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 63254...7 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 45602 (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 10357. Kit includes instructions. urnace next to the blower. Second furnace from the blower Third furnace from the blower. Model Size Limit ontrol an ontrol 122856 (130º), auto, orange Sizes 122858 (135º), manual, pink 82414 (306º), O evice 19080 (155º), auto. yellow H Sizes 122990 (175º), manual, tan 82414 (306º), O evice 25 45602 (180º), auto, white 50, 75, 100 85449 (200º), auto, yellow 123975 (150º) 125-400 100799 (150º), auto, white O Limit ontrol for U 25-50 131449, (228º) 75-400 131450, (306º) 150, 200 148588 (270º) w/60" capillary lame Rollout Limit, 112752, (225º) 250, 300 164792 (300º) w/54" capillary lame Rollout Limit, 121275, (275º) 350, 400 148588 (270º) w/60" capillary lame Rollout Limit, 112752, (225º) (H)U 45602, (180 ), auto, white 147611 25 85449, (200º), auto, yellow 123974 (135º) 50 85449, (200º), auto, yellow 123976 (135º) 75, 100 85449, (200º), auto, yellow 123976 (135º) 125 45602, (180 ), auto, white 123976 (135º) 130, 165 82091, (160 ), auto, red 123976 (135º) 200 85449, (200 ), auto, yellow 123974 (135º) 250, 300, 400 45602, (180 ), auto, white 123974 (135º) O Limit ontrol for LP OH PH/SH/RH 25-50 131449, (228º) 75-400 82414, (306º) 400 Limit, 112753 (150 ), white Limit, 202048 (240 ), auto, silver 800 (2) Limit, 112753 (150 ), white (2) Limit, 202048 (240 ), auto, silver 1200 (3) Limit, 112753 (150 ), white (3) Limit, 202048 (240 ), auto, silver Linear Limit w/60" apillary, 148588 (270 ), auto 95 an & Limit ontrol ssembly, P/N 123977 140, 190 an & Limit ontrol ssembly, P/N 123973 75-150 40" apillary, uto Reset, P/N 210854 (190 ), yellow 175-225 60" apillary, uto Reset, P/N 210855 (240 ), green 250-400 60" apillary, uto Reset, P/N 211066 (300 ), red PH/RH P/N 254754, uto Reset, 3/4" disc MPS III 100 P/N 258855 (240 ), 22" capillary, auto, white R, R 150-800 P/N 148588, 60" apillary, uto Reset, (270 ) Gas Heat P/N 148588, 60" apillary, uto Reset, (270 ) Section 1000-1600 P/N 82414, O, 306 (continued on page 2) orm P-N&LIMIT (10-15), P/N 147678 R6, Page 1
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 10357. 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) 86979 (135º) auto, pink 82610 (150º) Manual Limit 82414 (306º) lame Safety Limit 122856, 3/4" disc, auto reset, orange label 400 500/600/ 700/800 1050/ 1200 50417, (125 ), auto, white 50418, (145 ), auto, blue 60" Limit, 148588, (270 ), auto 50418, (145 ), auto, blue 57953, (170 ), auto, green 60" Limit, 148588, (270 ), auto 50417, (125 ), auto, white 50418, (145 ), auto, blue 57953, (170 ), auto, green 60" Limit, 148588, (270 ), auto (H)-RX, RX, RPV Series 8 50417, (125 ), auto, white S Series 6 50417, (125 ), auto, white O Limit ontrol for S Series 6 (use 82414 prior to 12/99 - Serial No. ate ode 131450 (306 ) YL) 130, 180, 350 60" apillary, uto Reset, P/N 210855 (240 ), green SHH 260 60" apillary, uto Reset, P/N 148588 (270 ) Vent Temperature Limit Switch, 221158, opens 145, manual reset 30 High Limit, 96512 (220 ), auto, blue lame Rollout Limit, 197033, (210º) 45 High Limit, 96512 (220 ), auto, blue lame Rollout Limit, 196949, (225º) UP45-LN (with Opt L2) lame Rollout Limit, 85449, (200º) 60, 75 High Limit, 45602 (180 ), auto lame Rollout Limit, 197033, (210º) High Limit, 45602 (180 ), auto 100 UP/US/P lame Rollout Limit, 196950 (250º) 125 High Limit, 85449 (200 ), auto, yellow lame Rollout Limit, 196950 (250º) 150 High Limit, 45602 (180 ), auto 175 High Limit, 82091 (160 ), auto, red 200 High Limit, 45602 (180 ), auto 225 High Limit, 82091 (160 ), auto, red 250 High Limit, 45602 (180 ), auto 300 High Limit, 85449 (200 ), auto, yellow 350, 400 High Limit, 45602 (180 ), auto 30 High Limit, 201961 (275 ), auto, green 45 High Limit, 96512 (220 ), auto, blue 60, 75 High Limit, 85449 (200 ), auto, yellow 100 High Limit, 96512 (220 ), auto, blue 125 High Limit, 201961 (275 ), auto, green UP/US 150 High Limit, 45602 (180 ), auto 175, 200 High Limit, 202048 (240 ), auto, silver 225, 250 High Limit, 45602 (180 ), auto 300 High Limit, 201962 (250 ), auto, orange 350 High Limit, 202048 (240 ), auto, silver 400 High Limit, 85449 (200 ), auto, yellow 130, 180 High Limit, 45602 (180 ), auto 260 High Limit, 85449 (200 ), auto, yellow US 310 High Limit, 45602 (180 ), auto Vent Temperature Limit Switch, 221158, opens 145, manual reset (H)-X, X, X, X Series 8 50417, (125 ), auto, white orm P-N&LIMIT (10-15), P/N 147678 R6, Page 2
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 45534 (120º), auto, white 5KW Time elay Relay, P/N 46382, 45535 (140º), auto, white UH 7 KW for 120 volt only; P/N 46386 for 45536 (170º), auto, white 10 KW all other voltages 45537 (210º), auto, white 12 KW 45538 (230º), auto, white 100-250 50417 (125 ), auto, white 300 Heat Section closest to blower, 50418, (145 ), auto, blue ischarge Heat Section, 57953 (170 ) H, H Heat 350 50417 (125 ) Section Heat Section closest to blower, 50418, 400-700 (145 ), auto, blue ischarge Heat Section, 57953 (170 ) Linear Limit w/60" apillary, 148588 (270 ), auto except 4660; mfgd 1950-51 only 63254 892, 1472 1473 (555 ) 893 25-100 45602 (180º), auto, white 123975 (150º) 100857 125-400 100799 (150º), auto, white O Limit ontrol for 25-50 131449 (228º) 96513 75-400 131450 (306º) 82414 RPV Series 5 and 6 10357 50417 (125 ), auto, white H, PH prior to Series 6 10357 50418 (145 ), auto, blue H, V (2) 163133 (180 ), manual 121275 (275 ), O evice 109-122 161437 (190º), manual, 24" V 125 161433 (205º), manual, 24" Sizes 82414 (306º), O evice UH Time elay Relay, P/N 40994 (2) 50417 (125º), auto, white XL 30-400 48706 147676 (135 ) XL 30, 200-250 (150 ), XL 30, 45, 125-400 63555 147677 (150 ) XL 30-105, 300-400 (150 ), 45602 (180 ), auto, white XL 45-170, 300-400 147676 (135 ) 93629 (150 ) 85449 (200 ), auto, yellow 93629 XL 60-105 82091 (160 ), auto, red (150 ) 147677 (150 ) 93631 XL 125-250 85449 (200 ), auto, yellow (170 ) 25 123974 (135º) 85449 (200 ), auto, yellow 50 123976 (135º) 85449 (200 ), auto, yellow 75, 100, 125 123976 (135º) 45602 (180 ), auto, white 130, 165 123976 (135º) 82091 (160 ), auto, red 200 123974 (135º) 85449 (200 ), auto, yellow 250, 300, 400 123974 (135º) 45602 (180º), auto, white O Limit ontrol 25-50 131449 (228º) for 75-400 82414 (306º) M ; 1952-3/55 only 63254 892, 1472 1473 893 30 High Limit, 45602 (180º) lame Rollout Limit, 121275, (275º) 45 High Limit, 45602 (180º) lame Rollout Limit, 112752, (225º) T 60 High Limit, 45602 (180º) lame Rollout Limit, 121275, (275º) 75 High Limit, 45602 (180º) 100-200 High Limit, 155764 (220º) 96512 250-300 an ack Limit, 100799 (150 ) High Limit, 155765 (200º) 85449 O 95 an & Limit ontrol ssembly, P/N 123977 120679 140, 190 an & Limit ontrol ssembly, P/N 123973 104837 (continued on page 4) orm P-N&LIMIT (10-15), P/N 147678 R6, Page 3
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 #L4064-1592-4, P/N 36559 1 50417 (125 ), auto, white 50417 (125 ), auto, white 2 ()-PK, RPK, RPVK 57953 (170 ), auto, green 10357 Series 6 50417 (125 ), auto, white 3 19080 (155 ), auto, yellow G 57953 (170 ), auto, green 1 50418 (145 ), auto, white 50417 (125 ), auto, white ()-PK, RPK, RPVK prior to Series 6 P, P Heat Section orm P-N&LIMIT (10-15), P/N 147678 R6, Page 4 2 57953 (170 ), auto, green 10357 50417 (125 ), auto, white 3 19080 (155 ), auto, yellow G 57953 (170 ), auto, green 100-250 50417 (125 ), auto, white Heat Section closest to blower, 50418 300 (145 ), auto, blue ischarge Heat Section, 57953 (170 ) 350 50417, (125 ) Heat Section closest to blower, 50418 400-700 (145 ), auto, blue ischarge Heat Section, 57953 (170 ) 100-700 Linear Limit w/60" apillary, 148588 (270 ), auto PV, PV, PV, PV 10357 50418 (145 ), auto, blue Linear Limit w/66" apillary, 201741 MPS II R, R Gas Heat Section 100 150-700 (240 ), auto Linear Limit w/60" apillary, 148588 (270 ), auto MPS II R, R lectric Heat Section uto Reset Limit ontrol, 122856, orange RG 7-1/2 and 10 Ton mfgd prior to 1994 10357 50417 (125 ), auto, white 11305, 12936, 26303 RG, RG 10357 50417, (125 ), auto, white 400 50417, (125 ), auto, white 11305 ()-RGL, RPL manufactured 500/600/ 700/800 57953, (170 ), auto, green 12937 prior to 12/96 (last Serial No. ate 10357 1050/ 19080, (155 ), auto, yellow 57952 ode VK) 1200 57953, (170 ), auto, green 12937 RP, HRP with Option U12 10357 196571, (140 ), auto, green (H)-RX, RX, R, R, RPV, RPV, RPV, RP Series 6 and 10357 50417 (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 10357 50418 (145 ), auto, blue (H)-RPV-5) S Series 3 and 5 10357 50417 (125 ), auto, white S prior to Series 3; S, S, 11305, S, S, HS prior to Series 5 10357 50418 (145 ), auto, blue 15183 and Series 5 O Limit ontrol for S, S, S Series 6 prior to 12/99 (Serial No. ate ode YL) 82414 (306 ) High Limit, 45602 (180º) 45-75 lame Rollout Limit, 157282 (180º) ST 100-200 High Limit, 155764 (220º) 96512 250-300 High Limit, 155765 (200º) 85449 U; U ; Mfgd prior to 1994 10357 50417 (125 ), auto, white US-, LUS- 25-200; mfgd 1950-63254 Replacement 1956 only Kit 1472, 892 1473 (555 ), auto 893 (H)-X, X, X, X Series 6 and 7 10357 50417, (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) 131450 (306 ) 11305, 12936, 26303
Model Size an ontrol Replaces Limit ontrol Replaces (H), (), (H) - X, X prior to Series 6 10357 50418 (145 ), auto, blue X, X, X, X, XJ, XR 10357 50418 (145 ), auto, blue XL 30-400 XL 140-400 147676 (135 ) 45602 (180 ), auto XL 30, 45 147677 (150 ) 48706 XL 30-105 (150 ), 45602 (180 ), auto XL 30-105 147676 (135º) 63555 85449 (200 ) XL 60-105, 300-400 (150 ), 147677 (150º) XL 300-400 93629 82091 (160 ) XL, XL 200-225 (150 ) 45602 (180 ) XL, XL 125-170 147677 (150º) 85449 (200 ) XL, XL 250 82091 (160 ) O Limit ontrol for XL, XL, Sizes; Standing XL, XL - Starting 4/83 (Serial Pilot only No. I) 82414 (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 10357. 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 147678 R6, Page 5
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 30-105 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 30-105 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 30-105 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 125-400 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 125-400 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 125-400 2nd 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 147678 R6, Page 6
STION 2 - unctional Replacement for iscontinued an ontrol, Relay Kit P/N 63254 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 2 42924 Red Wire ssembly, 18 ga x 6" with terminal 1 40750 lack Wire ssembly, 18 ga x 15" with terminal 1 40749 White Wire ssembly, 18 ga x 15" with terminal 1 52887 Time elay an Relay, Thermodisc 12522 1 10159 Outlet ox 4"x4" x 2-1/8" P 1 16221 onduit Nipple, Kinray 2639 2 16222 1/2" Lockout T& #141 1 3397 Rubber Grommet 1 1849 "U" Nut, Tinnerman #7392-10Z 1 11813 #10x1/2" long Sheetmetal Screws 1 17320 4" x 4" over 2 16354 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 63254 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 147678 R6, Page 7
orm P-N&LIMIT (10-15), P/N 147678 R6, Page 8 Specifications & illustrations subject to change without notice and without incurring obligations. Nortek Global HV, LL 2015. rights reserved. marks are the property of their respective organizations. O'allon, MO I Printed in U.S..(10-15) 300523 orm P-N&LIMIT (10-15), P/N 147678R6