Reznor SFT, FT User Manual

1. Always include complete heater model and serial number so that

IMPORTANT

any specification change can be considered for parts shipment. It can save time and expense.

2. Specifications are subject to change without notice.

3. We reserve the right to substitute functional replacements.

4. Order by Part No.; not Heater Option Designation.

Model FT and Model SFT

Unit Heaters

INST ALLATION FORM RZ-NA -P-FT/SFT

Obsoletes Form RZ-728

APPLIES TO: Replacement Parts

Index of Parts

Model FT Model SFT

by Page No.

Burner Rack 7 9 Cabinet Parts 6 10 Downturn Air Outlet Nozzles 14 14

(same as Options CD 2, 3, 4) Electrical Components 2-5 8-9 Fan and Components 7 10 Fan Guard 7 10 Gas Conversion Kits 12 12 Heat Exchangers 7 11 Ignition Control Board 4-5 8 Ignitor 4-5 8 Limit Control 4-5 8 Louvers, Horizontal 6 10 Louvers, Vertical (same as 13 13

Option CD1) Manifold 7 9 Motor, Fan 7 10 Motor, Venter 2-5 8 Orifices, Burner 12 12 Rating Plate 1 1 Serial Number 2 2 Switch, Flame Rollout 4 9 Switch, Pressure 4-5 9 Thermostat 15 15 Transformer 4-5 9 Valve 4-5 8 Vent Cap (same as Option CC1) 7 -Vent/Combustion Air Kits (same -- 11

as Option CC2 and CC6) Vent Tape (same as Option FA1) 15 15 Venter Parts 2-5 8

Additional References (use Form RZ designation to

order literature; not the P/N)

Description/Application................................... Form RZ ....... P/N

Parts/Service - Replacement Gas Valves and

Ignition Control Boards by Serial No. Code. P-VALVES .......N/A

Service - Converting to Other Gases ............ FT/SFT-GC ..148066

Installation/Operation - Model FT Heaters .............. I-FT ..173473

Installation/Operation - Special Model

FT-CV or FT-LN Unit Heaters ................. I-FT-CV/LN ..177854

Installation/Operation - Model SFT Heaters .......... I-SFT ..173474

Installation Instructions - Optional

Vertical Louvers, Models FT and SFT ..... I-FT/SFT-VL..160807

Installation Instructions - Optional

Downturn Nozzle, Models FT and SFT. I-FT/SFT-DN..160808

Rating Plate and Serial No.

Example of a Rating Plate

REZNOR

MERCER, P A. USA 1 613 7 MADE IN USA

UNIT HEATER CATEGORY

ANSI Z83.8 [ A ] CG A 2.6- M [ A' ] UNIT HEATER CSA .10.96 U. S. (2nd Ed.) UNIT HEATERS FOR RESIDENTIAL INSTALLATION

MODEL [ B ] [ C ]

SERIAL NO .

[ D ] VOLTS [ D ] PH [ D ] H Z MAXIMUM TOTAL INPUT [ D ] AMPS

TYPE OF GAS: [ E ]

FOR USE AT [ F ] FEET [ G ] METERS O F ALTI TUDE. ORIFICE SIZE [

NORMAL I NPU T THERM AL OUTPUT CA P A CITY NORMAL MANIF O L D PRE S S URE MIN. PERM ISSIBLE GAS SU PPLY PRESSURE FOR PURPO S E OF INPUT ADJUST ME N T . CLE ARANCES TO CO MBU S T I BLE CONS TRUCTI O N: TOP-1 ", FL UE CONNE CTION-6 ", CO NTRO L S I DE - 1 8 ", OPP. SIDE-1 ", BOTTO M-1" FOR ALTERNATE INSTALLATIONS USE THE LA TEST EDITIONS OF THE APPROPRIATE STAND AR D LI STED BELOW: FOR AI R CRAFT HANGARS U S E STANDARD ANSI /NFPA 409 FOR PARKI NG S TRUCTU RE S U S E S TANDARD ANSI/NFPA 88A FOR RE PAI R GARAGE S U S E STANDARD ANSI/NF PA 88B THIS UNIT IS NOT FOR USE WITH DUCTS. THIS UNIT IS NOT FOR USE WITH FILTERS. CONSTRUCTION WALL THICKNES S FOR PU RPOSE O F V E NTING: 1" M IN., 30" MAX.

Rating Plate Key:

A = Date of ANSI Standard

= Date of CGA Standard

A B = Model No. C = Month and Year of

Manufacture

D = 115V, 1 Phase, 60 Hertz,

Maximum Total Input Amps

E = Natural or Propane Gas F/G = Elevation (Feet/Meters) H = Orifice Size I = BTU Input Sea Level

III

H ] DRIL L HAS BEEN F ACTORY ADJUSTED

SEA LEVEL ALT. ADJUSTED [

I ] [ J ]BTU/HR.

[

K ] [ L ]BTU/HR.

[

J = BTU Input Altitude Adjusted K = BTU Thermal Output Sea

Level

L = BTU Thermal Output

Altitude Adjusted

O = Manifold Pressure (3.5 w.c.

Natural Gas; 10 w.c. Propane Gas)

P = Minimum Gas supply

Pressure (5.0 w.c. Natural Gas; 11.0 w.c. Propane Gas)

Form RZ-NA-P-FT/SFT, Page 1

O ] IN.W.C.

P ] IN.W.C.

Rating Plate and Serial No. (cont'd)

Decoding a Serial No.

Example of a Serial No. BAB 75 W5 N 00000

○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

Code Nos. 1234 5

Code No. Explanation

1 Date of manufacture (see below) 2 Type of pilot system (see Form RZ 714) 3 Type of gas valve (see Form RZ 714) 4 Gas (N = natural; L = propane) 5 Consecutive number (identification only)

First Element of the Serial Number - Date of Manufacture

Year Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 1995 AUA AUB AUC AUD AUE AUF AUG AUH AUI AUJ AUK AUL 1996 AVA AVB AV C AVD AVE AVF AVG AVH AV I AVJ AV K AVL 1997 AWA AWB AWC AWD AWE AWF AWG AWH AWI AWJ AWK AWL 1998 AXA AXB AXC AXD AXE AXF AXG AXH AXI AXJ AXK AXL 1999 AYA AYB AYC AYD AYE AYF AYG AYH AYI AYJ AYK AYL 2000 AZA AZB AZC AZD AZE AZF AZG AZH AZI AZJ AZK AZL 2001 BAA BAB BAC BAD BAE BAF BAG BAH BAI BAJ BAK BAL 2002 BBA BBB BBC BBD BBE BBF BBG BBH BBI BBJ BBK BBL 2003 BCA BCB BCC BCD BCE BCF BCG BCH BCI BCJ BCK BCL 2004 BDA BDB BDC BDD BDE BDF BDG BDH BDI BDJ BDK BDL 2005 BEA BEB BEC BED BEE BEF BEG BEH BEI BEJ BEK BEL 2006 BFA BFB BFC BFD BFE BFF BFG BFH BFI BFJ BFK BFL 2007 BGA BGB BGC BGD BGE BGF BGG BGH BGI BGJ BGK BGL 2008 BHA BHB BHC BHD BHE BHF BHG BHH BHI BHJ BHK BHL 2009 BIA BIB BIC BID BIE BIF BIG BIH BII BIJ BIK BIL 2010 BJA BJB BJC BJD BJE BJF BJG BJH BJI BJJ BJK BJL 2011 BKA BKB BKC BKD BKE BKF BKG BKH BKI BKJ BKK BKL 2012 BLA BLB BLC BLD BLE BLF BLG BLH BLI BLJ BLK BLL 2013 BMA BMB BMC BMD BME BMF BMG BMH BMI BMJ BMK BML 2014 BNA BNB BNC BND BNE BNF BNG BNH BNI BNJ BNK BNL 2015 BOA BOB BOC BOD BOE BOF BOG BOH BOI BOJ BOK BOL

Model FT Control Compartment and Electrical Components

Qty

Code

Vent er Housing Assy - standard heater (does not apply to Model FT with suffix CV or LN ; see Code 1B)

Vent er Housing Assy - Size 30 or 45 heater with suffix CV (Option AV6) or LN

(Option AL2B)

Venter Gasket (not illustrated)

Static Pressur e Tap

Venter Motor & Wheel Assy (includes Codes 4A-4D) 1

Vent er M otor 1

*4A

(**Sizes 150-200 is an assembly including motor, P/N 148053; capacitor, P/N 1638 94; and capacitor boot, P/N 103182)

Venter Wheel 1

*4B

Vent er M otor Plate 1

*4C

Venter Fan Blade 1

*4D

*11/97 is Serial No. Date Code AWK; but always verify actual type of approval stated on the rating plate.

Form RZ-NA-P-FT/SFT, Page 2

Description

Apply to standard

Model FT (go to

page 5, Codes 5

and 6, for venter

parts for special

Model FT-CV or

FT-LN)

For heaters mfgd

approval (approx. 11/97*- verify on rating

1------

1 1

PRIOR TO

plate)

30 45 60

147357

147793 116043 147359

97738

Magnetek #JA1M156N

135979

Revcor B506-1005

135981

68005

residential

Model FT

)

Control Compartment and Electrical Components - see P/N listings, pages 2-5

Model FT Control Compartment (A Size 30 is illustrated; locations are approximately the same for

other sizes but may appear out of proportion.)

11 - Limit Control Sizes 30-75 (Located

in the heat exchanger compartment; remove louvers to access.)

8 - Flame Sensor

11 - Lmit Control - Sizes 100-300

12 - Transformer

14 Pressure Switch

1 - Venter Housing

4, 5, 6 -

Venter Motor

Flue Outlet

& Wheel Assy

18 Fan

Motor

17 -

Flame

Rollout

10 - Gas

Valve

Switch -

Sizes

30-60

16 - Auxiliary Limit - Sizes 250-300 only

(remove fan

Burner/Manifold

Assembly

9 - Spark Electrode with Ignition

13 - Circuit Board (Ignition Module)

3 - Static Pressure Tap

guard to access)

Cable

NOTE: If the heater has been changed so that the controls are on the left side, their locations will appear inverted. On Sizes 60-300,

the ignitor must still be toward the bottom of the heater with the flame sensor toward the top.

Code

For heaters

beginning approx 11/97* - verify on rating

30 45 60

164689

(replaces

158435) 176809 176309 -- -- -- -- -- -- -- --

residential app roval (mfgd

WITH

plate

164690

(replaces

158436)

164691

(replaces

158448)

147357

147657

200

250 30075 100 125 150

149164 149165

2 3

*4A

*4B

*4C *4D

147793

P/N 116043 is p art of Vntr Housing, Code 1A

Magnetek #JA1M213N (replaces P/N 97738, Magnet ek

continued on the next page

#JA1M156N)

Revcor B506-1005 Brookside #FE-400- 200

14779344695

116043

148056

Magnetek #JA1M213N Includes P/N 148053,

135979 97724

135981

68005

148057

**148980148055 148055

Magnetek #JE1E024N

97301 164380

97300

149160147359 150771

Magnetek #JE1F022

135980

Brookside #FE610-200-

141570 (replaces 68005

on 250/300)

Form RZ-NA-P-FT/SFT, Page 3

Model FT Electrical Components (cont'd) - Refer to the illustration on page 3

)

Fo r heaters mfgd

residential approv al (approx.

Code

Venter Mtr & Wheel Assy (includes Codes 5A-5G) - Size 30 or 45 heater with suffix CV (O ption AV6) only

Vent er Motor 1 -- -- -- --

Venter Wheel 1 -- -- -- --

Venter Motor Plate 1 -- -- -- --

Vent er Motor Plate Gasket 1 -- -- -- --

Secondary M otor Plat e 1 -- -- -- --

Spacers 4 -- -- -- --

Venter Fan Blade 1 -- -- -- --

Vntr Mtr & Wheel Assy (includes Codes 6A-6G) - Size 45

heater with suffix LN (Option AL 2B) only

Venter Motor 1 -- -- -- -- 175987 --

Venter Wheel 1 -- -- -- -- 135979 --

Vent er Motor Plate 1 -- -- -- -- 176311 --

Vent er Motor Plate Gasket 1 -- -- -- -- 155651 --

Isolator, rubbe r w/brass insert 4 -- -- -- -- 113498 --

Isolator Plate 1 -- -- -- 176310 --

Venter Fan Blade 1 -- -- -- -- 68005 --

Vntr Inlet Ring - Size 45 with suffix CV or LN only

Flame Sensor, Channel Products #1259-85 1

Sp ark Ignitor with Cable - applies only to heaters with

Johnson Controls G861 Ignition Control Board, P/N 174260 (Code 13)

Spark Ignitor 1

Ignition Cable 1 Gas Valve Natural 1

Identify the valve on the

NOTE:

heater by manuf acturer's no. and the Serial No. code on page 2.

Limit Control, Thermodisc #36T 1

(access by removing louvers) Transformer, 30 VA, #4000-01M04BB80 1

Ignition Contr ol Board , J/C G861 1

Pressure Switch - applies to

14A

standard heater (for Size 30 or 45 with suffix CV or LN, see Code 14B

Pressure Switch - applies to Sizes

14B

30 and 45 with Suffix CV or LN only

Silicone Rubber Tubing for Pressure 1 147905 147905

Sensing (not illustrated) 7 " long 9" lg 7 " lon g 9" long Au xiliary Limit Control (remove fan guard to acces s) 1 -- -- -- -- -- --

Flame Rollout Switch (manual reset) Std FT & suffix CV 1 -- -- -- 121275, 275°F 112752, 225°F 121275, 275°F

Fan Moto r - See Code 39C for standard Model FT or Model FT with suffix CV; see Code 40C for Model FT with suffix LN

Outlet Box , 2x4, Steel City #58361 1 -- -- 17782 -- -- --

Outlet Box Cover 1 -- -- 17 800 -- -- --

Form RZ-NA-P-FT/SFT, Page 4

Description (cont'd)

Apply to Model FT

with s uffix CV (Option AV6)

Apply to Model FT

with s uffix LN

(Option AL2B)

use w/RAM 3MC4

ignition cntrl board

Propane 1

up to 4000 ft 1 164672

4001-9000 ft 164674

up to 4000 ft 1 -- -- -- --

4001-9000 ft -- -- -- --

Model FT45-LN only -- -- -- -- 121275, 275°F --

Qty

11/97*- ver ify on rating plate)

30 45 60 30 45 60

1-- -- -- --

1 -- -- -- -- 176329 --

1-- -- -- -- 62594 --

172552, M/H VR8105M2187

Gas

(replaces 147133, Robertshaw #7222 DER; field-supplied pip ing is r equired)

172553, M/H VR8105M2825

(replaces 147134 , Rober ts haw #7222 DERLP; field- supplied piping is required)

174260 (replaces P/N 147102 and may be used with either Code 9 A or 9B; if

TDI #PPS10027-2228

TDI #PPS10027-2355

147904 147904

RIOR TO

147165

159956 (assembly replaces both 147166 and 14 7167)

147166 147167

45602 180°F

147356

replacing board and ignitor, order Code 9A)

148072

149879

Fo r heaters

approx. 11/97* - verify on rating plate)

Magnetek #JA2N297

Revc o r B5 06 -1005

TDI #PPS10027-

2731 (replaces

159180)

TDI #PPS10027-

2733 (replaces

159181

TD I #PPS10027-2731

TD I #PPS10027-2733

residential approv al (beginning

WITH

177148

175987

135979

176311 155651 176810

98872 68005

Magnetek

#JA2N297

Revcor B506-

1005

147165

147166 147167

172552, M/H VR8105M2187

172553, M/H VR8105M2825

45602 180°F

147356

164673, TDI #PPS10027-2732

(replaces

148072)

164675, TDI #PPS10 027-2734

(replaces

148072)

164672

164674

(replaces

149879)

(replaces

159179)

Code

75 100 125 150 200 250 300

5C 5D

5E 5F

6C 6D

6E 6F

-- -- -- -- -- -- --

7 8

159 956 (assembly replaces both 147166 and 147167)

-- -- -- -- -- -- -147165

159957 (assembly replaces both 147166

and 148085)

147167

172552, M/H VR8105M2187

(replaces 147133, Robertshaw #7222 DER; field-supplied piping is required) M/H #VR8305- M 4009

172553, M/H VR8105M2825

(replaces 147134, Robertshaw #7222 DERLP; field-s upplied piping is required) M/H #VR8305M 4017

45602

147166

147830 150839

M/H #VR8205M1130

147560

M/H #VR8205M1148

155764 (r ep laces 96512)

148085

155 765 (r ep laces (85449)

180°F 220°F, Blue Dot 200°F, Yellow Dot

12 13

14A

174260 (replaces P/N 147102 and may be used w i th either Code 9A or 9B; if repl acing board and ignitor, order Code 9A)

148072 150837

147356

TDI #PPS10027-2228 TDI # PPS10027-2392

149879 151372

14B

TDI #PPS10027-2355

-- -- -- -- -- -- --

TDI # PPS10027-2406

-- -- -- -- -- -- --

147905

148251

9" long 12" long

16 17

-- -- -- -- --

-- -- -- -- -- -- --

100799, 150°F

150840

18 19 20

-- -- -- -- --

17782 17800

Form RZ-NA-P-FT/SFT, Page 5

+ 11 hidden pages