All Sizes (155ºF), auto. yellow ADFH. All Sizes 50, 75, , (228ºF) , (306ºF) 150, , , 400

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1 orm P-N&LIMIT (10-15) Obsoletes orm P-N&LIMIT (03-15) IMPORTNT 1. lways include complete heater model and serial number so that any specification change can be considered for parts shipment. It can save time and expense. 2. heck temperature setting on control being replaced. 3. We reserve the right to substitute functional replacements. 4. Specifications are subject to change without notice. PPLIS TO: Replacement Parts/Service unctional Replacement an/lower ontrols and Limit ontrols Table of ontents STION 1 - Table 1, unctional Replacement an/lower and/or Limit ontrols for currently manufactured Models/Series.1 STION 2 - Table 2, unctional Replacement an/lower & Limit ontrols for no-longer-manufactured Models/Series... 3 STION 2 - Installing Replacement an ontrol on Models ()XL, ()XL, ()XL, and ()XL...6 STION 2 - Installing unctional Replacement for iscontinued an ontrol, Relay Kit P/N STION 1 TL 1 - unctional Replacement an/ lower N/OR Limit ontrols by Heater Model Group listed alphabetically (applies to currently manufactured units) ootnotes for TL 1: IMPORTNT: lways verify temperature setting of the original control. Model Sizes 50, 75, & 100 manufactured prior to 9/96 use limit control, P/N (180 ). Models and with spark pilot manufactured after 9/99 (Serial No. ate ode YJ) do not have an O limit control. P/N is a relay kit to replace discontinued fan control P/N Kit includes instructions. urnace next to the blower. Second furnace from the blower Third furnace from the blower. Model Size Limit ontrol an ontrol (130º), auto, orange Sizes (135º), manual, pink (306º), O evice (155º), auto. yellow H Sizes (175º), manual, tan (306º), O evice (180º), auto, white 50, 75, (200º), auto, yellow (150º) (150º), auto, white O Limit ontrol for U , (228º) , (306º) 150, (270º) w/60" capillary lame Rollout Limit, , (225º) 250, (300º) w/54" capillary lame Rollout Limit, , (275º) 350, (270º) w/60" capillary lame Rollout Limit, , (225º) (H)U 45602, (180 ), auto, white , (200º), auto, yellow (135º) , (200º), auto, yellow (135º) 75, , (200º), auto, yellow (135º) , (180 ), auto, white (135º) 130, , (160 ), auto, red (135º) , (200 ), auto, yellow (135º) 250, 300, , (180 ), auto, white (135º) O Limit ontrol for LP OH PH/SH/RH , (228º) , (306º) 400 Limit, (150 ), white Limit, (240 ), auto, silver 800 (2) Limit, (150 ), white (2) Limit, (240 ), auto, silver 1200 (3) Limit, (150 ), white (3) Limit, (240 ), auto, silver Linear Limit w/60" apillary, (270 ), auto 95 an & Limit ontrol ssembly, P/N , 190 an & Limit ontrol ssembly, P/N " apillary, uto Reset, P/N (190 ), yellow " apillary, uto Reset, P/N (240 ), green " apillary, uto Reset, P/N (300 ), red PH/RH P/N , uto Reset, 3/4" disc MPS III 100 P/N (240 ), 22" capillary, auto, white R, R P/N , 60" apillary, uto Reset, (270 ) Gas Heat P/N , 60" apillary, uto Reset, (270 ) Section P/N 82414, O, 306 (continued on page 2) orm P-N&LIMIT (10-15), P/N R6, Page 1

2 STION 1 (cont'd) TL 1 (cont'd) - unctional Replacement an/ lower N/OR Limit ontrols by Heater Model Group listed alphabetically (applies to currently manufactured units) ootnotes for TL 1 (cont'd): IMPORTNT: lways verify temperature setting of the original control. P/N is a relay kit to replace discontinued fan control P/N Kit includes instructions. urnace next to the blower. Second furnace from the blower Third furnace from the blower. R Model Size Limit ontrol an ontrol MPS III R, R lectric Heat Section (H)-RG, RG, RP, RP, HRP, RP, RP Series 8 ()-RGL, RPL, PGL and SSL manufactured beginning 12/96 (Serial No. ate ode VL) (135º) auto, pink (150º) Manual Limit (306º) lame Safety Limit , 3/4" disc, auto reset, orange label /600/ 700/ / , (125 ), auto, white 50418, (145 ), auto, blue 60" Limit, , (270 ), auto 50418, (145 ), auto, blue 57953, (170 ), auto, green 60" Limit, , (270 ), auto 50417, (125 ), auto, white 50418, (145 ), auto, blue 57953, (170 ), auto, green 60" Limit, , (270 ), auto (H)-RX, RX, RPV Series , (125 ), auto, white S Series , (125 ), auto, white O Limit ontrol for S Series 6 (use prior to 12/99 - Serial No. ate ode (306 ) YL) 130, 180, " apillary, uto Reset, P/N (240 ), green SHH " apillary, uto Reset, P/N (270 ) Vent Temperature Limit Switch, , opens 145, manual reset 30 High Limit, (220 ), auto, blue lame Rollout Limit, , (210º) 45 High Limit, (220 ), auto, blue lame Rollout Limit, , (225º) UP45-LN (with Opt L2) lame Rollout Limit, 85449, (200º) 60, 75 High Limit, (180 ), auto lame Rollout Limit, , (210º) High Limit, (180 ), auto 100 UP/US/P lame Rollout Limit, (250º) 125 High Limit, (200 ), auto, yellow lame Rollout Limit, (250º) 150 High Limit, (180 ), auto 175 High Limit, (160 ), auto, red 200 High Limit, (180 ), auto 225 High Limit, (160 ), auto, red 250 High Limit, (180 ), auto 300 High Limit, (200 ), auto, yellow 350, 400 High Limit, (180 ), auto 30 High Limit, (275 ), auto, green 45 High Limit, (220 ), auto, blue 60, 75 High Limit, (200 ), auto, yellow 100 High Limit, (220 ), auto, blue 125 High Limit, (275 ), auto, green UP/US 150 High Limit, (180 ), auto 175, 200 High Limit, (240 ), auto, silver 225, 250 High Limit, (180 ), auto 300 High Limit, (250 ), auto, orange 350 High Limit, (240 ), auto, silver 400 High Limit, (200 ), auto, yellow 130, 180 High Limit, (180 ), auto 260 High Limit, (200 ), auto, yellow US 310 High Limit, (180 ), auto Vent Temperature Limit Switch, , opens 145, manual reset (H)-X, X, X, X Series , (125 ), auto, white orm P-N&LIMIT (10-15), P/N R6, Page 2

3 STION 2 TL 2: unctional Replacement an/lower and/or Limit ontrols by Heater Model - pplies to: NO-LONGR-MNUTUR UNITS listed alphabetically by Model group) - See NOTS page 5. IMPORTNT: epending on usage and availability, replacement parts listed in TL 2 may not be available. If part is no longer available from the manufacturer and/or no longer used for current product, replacement part will not be available when inventory as of 2/2010 is depleted. Model Size an ontrol Replaces Limit ontrol Replaces 3 KW (120º), auto, white 5KW Time elay Relay, P/N 46382, (140º), auto, white UH 7 KW for 120 volt only; P/N for (170º), auto, white 10 KW all other voltages (210º), auto, white 12 KW (230º), auto, white (125 ), auto, white 300 Heat Section closest to blower, 50418, (145 ), auto, blue ischarge Heat Section, (170 ) H, H Heat (125 ) Section Heat Section closest to blower, 50418, (145 ), auto, blue ischarge Heat Section, (170 ) Linear Limit w/60" apillary, (270 ), auto except 4660; mfgd only , (555 ) (180º), auto, white (150º) (150º), auto, white O Limit ontrol for (228º) (306º) RPV Series 5 and (125 ), auto, white H, PH prior to Series (145 ), auto, blue H, V (2) (180 ), manual (275 ), O evice (190º), manual, 24" V (205º), manual, 24" Sizes (306º), O evice UH Time elay Relay, P/N (2) (125º), auto, white XL (135 ) XL 30, (150 ), XL 30, 45, (150 ) XL , (150 ), (180 ), auto, white XL , (135 ) (150 ) (200 ), auto, yellow XL (160 ), auto, red (150 ) (150 ) XL (200 ), auto, yellow (170 ) (135º) (200 ), auto, yellow (135º) (200 ), auto, yellow 75, 100, (135º) (180 ), auto, white 130, (135º) (160 ), auto, red (135º) (200 ), auto, yellow 250, 300, (135º) (180º), auto, white O Limit ontrol (228º) for (306º) M ; /55 only , High Limit, (180º) lame Rollout Limit, , (275º) 45 High Limit, (180º) lame Rollout Limit, , (225º) T 60 High Limit, (180º) lame Rollout Limit, , (275º) 75 High Limit, (180º) High Limit, (220º) an ack Limit, (150 ) High Limit, (200º) O 95 an & Limit ontrol ssembly, P/N , 190 an & Limit ontrol ssembly, P/N (continued on page 4) orm P-N&LIMIT (10-15), P/N R6, Page 3

4 STION 2 (cont'd) TL 2 (cont'd) - unctional Replacement an/lower and/or Limit ontrols by Heater Model (applies to NO-LONGR-MNUTUR UNITS listed alphabetically by Model group) Model Size an ontrol Replaces Limit ontrol Replaces OUH, OU, OU, ROU 95, 140, 185, 200 ombination an & Limit, M/H #L , P/N (125 ), auto, white (125 ), auto, white 2 ()-PK, RPK, RPVK (170 ), auto, green Series (125 ), auto, white (155 ), auto, yellow G (170 ), auto, green (145 ), auto, white (125 ), auto, white ()-PK, RPK, RPVK prior to Series 6 P, P Heat Section orm P-N&LIMIT (10-15), P/N R6, Page (170 ), auto, green (125 ), auto, white (155 ), auto, yellow G (170 ), auto, green (125 ), auto, white Heat Section closest to blower, (145 ), auto, blue ischarge Heat Section, (170 ) , (125 ) Heat Section closest to blower, (145 ), auto, blue ischarge Heat Section, (170 ) Linear Limit w/60" apillary, (270 ), auto PV, PV, PV, PV (145 ), auto, blue Linear Limit w/66" apillary, MPS II R, R Gas Heat Section (240 ), auto Linear Limit w/60" apillary, (270 ), auto MPS II R, R lectric Heat Section uto Reset Limit ontrol, , orange RG 7-1/2 and 10 Ton mfgd prior to (125 ), auto, white 11305, 12936, RG, RG , (125 ), auto, white , (125 ), auto, white ()-RGL, RPL manufactured 500/600/ 700/ , (170 ), auto, green prior to 12/96 (last Serial No. ate / 19080, (155 ), auto, yellow ode VK) , (170 ), auto, green RP, HRP with Option U , (140 ), auto, green (H)-RX, RX, R, R, RPV, RPV, RPV, RP Series 6 and (125 ), auto, white 7; (H)-RPV Series 5 and 6 (), (H), (H) - RX, R, RX, RXJ, RXG, RXR, RPV, RP, RPV, RPVJ prior to Series 6 (except (145 ), auto, blue (H)-RPV-5) S Series 3 and (125 ), auto, white S prior to Series 3; S, S, 11305, S, S, HS prior to Series (145 ), auto, blue and Series 5 O Limit ontrol for S, S, S Series 6 prior to 12/99 (Serial No. ate ode YL) (306 ) High Limit, (180º) lame Rollout Limit, (180º) ST High Limit, (220º) High Limit, (200º) U; U ; Mfgd prior to (125 ), auto, white US-, LUS ; mfgd Replacement 1956 only Kit 1472, (555 ), auto 893 (H)-X, X, X, X Series 6 and , (125 ), auto, white O Limit ontrol for (H) - X, X, X, X with standing pilot and with spark pilot prior to 12/99 (Serial No. ate ode YL) (306 ) 11305, 12936, 26303

5 Model Size an ontrol Replaces Limit ontrol Replaces (H), (), (H) - X, X prior to Series (145 ), auto, blue X, X, X, X, XJ, XR (145 ), auto, blue XL XL (135 ) (180 ), auto XL 30, (150 ) XL (150 ), (180 ), auto XL (135º) (200 ) XL , (150 ), (150º) XL (160 ) XL, XL (150 ) (180 ) XL, XL (150º) (200 ) XL, XL (160 ) O Limit ontrol for XL, XL, Sizes; Standing XL, XL - Starting 4/83 (Serial Pilot only No. I) (306 ) NOTS for TL 2: IMPORTNT: lways verify temperature setting of the original control. or installing functional replacement an Relay Kit, P/N 63254, follow the instructions on page 7. NOT: When inventory of components in relay kit are depleted, replacement will no longer be available. Models and and Models and with spark pilot manufactured after 9/99 (Serial No. ate ode YJ) do not have an O limit control. P/N is a relay kit to replace discontinued fan control P/N Kit includes instructions. Replacement kit with spring-loaded fan control assembly. To install, follow the instructions on page 6. urnace next to the blower. Second furnace from the blower G Third furnace from the blower. orm P-N&LIMIT (10-15), P/N R6, Page 5

6 STION 2 - Installing Replacement an ontrol on Models ()XL, ()XL, ()XL, and ()XL 1. Turn off the gas and the electric. 2. isconnect and remove the defective fan control. If the fan control is on a spring-loaded bracket as illustrated in the photos, remove the entire bracket assembly. arlier models have the fan control seated directly on the heat exchanger base; remove the fan control only. 3. Refer to the instructions and illustration below that apply to the Size of heater being serviced. ollow the instructions. 4. Re-connect the fan control wires and re-assemble the heater. 5. Light the heater and check for proper operation. Instructions for Sizes Locate the replacement fan control bracket assembly at the first heat exchanger tube. Position to the right of the tube seam as illustrated. ttach with the screws in the kit. It is important that the spring action of the fan control bracket allow the fan control to contact the heat exchanger tube. an ontrol Position - Sizes Place fan control bracket as close to heat exchanger seam as possible without touching. ow about 1/2 (13mm) clearance. Heat xchanger Tubes an ontrol racket ssy Location of Original quipment an ontrol - Sizes an ontrol Limit ontrol 1st Tube ottom uct ngle NOT: If the fan control that was removed did not include a bracket; use the left hole and drill a #20 hole to attach the bracket. e certain the fan control will be positioned as illustrated. Instructions for Sizes Locate the replacement fan control bracket assembly at the second heat exchanger tube. Position to the left of the tube seam as illustrated. ttach with the screws in the kit. It is important that the spring action of the fan control bracket allow the fan control to contact the heat exchanger tube. an ontrol racket ssy an ontrol Position - Sizes Heat xchanger Tubes Place fan control bracket as close to heat exchanger seam as possible without touching it. ow about 1/2 (13mm) clearance. Location of Original quipment an ontrol - Sizes nd Tube an ontrol Limit ontrol ottom uct ngle NOT: If the fan control that was removed did not include a bracket; use the left hole and drill a #20 hole to attach the bracket. e certain the fan control will be positioned as illustrated. orm P-N&LIMIT (10-15), P/N R6, Page 6

7 STION 2 - unctional Replacement for iscontinued an ontrol, Relay Kit P/N fan relay kit (P/N 63254) may be used to replace the discontinued fan control on Models LUS/, M, and units equipped with 24 volt controls. This fan relay kit may also be used, if desired, on Models X, X, XL, XL. omponents: Qty P/N escription Red Wire ssembly, 18 ga x 6" with terminal lack Wire ssembly, 18 ga x 15" with terminal White Wire ssembly, 18 ga x 15" with terminal Time elay an Relay, Thermodisc Outlet ox 4"x4" x 2-1/8" P onduit Nipple, Kinray /2" Lockout T& # Rubber Grommet "U" Nut, Tinnerman # Z #10x1/2" long Sheetmetal Screws " x 4" over Wire Nut Instructions for Installing Time elay an Relay 1) Turn off gas supply and electric. 2) Use the conduit nipple and locknut to attach the pre-wired 4x4 box to the electrical outlet box on the unit. 3) Wire as illustrated below. 4) Turn on the electric and gas supply. 5) Refer to Operating Sequence below and verify proper operation. Wire Relay ontacts in Parallel with xisting an ontrol To Line (Hot) N.O. Relay ontacts To Motor Time elay Relay To Transformer (24V) Relay oil To Thermostat an Relay Kit, P/N NOTS: Use type TW-105 or equivalent for replacement wiring on the unit. Use #18 gauge wire for control wiring on the unit. Use #14 gauge wire for line and motor wiring on the unit. Operating Sequence 1) ollow lighting instructions and establish pilot. 2) Turn on power energizing control transformer in series with limit control. 3) Thermostat calls for heat, energizing the gas valve and time delay fan relay. 4) an control senses heat exchanger temperature, energizing the fan motor. 5) When the thermostat is satisfied, the gas valve is de-energized, shutting off the gas supply to the main burner. 6) When the unit has cooled, the fan control opens, shutting off the fan motor. orm P-N&LIMIT (10-15), P/N R6, Page 7

8 orm P-N&LIMIT (10-15), P/N R6, Page 8 Specifications & illustrations subject to change without notice and without incurring obligations. Nortek Global HV, LL rights reserved. marks are the property of their respective organizations. O'allon, MO I Printed in U.S..(10-15) orm P-N&LIMIT (10-15), P/N R6