Specification

ManualsBrandsResideo ManualsHVAC AccessoriesFan and Limit Control with 5 in. Insert

Table Of Contents

INSTALLATION INSTRUCTIONS

68-0024-02

L4064A-F, J, R, T, W, Y

Fan and Limit Controllers

APPLICATION

L4064 combination warm air fan and limit controllers are

suitable for all types of forced air heating systems.

FEATURES

• L4064A-F,J and R turn fan on and off according to plenum

temperature.

• L4064T,W,Y and have a bimetal heater switch which turns

fan on approximately 20 to 90 seconds under normal

conditions after the thermostat calls for heat. Fan turns

off according to plenum temperature.

• The L4064B,D,F,R and W have a manual fan switch which

overrides the fan set points and keeps the fan running

continuously.

• The L4064J and R have a special high temperature range

suitable for gravity heating systems (gas, oil, coal, wood).

• Variety of fan and high limit setting ranges available.

• Standard wire push-in terminals and female receptacles

are provided to speed installation.

• Rigid or swivel bracket mounting, or surface mounting.

• Suitable for line voltage, low voltage, or millivoltage

control applications.

• Slotted wiring knockouts for easy installation.

• L4064 adapts to most competitive mounting holes for

ease in replacement installations.

IMPORTANT

The specifications given in this publication do not

include normal manufacturing tolerances. There-

fore, this unit may not match the listed specifica-

tions exactly. Also, this product is tested and

calibrated under closely controlled conditions, and

some minor differences in performance can be

expected if those conditions are changed.

M38129

Summary of content (12 pages)

PAGE 1
L4064A-F, J, R, T, W, Y Fan and Limit Controllers INSTALLATION INSTRUCTIONS FEATURES • L4064A-F,J and R turn fan on and off according to plenum temperature. • L4064T,W,Y and have a bimetal heater switch which turns fan on approximately 20 to 90 seconds under normal conditions after the thermostat calls for heat. Fan turns off according to plenum temperature. • The L4064B,D,F,R and W have a manual fan switch which overrides the fan set points and keeps the fan running continuously.
PAGE 2
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS SPECIFICATIONS Models: L4064A-F,J,R,T,W and Y Fan and Limit Controllers. See Table 1 and 2. Table 1 gives specifications in Fahrenheit degrees. Table 2 gives specifications in Celsius degrees. Table 1. L4064 Specifications in Degrees Fahrenheit.
PAGE 3
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS ACCESSORIES: 1. 110265A Rigid Bracket-single wing, with No. 8 — 32 setscrew. 2. 129250A Rigid Bracket-double wing, with No. 8 — 32 setscrew. 3. 32612A Swivel Bracket 4. 137813 Strain Relief Bushing (2). 5. 857780AFC leadwires (2) with 1/4 in. [6.4 mm] male flag connectors attached. MAXIMUM ELEMENT TEMPERATURE: L4064A-F,T,W,Y – 350 F [177 C]. L4064J,R – 250 F [121 C] above limit setting. MAXIMUM SURFACE MOUNTING TEMPERATURE: 190 F [88 C].
PAGE 4
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS INSTALLATION Surface Mounting When Installing this Product... L4064A,B,E,F,T,W,Y 1. 2. 3. 4. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. Installer must be a trained, experienced service technician.
PAGE 5
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS Swivel Mounting L4064A,B,E,F,J,R,T,W,Y may be swivel-mounted. The swivel bracket requires a 1-9/16 in. [39.7 mm] hole in the plenum (Fig. 4). 1. 2. 3. Use bracket as a template to make the location of mounting holes in plenum. Drill or punch holes for mounting screws. Fasten the bracket in place with furnished screws. Start the screws but do not tighten. Insert element tube through bracket, straighten controller, and fasten.
PAGE 6
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS 1. To remove the slotted knockout(s), if any, use a needlenose pliers as shown in Fig. 6 and pull straight down. Fig. 6. REMOVING SLOTTED KNOCKOUTS. Fig. 7. INSERT STRAIN RELIEF BUSHING. 2. 3. 4. 68-0024—02 6 If cable is used, we recomend using a strain relief bushing in the knockout (Fig. 7). Bushing is available from your local electrical supply. The open side of the bushing should face the open side of the knockout.
PAGE 7
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS 3. Push male flag connector directly into the female receptacle. Make sure that the flag is forced to the bottom of cavity and wire is in the channel (Fig. 9). IMPORTANT Make certain all wires are clear of rotating scaleplate. WIRING GUARD FEMALE RECEPTACLE FOR CONNECTION OF 1/4 IN. [6.4mm] MALE SPADE TERMINAL (4) 10 F OF AN F ON 0 IT M LI FF O 150 20 0 STANDARD WIRE TO CONTROLLED EQUIPMENT LIMIT FAN STRIP GAUGE PUSH MAN PULL AUTO Fig. 8.
PAGE 8
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS A JUMPER REMOVED B L4064 L4064 FAN LIMIT SIDE SIDE FAN LIMIT SIDE SIDE C L4064 3 (HOT) L1 POWER 1 SUPPLY L2 FAN MOTOR FAN MOTOR 1 (HOT) L1 POWER 1 SUPPLY L2 2 JUMPER REMOVED FAN LIMIT SIDE SIDE JUMPER IN PLACE 120V (HOT) L1 POWER SUPPLY L2 24V 2 HEATING SYSTEM TRANSFORMER FAN MOTOR 1 ADD DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 TO CONTROLLED LOW VOLTAGE EQUIPMENT. 3 TO CONTROLLED LINE VOLTAGE EQUIPMENT.
PAGE 9
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS 2. Table 5. L4064T,W,Y Fan Off Time (in Seconds). Heater Wrapped Bimetal Fan Switch Applied Voltage Ambient 23.0 V 24.0 V 27.6 V Temp. Min. Ave. Max. Min. Ave. Max. Min. Ave. Max. ºF 50 45 75 72 55 115 60 120 50 90 140 85 130 190 120 200 60 120 220 90 165 260 140 235 85 165 270 110 200 280 NOTES: The “fan-off” lever is set at 120° F. (Lower setting will decrease fan off time, higher setting will increase fan off time.
PAGE 10
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS 68-0024—02 10
PAGE 11
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS 11 68-0024—02
PAGE 12
L4064A-F, J, R, T, W, Y FAN AND LIMIT CONTROLLERS www.resideo.com Resideo Technologies, Inc. 1985 Douglas Drive North, Golden Valley, MN 55422 1-800-468-1502 68-0024—02 M.S. Rev. 04-21 | Printed in United States © 2021 Resideo Technologies, Inc. All rights reserved. This product is manufactured by Resideo Technologies, Inc. and its affiliates.