Circul-Air C612 Manuale utente

INSTALL & USE GUIDE 2023

CIRCUL-AIR CABINET DRYERS

208 & 240 V DRYERS, 1PH & 3PH North America

120 V DRYERS, 1PH North America

For models:

C612, C613, C633, C634

E612, E613, E633, E634

D612, D613, D633, D634

V511

REV 1, 2023

Email: circulair@circul-air-corp.com

Web: www.circul-air-corp.com

1-800-795-1150

SAFETY

WARNING

DISCONNECT POWER TO DRYING CABINET BEFORE SERVICING TO

PREVENT ELECTRICAL SHOCK OR BODILY INJURY

1. THIS MACHINE MUST HAVE A PROPER DUCT COVER OR VENTING IN PLACE BEFORE OPERATION.

FAILURE TO DO SO CAN RESULT IN INJURY OR PROPERTY DAMAGE.

2. THIS MACHINE MUST BE PROPERLY WIRED TO LOCAL, STATE / PROVINCE OR FEDERAL CODE BY A

COMPETENT ELECTRICIAN. A LOCAL, INDEPENDANT DISCONNECT PROPERLY SIZED FOR THE

EQUIPMENT IS RECOMMENDED FOR SAFE OPERATION. FAILURE TO FOLLOW THESE

INSTRUCTIONS MAY RESULT IN INJURY OR PROPERTY DAMAGE.

3. NEVER DRY EQUIPMENT WHICH HAS FLAMMABLE MATERIALS (OILS, FUEL ETC) IN THIS CABINET.

4. DO NOT OPERATE THE EQUIPMENT FOR PROLONGED PERIODS OF TIME WITH THE DOORS OPEN.

THIS WILL STALL THE AIRFLOW AND MAY RESULT IN DAMAGE OF THE HEATING ELEMENTS,

PERSONAL INJURY DUE TO BURNS OR PROPERTY DAMAGE.

MACHINE SPECIFICATIONS:

Model

PPE-2

PPE-4

PPE-6

PPE-6XL

Shipping Dimensions:

(Width x Depth x Height)

46” x 40” x 90”

46” x 56” x 90”

46” x 60” x 90”

60” x 64” x 90”

Shipping Weight:

615 lb

775 lb

875 lb

1175 lb

Cabinet Dimensions Closed: (Width x

Depth x Height) *

32.5” x 37” x 84”

47” x 33.9” x 81”

55” x 37.25” x 83”

48.5” x 55” x 81”

Door Depth @ 90: (Depth)

67”

60”

63”

80”

Width Clearance @ 120: (Width) **

39”

62”

73”

78”

Min Oset from rear wall

Min Oset from side wall

PERFORMANCE

Airow, Negave Pressure Axial:

600 CFM

900 CFM

Heang @ 240V, 1PH:

1500W

6000W

ELECTRICAL OPTIONS ***

240/1/60

C612

E612

D612

208/1/60

C613

E613

D613

240/3/60

C633

E633

D633

208/3/60

C634

E634

D634

120/1/60

V511

CONSTRUCTION AND ACCESSORIES

Standard Finish:

Powder coat CAC

Grey, Galvanized

Powder coat CAC

RED, Galvanized

Powder coat CAC

Grey, Galvanized

Powder coat CAC

Grey, Galvanized

Grid Posions:

Standard Hose / Gear Grid:

Standard Boot / Gear Grid

Boot / Glove Hangers (CAC-BGH):

Gear Hangers (CAC-GH):

105F Max Temperature Control:

YES

* This includes the door handle clearance

** This is the minimum opening required to remove the shelves from the unit.

*** Refer to electrical installaon for minimum amp service and wire requirements

ELECTRICAL CONNECTIONS:

Circul-Air cabinets are designed for simple electrical installaon. Follow this secon for preparing for and

connecng your cabinet to the building service.

PPE-2 Cabinet:

This cabinet comes equipped with an 8’ grounded power cord,

connected with a stain relief at the back of the cabinet. A 20A

standard recepcle is recommended for use, however a 15A outlet

will be sucient in most applicaons.

Ensure the strain relief is secure and that the cable is not under

tension when in use.

CAUTION

The prolonged use of an extension cord is not recommended.

PPE-4, PPE-6 and PPE-6XL Cabinets:

These larger cabinets come equipped with an electrical

connecon box at the top, rear le of the machine when

viewed from the rear of the equipment. A standard 1-

1/8” port suitable for a ¾” exible conduit ng is

provided to connect the equipment to the wall disconnect

(by customer).

Depending on the electrical conguraon chosen, the

customer will need to pull a sucient quanty and size of

wire to the equipment.

Connecon is at a marked locaon (L1/L2/L3/N/GND) and

is determined by the model chosen.

240 TYPICAL

208 TYPICAL

Machine Placard:

Each dryer has a placard inside the door which provides informaon on the machine

construcon as well as basic use. Key pieces of informaon to know are the model, serial # and

electrical conguraon. The fuse size noted is the wall disconnect sizing. Local electrical codes

take priority in sizing the disconnect.

ONLY CONNECT SUPPLY TO L1, L2, L3, N AND GND.

NEVER CONNECT TO THE INTERNAL TRANSFORMERS.

DUCTING & VENTILATION:

Circul-Air cabinets are negavely pressured, axial ow cabinets which means that the fan is connuously

evacuang high volumes of internal air from the cabinet. These cabinets require some backpressure to

work most eecvely, and for best drying the damp air should be removed from the area of the cabinet.

Recommended:

It is recommended that all cabinets are

ducted with a 10” or 12” diameter

duct, completely out of the room

where the unit is located to ensure

that the unit is not recycling the humid

air being removed form the cabinet.

Duct sizes smaller than 8” in diameter

are not recommended.

Oponal:

PPE-2 cabinets ship from the factory with a sloed guard which protects the operator and

establishes backpressure. It can be operated with this guard.

EVI-4, PPE-6 and PPE-6XL cabinets can be equipped with a deecon duct which steers the damp

air away from the cabinet. This soluon is best used in large spaces such as apparatus bays or

well-venlated rooms. These 10” or 12” ducts include a reducing collar, a short vercal duct, an

adjustable angle and a second straight secon. Fastened to the roof of the equipment this

establishes the necessary backpressure as well as protects the operator.

Some applicaons may also benet from an inline manual damper

which can be used to trim (or increase the backpressure) to account

for local condions such as proximity to sea level or cold humid

condions.

Complex installaons such as in high use hose drying may incorporate

2 or more cabinets and may incorporate building HVAC return ducts. In

this case interlocked dampers may be used to prevent backow of air

into cabinets not in use. A remote contactor is recommended and may

be ed to terminal “6” in the cabinet, 120V signal to me to the

operaon of the cabinet fan motor.

Other recommendaons:

•When passing through cold spaces the ducng must be insulated to prevent

condensaon.

•Use the maximum duct size available and reduce turns or angles when possible.

•Ensure external penetraons have a pest guard or rain hat to prevent ingress of pests,

water or debris.

•Limit duct runs to 15’-20’ or less. If duct runs need to exceed 15’-20’ an inline booster

may be required (by customer). These need to be at least 10” in diameter and supply at

least 700 cfm of airow. A remote contactor is recommended and may be ed to

terminal “6” in the cabinet, 120V signal to me to the operaon of the cabinet fan

motor.

Adjusng Back Pressure for Temperatures in Wet Climates

In some damp sea level condions, the cabinet may require addional backpressure to ‘trim’ the

performance of the heang system. The following process may be ulized.

1. Set adjustable damper or louver spring to open or no restricon.

2. Record ambient temperature on machine in fan only mode.

3. Turn on dryer and run for 15 minutes. Record temperature achieved empty. It should be

15 to 20 F over ambient.

4. Cool machine in fan mode 5-10 mins.

5. Adjust damper to 75% open.

6. Repeat test.

7. Adjust unl result is 15-20 F from ambient.

If more than 50% reducon is required, contact your Circul-Air Corp service department for

assistance.

LEVELING THE CABINET

Each drying cabinet has (4) leveling feet which can be accessed from inside the cabinet or from

underneath. Inside adjustment requires a large, sloed screwdriver, while adjustment from beneath may

require a larger adjustable wrench. Typically, these can be adjusted by hand.

Equipment is shipped with the feet fully retracted. If a foot pad is not touching, turn down unl just in

contact with the oor.

Adjusng Door Squareness for Single or Two Door Cabinets

1. Ensure the cabinet is level with the feet as retracted as possible.

2. Observe the alignment; if the le door is low, adjust the right foot and vice versa.

3. Open the doors rst.

4. While an assistant pushes up on the center of the door, adjust the appropriate front le

or front right foot. Have the assistant let the cabinet sele down, carefully close the

doors and check alignment.

Note: Use minimal adjustments to correct the leveling. 2-3 turns are more than sucient to adjust the

door squareness.

CABINET OPERATION

Each cabinet comes with a simple to operate NFPA 1851 compliant mer panel. The operator can select

the duraon of the drying desired and whether to opt for heated or ambient air to dry the equipment.

The mer displays the remaining drying me and the current temperature inside the cabinet.

The operator cannot increase the maximum temperature. Circul-Air cabinets are designed to heat the

incoming air above ambient to promote the release of water from the equipment (PPE & Hose). For PPE-

2 cabinets this is 10-15F and for the larger cabinets this is 15-25F depending on the local condions.

The cabinet will ensure that the heat is disabled once the airow reaches 105F to remain compliant.

Standard Circul-Air Cabinet Timer

Control Panel Buon

Acon

Result

HOLD 3-5s to turn on controls

Press 1x for FAN

Press 2x for FAN & HEATER

On Enable Green LED

Fan On Yellow LED

Fan & Heater Red LED

Press GEAR for 3:00 preset

Press HOSE for 10:00 preset

Sets Time to 3:00

Sets Time to 10:00

Press 1x to start cycle

Press 1x to stop cycle

Starts drying cycle

Stops drying cycle, sets me to 0:00

Hold to set custom me.

Press to switch between hr /

min

Tim e Blinks 0:__ or __:00

Press to increase or decrease

me

UP Arrow, increase value +1

Down Arrow, decrease value - 1

PREPARING EQUIPMENT (PPE, HOSE AND OTHER GEAR)

The proper decontaminaon of PPE equipment (aka bunker gear, turnout gear, re protecon gear)

requires the use of an NFPA 1851 compliant extractor which has been properly congured. This includes

disassembly of the gear, pre-treatment if required and a cleaning cycle with a spin speed of less than

100g, maximum 105F water and NPFA compliant cleaning chemicals.

Informaon on Circul-Air Corp’s complete line of Express and Heavy Duty extractors, recommended

Citro-Squeeze and SC-14 cleaning chemicals can be obtained at www.circul-air-corp.com, sales@circul-

air-corp.com or by contacng your local distributor of Circul-Air products.

Equipment that has been processed correctly should be disassembled into its base components, liners

and shells. Typical drying mes of shells components will be 1.25 – 2 hrs. Drying mes of lines can vary

between manufacturers, however this should take between 3-3.5 hrs for standard products and 3.5 – 4.5

hrs for heavier fabrics and quilng.

Each cabinet has a rigid aluminum bar to support the gear, ensuring

that the gear can be evenly distributed in the cabinet. Excessively

loading the cabinet will increase dry me.

Boots can also be dried in the small cabinets by inserng them tops

down in the supplied wire shelves. (Not applicable for 6XL cabinet).

Helmet holders are available for placing helmets on the grid.

Hoods, gloves and other loose equipment can also be spread on

the grids to aid in drying when the hangers are not appropriate.

Hose with diameters up to 5” can be dried in the cabinet. Ensure that the

water inside has been drained and then loosely spool the hose on the

provided shelves, allowing room for air to pass through the coils. Hose

will typically take between 10-12 hrs to dry in normal operang

condions. Informaon on Circul-Air Corp’s Roto-Jet hose washers is

available to aid in pre-cleaning hoses from 1-3/4 – 5” diameter can be

obtained at www.circul-air-corp.com, sales@circul-air-corp.com or by

contacng your local distributor of Circul-Air products.

PPE-2 Troubleshoong

No Heat / Low Heat

Does the temperature rise in 5-10

min when in heat mode, empty.

No rise - verify contactor is pulling

in, check the snap disc connuity.

Some rise - one or more element

may have failed. Compare ohm

reading with value on element.

No Control Panel Display

Will the panel come on with mode

buon held for 3-5 seconds?

No - remove front mer and check

le breaker for amperage trip.

Yes, but promptly turns o when

cycle started

Short in onboard component - call

service

No Fan

Does unit start and then stop?

Check for obstrucon in fan blades

Does the unit fail to start?

Remove front mer and check right

breaker for amperage trip.

Is the panel damaged or worn

Inspect for buon resistance, call

service

Long Dry Time

Conrm the clothing is properly

separated and extractor is

funconing correctly.

Ensure gear is separated, not

excessively loaded and hung

properly.

Is the operang condion close to

sea level or high humidity, low

temp?

Trim the outlet cover by restricng

25% of outlet and retesng.

Is the plenum (oor plate) installed

and unobstructed?

Verify to ensure proper airow

through boom of cabinet.

Is the outlet ducted or have a safety

cover?

Lack of back pressure can increase

dry me.

PPE-4, PPE-6, PPE-6XL

240V – Breaker 1 or 2 tripped

Is the trip instantaneous or

intermient?

Intermient - shared circuit drawing

down voltage, tripping amperage

on 240/120 transformer.

Instantaneous – 240 Leg to staon

dropped or failing.

Instantaneous – 208 supply to 240

panel. Check if leg 1 = 120V or

240V. Should be 240.

240V or 208V breaker 3 tripped

Is the breaker next to Terminal 6

tripped? No power to control panel.

Incorrect # of wires for 208 system

– call service for opons.

Intermient Overload – check for

other equipment on dedicated

circuit.

Shortage – check for loose wires in

panel.

Electrical surge - lightning strikes,

grid surges or drops can cause this

breaker to protect equipment.

Reset.

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