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AIREDALE AIR 1-550.30, Installation And Service Manual

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AIREDALE AIR 1-550.30 Installation And Service Manual Download Page 1

THIS MANUAL IS THE PROPERTY OF THE OWNER. 

PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB. 

AIR 1-550.30

5H0797020000

INSTALLATION AND SERVICE MANUAL

steam/hot water unit heaters

Inspection On Arrival

1.  Inspect unit upon arrival. In case of damage, report it 

immediately to transportation company and your local factory 

sales representative.

2.  Check rating plate on unit to verify that power supply meets 

available electric power at point of installation.

3.  Inspect unit received for conformance with description of 

product ordered (including specifications where applicable).

General Information

Installation and service instructions in this manual are applicable 

to the three types of steam/hot water unit heaters which should 

be installed in their proper applications for their most effective 

function as overhead heating units.
The copper coils are warranted for operation at steam or hot 

water pressures up to 150 lbs. per sq. in., and or temperatures 

up to 375°F, cupronickel tube units are warranted for operating 

pressures up to 250 PSI and operating temperatures up to 

400°F. Canadian Standards Association (CSA) requirements 

state that explosion-proof units may not be used with a 

fluid temperature in excess of 329°F and still maintain their 

explosion-proof rating, for national electric code ignition 

temperature rating T3B for grain dust.
Motors are designed for continuous duty. They can operate in a 

maximum ambient temperature of 104°F (40°C).
The unit heaters are listed by the Canadian Standards 

Association as certified and Canadian Registered heat exchangers 

CRN OH 9234.5C. *Does not apply to WVC/WPC 952.

Steam horizontal and vertical delivery unit heaters are available 

in both standard and low-outlet temperature models. Low outlet 

temperature models are recommended primarily for installation 

on heating systems with steam pressures of 30 to 150 PSI. 

When used at these steam pressures they provide lower outlet 

air temperatures for longer heat throw and, because of wider 

fin spacing, they are less susceptible to clogging in dusty 

atmospheres.
The model number of each unit heater indicates its rated Btu/Hr. 

capacity/1000 at 2 lbs. steam pressure and 60°F entering air 

temperature. For example an WTC 63 has an output of 63,000 

Btu/Hr. at 2 lbs. steam and 60°F entering air.

Model WTC

Horizontal Delivery

Top/Bottom

Inlet/Outlet

Model WSC

Horizontal Delivery

Side 

Inlet/Outlet

Models WVC/WVN

Vertical Delivery

Model WPC/WPN

“Power-Throw”

IMPORTANT

The use of this manual is specifically intended 

for a qualified installation and service agency.   

A qualified installation and service agency must 

perform all installation and service of these 

appliances.

CAUTION

Do not remove outlet fan guard from vertical 

type unit heaters.

May, 2017

Summary of Contents for AIR 1-550.30

Page 1: ... rating for national electric code ignition temperature rating T3B for grain dust Motors are designed for continuous duty They can operate in a maximum ambient temperature of 104 F 40 C The unit heaters are listed by the Canadian Standards Association as certified and Canadian Registered heat exchangers CRN OH 9234 5C Does not apply to WVC WPC 952 Steam horizontal and vertical delivery unit heater...

Page 2: ... atmosphere WARNING 1 Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage 2 All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property 3 Any original factory wiring that requires replacement must be replaced wi...

Page 3: ...re listed in Table 4 1 and the height dimensions are shown in Figures 4 3 through 4 7 Maximum mounting heights for vertical models are given for units with or without optional air deflectors The data in Table 4 1 is based on operating conditions of 2 lbs steam or 220 F entering water with 60 F entering air When operating conditions are other than those above refer to Figure 4 2 for maximum mountin...

Page 4: ...m pressures other than 2 pounds or with water at other than average temperature of 220 F Table 4 1 Maximum Mounting Heights UNIT MOUNTING Figure 4 2 Maximum Mounting Heights Correction Factors H Figure 4 6 Vertical Truncone Horizontal Type Power Throw Type Vertical Type with Deflectors No Deflector Cone Jet Truncone Louvers Model No Height ft Model No Height ft Model No Height ft Height ft Height ...

Page 5: ...5 greater than the rated voltage 5 CAUTION 1 Do not install units below 8 feet measured from the bottom of the unit to the floor 2 Do not reuse any electrical component which has been wet Replace component 3 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated voltage Piping See Figure 6 1 1 Branch piping to and from unit heater should inclu...

Page 6: ...nd must be connected according to wiring diagram with each controller Prior to Operation 1 Make sure fuses are installed in fused disconnect switches 2 Check all electrical connections to assure they are secure 3 Check rigidity of unit mounting Tighten all fasteners if necessary 4 Inspect piping strainers traps fittings etc Initial Start Up 1 Set thermostat to lowest position 2 Turn on power suppl...

Page 7: ...ptional Casings Electrostatically applied gray green polyester powder coat paint finish is applied over rust and corrosion treated steel for long life Motor Cooling Cone Shields motor from coil heat prolongs life of insulation windings and lubricant Prolongs motor life Coil Aluminum fins mechanically bonded to tubes for maximum heat transfer All steam and water carrying passages between heavy stee...

Page 8: ...15 112 631 1 1 2 1 140 WPC 952 952 000 3 967 21 145 12 170 2 321 139 985 2 1 140 Vertical Delivery WVC WVN 42 42 000 175 11 15 17 11 950 825 103 43 1 30 1 050 WVC WVN 59 59 000 246 14 19 21 14 1 155 1 005 111 61 1 30 1 050 WVC WVN 78 78 000 325 15 20 23 15 1 590 1 065 109 81 1 15 1 050 WVC WVN 95 95 000 396 15 20 23 15 1 665 1 120 118 98 1 15 1 050 WVC WVN 139 139 000 579 18 24 27 18 2 660 1 285 1...

Page 9: ... 53 5 040 805 94 214 1 2 1 075 WTC WSC 340L 255 000 1 063 23 53 5 575 775 102 264 1 2 1 075 Power Throw WPC WPN 610L 470 000 1 958 22 154 2 400 2 445 97 486 1 1 2 1 140 Vertical Delivery WVC 42L 33 000 138 13 17 20 13 960 835 94 34 1 30 1 050 WVC 59L 44 000 183 16 22 24 16 1 190 1 035 96 45 1 30 1 050 WVC 78L 62 000 258 19 26 29 19 1 740 1 070 95 65 1 15 1 050 WVC 95L 71 000 296 19 26 29 19 1 760 ...

Page 10: ... 279 192 300 20 0 0 2 4 5 60 0 17 108 5 460 2 165 94 1 2 1 075 WPC WPN 333 238 500 24 8 0 4 4 5 100 0 18 117 5 980 2 165 99 3 4 1 140 WPC WPN 385 276 100 28 8 0 6 4 5 100 0 18 124 7 680 1 860 95 1 1 140 WPC WPN 500 358 000 37 3 0 5 6 0 100 0 19 138 10 390 2 520 93 1 1 2 1 140 WPC WPN 610 450 400 46 9 1 0 6 0 100 0 22 151 11 750 2 315 97 1 1 2 1 140 WPC 952 721 600 75 2 1 1 14 0 200 0 23 150 12 166...

Page 11: ... 89 1 2 1 075 WTC WSC 290L 161 100 16 8 3 7 2 5 70 0 25 57 5 040 800 89 1 2 1 075 WTC WSC 340L 200 900 20 9 6 6 2 5 70 0 25 57 5 575 760 93 1 2 1 075 Power Throw WPC WPN 610L 344 900 35 9 0 6 6 0 100 0 24 158 12 400 2 445 86 1 1 2 1 140 Vertical Delivery WVC 42L 23 000 2 4 0 4 0 5 10 0 14 18 21 14 960 835 83 1 30 1 050 WVC 59L 32 600 3 4 0 3 0 8 15 0 17 23 25 17 1 190 1 035 86 1 30 1 050 WVC 78L 4...

Page 12: ... 34 WSC 47 15 17 1 2 8 3 4 8 12 1 4 11 3 5 8 6 10 3 4 12 35 WSC 63 18 1 2 21 1 2 8 3 4 8 12 3 4 15 3 5 8 6 14 3 4 12 48 WSC 86 18 1 2 21 1 2 8 3 4 9 12 3 4 15 3 5 8 6 14 3 4 14 52 WSC 108 22 1 2 25 1 2 9 1 2 8 11 1 2 18 3 5 8 6 3 8 18 3 4 18 74 WSC 121 22 1 2 25 1 2 9 1 2 7 1 2 11 18 3 5 8 6 3 8 18 3 4 18 76 WSC 165 26 1 2 29 1 2 9 1 4 9 1 2 14 21 1 4 3 5 8 6 3 8 22 3 4 22 92 WSC 193 30 1 2 32 1 2...

Page 13: ... 1 1 2 1 70 WVC WVN 161 34 3 4 8 3 8 18 3 8 2 1 8 3 19 1 2 19 1 1 2 1 80 WVC WVN 193 34 3 4 9 7 8 18 3 8 2 1 8 3 19 1 2 19 1 1 2 1 86 WVC WVN 212 34 3 4 12 7 8 18 3 8 2 1 2 3 19 1 2 19 2 1 1 4 94 WVC WVN 247 34 3 4 12 7 8 18 3 8 2 1 2 3 21 1 2 21 2 1 1 4 108 WVC WVN 279 34 3 4 14 3 8 18 3 8 2 1 2 3 21 1 2 21 2 1 1 4 112 WVC WVN 333 43 1 4 14 5 8 31 1 2 2 7 8 3 1 8 22 1 2 18 1 5 22 2 1 2 1 1 2 166 ...

Page 14: ...otor damage Check plant voltage conditions A separate manual starter with thermal overload protection device is recommended for those units that do not have motors with built in overload protection Coils 1 Clean coil at least once a year more often under unfavorable conditions Unless coil is kept reasonably free of dirt lint and grease its original heating capacity will be reduced possibly to a se...

Page 15: ...ing in too high air temperature 6 Restricted air flow due to clogged coil or closed louvers 7 Fan out of balance 8 Unbalanced voltage on 3φ power Coil Failure Unit Leaks 1 Severe internal corrosion from feedwater 2 Type of boiler treatment 3 Entrained air causing water hammer 4 Continuous operation above 150 PSI 375 F steam systems 5 Loose connection Table 15 1 Troubleshooting Replacement Parts Wh...

Page 16: ...UIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER FOR GAS FIRED PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING STAINLESS STEEL HEAT EXCHANGERS BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO TEN YEARS FROM DATE OF SHIPMENT FROM SELLER These warranties are issued only to the origin...

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