Hearth and Home Technologies WSK-MLT Manuel utilisateur

Hearth & Home Technologies Inc.

20802 Kensington Blvd., Lakeville, MN 55044

130-911G 12/07

WSK-MLT MULTIFUNCTION WALL SWITCH

- INSTALLATION AND OPERATING INSTRUCTIONS -

Figure 1.

Introduction

The WSK-MLT multifunctional wall switch is designed to

controlﬂameheight,blower speed,and auxiliaryfunctions

on your gas fireplace. For models equipped with the

Intelliﬁresystem (IPI), the cold climate function cancontrol

the pilot ﬂame as well. The wall switch is equipped with

thermostat functions which can automatically control the

temperature in the room in which it is installed. The wall

switch interfaces with both intermittent and standing pilot

systems. An auxiliary function provides 110-120 VAC

sourcefor added featuresthe ﬁreplace may haveinstalled.

Electrical ratings for the control box are 110 VAC, 60 Hz,

and is required for operation of this device.

Installation precautions

Thisremoteistestedandsafewheninstalledinaccordance

with this installation manual. It is your responsibility to

read all instructions before starting installation and to

follow these instructions carefully during installation. Do

not install any components that may be damaged. Do not

modify, disassemble,or substitute any of the components

included with this kit. Installation of this unit must be done

by a qualiﬁed service technician.

Placement of this wall switch may affect performance

or accuracy of the automatic (thermostat) control. An

assessmentofthespaceshouldbedonepriortoinstallation

for optimal performance. See the installation instructions

section I for recommendations.

1.0 Installation instructions

1.1 Determine location

Determine the location for the wall switch. The chosen

location should provide an accessible location in the

same space as the gas ﬁreplace. Never place this unit in

aseparate room. The controlwire suppliedwith this switch

is 33 ft (10M) in length. The distance from the ﬁreplace to

the switch may be lengthened provided that the wire used

neverexceeds50ft,andthatthedistancefromtheﬁreplace

to the switch never exceeds 30 ft.

The switch should be mounted into a listed electrical junc-

tion box. The junction box should be dedicated to this wall

switch. Never install this wall switch into a junction box

that is shared with other electrical service or devices. If

possible,install this unit on aninterior wall of the residence

at a recommended height of 5 ft from the ﬂooring. Should

the switch be installed on an exterior wall, be certain wall

insulationis kept intact and notdamaged ordislodged dur-

ing the installation of the electrical junction box.

For exterior wall installations, it is recommended that the

junction box be sealed with caulking material. This will

minimize heat loss through this location and improve the

accuracy of the automatic (thermostat) operation.

WARNING

Shock Hazard

Do not provide any power to this unit until all

wiringiscompleted.Failure todo somay destroy

parts of this device and render it unusable, and

may lead to possible electrical shock.

Fire Hazard

Modification of any parts or installation of

damaged components will void the warranty,

and you may possibly cause a ﬁre hazard.

NOTE:The electricaljunctionbox providedwiththe ﬁreplace

must be wired with 110 VAC before installing this kit. See

owners manual for details.

All wiring should be done by a qualiﬁed electrician and

shall be in compliance with local codes and with the

National Electric CodeANSI/NFGANo. 70- current (in the

United States), or with the current CSAC22.1 CANADIAN

ELECTRIC CODE (in Canada).

CONTROL

BOX

CONTROL

WIRE

WALL SWITCH

COVER

PLATE

FLAME

SOLENOID

WIRES WITH LABEL "FOR USE WITH WALL SWITCH

ONLY" (LOCATED UNDER FIREPLACE)

BROWN YELLOW

WHITE

BLACK

TOGETHER

CONNECTED

FACTORY

FAN THERMOSTAT

YELLOW

FLAME ON

3V DC

GREEN

RED

BROWN

BLACK

GROUND

BROWN

ADAPTER WIRES

BLACK

RED

BLACK

FLAME HIGH/LOW

SOLENOID

FLAME

MODULE

IPI

ORANGE

BATTERIES

ORANGE

CONNECTION

FAN

PLUG

AC BLACK

BLACK

G W* R

REAR VIEW

FRONT VIEW

CONNECTION

AUX

GREEN

PIGTAIL

GROUND

RED

GREEN

ORANGE

VALVE

IPI

(MALE/FEMALE)

RED

(FEMALE/MALE)

BLACK

RED

GROUND PIGTAIL

GREEN

BROWN

USED

(LOCATED UNDER FIREPLACE)

WIRES WITH LABEL "FOR USE WITH

WALL SWITCH ONLY"

VALVE

FACTORY

CONNECTED

TOGETHER

PLUG

CONNECTION

AUX BLACK

CONNECTION

FAN

YELLOW

FAN THERMOSTAT

FLAME

FLAME HIGH/LOW

SOLENOID

ORANGE

BLACK

ORANGE

RED

BLACK

YELLOW

FRONT VIEW

RED

NOT

BLACK G

REAR VIEW

YELLOW OR

WHITE RED

GREEN

USED

NOT

Figure 2. Standing Pilot Wiring Diagram

Figure 3. Intelliﬁre (IPI) Wiring Diagram

to the electrical junction box and through a provided or

approved strain relief. Using a screw driver, connect the

red wire to the “R” terminal, the yellow or white wire to the

“W” or “Y” terminal, and the green wire to the “G” terminal.

Donot over-tighten. Using the screws provided, mountthe

switch to the electrical junction box right side up. Install

provided cover plate using the screws provided. Do not

usea substitutecover eventhough itmay ﬁt.Theprovided

one is speciﬁcally designed for the automatic (thermostat)

function of the unit.

1.2 Wiring the wall switch

Oncea location ischosen and the electricalbox is installed

proceedasfollows.Installtheprovidedcontrolwirefromthe

ﬁreplace to the switch location. (Control wire for Heatilator

products is supplied with the ﬁreplace). Use caution not

to stress the wire around tight or sharp corners. Do not

run the control wire adjacent to existing or future phone,

data, cable, or electrical lines. The wire should not come

into contact with any part of the ﬁreplace exterior with the

exception of where it exits the outer wrap. Feed the wire

For units WITH factory installed Rocker Switch

*May be labeled as “W” or “Y”.

For units WITH factory installed Rocker Switch

1.3 Installing the control box

Figure 4. Standing Pilot Wiring Diagram

For units WITHOUT factory installed Rocker Switch

Standing Pilot Ignition:

Find these parts packed with WSK-MLT:

• Rocker switch

• Rocker switch bracket

• Strips of Velcro

• Black and white wire pigtails - (2)

• Female ends (only used on Standing Pilot

applications) - (2)

Cut male ends off black wires on each pigtail. Strip each

end of wire approximately 1/4 inch. Slide each stripped

wire into a female end and crimp. Slide rocker switch into

bracket until it snaps into place.Attach end of each pigtail

to each side of rocker switch. Find the top (brown) and

bottom (red) wires from the control box and attach to white

wiresfromrockerswitch.AttachoneblackwiretotheTH/TP

side of gas valve and the other to the TH side of the gas

valve.Attach the Velcro to the bottom of the rocker switch

bracket and mount in a convenient location next to gas

valve. (Refer to Figure 4).

For units WITHOUT factory installed rocker switch.

1. Placecontrolboxintothebasepan areaoftheﬁreplace.

Place unit as close to the louvers or decorative front as

possible and to either the left or right side.

2. Connectthe red, yellowor white, and green wiresto the

appropriate labeled terminals on the control box.

For units WITH factory installed rocker switch.

3. Find the red and brown pigtail wire (labeled “ FOR USE

WITH REMOTE OR WALL SWITCH ONLY”) which are

attached to the ﬁreplace ON/OFF rocker switch.

Standing Pilot Ignition: Connect these wires with the

red and brown wires extending from control box (Fig 2).

Intelliﬁre (IPI): Connect these wires with the brown

wires extending from the control box (see Figure 3).

• Do NOT install the control box when ﬁreplace is hot.

• Do NOT plug control box in until all connections are

complete.

* May be labeled as “W” or “Y”.

YELLOW

WHITE

BLACK

Thermopile

BLACK

WHITE

VALVE

FAN THERMOSTAT

YELLOW

YELLOW TOGETHER

CONNECTED

FACTORY

GREEN

RED

AC PLUG

BROWN

BLACK

RED

BLACK

RED

BLACK

REAR VIEW

FRONT VIEW

CONNECTION

AUX

GREEN

GROUND PIGTAIL

RED

FLAME HIGH/LOW

USED

NOT

G W* R

CONNECTION

FAN

ORANGE

SOLENOID

FLAME

USED

NOT

SWITCH AND WIRE

ASSEMBLY SUPPLIED

WITH WSK-MLT

CAUTION

Intelliﬁre (IPI):

Find these parts packed with WSK-MLT:

• Rocker switch

• Rocker switch bracket

• Strips of Velcro

• Black and white wire pigtails - (2)

• Female ends (not used on IPI applications) - (2)

Slide rocker switch into bracket until it snaps into place.

Attachonepigtail to oneside of rockerswitch and the other

pigtail to the other side of the rocker switch. Find the two

brown wires from IPI module and attach them to the two

black wires from the rocker switch. Find the two brown

wires from the control box and attach them to the white

wires from the rocker switch. Attach the Velcro to rocker

switchbracket and place rocker switchnext to control box.

(Refer to Figure 5).

Proceed to Step 4.

Figure 5. Intelliﬁre (IPI) Wiring Diagram

For units WITHOUT factory installed Rocker Switch

* May be labeled as “W” or “Y”.

BROWN

WHITE

BLACK

YELLOW

WHITE

BLACK

TOGETHER

CONNECTED

FACTORY

FAN THERMOSTAT

YELLOW

FLAME ON

3V DC

GREEN

RED

BROWN

BLACK

GROUND

BROWN

ADAPTER WIRES

BLACK

RED

BLACK

FLAME HIGH/LOW

SOLENOID

FLAME

MODULE

IPI

ORANGE

BATTERIES

ORANGE

CONNECTION

FAN

PLUG

AC BLACK

BLACK

G W* R

REAR VIEW

FRONT VIEW

CONNECTION

AUX

GREEN

PIGTAIL

GROUND

RED

GREEN

ORANGE

VALVE

IPI

(MALE/FEMALE)

RED

(FEMALE/MALE)

BLACK

RED

SWITCH AND WIRE

ASSEMBLY

SUPPLIED

WITH WSK-MLT

Note: The fan rheostat has now been removed from the

circuit and is inoperable. Use the wall switch to change fan

speeds. The fan temperature sensor is still operable and

will turn the fan on and off when the ﬁreplace heats up and

cools down.

5. Removethe screw and knobfrom the variableregulator

and discard.

6. Unscrew the nut from the regulator and discard.

7. Remove the bag containing a washer and blue and red

plungers from the side of the ﬂame control solenoid.

8. Place washer on ﬂame control solenoid (see Figure 6).

4. If equipped with a fan, plug the fan cord into the power

cord labeled “FAN”. Disconnect the two wires from the

fan thermostat switch on the ﬁreplace. Disconnect the

two yellow wires from each other and connect them to

thefan thermostat switch. Use one of theexisting wires

on the thermostat to connect to the proper end on the

male terminated yellow wire.

VARIABLE

REGULATOR

GAS CONTROL

VALVE

FLAME CONTROL

SOLENOID

KNOB

SCREW

NUT

VARIABLE REGULATOR

JAM NUT

VARIABLE

REGULATOR

SOLENOID

WASHER

PLUNGER

Figure 6.

Intelliﬁre (ipi) models only

For units with factory installed rocker switch see Fig. 3.

For units without factory installed rocker switch see

Fig. 5.

14. Disconnect main valve wire (green) from the front of

thevalve. Connectred control wire to red adapter wire

containing one large male end and one small female

end and connect to valve terminal (see Figure 3).

Connect the other red control wire to red adapter wire

containing one large female end and one small male

end and connect the green module wire (previously

disconnected from valve front).

15. Carefully unplug battery pack wires from IPI module.

Plug battery pack into red and black battery wires

(labeled “Battery”).

16. Plug red and black wires from control box (labeled

“3V DC”) to the red and black wires extending from IPI

module (labeled “3V DC”). Red connects to red, black

connects to black.

9. Insert the correct plunger (blue - natural gas, red - pro-

pane) into the ﬂame control solenoid (see Figure 6).

10. Thread the ﬂame control solenoid with correct plunger

into the thread hole in the variable regulator. Turn into

valve approximately two full turns. Do not tighten or

damage may occur.

11. Setthevalvemanifold pressure to thepropersetpoint.

The setpoint is adjusted by rotating the solenoid to

adjust its depth into the valve. Using a manometer

to monitor pressure, rotate the solenoid so that the

output is set to proper range.

12. Tighten the jam nut on the threaded shaft of the

solenoid against the valve regulator. Use an open-

ended ½” wrench to tighten the nut, while holding

the solenoid in the proper position. This step will en-

sure that the solenoid remains locked into the proper

position.

13. Connect orange wires from control box to the ﬂame

control solenoid.

14. Ground the control box by attaching the green ground

wire (has round ring-terminal on end) to the ﬁreplace

base pan or appropriate ground.

13. Connect auxiliary functions. This unit is equipped with

a 110 VAC supply cord (labeled “AUX”) for controlling

auxiliary functions such as an electric ember bed.

Lay the control box and wires ﬂat on the base pan to avoid

potential overheating problems.

NOTE: Transformer supplied with the IPI system is NOT

used.Disconnectthe transformer fromtheelectricaljunction

box.Transformermay be removedfromthe ﬁreplace, butwe

recommend leaving it connected to the IPI module.

CAUTION

2.2 Wall Switch Button Operation

(Refer to Figure 7)

Flame Button

• Button Press: Unit On / Flames High, Turns on auxiliary

power

• Button Press: Flames Low

• Button Press: Unit Off / Flames Off, Turns off auxiliary

power

Fan / Blower Button

• Button Press: Fan High (“3”)

• Button Press: Fan Medium (“2”)

• Button Press: Fan Low (“1”)

• Button Press: Fan Off

Temperature Button

• Button Press will toggle between Automatic and Manual

Operation

• PressandHoldthebuttonfor3secondstotogglebetween

Fahrenheit and Centigrade Temperature Display.

Automatic Operation: Controller will monitor temperature

and control unit according to the set point.

ManualOperation: Controller willnotautomatically change

settings.

SET

Set Temperature Button

• Button Press: Displays Set Point

• Use Up and Down Arrows to Adjust Set Point

• Press Set Button to Store New Set Point

Temperature Set Point can be adjusted between the ranges of:

45-900Fahrenheit or 7-320Centigrade

NOTE: The controller will turn off the ﬁreplace at 20F over

set point and turn it back on at 20F below set point.

Up and Down Arrows

• Push to adjust set point temperature under automatic

control.

AUX

Auxiliary Button

• Button Press: Turns on auxiliary power

• Button Press: Turns off auxiliary power

Can be operated independently of all functions.

2.0 Operating Instructions

For units WITH factory installed rocker switch.

The ON/OFF rocker switch on the ﬁreplace (located near

the gas valve) must be in the “OFF” position for use with

theWSK-MLTsystem.TheON/OFFrockerswitch will NOT

function with this device on Intelliﬁre (IPI) models except

during a power outage.

For units WITHOUT factory installed rocker switch.

The ON/OFF rocker switch now installed on the ﬁreplace

must be in the OFF position for use with the IPI or stand-

ing pilot system. The ON/OFF rocker switch will only be

used to control the ﬁreplace in a no-power condition. For

standing pilot systems use the rocker switch to turn the

ﬁreplace on and off. When power is restored switch the

rocker switch to OFF. For IPI system refer to “Operation

Under Battery Power” for instructions.

After all connections are made and the control box is

grounded, plug power cord into the ﬁreplace junction box.

The wall switch will be functional at this time.

Figure 7.

2.1 Setting Flame Height/manifold pressure

(To be done by a qualiﬁed service technician). Upon initial

power-up of this device, valve pressure must be set for

ﬂame adjustment.

• Loosen output pressure tap on valve and connect with

pressure manometer.

• Press ﬂame button once (Fig. 7); ﬁreplace will light with

ﬂames on high.

• Turn solenoid clockwise to increase pressure, counter-

clockwise to decrease pressure until manifold pressure

on high is 3.5” water column for natural gas (NG), 10.0”

water column for propane (LP).

• Oncepressureisachievedspinjam-nuton solenoid stem

tight against regulator face to prevent rotation. Do not

overtighten.

• Press ﬂame button twice to turn ﬁreplace off.

• Remove manometer tube and tighten or close pressure

tap. Use a soap solution to carefully check the pressure

tap for leaks.

NOTE: The temperature displayed by the wall switch may

take up to 30 minutes to stabilize on initial power-up.

NOTE: Check control box and assure switch is in the “OFF”

position. This switch is only used on Intelliﬁre (IPI) control

systems under battery operation.

INTELLIFIRE (IPI) MODELS ONLY

Cold Climate Button

• Button Press: Turns on Climate Control

• Button Press: Turns off Climate Control

Thisallows the pilot ﬂame to stay litwhen activated, a ben-

eﬁt of this is reduced condensation on the glass at start-up

in colder climate conditions.

Operation Under Battery Power

Aswitch on the control box allows for battery power under

no-power conditions (see Figure 8). By controlling the

power supply with this switch, the batteries are supplying

power only when needed, thus extending battery life. The

switch also provides a convenient means for switching to

battery power should there be a loss of 110 VAC power to

the control box.

• In the event of a power failure, switch the battery

operation switch to the “Battery ON” position.

• The ﬁreplace can now be turned on and off with the ON/

OFF rocker switch located near the gas valve.

• The wall switch functions will not operate under battery

power.

• Underbattery controlthe onlyavailable functionis ﬂame

“On” and “Off” in the high position.

• To maximize battery life, and to restore full function

capability of the wall switch, ﬂip switch to “OFF” position

after 120 VAC power is restored.

SERVICE PARTS LIST

Child Proof Mode

To Enter Child Proof Mode:

• Pressthe UpArrow Buttontwice and DownArrowButton

once. The unit will send out 3 beeps and an indicator in

the LCD panel will show that the child proof is on.

To Leave Child Proof Mode:

• Pressthe UpArrow Buttontwice and DownArrowButton

once. The unit will send out 3 beeps and the indicator in

the LCD panel that shows that the child proof is on will

disappear.

Figure 8

DESCRIPTION SERVICE PART NO.

SOLENOID HTI-17-006

WALL SWITCH/KEY PAD HTI-12-007

CONTROL WIRE HTII-23-007

COVER PLATE HTI-21-007

CONTROL BOX HTI-13-007

ACTUATOR PINS HTI-17-116

SWITCH KIT HTI-25-007

BATTERY

OPERATION

SWITCH

“BATTERY ON”

POSITION

CONTROL

BOX

“OFF”

NOTE: When in Child Proof Mode, only the arrow buttons

will have functionality. Unit can enter Child Proof when the

ﬁreplace is on or off.

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