SERIES 14 INSTALLATION INSTRUCTIONS and field service check list

Transcription

1 BULLETIN MI046-/98 REPLACED MI078 SERIES 4 INSTALLATION INSTRUCTIONS field service lt A04 Amplier All or Amplier / Amplier-Selects Page Page Page 4 & 5 Page 6 Page 7 Page 8 Table Contents Introduction Dimensions Specications Installation Components Field Service lt Prelimary Circuit Analys Low Start Time Adjustment Sensitivity Adjustment Wirg Diagrams Calibration Valve Adjustments Ampliers: A04 (use all temperature ranges) A04L (all ranges - adjustable low fire start duration) Amplier-Selects: ( tegral temperature dial) AD (55 90 F) AD04L-5590 (55 90 F - adjustable low fire start duration) Dual Amplier-Selects: AD4 (tegral dual select - any comb stard ranges avail) Example - AD4BC (0 70 F 60 0 F, use w/td4bc Example - AD4AD (80 0 F F, use w/ts4ad Remote Selects: TD4 (55 90 F w/override 0 40 over set pot) TD4A (80 0 F) TD4B (0 70 F) TD4C (60 0 F) TD4D (00 50 F) TD4E (00 50 F) TD4F (40 80 F w/ 90 0 F override) TD4G (90 40 F) TD4- (55 90 F w/0 70 F override) * use w/ts4 TD4- (55 90 F w/two outputs) TD4G- (90 40 F w/two outputs) NOTE: Remote Select Dcharge Sens must have same temperature range compatible Optional: ETD- enclosure, EFP- cover plate only - no enclosure Dcharge Senss: use Mixg Tu TS4 (55 90 F) TS4A (80 0 F) TS4B (0 70 F) TS4C (60 0 F) TS4D (00 50 F) TS4E (00 50 F) TS4F (40 80 F) TS4G (90 40 F) TS4 (dual sens - any combation stard ranges available) Example - TS4G (55 90 F F, use w/td4 & TD4G, TD4G [select w/switch]), AD4-G Example - TS4AD (80 0 F F, use w/td4a & TD4D, TD4AD [select w/ switch]), AD4AD Valve System Components Remote Select Mixg Tu Sens Override Stat Mixg Tus: use Senss MT9-9 (9" length) MT - (" length) MT - (" length) MT8-8 (8" length) MT57 (57" length) Valves: M4 (/8" & /" pipe size) M5 (/" & /4" pipe size) M6 (/4" & " pipe size) MRD (", /4", /" pipe size) MRE (/" & " pipe size) MRG (-/" & " pipe size) MRJ (4" flanged) MR-D, E, G, J (same as above except used f -speed blower dual fuel operation) NOTE: M (Modulat) requires a regulat f high fire settg MR (Modulat-Regulat) requires no regulat up 5 psi Optional: Dual Select: DOOR HEATERS - TD4HD use w/ts4 (do closed F/open F) PAINT SPRAY BOOTHS OR OTHER DUAL APPLICATIONS- TD4 (dual select w/switch - any comb stard ranges avail) Example - TD4G (55 90 F [spray] F [dry], use w/ts4g Example - TD4AD (80 0 F F, use w/ts4ad TD4 X (same as TD4, less enclosure) Inlet Senss: use Mixg Tu TS0765A (8: ratio) TS0765B (5: ratio) TS0765C (5: ratio) Override Stat: (use only TD4, F,-) T5 (40 90 F)

2 Selectra SERIES 4 electronic gas flame modulation systems are designed primarily f make-up air heatg, as components direct fired equipment They may field stalled on extg equipment specied f new equipment stallation All fuel gases are compatible The systems utilize Modulat Modulat-Regulat s Ampliers are available adjustable low-fire start duration, tegral remote temperature selection A dcharge air temperature sens mounted a mixg tu housg Introduction Dimensions Optional - a room override rmostat provides space temperature control by rag dcharge air temperature a pre-selected pot - when used conjunction remote temperature select Optional - an let air sens ( mixg tu) provides verse change dcharge air f each degree change let air - when stalled a convenient duct location upstream burner Optional - a dual temperature select replaces TD4 provide dual control f do heaters, or applications such as pat spray booths TD4 A04L, AD04, AD04L (AD models have tegrated temperature dial lower right cner, logo lal upper left cner) A04 ETD- (SEE PAGE ) T5 MIXING S

3 Power Requirements: 4 VAC, 50/60 Hz Class II transfmer Ambient Limits: Operatg-40 o 5 o F / -40 o 5 o C Non-operatg-50 o 85 o F / -46 o 85 o C Gases: All fuel gases Vent: M4, 5, 6vertical vent outlet /8" NPT - A06 stalled MRtwo vents located upper housg, both equipped vent limitg means Wirg Run: control wirg side conduit le wirg, use shielded cable up 00 ft F st results up 00 ft, run control wirg separate conduit F longer runs see Remote Select low Control wires connected Override Stat, Dcharge Sens, Remote Select must not run close side conduit power ignition wires Dog so may cause unit function erratically may destroy amplier shielded wires are used, shield must sulated grounded at amplier location only Amplier / Amplier-Select: contas wirg termals sensitivity adjustment - stall any convenient location that protected from wear contamated atmosphere Remote ( Dual) Select: Install control cat or chosen location NOTE: Suffix letters must match, Specications Installation Components Pressure Limits: Maximum Dcharge Pressure (M4, 5, 6)7" wc / 7 mbar Static Pressure Ratg (M4, 5, 6)50 psi / 45 mbar Maximum Operatg Inlet Pressure M4, 5, 6 psi / 70 mbar MR50 psi / 45 mbar Maximum Emergency Exposure* M4, 5, 60 psi / 0 mbar MR5 psi / 86 mbar * May not function properly at th, but will suffer no ternal damage eg TS4A must used TD4A F wirg runs longer than 00 ft substitute ES6/ES6 f TD4 The ES6s are a -piece version TD4 ES6 a temperature settg dial only, ES6 must mounted at furnace location Dcharge Sens / Mixg Tu Assembly: sens housed mixg tu, stall dcharge air stream Optional: Typical Gas Tras Dual Select: see precedg Remote/Dual select Room Override Stat: mount heated area not direct path dcharge air stream Inlet Sens: stall convenient location upstream burner, take air duct Modulat (M) Modulat-Regulat (MR) Valve: Mount upright position hizontal run pipe, downstream or controls - a separate gas regulat must used any modulat (M) MR Valve: Modulat-regulat M Valve: Regulat upstream modulat

4 4 Field Servic YMPTOM S E OSSIBLE CAUS P T FIELD TES A- flow o gas N r (o stalled improperly Modulatg Sympm L ) see flow gas direction pot Valve side Arrow on B- low Contuous (electronics fire problem) amplier no ht S 8 7 termals amplier 4V AC at f e Remot TD4 Open wirg Select n twee wires broken loose f Inspect termals TD4 termals amplier 4 r Ai Dcharge TS4, Sht wirg Sens 4 n A Circuit Prelimary descrid as rest test Connect outled 5 amplier aulty F 5 4,, items C- Low Contuous (Electronics OK) Increct Mimum Erratic Pulsatg Flame 6 r Modula open curcuit Sht Coil 6 e conn termals modulat across restance Measure 7 y improperl jammed msg, Plunger stalled 7 a page diagrams per stalled Plunger Inspect sleeve D- Mimum Increct Erratic Pulsatg Flame High Contuous (Electronics OK) 8 e valv meterg by-pass Increct adjustment 8 8 page on adjustments See 9 burner negative xcessive E 9 t wi manold measure supply gas ma Close negative wc 5" than less E- High Contuous (Electronics Problem) Increct Dcharge Burned out Transfmer 0 Remote TD4 Sht wirg Select 0 termals Amplier tween at shts f Inspect Dcharge TS4/TS0765 Open wirg Circuit Sens Inlet te Connect ternal open f TS4/TS0765 outled Follow procedure Analys Circuit Prelimary amplier across connected not Jumper termals Inspect F- High Contuous (Electronics OK) open holdg object eign F - seat spect botm plate Remove 4 jammed lunger P - 4 f operate clean smooth Plunger Inspect G- Maximum Increct 5 low o nlet I - 5 a usg modulatg let at Read b Pressure fire full at operatg unit manometer Maxit (See drop plus settg 6 adjustment outlet Increct Regulat Pressure 6 manometer usg manold Read manufacturer equipment recommendation compare H- Erratic Pulsatg Flame Increct Dcharge 7 untg H - 7 counter-clockwe control sensitivity Adjust 8 TS4 improper patterns air Erratic location 8 An Circuit Prelimary descrid as rest test Connect range modulatg entire its through goes heater so dial 9 switchg high next run Wirg s duced causg s 9 exter MR TS4, TD4, each wire Temparily operation heater/equipment - 0 supply erratic Amplier aulty F - 0 loca TD4 Item #8) (per connected rest test With O range modulatg entire through dial select TD4 turn termals modulat I t Increc Dcharge - used Sens nlet I - outside 8, 5, 5 each f changes Sens Inlet used) model varies turndown - (predetermed - Wirg ncrect I - 7 page diagrams wirg - calibration ystem out S - no does TS4) next (rmometer temperature Sensed settg - 4 location TS4 mproper I - 4 no does TS4) next (rmometer temperature Sensed temperature air - 5 closed Thermostat oom Override R - 5 TD from termal lead Thermostat Override Remove J- Burned out Transfmer - 6 coil modulat ht S - 6 lea red termals modulat across restance Measure - 7 amplier tween Sht modulat - 7 wirg Inspect K- Dcharge o low when T5 operative - 8 settg Override low an oo T - 8 TD4 Select" "Override - 9 sufficient may capacity urner B - 9 f specied (Maximum manold fire high f

5 5 e lt REMEDY properly Install source power Prove wirg replace connections Tighten Follow procedure lys a 4 necessary TS4 Replace shts f TS4 obtaed, are s modulatg 5 d assume may amplier obtaed, not still are s modulatg out 4, items Replace faulty detached wires tg c 6 MR f ohms Valve M6 f ohms approximately not head modulat Replace Valve solenoid freely operate d n 7 page diagrams per as Install necessary plunger replace Clean 8 mimum fire proper Adjust Readg operatg lower b 9 restrictions air let or filters clogged f, negative 5" than greater readg solutions or f facty Consult termals TD4 r o - 0 ext shts wirg Crect descrid as rest t s - TS4/TS0765 Replace s open f TS4/TS0765 obtaed, are s modulatg wirg Crect necessary replace Clean seat Clean sleeve solenoid eely r - 4 plunger replace necessary, Clean, outlet sum equal e Chart) Capacity rol 5 possible let Increase 6 8 Page on adjustments See 7 flame even an mata control sensitivity adjust stabilizes, flame select TD4 Turn lys a - 8 moved must TS4 range, modulatg entire throughout steady flame observe lly a - 9 duced from source wirg effected olate results, operation smooth item #9) (per connected lly across DC bserve - 0 may amplier range, modulatg throughout obtaed are s DC unstable erratic volts range small a over only noted operation erratic Replace faulty assumed Maxitrol Consult surges conta may source from 60 change emperature t - tentional Th settgs dial from TD4 vary will temperature Sensed - wirg Crect TD4 crespond t - procedure calibration See dcharge average represent t - 4 sensed can temperature representative average where location TS4 Move 4-5 shts f wirg / settg rmostat n settg, dial TD4 dconnected wires d - 6 ohms 40 than less head modulat Replace - 7 found sht wirg Crect - 8 temperature crect Reset heater) r o - 9 temperature rae heat additional furnh unable Heater me no do can control fire, high on

6 F ease troubleshootg, it advable wire system as follows (th dfers from nmal connection) The Dcharge Sens dconnected replaced a 0,000 ohm, / watt test rest (termals 4) let air sens g used, dconnect replace a jumper On units where Remote Select located a considerable dtance from heater, it may advantageous connect select at heater location Connect a DC volt meter (capable readg 0-4 V DC) on Modulat Modulat-Regulat Valve termals Set temperature mimum dial settg The DC read 0 volts The DC gradually crease at least 0 volts as you slowly rotate dial maximum dial settg se s are obtaed, function can now ed out The operation Valve regard as follows: from 0 volts approximately 5 volts, modulatg on bypass flow heater operatg on low mimum fire From approximately 5 volts 5 volts DC, perfmg its modulatg function, heater firg at a Prelimary Circuit Analys modulated flow rate tween low high fire, dependg upon Above approximately 5 volts DC, Valve deliverg full flow heater unit on full fire DC obtaed on Valve termals, but heater does not respond as descrid, problem can olated itself gas control manold heater (see lt, pages 4 5) In event proper s are obtaed, Valve responds crectly se DC s, problem could well wirg leadg Dcharge Sens Dcharge Sens itself Th also reviewed lt proper s are not obtaed when wired as structed, problem can olated electronics th may once aga reviewed lt After test, remove test rest reconnect Dcharge Sens termals 4 Remote Select has en moved return it its igal position Low Start Time Adjustment On A04L AD04L ampliers, low fire start duration adjustable from approximately 0-0 seconds, gs timg after amplier has en energized High fire delayed, M/MR remas low fire settg position durg delay time period Use a small screwdriver adjust time delay potentiometer Turn clockwe (+) crease low fire start duration, counter-clockwe (-) decrease low fire start duration Sensitivity Adjustment The sensitivity control will allow user control response system Caution exerced use th adjustment Under nmal usage poter located on mark on lal huntg encountered (rapid oscillation), rotatg sensitivity control counter-clockwe will dampen oscillation - stabilizg flame DO NOT adjust unless necessary, cause decreasg sensitivity will crease temperature DROOP system Time delay potentiometer (A04L, AD04L only) A04L model amplier, AD04, AD04L model amplier-select (cover removed) Sensitivity adjustment A04 model amplier 6

7 A04 model ampliers TD4 SELECTOR TD5 OVERRIDE TS4 Wirg Diagrams TD4 SELECTOR TS0765 INLET SENSOR TS4 LOW-FIRE SWITCH (Not supplied by Maxitrol) LOW-FIRE SWITCH (Not supplied by Maxitrol) WITH OPTIONAL ROOM OVERRIDE STAT A04 WITH OPTIONAL INLET AIR SENSOR A04 A04L model ampliers TS4 A04L TD4 SELECTOR WITH OPTIONAL ROOM OVERRIDE STAT TD5 OVERRIDE TS4 A04L TS0765 INLET SENSOR TD4 SELECTOR AD04 / AD04L model amplier-selects WITH OPTIONAL INLET AIR SENSOR AD04 / AD04L TS4 TS4 AD04 / AD04L TS0765 INLET SENSOR WITH OPTIONAL INLET AIR SENSOR 7

8 NOTE: The components th system are dividually calibrated are not part a matched set It necessary place an accurate temperature measurg device as near Dcharge Sens as possible Set Remote Select at least 0 degrees above outside air temperatures calibratg at A04 Amplier: Adjust calibration potentiometer (A), until temperature reads same as set temperature temperature low set pot, n rotate calibration potentiometer clockwe temperature above set pot, rotate potentiometer counter-clockwe Calibration calibratg at TD4 Remote Select: measured temperature low set temperature, rotate calibration potentiometer clockwe until crect temperature obtaed temperature above set pot potentiometer turned counterclockwe Proceed slowly above steps so as allow temperature measurg strument catch up change temperature Calibration potentiometer Valve Adjustments (See bullet MT05 f additional M/MR fmation) NOTE: Low fire adjustment ed whenever high fire adjustment changed MR High Manold Adjustments: Dconnect wires from amplier termal #4 Th causes call f contuous high fire Remove seal cap (A), turn regulat adjustg screw obta desired manold (Clockwe rotation creases ) Reconnect wires amplier termal #4 NOTE: low fire bypass on maximum, desired high fire outlet may not achieved Low Bypass Adjustments: Dconnect wire from amplier termal #8, th causes call f contuous low fire Remove cap (B), loosen lock screw (C) Turn (D) desired low fire adjustment (Clockwe rotation reduces mimum flow rate) Tighten set screw (C), replace cap (B) reconnect wire amplier termal #8 M4, 5, 6 High Manold Adjustments: Dconnect wires from amplier termal #4, th causes call f contuous high fire Adjust regulat obta desired manold (7" wc maximum) Reconnect wires amplier termal #4 B Low Bypass Adjustments: Dconnect wire from amplier termal #8, th causes A call f contuous low fire Remove cap (A), turn adjustg screw (B) desired low fire adjustment (Clockwe rotation reduces mimum flow rate) Replace cap (A), reconnect wire amplier termal #8 8 LITHO IN USA 8MMP