L4064B, L4064R UNIVERSAL COMBINATION FAN AND LIMIT CONTROLLERS Do not exceed the following electrical ratings (amperes): 1. Remove cover by removing screw, squeezing sides and pulling off. Insert element in plenum and mark Table 1. Electrical Ranges location of mounting holes. Make sure the case is 120 Vac 240 Vac snug against the plenum before marking the mounting holes. FAN LIMIT FAN LIMIT 2. Punch or drill holes for mounting screws. Full Load 14 8 7 4 3. Place insulation between plenum and case Locked Rotor 84 48 42 24 4. Fasten controller securely with mounting screws. if necessary. Pilot Duty: 2 A at 24 Vac; 0.25 A at 0.25 to 12 Vdc. (167 ºF) (min.) field wiring required. Wiring must conform Swivel Mounting (Fig. 2 Maximum Combined Connected Load: 2000 VA. 75 ºC to NEC Class 1 requirements. The L4064B and L4064R may be swivel-mounted. The swivel bracket requires a 1-9/16 in. (39.7 mm) hole in Approval the plenum. — IP20 compliance — CE pin number 0085BM0320, valid for B type. 1. Use bracket as a template to make the location of — DIN Certco registration: mounting holes in plenum. Drill or punch holes for L4064B IS Classified as TR/TW; mounting screws. — CSA certified file #LR1622 2. Fasten the bracket in place with furnished screws. — UL listed file #LR1322-336 Start the screws but do not tighten. 3. Insert element tube through bracket, straighten conLOCATION troller, and fasten. Tighten the mounting screws securely. It may be necessary to rotate the bracket to tighten all screws securely. If this is a replacement installation, locate the L4064 in the same location as the control being replaced. Sensing tube length should be same as old control. If this is a new installation, the element should be installed only by a 32612A SWIVEL trained, experienced service technician according to the BRACKET furnace manufacturer’s instructions. The element must not touch any internal part of the furnace. temperature of 190 ºF (88 ºC). If plenum surface temperature exceeds 190 ºF (88 ºC), heat insulating material or mounting bracket must be used. REQUIRE 1-9/16 IN MOUNTING [39.7mm] DIAMETER HOLE IN PLENUM The devices may be mounted as follows:

L4064B — Swivel mount FURNACE

L4064R — Swivel mount PLENUM M31164 FURNACE Fig. 2. Swivel mounting requires a 1-9/16 in. (40 mm) PLENUM diameter mounting hole for element insertion. ADD HEAT INSULATING MATERIAL IF NEEDED M31163 Fig. 1. Surface mounting for L4064B requires a 13/16 in. (20.6 mm) hole. Surface Mounting (Fig. 1) L4064B—Hole in plenum should be just large enough to accommodate the 3/4 in.(19.1 mm) diameter element tube. A 13/16 in. (20.6 mm) diameter hole is M34080 recommended. Fig. 3. Swivel mount (front view).