HM700APCB
ELECTRODE STEAM HUMIDIFIER
REPLACEMENT PCB INSTRUCTIONS
READ AND SAVE THESE
INSTRUCTIONS
CAUTION
Before Servicing
1. Disconnect main power source before accessing
internal compartments.
2. The plumbing and electrical compartments
contain high voltage components and wiring.
Access should be limited to licensed HVAC
professionals only.
3. During and following operation of the humidifier,
the steam components in contact with the steam
such as the cylinder, steam lines, steam
distributors, and condensate lines can become
hot and burn if touched. Please consult HM700
Installation manual for reference.
4. Installations of humidity equipment installed by
unqualified personnel or the use of non-Resideo
parts and components will void warranty.
Included in the Box
• 1x PCB
• 6x Standoffs
• Installation Instructions
Tools Needed
• Screwdriver
• Pliers (optional)
APPLICATION
The Printed Circuit Board (PCB) is the board that in
controls the units operation. In case of damage and/or
failure, the PCB will need to be replaced. The PCB will
arrive with factory settings and there is no need for any
special calibration. This product is shipped in anti-static
packaging designed to keep the electronics on the board
safe from static shock. When handling the board, please
ensure that you are grounded. Static discharge can
damage the board so handle it with care. Please follow the
instructions carefully and refer to the Operation Manual
for more information.
INSTALLATION INSTRUCTIONS
INSTALLATION
Step 1: Removing cover door
1. Turn off the unit.
2. Disconnect main power to the unit.
3. Remove the two cover screws on the top as illus-
trated in Fig. 1.
COVER SCREWS
Fig. 1.
4. Locate the Control Board on the panel. (See Fig. 2.)
Fig. 2.
M35847
33-00163EFS-03