2 Market s Company Recommended Control Options +FIF5I0N +HFIB5I0N +F2F50N + HI-2B5I0N +GIG50N PP5I0CAIN +FF5I05N -t-hflbslosn + F2F5HI5N + HI-2B505N +GIG5I05N PP5I05CAN F2FSIQ7CAL HI-2B5I07CAL GIG507CAL PP5KI7CAN F2F5 IOCAII. HF2B5IIOCAII. GG5I ISC AIL PIP? I I OCA IN FF5I ISCAIL HFB55CAIL PP5I ISCAIN HFB5CAIL PP5CAN FF525CAL HFB525CAL PP5I25CAIN FF5I0CAIL HI-B5I0CAIL PPSI0CAIN FF5ICAIL HFB54ICAIL PP5ICAIN FF5I50CAIL HFB550CAIL PP5ISOCAL UHS00 Control Accessory Options (Field Installed) 6272 62702 6272 627502 627602 602 627802 602 62702 628X2 62802 6282 d2802 DCS252 DCS25 DCS2 DCS62 DCS6 T502 T5 TCS 02 TCS 0 FSSIOI 500 SERIES TASKMASTER Power Disconnect Switch 2 Pole. 25 Amp. - VAC Rex Pole, Amp. - 600 VAC Res. Pole. 60 Amp. 2) - 600 VAC Res. 2 Pole. 80 Amp. - 600 VAC Res. Pole. 80 Amp. - 600 VAC Res. Line Voltage Thermostat SI'ST. Line Dulv. 25 Amp. 2( - V. 45" - (l ; DPST. Line Dulv. 25 Amp, - V. 45" - 0"' I-' Low Voltage Thermostat (all CA models) SPST. Low Voll/Pilol Dulv. 25 VA, 45' - ")()-' (. - kw uniisi 2 Staee. Low Volt. 25 VA. 45-0 (25-0 kw unils) Stratification Thermostat SPST. Low Voll/Pilol Dulv iw/relav), 70-0 F SPST. Line Dulv. AMP. - 0V, 70-0 F Summer Fan Switch SPST. Line Volt. -V SPST. Line Vnll. 4SO - 600V Control Accessories (Remote Mounted) 60802 6002 2600X2 52 6 02 6002 6262 62602 6262 626502 Disconnect Switch 0 DCS 2S2 DCS 25 2 DCS 62 DCS 62 DCS 62 DCS 62 DCS 62 DCS 62 SAME AS VOLT * S TWTS0 TW5I2 A676 MBIS TWI2 FSW5 FSWSI 2 TFS50 T 0 DCS 25 DCS 25 DCS 25 DCS 25 DCS 25 DCS 25 DCS 2 DCS 2 DCS 2 DCS 2 DCS 2 DCS 2 DCS 6 DCS 2 DCS 25 DCS h DCS 25 DCS 6 DCS 6 DCS 2 DCS 6 DCS 2 DCS 6 DCS 6 _j Thermostat B.I. T5IOU T5 0) T5 00( T5 00() T5 00( T5 00() T5 00() T5 00() T5 00() T5 00() T5 00() T5 00() UI T5 00 T5 00() TW4I TW4I TW4I TW 5 2 TW4I TWI5I2 TW4 Ad 76 TWI4I TWI5I2 TWI4 TW52 A6 76 A676 A6 76 A676 A6 76 A6 76 A6 76 A6 76 A6 76 A6I 76(2) A67d(2) I2) I2) Ad 76 2) A6 76(2) A6 76(2) A6 76(2) Ad 76(2) A6l7d(2) A67d(2) A6l7d(2) Ad 76 Line Voltage Thermostat SPST. 0 Amp. - 0V. 25 Amp. V. 45" - >«r F DPST. 0 Amp, - 0V. 25 Amp. V. 4.V - 0 Low Voltage Thermostat (all CA models) SPST. Low Voll/Pilol Dulv. 50-80' (. - kw units! V. Adjustable Anticipation Thermostat - A6 2 Slase. Low Volt. 45" - «5 (25 50 kw unils) Stratification Thermostat SPST. Line Voll. - V. 70-4)- Summer Fan Switch SPST. Line Voll, I-V SPST. Low Vole. Wilh Relav Low Voltage Thermostat & Summer Fan Switch (all CA models with relay) SPST. Low Volt, 4 " -0 SPST. Low Voll. 45"- 85' F Sum. Fan Switch U.I. I-S5 FS5 ) PS5 0 FS5 0 FS5 ) FS5 FS5 2 FS5 FS5 )l FS5 FS5 FS5 FS5 2 FS5 FS5 FS5 FS5 FS5 FS5 )2 FS5 0 FS5 0 -SS 0 FS5 0 FS50I FS5 02 FS50 FS502 FS50 FS50 I-'SSIOI FSSI02 FS50I FS5Q I-S5I02 FS5I0 FSW5I FSW5 II FSW5 II FSW5 II FSW5I 2 I-SW5I II FSW5II FSW5I FSW5I FSW5I FSW5I FSW5II FSW5I 2 FSW5 I-SW5I 2 FSWSI FSW5I 2 FSWSI 2 FSW5) FSWSI 2 FSW5! FSW5 II I-SW5 2 I-SW5 2 l-'swsl II FSW5I l-'swsl 2 FSW5 FSW5 FSW5 2 FSW5I Thermostat & Sum. Fan Sw. Mtd. T TFS5 TFS5 TFS5 TFS5 TFS5 T TFS5 ) TI-S5 II T T-S5 T TFS5 TFS5 TFSJ II TFS5 I-S5 II TFS5 M S5 TFS5K ( TFS5K TFS5K ( TFS5K TFS5K ( TFS5K TFS5K ( TFSSK TFS5I ( TFS5H ( TFSSK () TFS5IOK) Stratification Thermostat B(4) TCS 0 TC5 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS )2 TCS 0 TCS 0 TCS 0 TC5 0 TCS 0 TCS 0 TCS )2 TCS 0 ICS 0 res 0 res 0 TCS 02 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 IT'S 0 TCS 0 TCS 0 TC5IO! TCS 0 TCS 0 TC50 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 TCS 0 Dimensional Data KW Rating. and KW and 0.0 KW and.0 KW 2 through 50.0 KW TC d( 2 TC«2 TCld(2 TC 6 2 TC 6 2 TC 6 2 TC H 2 TCld()2 TC602 TC d()2 TC602 TC602 TC602 TC602 TC602 C 602 "H" 7 /4 5/6 28 /6 4 H "W" 4 5/2 2 /2 2 /2 2 /4 "D" 6 /2 6 /2 6 /2 0 /6
Market s Company Performance Data 6450X02 645 002 6456802 6457002 64572 645I2II2 64552 6455602 6452 645 602 64582 645 802 64502 64502 6452 64502 6452602 6452802 64562 62 645.2 645.2 645602 645.802 6454X2 6458802 6452 645802 64542 64542 6454602 642 64602 64802 6452 6455X2 64552 +FIF5I0.N +HHB50.N +F2F50.N +HF2B50N +GKJ50.N PP50CAIN +FF505N +HFB5I05N +F2F5I05N +HF2B5I05N +CIG5I05N PP505CAIN F2F5I07CAI, HF2B5I07CAL GIG5I07CAL PP507CAIN F2F50CAL HF2B50CA. GIG5IIOCAL PP5IIOCAN FF5M5CAI, HFB55CAI. PP5I5CAN HFB5CAIL PP5ICAN F.F5I25CAL HFB525CAL PP5I25CAN FFCAII. HFBCAIL PP50C'AIN FF5CAL HFB5CAIL PP5CAN FF550CAIL HFB550CAIL PP550CAIN kvv Rating../2.5../2.5.. /.7 /.7 /5.6. 0.0/ ] 0.0 0.0 /.2.7/4.8.0 2 2/8.7 2 0.0 0.0/.5 0.0.0.0/0.0.0 4.6 50.0/ 50.0 HTU/HR (000).2.2/8.5.2 M.2/K.5.2.2 7. 7./2.8 7. 7./2.8 7. 7. /.2.8.4./ 4. 4. 5.2 5.2/8.4 5.2 67.2/50.5 6X. 85. 85./64.0 X5. 02.4 02.4/76.8 02.4 6.5 6.5/02.4. 6. 70.6/28.0 70.6 500 SERIES TASKMASTER Volt.s 2(l«4X0 0/K Phase ; * Control Voltage +These models are wired for direct line voltage control and have no contactors. If volt low voltage control is required, add suffix "CA". For volt control, add suffix "CA2". All other heaters supplied with contactors and V transformers as standard. Diffuser Options Code (626802 0626802 068802 068 802 0626602 0626602 0626702 0626702 Slandard Not Applicable AD5 ADS AD550 AD5I50 Not Applicable RD5 RD5I RD5 50 RD550 KW Used. & & 0.0 &.0 2 & 0.0. & & 0.0 &.0 2 & 0.0. & & 0.0 &.0 25. 0& 0.0. & & 0.0 &.0 2 & 0.0 Max Mount Ht. 2 IX 2 8 0 5 7 45 0' 0 4 4 2 0 IX 28 Max Amps 5..7/. 5. 5..7/. 7./6.. 4.0../8....8/8. 2./0.4 8. (v 6..8./27. 8. /5. 6 27.. 47.8 27.7 4.2/6. /.8 6. 2. 4.7 6./. 8. 47.8/4.. 6.5 60.2/52.. 8.4 72./62.5.6.2 6.4/8.4 47.0.0.5/04. 60 Dimension A 52 75 H4 5 0 55 64 45 6 42 62 68 0 8 50 60 0 0 5 44 54 H.P. /25 /25 /50 /50 / / /2 /5 /2 /2 /5 /4 /4 /5 /4 /4 /5 RPM 550 550 500 550 550 550 550 550 550 550 Dimension B 0 0 42 47 CFM 0 0 700 700 IKK) 00 00/ 800 00/ 800 00/ 2800 KM)/ 2800 FPM 00 00 000 000 580 580 00/ 00 l.kkv 00 00/ 800 00/ 800 Temp Rise F 26 4 45 4. 57 /44 47/5. /45 5 /56 Mounting Height Horz. FT Vert. FT 0 0 " 2-2 " 5 2 4 8 2 Weight 25 Ib. 25 Ih. 54 Ih. 55 Ih. 64 Ib. 65 Ib. Ib. Ib.. Ib. Ih. : Louver Diffuser (). Louvers can be individually adjusted lor rectangular coverage over doorways as an air-curtain, or to meet rectangular floor pattern heating requirements. 2: General Distribution (No Diffuser). The 500 air chute vcnturi permits general down How air pattern distribution as required at a higher mounting height. : Anemostat Diffuser (Optional). For applications where draft restriction is required at lower unit mounting heights. 4: Radial Diffuser (Optional). Individually adjustable fins permit increased floor coverage at 45 open. Additional throw is accomplished when fins are 0 vertical. Please allow for higher mounting heights. Louver Diffuser () w w 2 General Distribution (No Diffuser} w Anemostat Diffuser (Optional).7^ 4 Radial Diffuser (Optional)
Markel s Company 500 SERIES TASKMASTER Mounts horizontally or vertically with optional accessory hangers. Draw through design for efficient air circulation and even air pattern across elements. Field Convertible combination /0V and single/-phase heaters up to 0KW. Fan Over-ride purges heater of residual heat after shutdown. Conforms to OSHA and NEC Codes when installed according to instructions. Wide range of accessories temperature/air control and air diffuser options Two stage operation on 25-50 KW models. Two speed motors on 25-50 KW models. UL, CSA listed. Vertically Mounted Down-blow unit heaters are recommended for use in high bay areas or in spaces where extended heat distribution is desired using a minimal number of heaters. A wide selection of accessory diffusers is available to establish air patterns and distribution to meet almost any requirements. Unit heaters should "Q be used in low bay QJ areas and places +-> along outside walls, C spaced and directed to set up Q generally circular P air movement. 2l 500 Taskmaster I Industrial Electric Unit Heater NOTES: 25-50 KW models are wired to single or two stage heating and have two speed motors. Air delivery and motor data on dual voltage units reflect higher voltage. 600 volt available in 5 KW through 0 KW with V controls. Contact factory for and 50 KW models. Supply wire on and 50 KW models should have rated insulation of 75 C minimum. "Minimum mounting height - 7 feet. () Use T5 for two stage control. (2) Use TW2 for two stage control. () Use TFS502 for two stage control. (4) thermostat must be used when built-in stratification thermostat is required. HOW TO ORDER (Find s Desired) ) Determine the KW required and proper supply voltage from Electrical Data section of table. Eg: 0KWV0 = PP50CAN. 2) Determine desired control option(s) respective heater(s). ) Mounting Hardware: See next page for proper mounting bracket. 4) Sample Order: -PP50CAN HR 0KWV0 - DCS 25 Pole Disc Sw. -A676 Thermostat -A5 /Ceiling Hanger Brkt. Case die formed heavy gauge steel. 2 Outlet louvers adjustable from 0 up to 45 angle. Motors - KW; totally enclosed, permanently lubricated unit bearing. 25 KW up; two speed, totally enclosed, permanent split capacitor with 0 years lubrication. 4 Contactors heavy duty type factory installed and wired where required 5 Fusing circuit subdivision, motor and transformer fusing factory installed where required. 6 Element high quality alloy resistor wire, centered and permanently encased within highly compacted refractory material, surrounded by all steel spiral sheath fins. 7 Transformer volt control transformer where required. 8 Thermal overload automatic reset disconnects motor and element in the event normal operation temperatures are exceeded. Master terminal board for easy wiring of all control options. 0
HORIZONTAL OR VERTICAL DISCHARGE FAN FORCED SUSPENDED UNIT HEATER VERTICAL DISCHARGE HORIZONTAL DISCHARGE. KW THROUGH 50 KW SUSPENDED FAN FORCED UNIT HEATERS AVAILABLE IN OR PHASE FOR ALL STANDARD VOLTAGES FROM V TO V THAT CAN BE MOUNTED TO PROVIDE HORIZONTAL OR VERTICAL AIR DISCHARGE. CONSTRUCTION: Heavy gauge welded steel cabinet with powder coated finish and control compartment housing a master terminal board with a hinged and latched access door, simplifying wiring, installation & maintenance HEATING ELEMENT: Copper clad steel sheath element with continuously brazed steel fins formed to allow side draw through air flow OVERHEAT PROTECTION: All units come equipped with automatic resetting type limit controls to de-energize the heater should an over-temperature situation occur. FAN and MOTOR: Totally enclosed, -speed, -phase, permanently lubricated, thermally protected motors with unit bearings on KW - KW models Totally enclosed, 2-speed, -phase, permanently lubricated, thermally protected motors with sleeve bearings on 25 KW - 50 KW models All motors mounted with rubber insulators to minimize vibration & noise Fan over-ride purges unit of residual heat at shutdown LOUVER ASSEMBLY: Louvers are individually adjustable for directional control of air flow up to 5 o from straight horizontal Optional diffusers available for down flow (vertical discharge) applications TEMPERATURE CONTROLS: Optional low voltage and line voltage thermostats available with an adjustable temperature range of F to 0 F Units with model numbers ending in CA are factory wired for low voltage controls 25 KW through 50 KW units are designed for two stage heating operation INSTALLATION: Unit Heaters can be mounted for horizontal DIMENSIONS (inches) or vertical discharge KW RATING H W D FIELD INSTALLED OPTIONS:.KW - KW 7 /4 4 5/2 6 /2 In-unit or wall mounted temperature control thermostats - low or line voltage KW - 0.0KW 5/6 2 /2 6 /2 Summer fan switch to operate the fan only. 2KW - 50.0KW 28 /6 2 /2 6 /2 Power disconnect switch Heat stratification thermostat KW -.0KW 4 2 /4 0 /6 MODEL DESIGNATION HF 2 B 5 0 C A ELEMENT VOLTS: F = H = 0 HF = 0 / G = P = U = 600 (*) ELEMENT VOLTAGE PHASE MOTOR VOLTAGE MODEL SERIES ELEMENT KW OPTIONAL MOUNTING BRACKETS CONTACTOR TRANSFORMER CONTROL VOLTAGE VERTICAL DISCHARGE HORIZONTAL DISCHARGE PHASE: = -PHASE 2 = or PHASE = -PHASE (*) 600-volt units available on special order, consult factory for pricing & availability. D MOTOR VOLTS: F = H = 0 B = 0 / G = P = U = 600 (*) CONTACTOR: 0 = NONE C = INCLUDED TRANSFORMER: 0 = NONE A = INCLUDED MOUNTING BRACKETS CONTROL VOLTS: = 2 = = Element Voltage 4 = 0 6864 M ODEL M ODEL SIZE WT. 6264 A505. KW TO KW lbs. 62700 A5 KW TO.0 KW lbs. 68 A550 2 KW TO 50.0 KW 6 lbs. 688628 B505. KW TO.0 KW lbs. 68865 B550 2 KW TO 50.0 KW 8 lbs. 62847 V505. KW TO KW lbs. 62854 V5 KW TO.0 KW lbs. 6286 V550 2 KW TO 50.0 KW 6 lbs.
HORIZONTAL or VERTICAL DISCHARGE FAN FORCED SUSPENDED UNIT HEATER: CONTROL TEMP AIR Mount Height 6864 MODEL KW BTU's VOLTS PHASE AMPS VOLTAGE RISE THROW CFM Hortz Vert WT. 64508 FF50N..2 5. 64502 HFB50N./2.5.2 / 8.5.7 /. 0 / 64568 F2F50N..2 /. / 6. 645706 HF2B50N./2.5.2 / 8.5.7 /. 0 / 26 o F 2' 0 ' ' 25 lbs. 7. / 6. 6457 GG50N..2. 64526 PP50CAN 4.0 645546 FF505N 7.. 25 lbs. 645560 HFB505N /.7 7. / 2.8. / 8. 0 / 25 lbs. 645 F2F505N 7.. 25 lbs.. o F 2' 0 ' ' 64564 HF2B505N 7. 0.8 / 8. 0 27 lbs..7 2.8 2. / 0.4 27 lbs. 64584 GG505N 7. 8. 27 lbs. 64588 PP505CAN 7. 6. 27 lbs. 645 F2F507CAL / 6. 6455 HF2B507CAL 0.8 5.6.2. / 27. 4 F ' 700 0' 2' 54 lbs. 64528 GG507CAL 27. 645 PP507CAL. 64526 F2F50CAL..8 / 47.8 / 27.4 645287 HF2B50CAL 0.0 4. 0 27.7 4.2 45 F ' 700 0' 4' 55 lbs. 645645 GG50CAL 0.0 4. 6. 64500 PP50CAL 0.0 4. 2. 645 FF55CAL 5.2 4.7 64548 HFB55CAL /.2 5.2 / 8.4 6. /. 4 F 2' 00 ' ' 64 lbs. 64562 PP55CAL 5.2 8. 64586 HFB5CAL.7/4.8 67.2 / 50.5 47.8 / 4. 57 F 2' 00 2' 8' 65 lbs. 645 PP5CAN.0 68.. 64588 FF525CAL 2 85. 6.5 64542 HFB525CAL 2/8.7 85. / 64.0 60.2 / 52. /44 F 45' 00/800 2' ' lbs. 64580 PP525CAN 2 85. 0. 64542 FF50CAL 0.0 02.4 8.4 645447 HFB50CAL 0.0/.5 02.4 / 76.8 72. / 62.5 47/5 F ' 00/800 2' ' lbs. 64546 PP50CAN 0.0 02.4 6.2 6444 FF5CAL.0 6.5.2 6468 HFB5CAL.0/0.0 6.5/02.4 6.4 / 8.4 /45 F 55' 00/2800 5' ' lbs. 6482 PP5CAN.0. 47.0 645485 FF550CAL 4.6 6..0 645508 HFB550CAL 50.0/ 70.6/28.0.5/04. 5/56 F 50' 00/2800 5' ' lbs. 6455 PP550CAN 50.0 70.6 60. CONTROL ACCESSORY OPTIONS - FIELD INSTALLED IN HEATER 6864 MODEL DESCRIPTION POWER DISCONNECT SWITCH 627 DCS252 2 POLE; 25 AMP; - V.A.C. RES. 627 DCS25 POLE; 25 AMP; -600 V.A.C. RES. 62748 DCS2 POLE; 2 AMP; -600 V.A.C. RES. 62755 DCS62 2 POLE; 6 AMP; -600 V.A.C. RES. 62762 DCS6 POLE; 6 AMP; V.A.C. RES. LINE VOLTAGE THERMOSTAT (45-0 o F) 6 SPST; LINE DUTY 25 AMP -V 62786 T502 DPST; LINE DUTY 25 AMP -V LOW VOLTAGE THERMOSTAT (ALL CA MODELS) (45-0 o F) 6 SPST; LOW VOLT/PILOT DUTY; 25VA ; (.- KW UNITS) 627 T5 2-STAGE; LOW VOLT; 25VA; (25-50 KW UNITS) STRATIFICATION THERMOSTAT 6280 TC502 SPST; LOW VOLT/PILOT DUTY (W/RELAY) ; 70-0 O 6286 TC50 SPST; LINE DUTY; AMP -0V; 70-0 O SUMMER FAN SWITCH 6282 FS50 SPST; LINE VOLT ;-V 6280 FS502 SPST; LINE VOLT ; -600V CONTROL ACCESSORIES - REMOTE WALL MOUNTED 6864 MODEL DESCRIPTIO N LINE VOLTAGE THERMOSTAT 6068 **TW50 SPST 25 AMP -V -0 o 60 *TW52 DPST 25 AMP -V -0 o LO W VOLTAGE THERMOSTAT (ALL CA MODELS) 260008 A676 SPST (. - KW UNITS) 50-80 O 66 TW2 2-STAGE (25-50 KW UNITS) 45-85 O STRATIFCATION THERMOSTAT 602 TC602 SPST LINE VOLT -V 70- O SUMMER FAN SWITCH 62625 FSW5 SPST LINE VOLT -V 6262 FSW52 SPST LO W VO LT (W/RELAY) LO W VOLTAGE T'STAT & SUMMER FAN SWITCH(W/RELAY) (CA MODELS) 6264 TFS50 SPST LOW VOLT -0 O 62502 TFS502 2-STAGE LOW VOLT 45-85 O