mild dishwasher liquid solution 2 Som...

Page 18: ...be rinsed completely 5 The mist diffuser should be cleaned and rinsed before it is replaced Disconnect the power cord to the Master control panel and check all the wiring connections for tightness Thi...

Page 19: ...ose to the desired set point of the space being humidified Calibration should only be done with a sling psychrometer To calibrate set the humidifier humidistat indicator to read the same as the indepe...

Page 20: ...e following checklist and return it to Humidifirst There will be no warranty of the equipment without the form being completed and returned in a timely manner The End User Owner of the Humidification...

Page 21: ...se the mist to re circulate into the intake fans ___________ yes ___________no e Is the humidifier module mounted level from side to side __________ yes f Is the humidifier module mounted level from f...

Page 22: ...g start up 7 Have all wire connections in the Master control panel tightened Make sure the power to the panel has been turned off while tightening __________ yes ___________ no 8 The humidifier has be...

Page 23: ...23 HUMIDIFIRST HUMIDIFIRST ULTRASONIC HUMIDIFIERS 1520 Neptune Dr Suite A Boynton Beach FL 33426 561 752 1936 FAX 801 760 2777 www humidifirst com...

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