GeneralAire E2 User Manual

E2 Humidistat

INTRODUCTION

Thank you for selecting the GENERALAire E2 Humidistat. A professional technician should install the unit.

FRONT VIEW

1. Operation modes

2. Moisture is being added into the environment

3. Humidity / temperature reading : Toggle between OFF, MANUAL and AUTO

modes (if outdoor sensor is connected)

: Toggle between indoor humidity and indoor / outdoor temperature displays (if outdoor sensor is connected)

6. °C / °F: Select temperature unit

7. Wall mount cover. Squeeze top-bottom to open.

8. Humidity index chart

9. Outdoor temperature reading is displayed

10. Temperature / humidity setting is displayed

11. Temperature / humidity offset is displayed

12. Indoor temperature / humidity reading i / : Increase / decrease setting; enter

13.

humidity / temperature offset setting

BACK VIEW

14.

TO MOUNT THE UNIT

NOTES

• To remove the humidistat from the base, squeeze

• To remove the humidistat from the wall, lift up on

• Before wall mounting, please remove the gasket.

• Before return air duct mounting, please remove the

• If return air duct mounting, route wires between

MOUNT THE OUTDOOR SENSOR

Mount the sensor outside the house:

• Do not mount on South side of the house or in

• Place at least 4 feet away from any exhaust vent.

• If in air intake, place 1 foot or closer to outside wall.

• Place at least 6” higher than possible snow.

• Do not route sensor wire near high voltage wires.

Removable terminal block for wire connections.

the louvered base at the top and bottom. the humidistat and pivot top away from wall

breakout piece. Remove terminal block for wiring.

tat and base.

humidis

direct sunlight.

s dis

played

14.

WIRING

• If Outdoor Temperature is over 50°F or 10°C, a safety stop will prevent calling for humidity. Test circuit by removing one outdoor sensor wire.

• Confirm correct outdoor temperature reading. If temperature reading is high, use Diagram for GREATER THAN 20 FEET.

WIRING OUTDOOR SENSOR LESS THAN 20 FEET

SNSR

HUM

ACN

ACL

SNSR

COMMON GROUND

SNSR

20 FEET MAX.

HUMIDIFIER CONTROL LEADS (YELLOW WIRES)

(NOT USED IN MANUAL MODE)

FIELD SUPPLIED

WIRING OUTDOOR SENSOR GREATER THAN 20 FEET

HUM

ACN

ACL

FIELD SUPPLIED

COMMON GROUND examples: Water pipe, metal duct, household electrical safety ground, conduit. The wire from the unit and the wire from the sensor must both be connected to the same common ground, for example both to water pipe OR both to the household safety ground.

NOTE: Separate sensor and common ground by at least 4 inches. Ex: Don’t lay the wire on the metal conduit or duct used for the ground.

WIRING TO 24V. BYPASS HUMIDIFIER

AC N

AC L

HUM

727-58 24 V. TRANSFORMER OR 24 VAC POWER SUPPLY SWITCHED WITH FURNACE OPERATION

WIRING TO 1137, 1000 POWER HUMIDIFIER

AC N

AC L

HUM

24V OUTPUT FROM HUMIDIFIER (RED WIRES) OR 727-58 24 V. TRANSFORMER SWITCHED WITH FURNACE OR OR 24 VAC POWER SUPPLY SWITCHED WITH FURNACE.

WIRING TO DS-15, RS-15, CS-15, DS-35, RS-35, CS-35 ELITE STEAM HUMIDIFIER

SNSR

AC N

AC L

HUM

SPLICES: NO MORE THAN ONE PER LEAD.

300 FEET MAX.

JUMPER WIRE

OUTDOOR TEMP. SENSOR

(NOT USED IN MANUAL MODE)

OUTDOOR TEMP. SENSOR (NOT USED IN MANUAL MODE)

OUTDOOR TEMP. SENSOR

OR 24V. DRUM MOTOR

SPLICES: NO MORE THAN ONE PER LEAD.

HUMIDIFIER 24V.

SOLENOID VALVE

N2 GND N1 AB AB GND

NO C

ALARM

C NO

EXT FAN

GND 24V

TO USE THE UNIT

Press to select OFF, MANUAL or AUTO mode (if outdoor sensor is connected).

• OFF mode: The humidifier is turned off.

• MANUAL mode: The E2 will work to maintain the

single humidity selected. You can set your desired humidity level by pressing

or . The humidifier will turn ON or OFF according to your manual setting. (The humidifier will operate when the measured relative humidity falls more than 2% below the set point.) Humidity will have to be lowered when weather is colder or if condensation is suspected.

Suggested Setting Outdoor Temperatures 15% -20 -29 20% -10 -23 25% 0˚F -18˚C 30% +10 35% +20 - 7 40% +30 - 1

˚F ˚C ˚F ˚C

˚F ˚C

˚F ˚C ˚F ˚C

• AUTO mode: The E2 will automatically raise the humidity as

the outdoor temperature increases. This provides the highest possible humidity. The E2 will automatically lower the humidity as temperatures drop. This minimizes the risk of condensation on cold surfaces like windows. You can adjust the Auto Humidity Index Set Point from 0 (low) to 10 (high) by p

ress

ing or . The Humidity Index is based on the outdoor temperature and indoor humidity. The humidifier will switch ON/OFF according to the calculated auto humidity index set point. Lower Index settings are for older homes with less insulation and vapor barriers. Higher Index settings are for newer homes with complete vapor barriers, triple pane windows and high R-value insulation. If condensation occurs

e Index setting by 2 points until

reduc

condensation stops. NOTE If the outdoor temperature sensor fails,

flashes and the unit will default to MANUAL mode.

• To toggle between indoor / outdoor temperature and indoor humidity: Press

• To change the temperature unit: Press °C / °F.

• To set the temperature / humidity offset in

MANUAL or AUTO mode:

1. Simultaneously press

and when viewing the

temperature or humidity reading.

2. Use

3. Press

or to change the setting (-3 to 3).

and simultaneously or wait 5

seconds to confirm and move onto the next setting.

• Lo or Hi will flash on the display when:

MEASUREMENT

Indoor temp. Outdoor temp. Below -40oC

LO HI

Below 0oC

(32

(-40

Above 99 Above 50 (122

F(37oC)

Humidity Below 10% Above 90%

• If power is lost, current settings are retained.

PRECAUTIONS

This product is engineered to give you years of satisfactory service. Here are a few precautions:

• Do not allow excess humidification. Excess

humidity can cause condensation and enable mold and mildew growth.

• Do not tamper with the unit’s internal components.

The unit contains no user-serviceable parts.

• The contents of this manual may not be reproduced

without the permission of the manufac

NOTE The technical specifications for this product and

turer.

the contents of the user manual are subject to change without notice.

SPECIFICATIONS

TYPE DESCRIPTION

Dimensions H x W x D

84 x 84 x 20 mm

(3.3 x 3.3 x 0.8 in.) Weight 95.4 g (3.4 ounces) Temperature unit °F / °C Temperature operating

range

32°F to 99°F

-0°C to 37°C Temperature resolution 2°F (1 °C) Humidity range 10% to 60% Humidity resolution 1% Power 18-30 Volts, AC

TECHNICAL SUPPORT

General Filters, Inc. Tel: 248-476-5100 43800 Grand River Engineering@GeneralFilters.com Novi, MI 48375 Form 13144 REV. F.