Aprilaire 62 Guía de configuración

Automatic

Digital Humidifier Control

Model 60 & 62

Safety and Installation Instructions

READ COMPLETE INSTALLATION INSTRUCTIONS

AND TEMPLATE BEFORE STARTING INSTALLATION.

Model 60 shown.

WARNING

ATTENTION INSTALLER: This product must be installed

by a qualified heating and air conditioning contractor. Failure

to do so could result in serious injury from electrical shock.

Getting Started....................................page 3

Installation .......................................page 7

System Checkout .................................page 19

Troubleshooting Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 21

TABLE OF CONTENTS

THESE INSTALLATION INSTRUCTIONS

ARE FOR THE APRILAIRE®AUTOMATIC DIGITAL

HUMIDIFIER CONTROL ONLY!

For Aprilaire®humidifier installation,

follow Aprilaire Humidifier Installation Instructions.

WARNING

High voltage can cause serious injury.

Disconnect electrical power to the furnace and humidifier

before starting installation.

Sharp edges.

Wear gloves and use care when cutting plenum openings

and handling ductwork.

CAUTION

Condensation damage may occur.

Do not set humidifier control higher than recommended.

Lower the humidity setting if there is excess condensation

on the inside of any windows in unheated living spaces.

Install according to the enclosed installation instructions.

Controller damage or malfunction may occur

if installation instructions are not followed.

Install humidifier control on return plenum only.

Install humidifier control upstream of the bypass outlet or

steam dispersion tube.

Do not install humidifier control facing downward.

GETTING STARTED

STEP 1: Unpack the Humidifier Control Carton

Make sure all components are present (see Figure A):

A. Humidifier control

B. Outdoor temperature sensor

C. Manual mode label

Figure A 90-1201B

STEP 2: Disassemble the Humidifier Control

Remove the knob. Remove the cover by pulling at the bottom and

swinging it out and upward. See Figure Bto become familiar

with the terminal positions. Figures Kand Lshow complete

installation wiring diagrams for Aprilaire humidifiers.

Figure B – Digital Humidifier Control 24V Terminals

90-1397B

HHGfWGODTBACR

OUTDOOR

TEMPERATURE

SENSOR

24 VAC FROM

HVAC EQUIPMENT

“R” AND “C”

COMMUNICATION

WITH APRILAIRE

8570 THERMOSTAT

HEAT SIGNAL

FROM HVAC

EQUIPMENT

FAN SIGNAL

FROM

THERMOSTAT

SOLENOID

CONTROL

OUTPUT

FAN SIGNAL

TO HVAC

EQUIPMENT

Reversing the Rand Cterminals on humidifier control

will cause improper operation.

Water Panel

Indicator

Settings

STEP 3: Set the Change Water Panel Indicator

This setting will control when the indicator light turns on,

reminding you to change your water panel. If your control came

with a humidifier, the control is pre-set for the humidifier. If the

installation site has a 3-month or shorter heating season or very

hard water, you may want to adjust the setting (see Figure C).

Set to “OFF” for Model

800 Series humidifiers or

to turn the Humidifier Pad

Change indicator to off.

Set to “A” for Model

400 Series humidifiers

in areas with very hard

water. The indicator

will light after 150

hours of operation.

Set to “B” for Model 400

Series humidifiers; and

Model 500 Series, 600

Series and 700 Series

humidifiers in areas with

very hard water. The

indicator will light after

300 hours of operation.

Set to “C” for Model 500 Series, 600 Series

and 700 Series humidifiers. The indicator will

light after 600 hours of operation.

Figure C

90-1202B

STEP 4: Blower Activation Feature Explanation

The Blower Activation switch is set to the “ON” position to allow

the humidifier control to activate the HVAC fan for maximum

humidification. For this setting, the Models 500, 600 and 700

must be connected to hot water.

If the HVAC system has been idle for 1 hour, the humidifier

control will activate the HVAC system fan to sample the air for

3 minutes. If the RH is lower than the set point, the humidifier

control will activate the humidifier and keep the fan running.

The humidifier will continue to operate for 2 hours or until the

humidification set point is reached.

If the RH set point has not been reached by the end of a call for

heat, the control will continue to operate the humidifier and the

HVAC fan until the humidification set point is reached or 2 hours

have elapsed.

When the Blower Activation switch is in the “OFF“ position, the

humidifier control will only operate the humidifier if humidity

is required and the HVAC system fan is operating or the HVAC

system is producing heat.

NOTE: If used in conjunction with an Aprilaire 8570

Communicating Thermostat, and the Blower Activation feature is

desired, DO NOT wire the A B communication terminals.

The Model 62 shipped with the Model 800 steam humidifier is

factory set to “OFF.” The Model 62 does not have the “Change

Water Panel” light on the control. The canister change indicator

for the Model 800 is on the humidifier. STEP 1: Mount the Humidifier Control

Humidifier control must be mounted on the return duct, at least 6

inches upstream of the following (see Figure D):

• Humidifier

• Humidifier bypass ductwork (if applicable)

• Fresh air intake ductwork (if applicable)

For accurate humidity control, mount the humidifier control at least

12 inches upstream of the steam humidifier dispersion tube.

Ambient operating temperature of the humidifier control is to be

from 20°F to 120°F to prevent damage to the control display.

90-1137

6" MIN.

RETURN

DUCT

HUMIDIFIER

CONTROL

FRESH AIR

INTAKE

COIL

HUMIDIFIER

BYPASS

CONNECTION

INSTALLATION

Figure D

DUCT (SHEET METAL) MOUNT:

After location for control is selected, drill a 3/4 inch hole for the

RH sensor (the RH sensor extends from the back of the humidifier

control).

Use 2 sheet metal screws, 3/4 inch long (not provided), to mount

the humidifier control. Use the mounting slot to level the control,

then secure the control with the second sheet metal screw.

Make sure the humidifier control sensor gasket is seated tightly

around the drilled hole. Do not install control without the gasket.

CAUTION

Controller damage or malfunction may occur if installation

instructions are not followed.

Install humidifier control on return plenum only.

Install humidifier control upstream of the bypass outlet or

steam dispersion tube.

Do not install humidifier control facing downward.

DUCT (FIBER BOARD) MOUNT:

After location for control is selected, cut a rectangular hole in the

duct board, no smaller than 6-9/16 inches long by 4-3/8 inches

wide.

Cut a rectangular piece of sheet metal to fit behind the hole in

duct board for mounting the humidifier control.

Drill a 3/4 inch hole for the RH sensor (the RH sensor extends from

the back of the humidifier control) into the sheet metal plate.

Use 2 sheet metal screws, 3/4 inch long (not provided), to mount

the humidifier control.

Make sure the humidifier control sensor gasket is seated tightly

around the drilled hole. Do not install control without the

gasket.

Secure the sheet metal plate, with the humidifier control mounted,

inside the duct (see Figure E).

CONTROL REPLACEMENT:

When replacing an existing control, the duct opening left by the

removed control must be covered completely. Locate and install

the new control as instructed previously in this step.

1110

90-1203B

CONTROL BOARD

COVER

KNOB

BASE PLATE

RETURN DUCT

RETURN

DUCT

SHEET METAL

PLATE

CUT OPENING IN

RETURN DUCT

SHEET METAL PLATE

GASKET

SCREW (x2)

INSIDE OF

RETURN

DUCT

STEP 2: Determine Location for and Mount Outdoor

Temperature Sensor

The location of the outdoor temperature sensor must meet these

3 requirements:

1. Must be mounted on north, east or west side of house out of

direct sunlight.

2. Must be at least 3 feet from all exhaust vents.

3. Must be above expected snow line (see Figure F).

Incorrect humidity levels will result if these requirements are not

met.

Secure sensor bracket with a #8 galvanized screw.

Figure F NORTH, EAST OR

WEST SIDE OF

HOME

OUTDOOR

TEMPERATURE

SENSOR

BRACKET

SENSOR

ABOVE EXPECTED

SNOW LINE

OUTDOOR

TEMPERATURE SENSOR

LEADS

90-998

NOTE: A convenient way to get the sensor wire outside is to

make use of unused wires running to the A/C condensing unit

(if applicable). Other ways are to use existing holes for cable

TV lines, telephone lines, A/C lines, etc. Read all equipment

instructions beforehand for possible conflicts and warnings.

Figure E – Fiber Board Duct Mount

1312

STEP 3: Alternate Location for Outdoor

Temperature Sensor

When mounting the outdoor temperature sensor (ODT) in an

intake air duct, turn the Blower Activation switch to “OFF” (see

Figure J). If left in the “ON” position, over-humidification and

condensation damage could occur.

The sensor can be mounted with a #8 galvanized screw in the

center of either:

• PVC fresh air intake pipe for the HVAC system

• A fresh air intake duct

In both cases, the sensor must be no more than 3 feet from

the outside wall. See Figure G.

If it is not feasible to use the outdoor temperature sensor in any

of the ways described, the humidifier control can be installed

for manual operation. See “Installing the Humidifier Control for

Manual Operation” and Figure J for details.

3 FEET MAX.

CENTER LINE

OUTSIDE WALL

90-999

STEP 4: Route the Wire from Control to Sensor

Run wire to the ODT. Sensor is accurate with lead lengths up to

300 ft.

STEP 5: Attach Sensor Wire to Humidifier Control

Strip wire 1/4 inch, and insert the wires from the sensor into the

terminals labeled “ODT” on the humidifier control. See Figure H

for location of terminals.

Figure H

90-1219B

CAUTION

Do not run ODT alongside wires carrying high voltage (120

VAC or higher).

Figure G

1514

Installing the Humidifier Control for

Manual Operation

If it is not feasible to install the ODT, the humidifier

control can be operated in Manual Mode.

1. Position the mode switch in the “MAN” position.

Manual indicator “M” will be displayed.

2. Apply the “Manual Mode” label to the cover, aligning

the sticker and knob holes.

BLOWER ACTIVATION SWITCH

AUTO/MANUAL MODE SWITCH

Figure J

90-1236B

STEP 6: Model 60 Wiring for Model 400, 500, 600, and

700* Series (Gray Housing) Humidifiers – See Figure K

Strip the wires used for all humidifier control terminal connections

1/4 inch.

NOTES:

• The Model 60 must be continuously powered from “R” and “C”

on the furnace to function properly.

• The minimum volt-ampere required is 2.0 VA.

• In order for the humidifier to operate, the HVAC blower must be

running and the Model 60 must be calling for humidity.

WIRING DESCRIPTION:

• Wire external 24 VAC transformer into a constant power

source other than the heating, ventilation and air conditioning

equipment (HVAC) blower circuit. The transformer can be

powered off the 120 VAC line at the junction box before it enters

the HVAC equipment. Connect the 24 volt side of the transformer

to one of the “H” terminals on the humidifier control and to

one of the humidifier solenoid valve wires. Connect the other

solenoid valve wire to the other “H” terminal.

• Wire “R” and “C” on the Model 60 to “R” and “C” on the

furnace terminal strip.

• Remove the thermostat “G” wire from the furnace terminal strip

and wire it to “G” on the Model 60 control.

• Wire “Gf” on the Model 60 to “G” on the furnace terminal strip.

WARNING

120 volts can cause serious injury from electrical shock.

Disconnect electrical power to the furnace before starting

installation.

NOTE: If control setting was changed between Automatic and

Manual mode, power to the control must be cycled by removing

then reinstalling the R wire.

120 VAC

FURNACE

THERMOSTAT

OR ZONE PANEL

EQUIPMENT

TERMINALS

OUTDOOR

TEMPERATURE

SENSOR FOR

AUTOMATIC

MODE

NORTH, EAST

OR WEST SIDE

OF HOME

ABOVE EXPECTED

SNOW LINE

CONTINUOUSLY POWERED

24 VAC TRANSFORMER

PROVIDED WITH HUMIDIFIER

CONNECT

TO HOT WATER

SUPPLY

CONNECT

DRAIN LINE

HERE

OUTPUTSINPUTSPOWER

CRHHODTGfA

ADHC TERMINAL STRIP

1716

Figure K – Model 60 Wiring for Model 400, 500, 600

and 700* Series (Gray Housing) Humidifiers

90-1510

• Wire “W” on the Model 60 to “W” on the furnace terminal strip.

• Replace cover and knob.

*See note on page 18.

STEP 7: Model 62 wiring for Model 800 Series Steam

Humidifier and Model 60 Wiring for Model 700* Series

(Almond Housing) Humidifiers – See Figure L

Strip the wires used for all humidifier control terminal

connections 1/4 inch.

NOTES:

• The Model 62 must be continuously powered from “R” and “C”

on the furnace to function properly.

• The minimum VA required is 2.0 VA.

• In order for the humidifier to operate, the HVAC blower must

be running and the Model 62 must be calling for humidity.

WIRING DESCRIPTION:

• Wire “H” terminals on the Model 62 to the “Humidifier”

terminals on the Model 800 control board.

• Wire “R” and “C” on the Model 62 to “R” and “C” on the

furnace terminal strip.

• Remove the thermostat “G” wire from the furnace terminal

strip and wire it to “G” on the Model 62 control.

• Wire “Gf” on the Model 62 to “G” on the furnace terminal

strip.

• Wire “W” on the Model 62 to “W” on the furnace terminal

strip.

• Replace cover and knob.

WARNING

120/240 volts may cause serious injury from electrical

shock. Disconnect electrical power to the furnace and

humidifier before starting installation.

CAUTION

Model 700 series humidifiers with almond housings (produced

prior to October 2007) wired per Figure K will experience

circuit board damage rendering the unit inoperable. See

Figure L for proper wiring diagram.

1918

OUTPUTSINPUTSPOWER

CRHHODTGfA

ADHC TERMINAL STRIP

MODEL 800

STEAM HUMIDIFIER

OUTDOOR TEMPERATURE SENSOR

FOR AUTOMATIC MODE

FURNACE

THERMOSTAT

OR ZONE PANEL

EQUIPMENT

TERMINALS

Figure L – Model 62 wiring for Model 800 Series Steam

Humidifier and Model 60 Wiring for Model 700* Series

(Almond Housing) Humidifiers

90-1511

*Model 700 Series humidifiers produced prior to October

2007 have an almond color housing and internal transformer

providing 24VAC to the solenoid valve. Models produced after

October 2007 have a gray housing and external transformer

provided with the unit. For zoned HVAC systems, refer to the

THERMOSTAT IN A ZONED HVAC SYSTEM section found

in the Series 800 Steam Humidifier Installation and

Maintenance Instructions for instructions pertaining to

ductwork and wiring.

1. Replace the cover by snapping it into the humidifier control

base. Also replace the knob onto the control.

2. Turn Blower Activation switch to “OFF.”

3. Restore power to the HVAC system.

4. Activate the HVAC system or heat pump (fan or heat).

5. Once the blower is operating, rotate the knob of the

humidifier control clockwise to the “Test/Reset” position.

When the knob is set in the “Test/Reset” position, the green

“Humidifier On” light will illuminate. After 5 seconds, the

green “Humidifier On” light will blink, indicating a system

reset.

6. If the humidifier control and humidifier are set up properly,

you should hear the solenoid valve click into the open

position. On the Model 800 steam humidifier, the “Steam”

light will illuminate green. In the “Test/Reset” position, the

humidifier will operate for 1 minute. If the humidifier control

is left in the “Test/Reset” position for more than 1 minute,

the “H” terminals will open (closing the solenoid valve). The

knob and display backlights will flash, and the digital display

will show the software revision level (e.g.,“r1”) indicating that

the humidifier control is still in the “Test/Reset” position.

7. If the humidifier does not activate with the humidifier control

in the “Test/Reset” position, refer to the troubleshooting

guide.

Blower Activation Test

• Deactivate HVAC system or heat pump.

• Turn knob to “OFF.”

• Set switch to Blower Activation “ON.”

SYSTEM CHECKOUT

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