DriSteem VM-6 - User Manual

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VAPORMIST

®

and

VAPORMIST DI

ELECTRIC STEAM HUMIDIFIERS

Installation, Operation

and

Maintenance Manual

For toll-free technical support

call 1-800-328-4447

cETL LISTEDETL LISTED

VMOM-0600.PDF 1 11/19/2009 9:59:05 AM

Table of Contents

Questions and Answers

B
brettgreeneAug 9, 2025
Why is my DriSteem VM-6 not heating?
- C
  Christopher HarrisAug 9, 2025
  If your DriSteem Humidifier isn't heating, it could be due to several reasons. First, check the main line safety switch and fuses, and ensure the unit is receiving the correct supply voltage. Another possible cause is an incorrect or nonexistent control voltage. In this case, try resetting the control transformer circuit breaker and verify that there's 24 VAC control circuit voltage at T-1 and T-2 on the control board. Also, make sure the humidistat is calling for humidity and that it isn't faulty. Finally, check the safety controls, air flow switch, and high humidistat.
P
Patricia Simpson MDAug 16, 2025
What to do if my DriSteem VM-6 Humidifier will not fill?
- M
  Marissa BennettAug 16, 2025
  If your DriSteem Humidifier isn't filling, start by checking the water supply and shut-off valves to ensure there's water pressure at the valve. Then, check the water fill valve to see if it's receiving 24 volts. Also, inspect the strainer and valve for any blockages. Finally, verify the control voltage across the fill valve output, as a faulty control board could be the reason.
D
denise91Aug 22, 2025
Why does my DriSteem Humidifier have low output even with proper water level?
- J
  Jon HessAug 22, 2025
  If your DriSteem Humidifier has reduced or no output despite the water being at the correct level, it could be due to a malfunctioning heater. Verify that the proper voltage is being applied to the heaters and check the heater amp draw, comparing it to the wiring diagram ratings. Another potential cause is a malfunctioning control system. If this is the case, replace the heater contactor if it's not functioning. Also, check auxiliary limit controls (humidistat, air flow proving switch, etc.) and reset, replace, or calibrate them as needed.
E
Elizabeth SimmonsAug 28, 2025
What to do if my DriSteem VM-6 does not stop filling?
- E
  Elizabeth ThomasAug 28, 2025
  If your DriSteem Humidifier won't stop filling, it might be due to a few reasons. First, ensure that the water conductivity is at least 100 micromhos/cm (2 gr/gal) or .34.2 mg/liter. You might need to add salt to the tank. Also, check the fill valve for any foreign matter that may be causing it to stick open. Inspect the drain valve to ensure it's closed and that the fill valve is installed correctly, noting the arrow for proper water flow. Finally, the humidifier may be in periodic drain and flush, so check the controller display.
B
Brian StoneSep 2, 2025
Why is my DriSteem VM-6 short-cycling?
- R
  Robert BanksSep 2, 2025
  If your DriSteem Humidifier is short-cycling, the controller cycle rate might be set too low. Review the controller cycle set point to resolve this issue.

Summary

INSTALLATION

Locating and mounting the VAPORMIST humidifier

Guidance on selecting the optimal location for the humidifier unit.

PIPING AND WIRING

Piping

Wiring

START-UP AND OPERATION

Start-up and checkout procedures

Comprehensive steps for system start-up and verification.

VAPORMIST TROUBLESHOOTING GUIDE

Humidifier does not heat

Troubleshooting steps for when the humidifier fails to generate heat.

Low output

Addressing problems related to reduced steam output.

Unit short-cycles

VAPORMIST DI TROUBLESHOOTING GUIDE

Humidifier will not heat

Troubleshooting steps for DI models that do not heat.

Humidifier will not fill

Solutions for DI models failing to fill with water.

Humidifier does not stop filling

Diagnosing continuous filling issues in DI models.

Reduced or no output even though water is at the proper level

Diagnosing output issues in DI models with correct water levels.

Summary

INSTALLATION

Locating and mounting the VAPORMIST humidifier

Guidance on selecting the optimal location for the humidifier unit.

PIPING AND WIRING

Piping

Wiring

START-UP AND OPERATION

Start-up and checkout procedures

Comprehensive steps for system start-up and verification.

VAPORMIST TROUBLESHOOTING GUIDE

Humidifier does not heat

Troubleshooting steps for when the humidifier fails to generate heat.

Low output

Addressing problems related to reduced steam output.

Unit short-cycles

VAPORMIST DI TROUBLESHOOTING GUIDE

Humidifier will not heat

Troubleshooting steps for DI models that do not heat.

Humidifier will not fill

Solutions for DI models failing to fill with water.

Humidifier does not stop filling

Diagnosing continuous filling issues in DI models.

Reduced or no output even though water is at the proper level

Diagnosing output issues in DI models with correct water levels.

DriSteem VM-6 Specifications

General

Brand	DriSteem
Model	VM-6
Category	Humidifier
Language	English

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