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HUMXXSFP1012

Installation Instructions

Small Fan Powered Humidifier

and Humidistat

A13314

Fig. 1 -- Small Fan Powered Humidifier

NOTE

: Read the entire instruction manual before starting the

installation.

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance,

or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury or property

damage. Consult a qualified installer, service agency or your
distributor or branch for information or assistance. The qualified

installer or agency must use factory--authorized kits or accessories

when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these

instructions thoroughly and follow all warnings and cautions
included in literature and attached to the unit. Consult local

building codes and the current edition of the National Electrical

Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical

Code CSA C22.1.

Recognize safety information. When you see this symbol

on

the unit and in instructions or manuals, be alert to the potential for

personal injury. Understand the signal words

DANGER

,

WARNING

, and

CAUTION

. These words are used with the

safety--alert symbol.

DANGER

identifies the most serious hazards,

which

will

result in severe personal injury or death.

WARNING

signifies hazards, which

could

result in personal injury or death.

CAUTION

is used to identify unsafe practices, which

may

result

in minor personal injury or product and property damage.

NOTE

is used to highlight suggestions which

will

result in enhanced

installation, reliability, or operation.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury

or death.
Before installing or servicing system, always turn off main

power to system. There may be more than one disconnect

switch. Lock out and tag switch with a suitable warning label.

!

WARNING

UNIT DAMAGE HAZARD

Failure to follow this caution may result in unit damage.
Unit must not be installed where freezing temperatures could

occur. Do not install unit on the furnace or fan coil jacket. Do

not install unit where ends of cooling coil could restrict

airflow to the humidifier. Condensation damage could occur if

home has closed--off, unheated rooms.

CAUTION

!

INSTALLATION

The small fan powered humidifier can only be installed on the

supply plenum of a forced--air system. This unit requires an

external 115--vac (fused) plug--in receptacle near the equipment for
proper operation.
It is recommended to install the humidifier where it can be easily
serviced.

Step 1 — Inspect Package and Check Equipment

1. Inspect contents of packaged humidifier. If shipment is

damaged, file claim with shipping company.

2. Confirm the package contains the following:

a. Humidifier base (with drain spud bottom)

b. Water panel

c. Water distribution tray

d. Humidifier cover (containing fan and cord)

e. Humidistat

f. Saddle valve

g. Sheet metal screws
h. Installation Instructions / Owner’s Guide / Warranty

Certificate

Summary of Contents for HUMXXSFP1012

Page 1: ...ry or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or d...

Page 2: ...evaporator pad removal NOTE The humidifier is not suitable for installation on ducts with horizontal airflow Performance will be reduced VERTICAL EVAP COIL A13330 Fig 3 Installation Location of Fan type Humidifier Step 3 Prepare Plenum Opening 1 In the selected location on the supply plenum carefully mark the maximum dimensions of the opening 11 3 8 in 29 2 cm wide by 11 1 4 in 28 6 cm high NOTE T...

Page 3: ...t tached to that end Distribution Tray Note Black Marking indicates top of pad A13327 Fig 6 Water Distribution Tray Placement 8 Place the water panel with attached distribution tray inside the base frame making sure the tray ends slide over the guide flanges and that the tray top flange seats flush The black marking indicates the top of pad 9 Attach the front panel assembly to the frame ensuring t...

Page 4: ...r line with the saddle valve The saddle valve should completely penetrate the supply line and be fully open Refer to instructions on packaging of saddle valve A13326 Fig 10 Pierce Water Line with Saddle Valve 5 Open the water supply line 6 Check for leaks at saddle valve and at solenoid valve con nections Step 7 Install the Humidistat The humidistat included with this unit can be either wall mount...

Page 5: ... 24VAC MIN 10 VA A13316 Fig 12 Typical Wiring to Standard Fan Coil INDOOR UNIT EQUIPMENT CONTROLLER C HUM 24 VAC LEADS HUMIDIFIER HUMIDIFIER CORD PLUGGED INTO 120 VAC POWER SOURCE A13317 Fig 13 Typical Wiring for Zoning Hook Up HUMIDIFIER 24 VAC LEADS HUM C D C B A INDOOR UNIT HUMIDIFIER CORD PLUGGED INTO 120 VAC POWER SOURCE A13318 Fig 14 Wiring for New Communicating Control Hook Up ...

Page 6: ...ult Lower humidistat setting in small steps until condensation disappears However if air is too dry raise the setting The table below should be used as a guideline for recommended humidistat settings RECOMMENDED HUMIDISTAT SETTING OUTSIDE TEMPERATURES RECOMMENDED HUMIDISTAT SETTING 20 F 29 C 15 10 F 23 C 20 LO 0 F 18 C 25 10 F 12 C 30 20 F 7 C 35 30 F 1 C 40 MED Step 10 Final Steps 1 Inform homeow...

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