Carel heaterSteam Specifications

Add to My manuals
52 Pages

advertisement

Carel heaterSteam Specifications | Manualzz

heaterSteam

Electric Element

Steam Humidifiers

Installation

& Maintenance

Manual

Read and Save these Instructions

CAREL

IMPORTANT WARNINGS

BEFORE INSTALLING OR HANDLING THIS HUMIDIFIER, PLEASE CAREFULLY READ AND FOLLOW THE

INSTRUCTIONS AND SAFETY STANDARDS DESCRIBED IN THIS MANUAL AND ILLUSTRATED BY THE

LABELS ON THE MACHINE.

This humidifier produces non-pressurized, steam by means of heating elements immersed in water inside the boiling tank (also called the cylinder); the steam produced can be used to humidify environments or industrial processes, using special distributors.

This humidifier may use any quality of the water including demineralized, but softened water must be avoided .

This humidifier is produced exclusively to directly humidify rooms or ducts, using a distribution system. It is suitable for this purpose as long as: installation, use and maintenance are carried out according to the instructions contained in this manual and on the labels applied internally and externally on the machine.

The condition of the environment and the power supply voltage must comply with the specified values.

All other uses or modifications made to the device which are not expressly authorized by the manufacturer are considered to be incorrect and void the warranty.

Liability for injury or damage caused by the incorrect use of the humidifier lies exclusively with the user.

Please note that this device utilizes powered electrical devices and hot surfaces. All service and/or maintenance operations must be performed by expert and qualified personnel who are aware of the necessary precautions and are capable of performing these operations correctly in accordance with the National Electrical

Code and local regulations. Local and national safety standards must be applied in all cases.

Disconnect the machine from the main power supply before accessing any internal parts.

Disposal of the humidifier:

The humidifier is made up of metallic and plastic parts. All parts must be disposed of according to the local standards on waste disposal.

Certification: the quality and safety of Carel Products are guaranteed by Carel’s ISO 9001certified design and production system, as well as , & certification.

WARNING: Your humidifier requires water to operate. Do NOT mount it above materials or machinery that could be damaged if a leak occurs. Carel assumes no responsibility for consequential or inconsequential damage as a result of any leaks.

Copyright © 2005 by Carel USA, LLC. All rights reserved.

2

Installation, Operation & Maintenance Manual

Table of Contents

How The heaterSteam Works ................................................................................................................................4

Opening The heaterSteam Cabinet........................................................................................................................5

1 Installing The HeaterSteam.................................................................................................................................5

1.1 Mount The Steam Humidifier .............................................................................................................................. 6

1.1.1 Sizes and Weights ....................................................................................................................................... 6

1.2 Connect Water Feed and Drain Plumbing.......................................................................................................... 7

1.2.1 Feed Water Quality ...................................................................................................................................... 7

1.2.2 Connect Water Feed .................................................................................................................................... 7

1.2.3 Connect Water Drain.................................................................................................................................... 8

1.3A Install Steam Distributor Pipes ......................................................................................................................... 9

1.3B Install the Ventilated Steam Distributor .......................................................................................................... 11

1.3B.1Positioning ................................................................................................................................................ 11

1.3B.2 Installation................................................................................................................................................ 11

1.4 Install Steam Hoses.......................................................................................................................................... 12

1.5 Connect Power Wiring ...................................................................................................................................... 13

Internal fuses....................................................................................................................................................... 13

1.6 Connect Control Wiring..................................................................................................................................... 14

1.6.1 Control Schemes........................................................................................................................................ 14

1.6.2 Controls Placement.................................................................................................................................... 15

1.6.3 Control Wiring ............................................................................................................................................ 15

1.6.4 Control Wiring for On/Off Operation .............................................................................................................. 16

1.6.5 Control Wiring for Modulation to External Signal ....................................................................................... 16

1.6.6 Control Wiring for Stand-Alone Modulation with Humidity Display ............................................................ 16

1.6.7 Alarm Contact ............................................................................................................................................ 17

1.6.8 Dehumidification Contact ........................................................................................................................... 17

1.6.9 Remote Terminal/Supervisor System ........................................................................................................ 17

2 Start Up And Check Out Of The heaterSteam Humidifier.................................................................................21

2.1 Startup Checklist............................................................................................................................................... 21

2.2 The Display....................................................................................................................................................... 21

2.3 Turning on the Humidifier ................................................................................................................................. 21

3 Operating the heaterSteam humidifier ..............................................................................................................22

3.1 Display/Set The Humidity Setpoint ................................................................................................................... 22

3.2 Display/Change Control Parameters ................................................................................................................ 22

3.3 Display/Change Configuration Parameters ...................................................................................................... 22

3.4 Control Parameters (“Px”) And Measured Values (“Dx”).................................................................................. 22

3.5 Configuration Parameters (“Ax”, “bx”) .............................................................................................................. 23

3.6 Serial and Remote Control Parameters (“Cx”) ................................................................................................. 24

3.7 Standard Configuration Settings....................................................................................................................... 26

3.8 Manual Draining................................................................................................................................................ 27

3.9 Resetting Factory Set Values (Default Values) ................................................................................................ 27

3.10 The Remote Control ....................................................................................................................................... 27

4 Maintaining Your heaterSteam Steam Humidifier .............................................................................................29

4.1 UR002 to UR010: Remove And Clean The Steam Cylinder ............................................................................ 29

4.2 UR027 to UR060: Clean Steam Canister ......................................................................................................... 30

4.3 Reset The Run Time Hour Counter.................................................................................................................. 30

5 Alarms and Trouble-Shooting............................................................................................................................31

5.1 Troubleshooting ................................................................................................................................................ 33

6 Spare Parts........................................................................................................................................................34

7 Wiring Diagrams ................................................................................................................................................40

7.1 Unit Wiring Diagrams........................................................................................................................................ 40

7.2 Heater Wiring Diagrams ................................................................................................................................... 45

8 Technical Specifications....................................................................................................................................47

8.1 Models .............................................................................................................................................................. 47

8.2 Electrical Specifications .................................................................................................................................... 47

8.3 Mechanical Specifications ................................................................................................................................ 48

8.4 Electronic Specifications................................................................................................................................... 48

8.5 Additional Technical Information....................................................................................................................... 49

3

CAREL

How The heaterSteam Works

Electric immersion resistance heaters are contained inside a stainless steel canister. When humidity is needed, the elements heat the water into steam. The heaterSteam is unique in that the heating elements are encased in Aluminum to permit them to operate dry without burning up. Special electronics even detect when maintenance is needed.

1. Klixon temperature sensor

2. Solid State Relay(s)

3. Motor

4. Fuses contactor

6. Power board

8. On/Off – Manual drain switch

9. Power

10. Power cable strain relief

11. Cooling fan

12. Controller

13. Drain valve

14. Fill Valve

15. Cylinder

16. Level floats

17. Locking lever

19. Drain pump

Operation:

On a call for humidity, the HeaterSteam humidifier first checks the incoming water conductivity, water level and then runs diagnostics. The heating elements are then energized, and if modulating, the SSRs are pulsed to control the steam output to match demand. Periodically, the humidifier will drain away part of the cylinder water and replace it with fresh water to dilute the minerals in the cylinder and extend the maintenance cycle. Full diagnostics monitor the incoming water conductivity, foaming action in the steam cylinder, heater operation and output, and water level.

Features:

• Automatic level control and draining by conductivity

• Overheat protection of heaters to prevent burn-out and predict maintenance prevention

System

4

Installation, Operation & Maintenance Manual

IMPORTANT: BEFORE beginning installation:

Check for shipping damage to cartons. Mark the shipping waybill accordingly.

Open cartons and check for any hidden damage. Mark the shipping waybill accordingly.

Check packing slip to insure all items have been received. Notify Carel immediately of any shortages or damaged parts. You must notify Carel within 5 working days of any shortages.

Your heaterSteam humidifier will consist of:

Steam humidifier unit

Steam distributor pipe(s) or Steam blower if ordered

Steam hose & condensate hose, hose clamps if ordered

Mounting bracket, mounting hardware and water fill quick connect fitting

Humidity sensors or controllers, if ordered

Opening The heaterSteam Cabinet

1. Turn the logo 90° to reveal the cabinet capture screw underneath;

2. Use a Phillips screwdriver to remove the capture screw;

3. Lift the cabinet cover up;

4. Pull it out off of the unit.

1 Installing The HeaterSteam

Mount the humidifier unit as close to the steam distributor pipe or ventilated distributor as possible to minimize condensate. Mount the humidifier unit below the steam distributor pipe or RDU whenever possible and NEVER more than 3 feet above. Insure that a slope can be maintained in the steam hoses. Avoid kinks, sags and sharp elbows in steam hoses which can trap condensate and cause problems.

Certain mounting clearances must be maintained to allow access for maintenance, and for steam discharge from a ventilated distributor.

Maximum length of rubber steam hose is 20 feet. Insulated copper tubing to 40 feet. Additional clearances are needed when the blower unit is used:

5

CAREL

1.1 Mount The Steam Humidifier

The HeaterSteam unit is designed to mount to the wall or it can be placed on a floor stand (supplied by installer). The mounting structure must be able to support the operating weight shown in the following table.

A

1.1.1 Sizes and Weights

A. Width – in.

B. Depth – in.

C. Height – in.

UNIT MODEL NUMBER

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

14.4 14.4 14.4 14.4 27.2 27.2 27.2 34.5

10.8 10.8 10.8 10.8 17.2 17.2 17.2 17.2

24.4 24.4 28 28 34.9 34.9 34.9 34.9

Ship Wt. – Lbs.

Oper. Wt. – Lbs.

Remove the wall mounting bracket from the back of the humidifier.

Drill holes in the wall or structure to accept screws, bolts or lag shields.

Drilling template dimensions:

X (in.)

Y (in.)

Z (in.)

Z (in.)

UR002

UR004

UR006

UR010

UR020

UR027

UR040

UR060

8.7 8.7 19.5 26.9

19.7 23.3 29.2 29.2

C

B

Attach the mounting bracket to the wall using screws, bolts or lag bolts. Make sure the bracket is level. The humidifier comes complete with plastic lag shields and screws for masonry wall mounting only.

Hang the humidifier on the bracket and attach the humidifier to the wall using the hole on the back part of the case, easily accessible from the bottom. Confirm that the humidifier is level and plumb, and that necessary clearances have been maintained.

6

Installation, Operation & Maintenance Manual

1.2 Connect Water Feed and Drain Plumbing

1.2.1 Feed Water Quality

The supply water to the humidifier must be potable raw or demineralized water and must not be corrosive, or contain contaminates that can produce odors. Softened water should NOT be used as it is corrosive to the aluminum heating elements. Generally, the following limits apply to the feed water:

Conductivity at 20°C

Total dissolved solids (TDS)

Fixed residual at 180°C

Hydrogen activity

MicroMhos mg/l mg/l

1

1

1

6

1500

1000

1000

8.5

Total hardness

Temporary hardness mg/l CaCO

3 mg/l CaCO

3

0 400

0 300

Iron + Manganese mg/l Fe+Mn = 0.2

Residual Chlorine

Calcium sulphate

Metallic impurities

Solvents, dilutents, detergents, lubricants mg/l Cl- mg/l CaSO

4 mg/l mg/l

= 0.2

= 100

0 0

0 0

1.2.2 Connect Water Feed

Connect the water feed (and drain) per the following sketch. The filter is optional, but recommended.

The feed water lines must be sized to supply water in the pressure and quantity required by the following table.

As a rule, the water feed line should be 1/2” to within 3 feet of the unit, then reduced to 1/4” or 3/8” as shown.

UNIT MODEL NUMBER

Feed Water

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

15 – 150 psi, <= 24 grains (418 ppm) hardness

Instant Maximum

Feed Water Flow

0.20 gpm 0.30 gpm 1.1 gpm 2.6 gpm

Feed Water

Attachment

1/4" O.D. Comp. 3/8" O.D. Comp.

7

CAREL

Water feed and drain connections are on the bottom of the humidifiers: 1=feed, 2&3=drain:

The water feed connection is a 3/4” MPS male connection on the bottom of the humidifier. Carel supplies a plastic adapter that screws onto the fill fitting and gives a 1/4” or 3/8” OD compression fitting for plastic or copper tubing.

Since there is a strainer built into the bottom of the fill valve fitting, you should use only the plastic adapter supplied as it is easily removable for maintenance.

A 1 1/2” air gap is built into the unit to pass all UL and local codes regarding backflow prevention.

WARNING: The plastic fill fitting should be hand tightened only. A wrench may be used on the compression fitting BEFORE connecting it to the unit.

We recommend using a 5 micron water filter on the water feed line to prevent sediment from entering the unit.

1.2.3 Connect Water Drain

The drain line can be 1-1/2” schedule 40 CPVC, 1-1/2” copper, or 1-1/2” Polypropylene. In all cases, the drain tube is slipped over the drain outlet on the bottom of the humidifier. It is not glued or otherwise attached to the humidifier, so it must be supported by itself.

If 1-1/4” schedule 40 CPVC is used, then a coupling should be used between the drain line and unit drain.

WARNING: Drain water can be up to 212°F.

WARNING: Do NOT use PVC piping unless the unit has the optional drain tempering valve installed.

The drain flow rates are listed in the following table:

UNIT MODEL NUMBER

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

Instant Maximum

Drain Water Flow

1.3 gpm 6 gpm

Drain Water

Attachment

1 -1/2”

Do not restrict the drain line in any way. The drain water must flow freely by gravity to an open drain.

NOTE: The drain line MUST be trapped just below or after the unit to prevent backflow of flash steam into the cabinet, which could short electrical components.

8

Installation, Operation & Maintenance Manual

1.3A Install Steam Distributor Pipes

NOTE: If the ventilated steam distributor is to be used, then go to section 4B.

Each unit has either a 1-1/4” (30 mm) diameter outlet or 1-5/8” (40 mm) diameter outlets. The model UR060 has 2 outlets. The duct distributors and steam hose must be matched in size to the diameter of the steam outlets for the units:

UNIT MODEL NUMBER

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

Steam Outlets 1-1/4" (30mm) 1-5/8" (40mm)

1-5/8"

(40mm) x 2

Duct steam distributors must also be matched to the duct size they will be inserted into:

Humidifier Steam Outlets, mm 30

Quantity Per Unit

40 2x40

Humidifier Steam Outlets, inches 1-1/4 1-5/8 2x1-5/8

Ordering

Code

30 mm Duct Distributors:

Description

40 mm Duct Distributors:

1

1

1

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

9

CAREL

Distributor pipes should be mounted per the diagrams shown below, with a minimum of 6” from the center of the distributor pipe to the top of the duct and 3” minimum to the bottom.

In vertical flow ducts, the maximum downflow velocity is 1000 fpm. Then a baffle must be used to force the air flow around the distributor.

To install the distributor pipes:

1. Cut a key shaped hole in the side of the duct to match the steam pipe and condensate return.

2. Apply silicone sealant to the mounting plate and insert the pipe through the hole and secure it with 4 sheet metal screws.

3. Connect the steam and condensate hoses using the hose clamps supplied.

4. Make sure that the distributor pipe maintains the built-in pitch (that the mounting plate is vertically plumb).

5. End supports are provided on the larger distributors.

IMPORTANT: Allow 2 feet of straight duct downstream of the distributor pipes when the air temperature will be >55oF. Allow 3 feet of straight duct if the air temperature will be <50oF. Always allow 2 feet upstream. Turbulent air flow may require longer lengths.

10

Installation, Operation & Maintenance Manual

1.3B Install the Ventilated Steam Distributor

The following are general rules. You should also consult the manual for the specific ventilated steam distributor being used.

1.3B.1Positioning

The ventilated distributor may be fitted to the top of the humidifier or alternatively there is a bottom mounting plate that allows for remote mounting, connected to the humidifier by steam hose. In both cases, the following rules should be followed.

1. Observe the rules in section 1.4 for running the steam hose;

2. The length of the steam pipe from the humidifier to the RDU must be less than 20 feet (4m);

3. Observe the rules for clearances shown in section 1.

1.3B.2 Installation

1. Remove cap A from the top of the humidifier;

2. Remove the front cover of the humidifier;

3. Open hole B located on the top of the humidifier;

4. Remove the protective guard from the ventilated distributor (see the Ventilated Steam Distributor

Manual);

5. Connect one end of the steam hose to the distributor inlet and fasten it using one of the clamps supplied;

6. Connect the condensate drain hose to the special fitting inside the distributor;

7. Place the ventilated steam distributor on top of the humidifier, inserting the steam hose into hole A and connecting the condensate drain pipe to fitting G;

8. Cut the steam hose supplied to length so that it fits over the steam cylinder outlet;

9. Using the 2 nd

clamp supplied, fasten the steam hoses to the steam outlet on the humidifier cylinder;

10. Connect the power and ground cables from

C

A

G inside the humidifier to the distributor, passing them through hole B;

11. Fasten the distributor to the top of the humidifier using the two self-threading plastic screws, placed in holes C;

12. Replace the protective guard on the ventilated distributor (see the Ventilated Steam Distributor Manual) and the front cover on the humidifier.

B

11

CAREL

1.4 Install Steam Hoses

NINETY PERCENT (90%) OF ALL OPERATION PROBLEMS ARE CREATED BY IMPROPER STEAM

PIPING FROM THE HUMIDIFIER UNIT TO THE DUCT DISTRIBUTOR PIPES.

To avoid these problems, remember one simple fact when running the steam hose: steam naturally flows up hill, and condensate naturally flows down hill. Nothing must impede the free flow of either steam to the distributor pipes or condensate back to the heaterSteam unit or the drain. Run the steam hose or piping to avoid any kinks, sharp elbows, or low spots that could collect or restrict the flow of steam to the distributor pipe, or the flow of condensate back to the humidifier. Support the hose adequately to avoid sags.

The following diagrams are to provide you with some guidelines. If you have a situation you are unsure of, please contact the factory for instructions.

IMPORTANT: Maximum length of rubber steam hose is 20 feet. Insulated copper tubing may be up to 40 feet. In all cases, minimize sharp bends and elbows – use 2-45° elbows instead of 90°s.

Hose size for UR 002, 004, 006, & 010 = 1 1/4" I.D. (30 mm)

Hose size for UR 020, 027, 040 and 060 = 1 5/8” I.D. (40 mm). UR 060 requires 2 hoses and distributors.

12

Installation, Operation & Maintenance Manual

1.5 Connect Power Wiring

Before connecting any power supply, check the data label found inside the electrical compartment door and insure that the unit is configured for the electrical supply to be connected. If it does not match, do not connect power - call your Carel representative. On the bottom of all units are wiring holes that permit external wiring to enter the unit. Insert the power wires through these holes and secure the strain reliefs.

Inside the electrical compartment of the humidifier are power terminals marked N and L for single phase, and

L1, L2 and L3 for three phase units. A ground terminal is also provided. Connect power wiring to these terminals only. An external, fused disconnect should be provided according to local and national electrical codes.

V UNIT MODEL NUMBER, CAPACITY, AMPERAGE, WATTAGE

FACTOR

Ph.

Lbs/hr

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

4.4 7.3 13.6

208 Kg/hr 6.22

1 Amps 7 11.8

Watts

Lbs/hr

1500 2500 4600

5.3 8.8 13.2

230 Kg/hr 2.4 4 6

1 Amps 7.8 13 19.6

Watts 1800 3000 4500

Lbs/hr

13.6 22 47.5 63.4

208 Kg/hr

3 Amps

Watts

12.8 20.8 45.1 60

4600 7500 16200 21600

13.2 22 43.3 58.1

Lbs/hr

230 Kg/hr

3 Amps

Watts

11.3 18.8 37.1 49.8

4500 7500 14700 19800

13.2 22 46.2 57.9 88.9 133.3

Lbs/hr

460 Kg/hr

3 Amps

Watts

5.7 9.4 19.7 24.7 38.1 57.1

4500 7500 15700 19700 30300 45500

13.2 22 43.1 57.2 88.2 132.2

Lbs/hr

575 Kg/hr

3 Amps 4.5 7.5 14.8 19.4 30.2 45.3

Watts 4500 7500 14600 19500 30000 45100

Allowed voltage tolerance: +-10% of rated voltage.

Internal fuses

Fuses 1, 2 transformer primary

Fuse 3 drain pump

Fuse 4 transformer secondary

Fuses F5, F6, F7 (208,230V)

Fuses F8, F9, F10 (208,230V)

Fuse Sizes for Models

UR002 UR004 UR006-1Ph. UR006-3Ph. UR010 UR020 UR027 UR040 UR060

1A, 10.3x38mm fast blow

0.5A, 10.3x38mm (460,575V) fast blow

1A, 10.3x38mm (208,230V) fast blow

1A, 10.3x38mm, fast blow

2.5A, 5x20 ceramic, slow blow

40A, J

40A, J

35A, J

50A, J

13

1.6 Connect Control Wiring

1.6.1 Control Schemes

Control type: ON/OFF

The humidifier can be controlled either by a mechanical humidistat (H) or by a remote voltage-free contact (CR) or by a combination of the two options. The control system can also be connected to an RS485 serial line using either a

CAREL remote display control panel (MT) or a remote supervisor.

Control type: MODULATING

The humidifier comes with a solid state relay which allows you to modulate its capacity from 0 up to 100%, depending on your application requirements.

There are four different control modes for the H type control models.

CR

R

H

CR

MT

DDC mode, using a signal from an external controller

Steam production is controlled by an external controller (R) which provides a modulating signal to the humidifier controller. The signal can be: 0-1Vdc;

0-10Vdc; 2-10Vdc; 0-20mAdc; 4-20mAdc.

DDC mode with high-limit humidity sensor

Steam production is controlled by an external controller, but a relative humidity sensor is connected to allow high-limit protection.

HT

CR

Stand-alone control with relative humidity sensor

MT

This configuration includes the use of an internal control connected to a humidity sensor (HT) which fully controls the humidifier depending on the level of humidity measured. The level of humidity is displayed on the controller, and set points and differential are entered on the keypad.

Stand-alone control with relative humidity sensor and a second sensor to limit the humidity of the supply air

This configuration includes an internal control connected to a humidity sensor (HT) which fully controls the humidifier depending on the level of humidity measured, but limits the steam output by the level of relative humidity measured by the supply duct sensor (CH).

HT

CR

CH

MT

MT

14

Installation, Operation & Maintenance Manual

1.6.2 Controls Placement

A typical humidifier control system includes a wall or return duct sensor or controller, a high limit duct humidistat, and an air proving switch. Placement of these devices is critical to proper operation of the overall system.

The return air RH sensor must always be located BEFORE any outside air intake, in order to insure accurate sensing of the air from the space. Alternatively, a room RH sensor or humidistat can be used. Room sensors should be located on an inside wall or post and should not be hit by any discharge air streams from ducts. In a

100% outside air system, the RH sensor may be placed in the supply duct, at least 10 feet down stream of the distributor pipe to act as both hi-limit and control.

The airflow switch must be positioned to accurately open on a loss of air flow, to prevent the humidifier from running when there is no air to absorb the moisture.

The hi-limit humidistat must be positioned far enough down stream of the steam distributor pipe(s) to prevent it from getting wet, but still allow it to accurately prevent over-humidification of the duct that could result in condensation.

1.6.3 Control Wiring

Control wiring to the heaterSteam is done directly to Terminal Block I on the UR control board located inside the electrical compartment.

The connection to these terminals is done according to the unit and mode of operation ordered and shipped from the factory.

Key:

1. Terminal block G (dehumidify contact);

2. Terminal block H (alarm contact);

3. Remote manual Drain command terminal block K;

4. Terminal block I (control signals);

5. Terminal block J (to remote terminal or supervisor system)

15

CAREL

1.6.4 Control Wiring for On/Off Operation

This control program is for On/Off operation in response to an external closed contact as from a humidistat or DDC relay.

Parameter A0=0

If the Hi-Limit and Airflow switches are not used, then place a jumper across terminals 7I and 8I. WARNING: connect an external dry contact to terminals 7I and 8I. Do not apply any voltage to these terminals. Max. 50 ohm resistance.

DO NOT apply voltage to any input in On/Off control.

1.6.5 Control Wiring for Modulation to External

Signal

This control program is designed to accept various modulating input signals: 0-10 Vdc, 2-10 Vdc, 0-20 mAdc, and 4-20 mAdc.

Parameter A0=1.

If the Hi-Limit and Airflow switches are not used, then place a jumper across terminals 7I and 8I. WARNING: connect an external dry contact to terminals 7I and 8I. Do not apply any voltage to these terminals. Max. 50 ohm resistance.

NOTE: The modulating signal must come from a controller or

DDC system, not a sensor. This control program follows the input signal, being off at low signal and full on at high signal.

1.6.6 Control Wiring for Stand-Alone Modulation with Humidity Display

This control program is designed to accept an input signal from a humidity sensor (not controller). Parameter A0=2. This input signal is then displayed on the controller as the relative humidity. Set point and differential are entered into the controller, making it stand-alone. To the right is the wiring for the ASWH10000 wall mount sensor and the ASDH10000 duct mount sensor.

This control program can also accept a second sensor (in this example shown as an ASDH10000 duct sensor), which acts as a high limit and will modulate the output down on approaching either the main set point or the high limit set point. Parameter A0=3. This is a very useful feature in VAV systems where the air flow can vary, and also in high precision applications where the on/off cycling of a high limit humidistat would be detrimental to precision.

If the Hi-Limit and Airflow switches are not used, then place a jumper across terminals 7I and 8I. WARNING: connect an external dry contact to terminals 7I and 8I. Do not apply any voltage to these terminals. Max. 50 ohm resistance.

16

Installation, Operation & Maintenance Manual

1.6.7 Alarm Contact

The controller also provides a SPDT relay contact for the remote indication of any alarm conditions. Connection to the alarm contact (max. voltage 250 Vac; max. capacity: 8A res. - 2A ind.) is made through the plug-in H terminal block, as shown at right. See Parameter b1 for setting N/O or N/C mode of relay.

1H

2H

3H

1.6.8 Dehumidification Contact

In the H Type control program, a SPST – N/O relay contact is available, which can be programmed to actuate an external dehumidifier. Connection to the dehumidifier contact (max. voltage 250 Vac; max. capacity: 8A res. - 2A ind.) is made through the plug-in G terminal block, as shown at right.

1G

2G

1.6.9 Remote Terminal/Supervisor System

1

J

2

J

3

J

4

J

The controller of the humidifier can be connected to an RS485 serial line as shown at right, to ultimately connect to:

a Carel control panel (see dedicated manual) to manage up to 4 humidifiers;

a remote supervisor system.

Maximum network distance = 1 mile.

24Vaux

L +

GND

L -

Data sheets of the controls commonly supplied by Carel USA with the HeaterSteam humidifier are following.

17

CAREL

ASWH / ASDH – ASDH / ASDC Wall – Duct Temperature/Humidity Sensors

Model Description

Humidity (0-1 VDC or 4-20 mADC)

NTC thermistor, 10 Kohm at 25°C (77°F)

(ASWC/ASDC only)

Accuracy: +- 0.25°C from 0 to 50°C (32 to 122°F)

ASWH100000 Wall Humidity sensor (replaces SHWOOP)

ASDH100000 Duct Humidity sensor (replaces SSDOMH00/1)

Humidity: Thin film capacitor

Temperature & Humidity (NTC temp, 0-1 VDC or 4-20 mADC humidity)

Linear 0-1 Vdc or 4-20 mAdc from 10 to 90%RH

Accuracy: +- 3%RH from 20 to 90%RH calibrated at 55%RH and 25°C (77°F)

ASWC111000 Wall Temp/hum sensor (replaces SWNTCTH0/1 & STHONTC0/1) +- 5%RH above 90%RH and below 20%RH

ASWC110000 Wall Temp/hum sensor (replaces STHOAP)

Temperature & Humidity (0-1 VDC or 4-20 Madc temp & humidity)

ASDC111000 Duct temp/hum sensor (replaces SDNTCTH0/1)

Response time: 60 seconds

Power:

12 to 24 Vac/dc or +12 to –12 Vdc

Housing: Wall: ABS with glassfiber fill

Certifications: Calibrated to NIST traceable humidity/temperature standard, CE Approved

ASDC110000 Duct temp/hum sensor (replaces SSDOMHT0/1)

18

Installation, Operation & Maintenance Manual

HC-101 and HC-201 Wall and Duct Humidistats

Mounting the HC-101 room humidistat: Mount the HC-101 humidistat to an inside wall or post in the area to be humidified. Position it so that no drafts from registers or outlets are blowing on it.

Be sure that it is not placed over a device that could generate heat or vapor ie: stove, machinery, cleaning vat. The unit has three wire leads, Orange, Brown and Red. Use the Orange and Brown leads for control operation. Use the

Orange and Red leads for hi-limit operation.

Mounting the HC-201 duct humidistat: Cut a hole in the side of the duct and mount the HC-201 humidistat to the duct, using the screws provided, at least 6 feet down stream of any live steam or mist. The unit has three wire leads, Orange, Brown and Red. Use the

Orange and Brown leads for hi-limit operation.

Wiring Diagram

Brown (N.O.)

Red (N.C.)

Brown makes on drop in humidity

Drop in R.H.

Orange

Common

TABLE 1. SPECIFICATIONS

Part

No.

Type Scale

Range

Diff.

%RH

%RH

HC-101 Wall 10 to 90 5

HC-201 Duct 15 to 95 5

Operating

Limits

°F

40 to 125

40 to 125

Shipping

& Storage

°F

-40 to 140

-40 to 140

Connection Cover

6" color coded leads

Coded screw terminals

Beige plastic

Metal

Dimensions

In.

4-3/8 x 2-7/8 x 1-5/8

4-3/4 x 6-1/2 x 2-1/4

TABLE 2. MAXIMUM ELECTRICAL RATINGS

Part No.

HC-101

HC-201

AC Volt

50/60 Hz Amps VA

24 - - 8 60

120 7.2 43.2 8 345

240 3.6 21.6 8 345

19

CAREL

PC-301 Air Proving Switch

Mounting the PC-301 air flow switch:

Mount the airflow switch in the supply or return duct using the screws supplied. Mount the device so that the diaphragm is in a vertical position as shown at right.

If the airflow switch is to be mounted on the return duct

(vacuum), then mount it in a vertical position by the small plate. Drill a 7/16" hole in the side of the duct and connect the supplied tubing to the low pressure tap on the airflow switch and then run it through the drilled hole in the duct. Put no more than 2" of tubing into the duct. Caulk around the tubing where it enters the duct. The high pressure tap is left open to atmosphere.

If the airflow switch is to be mounted to the supply duct

(pressure), then simply drill a 7/16 hole in the side of the duct, apply caulking to the large plate, and mount the device with the large plate to the duct and the high pressure tap/tubing mated the hole. The low pressure tap is left open to atmosphere.

MOUNTING DIAGRAMS

TABLE 1. MAXIMUM ELECTRICAL SWITCH RATINGS

Pilot Duty Non-

Amps Amps (VA) Inductive

24V -

120V 6.25

-

37.5

60

300

240V 3.1 18.6 300

Amps

10

10

10

277V 2.7 16.2 300 10

WIRING DIAGRAM

Common

N.O. makes on increase in pressure.

N.O.

N.C.

Increase

Pressure

20

Installation, Operation & Maintenance Manual

2 Start Up And Check Out Of The heaterSteam Humidifier

2.1 Startup Checklist

1. Water feed and drain lines are connected properly. Fittings are tight.

2. All power connections, including internal ones, are correct and tight.

3. Wires to the electric elements on top of the cylinder are tight.

4. Steam and condensate hoses are properly installed and supported to prevent sags.

5. Sensors and limits are connected per the instructions.

6. Airflow switch (if used) is set to close on air flow and open on air flow loss.

7. Hi-limit duct humidistat is set to open on humidity rise and is set for 80 to 85%RH.

2.2 The Display

1 PRG and Reset button: accesses parameters and resets alarms;

2 SEL button: selects parameters and displays set point;

3 UP button: increases values or scrolls to next parameter;

4 DOWN button: decreases values or scrolls to previous parameter;

5 2-1/2 digit numeric display for values and codes;

6 LED indicating decimal point;

7 LED indicating value times 1000;

8 LED indicating dehumidify mode;

9 LED indicating alarms;

10 LED indicating steam production;

11 LED indicating fill function;

12 LED indicating drain function.

Numeric values from 200 to 255 are displayed with the symbol | in place of the one hundreds digit.

2.3 Turning on the Humidifier

Check that the voltage supply is correct then close the disconnect switch on the power supply to the humidifier (supplied by other), turn on the unit with the switch on the right lower frame of the humidifier as indicated in the picture at right. The start-up procedure includes an initial phase, selftest phase, and the operating phase. Depending on the control model of the humidifier, the start-up procedure will be shown by the indication

LEDs as described below.

H type controller

1. POWER SUPPLY 2. STARTING STEP 3. OPERATING STEP

O N

During this phase, lasting about 1 second, all LEDs will be powered.

During this phase the self-test is running. This phase lasts about 4 seconds.

The self-test can be bypassed by pressing and holding the SEL button until “-nt” appears in the

The humidifier is ready to work and the control indicates: steam output in the DDC control mode; the measure of the main sensor in the stand-alone mode; if the remote contact is open, the three dashes will be alternately displayed. display.

In the event of alarm, the LED near 'ALARM' will turn on and the corresponding alarm code will be displayed.

21

3 Operating the heaterSteam humidifier

3.1 Display/Set The Humidity Setpoint

• Pressing SEL will first show the rH and value;

• Hold down SEL for about 2 seconds until "St" appears in the display;

• When you release the button, the display will show the unit of measure of the set-point for 1 second and, after that, its current value;

• To modify the set-point, press the UP and DOWN buttons until you reach the desired value;

• Press SEL or PRG to confirm the displayed value and exit the set-point programming procedure.

NOTE: Pressing UP at any time displays the control sensor value. Pressing DOWN displays he hi-limit value.

3.2 Display/Change Control Parameters

• Press and hold the PRG (1) button for 5 seconds until P0 is displayed;

• Press UP (2) to continue through the parameter list (P, d parameters) in order. Press DOWN (2) to reverse through the parameter list.

• To modify any parameter, press SEL. The unit will display for 1 second, followed by the value;

• Press UP or DOWN to increase or decrease the valve;

• Press SEL when done to lock in the new value;

• Press UP or DOWN to continue through the parameters if desired;

• Press PRG when done to lock in all changes and exit programming mode.

3.3 Display/Change Configuration Parameters

• Press and hold the PRG and SEL buttons (1) simultaneously (or press the middle between the two buttons) for at least 5 seconds until “00” is displayed;

• Press UP and DOWN to enter “77”, followed by SEL, after which “A0” will be displayed;

• Press UP (2) to continue through the parameter list (A, b, C, d parameters) in order. Press DOWN (2) to reverse through the parameter list.

• To modify any parameter, press SEL. The unit will display for 1 second, followed by the value;

• Press UP or DOWN to increase or decrease the valve;

• Press SEL when done to lock in the new value;

• Press UP or DOWN to continue through the parameters if desired;

• Press PRG when done to lock in all changes and exit programming mode.

3.4 Control Parameters (“Px”) And Measured Values (“Dx”)

Code Range Default Unit Description

Control Parameters

P0 10 to 100 100 % maximum output

Notes if modulation is disabled (b0=0), the output is always at 100% regarless of

P0

P1 2.0 to 19.9 5.0

P2

P3

P4

P5

(P3) to 100

0 to (P2)

0 to 100

2 to 100

100

0

5

10

%RH proportional band

%RH

%RH high humidity alarm set point low humidity alarm set point minutes alarm delay

%RH dehumidify dead zone can only be accessed in stand-alone mode (A0=2 or 3) can only be accessed with dehumidify function enabled (b1=2 or 3)

22

Installation, Operation & Maintenance Manual

Code Range Default Unit Description

P6 2.0 to 19.9 5.0 %RH dehumidify differential

Notes

P7 (St) to 100 100 %RH hi-limit sensor set point can only be accessed in stand-alone mode with outlet probe (A0=3)

P8

P9

2.0 to 19.9

0 to 100

5.0

100

%RH

%RH hi-limit sensor proportional band hi-limit humidity alarm set point

Display Parameters d1 d2 d3 d4 d5 d6 d9

0 to 100 display only

0 to 100

0.0 to 199

0 to 19900

0 to 1500

0 to 100

0.0 to 199

%

%RH

%RH external signal

%RH reading from sensor

%RH reading from hi-limit sensor can only be accessed in proportional or stand-alone mode (A0=1, 2 or 3) kg/h steam output h run time hour counter mS/cm water conductivity can only be accessed in stand-alone mode with hi-limit sensor (A0=3)

°C water temperature can only be accessed with preheat function enabled (b1=1 or 3) kg/h rated steam capacity

3.5 Configuration Parameters (“Ax”, “bx”)

Notes

Standard Configuration Parameters

A0

A1

A2

A3

A4

A5

0 to 3

0, 1

0 to 4

0 to (A4)

(A3) to 255

-10.0 to 10.0

2

0

0

0

100

0

%RH

%RH

%RH operating mode unit of measure control sensor signal type (only in proportional or stand-alone mode

(A0=1, 2 or 3) control sensor minimum signal control sensor maximum signal control sensor calibration

0= On/Off

1= proportional to external signal

2= stand-alone with control sensor

3= stand-alone with control and hi-limit sensors

0= °C, kg/h

1= °F, lbs/hr

0= 0 to 1 Vdc

1= 0 to 10 Vdc

2= 2 to 10 Vdc

3= 0 to 20 mAdc

4= 4 to 20 mAdc

A6 0 to 4 0 %RH hi-limit sensor signal type (only in stand-alone with hilmit mode (A0=3)

0= 0 to 1 Vdc

1= 0 to 10 Vdc

2= 2 to 10 Vdc

3= 0 to 20 mAdc

4= 4 to 20 mAdc

A7

A8

A9

0 to (A8)

(A7) to 100

-10.0 to 10.0

0

100

0

%RH

%RH

%RH hi-limit sensor minimum hi-limit sensor maximum hi-limit sensor calibration

23

CAREL

Notes

Accessory Device Configuration Parameters b0 0 to 199 ** s period of modulation if set to 0, modulation is disabled b1 0 to 3 0 special functions

(only when A0= 1,

2 or 3) Total up the functions to arrive at parameter setting.

0= no function

+1= preheat stand-by

+2 = dehumidification

+4 = disables CL maint. alarm

+8 = reverses alarm relay to N/C

+16 = disables inactivity drain

+32 = disables autotest b2 2 to 19.9 3.0

%

%RH preheat start offset b3 b4 b5 b6 b7 b8 b9

70 to 90

0 to 2000

0 to 2000

0 to 2000

0 to 100

1 to 50

0 to 100

80

0

1250 mS/cm

1500 mS/cm

50

Factory

Set

0

°C mS/cm

% minutes preheat temperature supply water conductivity conductivity prealarm set point conductivity alarm set point anti-foaming control detection set point

No. of cycles between drains minimum time to go from 0 to 100% steam output

0= use sensor value; otherwise, entered value is used

0= anti-foam control disabled used to force a specific number of boil cycles before drain cycles are allowed bA 20 to 100 100 % fill duration reducing this value can provide more precision, but more wear on the fill valve bb bC

-19.9 to 19.9

1 to 199

0

3

% days offset to steam output display value days of inactivity to trigger automatic drain down bD bE

0 to 190

5 to 199

100

199

% s dilution rate

PWM fill mode b1 must be set to +4 of normal value.

“idr” is displayed if unit drains for inactivity.

0= no draining (Warning: use only with demineralized water).

<100= reduced drain rate for higher precision, but could lead to more foaming and maintenance.

>100 = increased drain rate for hard water.

<199= sets time maximum for each fill operation to improve precision.

3.6 Serial and Remote Control Parameters (“Cx”)

Notes

Serial and Remote Control Parameters

C0 1 to 6 1 default display value

1= control sensor

2= hi-limit sensor

3= steam output level

4= run time hours

5= water conductivity

6= water temperature

24

Installation, Operation & Maintenance Manual

Description Notes

C1

C2

C3

C4

C5

C6

C7

0 to 4

0 to 99

0 to 199

0 to 3

0 to 11

0 to 199

0 to 3

4

0

1

3

0

0

0 enable keypad and remote control

Keypad: Remote control:

0= K: read all parameters, modify C1

R: read/modify P, d and St

1= K: read and modify all parameters

R: read/modify P, d and St

2= K: read all parameters, modify C1

R: read P, d and St

3= K: read and modify all parameters

R: read P, d and St

4= K: read and modify all parameters

R: read/modify all code for enabling remote control serial address baud rate

0= 1200

1= 2400

2= 4800

3= 9600 bits, parity, stop bits

0= 8,N,2 6= 7,N,2

1= 8,N,1 7= 7,N,1

2= 8,E,2 8= 7,E,2

3= 8,E,1 9= 7,E,1

4= 8,O,2 10= 7,O,2

5= 8,O,1 11= 7,O,1 ms serial reply send delay graphic germinal configuration

0= standard terminal

1= terminal with On/Off command

2= terminal with On/Off and control sensor

3= terminal with On/Off and hi-limit sensor

25

3.7 Standard Configuration Settings

C4

C5

C6

C7 d1 d2 d3 d4 d5 b4 b5 b6 b7 b9

C0

C1

C2

C3

A5

A6

A7

A8

A9 b0 b1 b2 b3

CODE

A0

A1

A2

A3

A4 d9

P1

P2

P3

P4

P5

P6

P7

P8

P9

ST

DDC DDC STAND ALONE

0-10 vdc 4-20ma ON / OFF STAND ALONE WITH HIGH LIMIT

1 1 0 2 3

1 1 1 1 1

1 4 N/A 0 0

N/A N/A N/A 0 0

N/A N/A N/A 100 100

N/A N/A N/A 0 0

N/A N/A N/A N/A 0

N/A N/A N/A N/A 0

N/A N/A N/A N/A 100

N/A N/A N/A N/A 0

20 20 0 10 10

0 0 0 0 0

N/A N/A N/A N/A N/A

N/A N/A N/A N/A N/A

0 0 0 0 0

1ֹ2 (1200) 1ֹ2 (1200) 1ֹ2 (1200) 1ֹ2 (1200) 1ֹ2 (1200)

2ֹ0 (2000) 2ֹ0 (2000) 2ֹ0 (2000) 2ֹ0 (2000) 2ֹ0 (2000)

50 50 50 50 50

0 0 0 0 0

1 1 1 1 1

4 4 4 4 4

0 0 0 0 0

1 1 1 1 1

3 3 3 3 3

0 0 0 0 0

0 0 0 0 0

0 0 0 0 0

* * * * *

* * * * *

* * * * *

* * * * *

* * * * *

* * * * *

N/A N/A N/A 0 0

N/A N/A N/A 100 100

N/A N/A N/A 0 0

N/A N/A N/A 60 60

N/A N/A N/A N/A N/A

N/A N/A N/A N/A N/A

N/A N/A N/A N/A 0

N/A N/A N/A N/A 0

N/A N/A N/A N/A 0

N/A N/A N/A 50 50

26

Installation, Operation & Maintenance Manual

3.8 Manual Draining

The humidifier may be manually drained by pressing and holding the manual drain switch, which is right next to the On/Off switch on the side of the unit. Or, the unit may be set to a manual drain mode:

• turn off the unit from the On/Off switch on the side;

• turn the unit back On;

• within 5 seconds, press and hold the UP and DOWN buttons simultaneously until the drain valve or pump activates.

3.9 Resetting Factory Set Values (Default Values)

To automatically reset all values to factory set values in the control memory follow these instructions (Caution: resetting individual parameters per section 3.7 may be safer):

• turn the unit OFF;

• turn it ON again;

• press and hold the PRG button (2) within 5 seconds after turning on the unit: the three dashes will appear on the display; keep the button pressed and after about 5 seconds the upper dash (1) will blink, as indicated in the picture;

• release the PRG button within 3 seconds: all factory-set parameters will be restored. As confirmation, the display will show the symbols represented in the picture for 2 seconds.

• the operation is not carried out if you keep the PRG button pressed for more than 3 seconds, until the upper dash disappears.

3.10 The Remote Control

The remote control is optional and can be used only with type H or T modulating control humidifiers.

Its code is: TELUR*000, where * = E and identifies the English text version.

The remote control allows parameters to be displayed and modified using a more comprehensive keypad. When passwords are engaged, it is also possible to use the remote control as a master control.

Description and functions of the buttons

The buttons can be divided into three groups, according to their functions:

- buttons used to activate/deactivate the use of the remote control

- pre-programmed buttons used to modify the values of the main parameters

- buttons used to control the unit keypad via remote control

Buttons used to activate/deactivate the use of the remote control

These buttons enable/disable the use of the remote control unit. They also allow you to store any new parameter values.

BUTTON FUNCTION

START

PRG

Enables the use of the remote control

Ends the programming procedure and stores the new parameter values;

CANCEL Cancels possible modifications;

Numeric keypad Allows you to select the access code to parameters

(buttons from 0 to 9)

Buttons used to modify the main parameters (direct access buttons)

The most frequently used parameters are directly indicated on the remote control. They are grouped in three different colored zones according to their function. Each parameter, which can be modified, has two buttons: the one marked “+” allows you to increase the value, the one marked “–“ allows you to decrease the value.

The buttons without “+” or “–“ allow you only to display the value given to each parameter.

27

CAREL

Buttons used to control the instrument keypad via remote control

The green/blue section on the remote control allows you to:

BUTTON FUNCTION

PRG

SEL stores all modifications and ends the programming procedure; displays the unit of measure and the value of the selected parameter; confirms the modified value and displays the parameter; goes to the next parameter; increases the displayed value during the setting of the parameter values; goes to the previous parameter; decreases the displayed value during the setting of the parameter values;

Enabling the control when there is no identification code (single unit)

Press the START button to enable the use of the remote control, making sure you are not in the programming mode, the first accessible parameter appears. Whenever two figures are displayed, an operating code is necessary to modify the parameters.

Enabling the control when there IS an identification code (multiple units)

Press the START button to enable the use of the remote control, making sure you are not in the programming mode. All the humidifiers within the infra-red beam will display their own identification code. To modify the parameter values of any unit, use the numeric keypad on the remote control to enter the address of the unit you want to operate. If the code is correct, the first accessible parameter is displayed, and you can then modify it.

Activation and deactivation of the access code (C2 parameter)

It is possible to activate and deactivate the access code for the remote control by entering the Level 3 (77) password configuration mode. By giving the C2 parameter a value other than 0, the access code is activated; vice-versa, by giving the C2 parameter a value of 0, it is possible to use the remote control directly.

Main parameters modification

• press either the “+” or “–“ button of the parameter whose value is to be modified: the display will show the code of the selected parameter;

• press again the selected button to display its value;

• then press the “+” or “-“ button to increase or decrease the value. to display one of the sensor values, press the respective button twice

If you are not in the programming mode, the SEL (limited to the display of the unit of measure), PRG (limited to the alarm reset function) and display only buttons are always enabled.

Modification of parameters that do not have a specific button on the remote control

Follow the operations described in “Enabling the control when there is no identification code (single unit)”.

Press the or buttons until the display shows the parameter you want to modify. Press the SEL button to display the actual value of the parameter; then press again or to increase or decrease it. Press SEL to confirm the new value. To modify other parameters, repeat the same procedure.

To exit the programming mode

To exit the programming mode and save the parameter modifications, press the PRG button; press CANCEL to exit without saving the modifications.

28

Installation, Operation & Maintenance Manual

4 Maintaining Your heaterSteam Steam Humidifier

Although your heaterSteam humidifier is designed to take care of its normal operation, and even to provide you with diagnostic capability, good operation always means good maintenance. Periodic cleaning of the steam generating cylinder, and fill and drain valves is required as indicated by the controller. In H Type controllers, cleaning is indicated when the display shows “CL”.

Also, at the end of each humidification season, it is good practice to shut off the humidifier and manually drain the cylinder of water to reduce corrosion of the heating elements during the nonuse season. When shutting off the humidifier it is advisable not to empty the boiler before it is cooled. This prevents any mineral deposits from becoming hard to remove.

The UR002 to UR010 units have a round cylinder as per the sketch above left. The UR020 to UR060 units have a rectangular canister as per the sketch above right.

4.1 UR002 to UR010: Remove And Clean The Steam Cylinder

• Turn off the humidifier with the On/Off switch located on the side of the cabinet;

• Manually drain the humidifier using the manual drain switch on the side of the unit or per instructions in section 10.6.

• Turn off the external fused disconnect or circuit breaker to the unit;

• Remove the steam hose from the top of the steam cylinder;

• Remove the float assembly equalizer tubing from the top of the cylinder (1);

• Disconnect the sensor wire plug from the cylinder compartment wall (2);

• Remove the white plastic caps on top of the cylinder and disconnect the power wires from the top of the cylinder;

• Disconnect the cylinder ground wire (6);

• Unlatch the cylinder holding strap (3);

• Remove the cylinder by twisting and lifting up until the cylinder pulls out of the oring fitting of the drain manifold;

• Take the cylinder to an appropriate bench or sink and open it by removing the top cylinder lid clamp (3);

• Lift the lid and elements out of the steam cylinder (there is no need to disassemble the elements from the lid)

• Clean the heating elements by immersing them in a bucket of 5% phosphoric acid solution, or a 50% solution of Lime-A-Way or CLR; (DO NOT immerse the entire lid) (photo 4)

• After about 30 minutes, rinse the elements with clean water and gently wipe off any excess mineral using a damp, soft cloth. DO NOT use hard tools that can

29

CAREL damage the Teflon coating.

• Remove the plastic liner from inside the steam cylinder, empty it of any mineral and wipe it off with a damp, soft cloth;

• Wipe out the inside of the steam cylinder with a damp, soft cloth;

• Remove and clean the cylinder bottom strainer;

• Remove and clean the fill and drain valves in the same cleaning solution;

WARNING: When cleaning fill valve, do NOT poke or probe flow regulator with any object which may enlarge the orifice. The flow regulator must meter water flow precisely or shortened cylinder life may result.

• Remove and clean the fill valve inlet strainer (photo bottom left);

• Remove the float assembly and carefully disassemble it. Clean the inside of the float tube, the float tubing and the float itself using the cleaning solution;

• Reassemble the unit in reverse order and restart.

4.2 UR027 to UR060: Clean Steam Canister

• Turn off the humidifier with the On/Off switch located on the side of the cabinet;

• Manually drain the humidifier using the manual drain switch on the side of the unit or per instructions in section 10.6.

• Turn off the external fused disconnect or circuit breaker to the unit;

• Remove the steam hose (s) from the top of the steam canister;

• Remove the float assembly equalizer tubing from the top and bottom of the canister (1);

• Disconnect the sensor wire plug from the canister compartment wall (2);

• Remove the black plastic covers on top of the canister and disconnect the power wires from the top of the canister;

• Disconnect the canister ground wire (6);

• Remove the drain pump assembly (sketch at right);

• Remove the canister by sliding it out on the guide rails;

• Alternatively, the steam canister can be cleaned out through the drain pump hole rather than removing it;

• Take the canister to an appropriate bench or sink and open it by removing the top canister lid;

• Lift the lid and elements out of the steam canister (there is no need to disassemble the elements from the lid)

• Clean the heating elements by immersing them in a bucket of 5% phosphoric acid solution, or a 50% solution of Lime-A-Way or CLR; (DO NOT immerse the entire lid) (photo 4)

• After about 30 minutes, rinse the elements with clean water and gently wipe off any excess mineral using a damp, soft cloth. DO NOT use hard tools that can damage the Teflon coating.

• Wipe out the inside of the steam canister with a damp, soft cloth;

• Clean the drain pump assembly and strainer;

• Remove and clean the fill valve in the same cleaning solution; WARNING: When cleaning fill valve, do

NOT poke or probe flow regulator with any object which may enlarge the orifice. The flow regulator must meter water flow precisely or shortened cylinder life may result.

• Remove and clean the fill valve inlet strainer;

• Remove the float assembly and carefully disassemble it. Clean the inside of the float tube, the float tubing and the float itself using the cleaning solution;

• Reassemble the unit in reverse order and restart.

4.3 Reset The Run Time Hour Counter

• press and hold the PRG button for 5 seconds until “P0” is displayed;

• press UP or DOWN to reach parameter d4;

• press the SEL button to display the value;

• press the UP and DOWN button simultaneously for 5 seconds until the value resets to 0;

• press the SEL button to leave the parameter;

• PRG button to leave programming mode

30

Installation, Operation & Maintenance Manual

5 Alarms and Trouble-Shooting

When an alarm condition occurs:

• If not in the programming mode, a message is displayed identifying the type of alarm (see alarm codes table following). The message alternates with the normally displayed value.

• Depending on the type of alarm, the humidifier may shut down;

• Activation of the alarm relay depends on the type of alarm.

When the alarm condition clears, humidifier operation and the alarm relay may automatically or manually be reset, depending on the type of alarm. The alarm message must be manually cleared (except for alarms “Ec” and “CL”) by pressing the PRG/reset button. Some alarms may cause a total shut-down of the humidifier, in which case the power supply must be disconnected. If the humidifier is not powered, the alarm relay will be open, even if the alarm condition still exists. In case of the CL alarm (maintenance requested), the alarm can be reset only by setting the hour counter to zero, see “Resetting the runt time hour counter”.

The alarm “E1” may occur in two distinct situations:

1. Malfunction during the reading of the parameter memory (usually on start-up)

The default parameters are temporarily recalled without being stored in the parameter memory (the parameters can be accessed and restored to their correct values).

The recall of the default parameters is recommended.

2. Malfunction during writing to the parameter memory (usually on pressing the PRG button)

Any modifications entered are cancelled; the parameters can be accessed, the values modified again and the storing operation repeated.

DISPLAYED CODE

H and T control

Et

graphic terminal

E201

Safety thermostat shutdown

Not available

RELAY active

Er

EL

EC

EE

EP

E203

E204

E205

E211

E213

Element overheating

The probes in the heating plates have signalled excess heating. low level of water

High supply water conductivity

Self-test failed

There may be problems with the water supply, the water level control or the valves.

Power not available

With the unit activated, no steam production or water pre-heating is registered.

- Clean the cylinder and the water level switches, checking the state of the components.

- Check the electrical and hydraulic connections and that the unit is supplied correctly

- Replace the PTC sensors

Total shut down

- Turn the unit off and clean the cylinder. Total shut down

- Check that the unit is supplied with water.

- Turn the unit off and clean the cylinder and the water level control.

- Check that the fill valve screen is not clogged.

- Turn off the unit and clean the cylinder, as per the instructions.

- If the problem persists, add a suitable water filtering or treatment system.

DO NOT USE SOFTENED WATER

- Check that the unit is supplied with water.

- Turn the unit off and clean the water level control switches as indicated in the maintenance section.

- With the unit off, check that there are no bad connections or defective or broken electrical components.

Total shut down total shut down

Humidifier disabled

Humidifier disabled

Not available

Not available active active automatic active manual active manual active

EF E214 no water

- Check that the water supply line is open and that there is sufficient supply pressure.

- Check that that cylinder or the steam outlet pipe is not obstructed (bends or crimps).

- Check that there is not excessive backpressure in the steam pipe.

- Check the fill valve and screen for obstructions and electric power.

Signal only automatic active

31

CAREL

DISPLAYED CODE

H and T control

EA

EU

Ed

E ¯

E _

E =

E0

E1

E2

E3

E4

E5

CL

graphic terminal

E215

E221

E222

E224

E201

CAREL parameter error - Contact Carel’s service department.

RELAY excessive foam

Full cylinder, no demand

Faulty drain

High humidity

- Clean the cylinder and check that the steam supply pipe is not crimped along its path and that there are no obstructions or pockets of condensed water.

- Leaking fill valve

- Dirty high level / foam sensor

- Check/clean drain valve/pump

- Check the operation of the sensor and the limit set by parameter P2.

Low humidity - Check the operation of the sensor and the limit set by parameter P3.

High humidity in supply air - Check the operation of the sensor no. 2

Signal only

Signal only

Automatic active

Automatic Active

Signal only Automatic Active

Signal only Automatic active active

E212

E230

E220

E223

User parameter error

Hour counter error

Control sensor not connected

High limit sensor not connected

- Re-enter the set parameters or recall the default parameters

- Check for bad wiring connections

- Reset hour counter

See pg. 30, item 4.3

- Check the connection of the sensor or the setting of parameter A0 for configuration in ON - OFF

- Check the connection of the sensor or the setting of parameter A0.

Deenergized humidifier

CAREL

Reprogramming active

Parameter

Reprogramming idle Deactivatio n of the memory of the counter

Hourcounter manual reset

Deenergised humidifier

E225

E232

Pre -heating NTC probe not connected

Maintenance warning

- Check the effective pre-heating functioning and b1, b2 and b3 parameter set.

- Check the 5 pole terminal connections on the cylinder cover.

- Stop the unit and clean the steam cylinder, filter and water level switches.

Pre-heating deenergized signal only Hourcounter reset idle

32

5.1 Troubleshooting

PROBLEM CAUSE

The control does not switch on

1) No power present

2) Humidifier external switch open, position 0

SOLUTION

1) Check the external fuses or breakers.

2) Close the switch on the panel (position I)

3) Connectors not inserted properly

4) Blown fuses

5) The transformer is broken

3) Check that the wires are properly inserted in the terminal block

4) Check the fuses F1/F2

6) Check that the transformer voltage is 24 Vac at the secondary

The humidifier does not produce steam

The humidifier fills and drains continuously without producing steam

The electrical circuit differential switch is activated

1) On/Off local/remote contact open (lever on relay board/terminals 7I - 8I)

2) The regulator/humidity controller or external sensor are not connected properly

3) Broken sensor/humidistat

4) The configuration parameters have not been set correctly

1) Back-pressure during steam outlet

2) Broken water supply valve flow regulator

(possible leaks in the hydraulic circuit)

3) Defective water level control

4) Cylinder inlet filter blocked

5) Limestone scales in the fill tank

6) Broken drain valve

1) There is a leakage of current to ground from the water drain

2) There is a leakage of current to ground from the steam outlet

1) Check that the contacts On/Off are closed

(lever on relay board/terminals 7I - 8I)

2) Check the external connection

3) Check the external connection signal

4) Reset the parameters correctly (par. 11.2.11, page 34)

1) Check that the steam outlet valve is not

2) Replace the drain valve

3) Clean or replace the water level control if

4) Clean the filter

5) Clean the fill tank

6a) Check the presence of 24 Vac on drain valve

6b) Replace the drain valve

1) Check the seals and electrical connections of the humidifier

2) crimped or bent necessary

Check that the outlet/drain tubes are not metallic or made from conducting rubber

The mains overload switch is activated

The humidifier duct is wet

The floor below the humidifier is wet

The mains overload safety switch is rated too low

1) The distributor is not installed correctly

2) The system is over-sized

3) Humidification is on when the duct fan is off

1) The humidifier drain is blocked

2) The hydraulic circuit is over-full or has leaks

3) The condensation drain pipe does not feed into the filler tank

4) The steam outlet pipe is not properly attached to the cylinder

3) Check possible heater waste

Check that the mains overload switch is rated for at least one-and-a-half times the rated current of the humidifier

1) Check that the steam distributor has been installed correctly. (see par. 9.3, page 21)

2) Decrease the steam production on the humidifier control

3) Connect a trigger from the fan to terminals 7I -

8I of the On-Off remote (e.g. differential pressure switch or flow switch contact)

1) Clean the drain outlet in the bottom tank

2) Check the entire hydraulic circuit

3) Check the correct placement of the condensation drain pipe in the fill tank.

4) Check the tightening of the pipe clamp on the steam outlet

6 Spare Parts

UR 002, UR 004 Exploded Steam Cylinder / Parts

Spare Parts Codes

No. Description

3 PTC probe wire terminals

4 Terminal fastening bracket

61C479A070 61C479A070

13C453A121 13C453A121

2218010AXX

14C453A012

2218010AXX

14C453A012

5 Power connection protection cover 18C453A043 18C453A043

URKCOPC00S URKCOPC00S

7 PTC probe wire terminals 61C479A031 61C479A031

18C453A019 18C453A019

10 Cylinder cover locking clamp

11 cylinder

12 filter, ring nut and pipe union

208V 57C453A348 57C453A349

230V 57C453A348 57C453A349

14C453A020

14C453A089 14C453A089

UEKF000000

14C453A020

UEKF000000

URKG00000M URKG00000M

34

Installation, Operation & Maintenance Manual

UR 006, UR 010 Exploded Steam Cylinder / Parts

No.

1

3

5

Description

PTC probe wire terminals

Wire terminal bracket

Power connection cover

9 Heating elements w/Teflon:

Spare Parts Codes

UR006 - 1Ph.

2218010AXX

UR006 - 3Ph.

2218010AXX

UR010 - 3Ph.

2218010AXX

61C479A070 61C479A070 61C479A070

14C453A012 14C453A012 14C453A012

13C453A122 13C453A122 13C453A122

18C453A043 18C453A043 18C453A043

URKCOPC00M URKCOPC00M URKCOPC00M

61C453A031 61C453A031 61C453A031

18C453A019 18C453A019 18C453A019

11 Cylinder cover locking clamp

12 Cylinder

13C453A048 13C453A048 13C453A048

14C453A020 14C453A020 14C453A020

14C453A014 14C453A914 14C453A0134

13 Filter, ring nut and pipe union UEKF000000 UEKF000000 UEKF000000

URKG00000M URKG00000M URKG00000M

35

CAREL

UR 020, UR 027, UR 040, UR 060 Exploded Steam Cylinder / Parts

Spare Parts Codes

No. Description UR020 UR027

3 PTC probe wire terminals

61C479A162 61C479A162

2218008AXX 2218008AXX

14C528A152 14C479A152

13C483A004 13C481A004

-- --

13C479A153 13C479A153

6x 6x

208V 57C528A382 57C528A382

230V 57C528A381 57C528A382

400V 57C528A381 57C528A382

460V 57C528A386 57C528A381

10 Cylinder

575V 57C528A385 57C528A380 element 13C579A170 13C479A170

14C479A150 14C479A150

61C479A070 61C479A070

URKF0000XL URKF0000XL

13C479A154 13C479A154 fastening 14C479A155 14C479A155

KITPS0000 KITPS0000

Spare Parts Codes

No. Description UR040 UR060

3 PTC probe wire terminals

61C479A162 61C479A162

2218008AXX 2218008AXX

14C479A152 14C528A002

13C483A004 13C483A004

-- --

13C479A153 13C528A007

6x 9x

208V

230V

400V 57C528A387 57C528A387

460V 57C528A390 57C528A390

575V 57C528A389 57C528A389 element 13C479A170 13C479A170

10 Cylinder 14C479A151 14C528A001

61C479A070 61C479A070

URKF0000XL URKF0000XL

13C479A154 13C479A154 fastening 14C479A155 14C479A155

KITPS0000 KITPS0000

URKG0000XL URKG00XXL

36

Installation, Operation & Maintenance Manual

Other Plumbing Components

No. Description

1 Tank

Spare Parts Codes

UR002 to UR004 UR006 to UR010

18C453A008 18C453A008

URKT00000S URKT00000M

KITVC00006 KITVC00006

4b O-ring

URKSL000002 URKSL00002

6 A/D manifold (fill - drain)

13C453A124 13C453A124

URKT00000S URKT00000M

No. Description UR020

Spare parts codes

UR027 UR040 UR060

-- URKT0000XL URKT0000XL URKT0000XL

4b o-ring

-- KITPS00000 KITPS00000 KITPS00000

-- -- -- --

37

Models

Electrical parts: contactor:

208-230V

400 V

460 V

575 V power supply transformer:

230-400 V

200-208-460-575 V

200-208-460-575V fuse holder

460 V

208-230 V fan

Motor protector socket for pre-heater probe

UR002

0203000AXX

09C476A029

09C476A030

0606192AXX

1312543AXX

THP00A0000

13C453A121

UR004

0203000AXX

09C476A029

09C476A030

0606192AXX

1312543AXX

THP00A0000

13C453A121

UR006-1Ph. UR006-3Ph.

HeaterSteam Model

UR010 UR020 UR027 UR040 UR060

Plumbing Parts: humidifier gasket kit cylinder cover kit cylinder cover fast. bracket cylinder filter kit heater elements w/Teflon:

URKG00000M

URKCOPC00S

14C453A020

UEKF000000

208 V 57C453A348

230 V 57C453A348

460 V

575 V

URKG00000M

URKCOPC00S

14C453A020

UEKF000000

57C453A349

57C453A349

URKG00000M

URKCOPC00M

14C453A020

UEKF000000

57C453A347

57C453A320

URKG00000M

URKCOPC00M

14C453A020

UEKF000000

57C453A347

57C453A320

57C453A344

57C453A341

URKG00000M URKG0000XL URKG0000XL URKG0000XL URKG000XXL

URKCOPC00M

14C453A020

UEKF000000

57C453A346

57C453A322

57C453A347

57C453A342

-

-

URKF0000XL

57C528A382

57C528A381

57C528A386

57C528A385

-

-

URKF0000XL

57C528A383

57C528A382

57C528A381

57C528A380

-

-

URKF0000XL

-

-

57C528A390

57C528A389

-

-

URKF0000XL

-

-

57C528A390

57C528A389 cylinder fastening strap stainless steel cylinder fill cup drain valve kit drain pump kit

14C453A107

14C453A089

18C453A008

13C453A124

14C453A107

14C453A089

18C453A008

13C453A124

14C453A107

14C453A014

18C453A008

13C453A124

14C453A107

14C453A014

18C453A008

13C453A124

14C453A107

14C453A014

18C453A008

13C453A124

- - -

14C479A150 14C479A150 14C479A151

-

-

KITPS00000

-

-

KITPS00000

-

-

KITPS00000

-

14C528A001

-

-

KITPS00000 drain pipe kit fill valve kit internal pipe kit level control with sensor internal cylinder liner external insulation blanket

KITVC00006

URKT00000S

URKSL00002

13C453A085

16C453A054

KITVC00006

URKT00000S

URKSL00002

13C453A085

16C453A054

KITVC00012

URKT00000M

URKSL00002

13C453A035

16C453A024

KITVC00012

URKT00000M

URKSL00002

13C453A035

16C453A024

KITVC00012

URKT0000XL URKT0000XL URKT0000XL URKT0000XL

KITVC00040 KITVC00040 KITVC00040 KITVC00100

URKT00000M URKT0000XL URKT0000XL URKT000XXL URKT000XXL

URKSL00002 URKSL00001 URKSL00001 URKSL00001 URKSL00001

13C453A035

16C453A024

- - -

16C479A158 16C479A158 16C479A159

-

16C528A008

0203000AXX

09C476A029

09C476A030

0606192AXX

1312543AXX

THP00A0000

13C453A122

0203000AXX

0203000AXX

0203000AXX

0203000AXX

09C476A029

09C476A030

0606192AXX

1312543AXX

THP00A0000

13C453A122

0203000AXX

0203000AXX

0203000AXX

0203000AXX

09C476A029

09C476A030

0606192AXX

1312543AXX

THP00A0000

13C453A122

0203008AXX

0203001AXX

0203000AXX

0203000AXX

09C479A063

09C479A062

0606193AXX

1312541AXX

THP00A0000

13C479A056

0203008AXX

0203001AXX

0203001AXX

0203001AXX

09C479A063

09C479A062

0606193AXX

0606209AXX

1312541AXX

THP00A0000

0203001AXX

0203001AXX

0203001AXX

09C479A063

09C479A062

0606193AXX

1312541AXX

THP00A0000

0203007AXX

0203008AXX

0203007AXX

09C479A063

09C479A062

0606193AXX

0606209AXX

1312541AXX

THP00A0000

Installation, Operation & Maintenance Manual

Models UR002

Electronic Parts: version H control module version T control module main control board flat connection cable fan circuit breaker fan control board solid state relay:

PTC probe

NTC probe

URH0000000

URS0000000

URI0000000

59C460A003

6132702AXX

98C453CP68

208 V 0101002AXX

230 V 0101002AXX

400 V 0101002AXX

460 V 0101002AXX

575 V

61C453A031

61C479A070

UR004

URH0000000

URS0000000

URI0000000

59C460A003

6132702AXX

98C453CP68

0101002AXX

0101002AXX

0101002AXX

0101002AXX

61C453A031

61C479A070

UR006-1Ph.

URH0000000

URS0000000

URI0000000

59C460A003

6132702AXX

98C453CP68

0101003AXX

0101003AXX

61C453A031

61C479A070

UR006-3Ph.

HeaterSteam Model

UR010

URH0000000

URI0000000

59C460A003

6132702AXX

98C453CP68

0101002AXX

0101002AXX

0101002AXX

0101002AXX

0101003AXX

61C453A031

61C479A070

UR020 UR027 UR040 UR060

URH0000000 URH0000000 URH0000000 URH0000000 URH0000000

URI0000000

59C460A003

6132702AXX

98C453CP68

URI0000000 URI0000000 URI0000000

59C486A003 59C486A003 59C486A003

6132702AXX 6132702AXX 6132702AXX

URI0000000

59C486A003

6132702AXX

0101002AXX

0101002AXX

0101002AXX

0101002AXX

0101002AXX

61C453A031

61C479A070

0101005AXX 0101005AXX

0101005AXX 0101005AXX

0101005AXX 0101005AXX 0101005AXX

0101005AXX 0101005AXX 0101005AXX

0101005AXX 0101005AXX 0101005AXX

61C479A162 61C479A162 61C479A162

61C479A070 61C479A070 61C479A070

0101005AXX

0101005AXX

0101005AXX

61C479A162

61C479A070

39

7 Wiring Diagrams

7.1 Unit Wiring Diagrams

UR 002, 004 Single Phase H Type Control

Installation, Operation & Maintenance Manual

UR 006 Single Phase H Type Control

41

CAREL

UR 006, 010 Three Phase H Type Control

42

Installation, Operation & Maintenance Manual

UR 020, 027, 040 Three Phase H Type Control

43

CAREL

UR 060 Three Phase H Type Control

44

Installation, Operation & Maintenance Manual

7.2 Heater Wiring Diagrams

1 Ph. Connections (UR002, UR004) 1 Ph. Parallel Connections (UR006)

Delta 3 Ph. Connections (UR 006, 010) Star 3 Ph. Connections (UR 006, 010)

Delta 3 Ph. Connections (UR 020, 027 / 208-230V) Star 3 Ph. Conn. (UR 020, 027, 040 / 400-575V)

45

CAREL

Star 3 Ph. Connections (UR 060 / 460V) Star 3 Ph. Connections (UR 060 / 575V)

208/1

230/1

208/3

230/3

460/3

575/3

1 Ph.

1 Ph.

UNIT MODEL NUMBER, CYLINDER WIRING CONNECTIONS

1 Ph.

1 Ph.

1 Ph. Par.

1 Ph. Par.

Y Y

Y Y

Y Y Y Y Y Y

Y Y Y Y Y Y

46

Installation, Operation & Maintenance Manual

8 Technical Specifications

8.1 Models

Model Selection

UR 003 H U 1 01 U 0 0 from or D=230/1 chart Modulating W=208/3 above or K=230/3

DDC M=460/3

N=575/3

8.2 Electrical Specifications

01=all

0S=UR020

0=standard

B=direct mount blower

V UNIT MODEL NUMBER, CAPACITY, AMPERAGE, WATTAGE

FACTOR

Ph.

Lbs/hr

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

4.4 7.3 13.6

208 Kg/hr 2.0 3.3 6.22

1 Amps 7.0 11.8 22.2

Watts 1500 2500 4600

Lbs/hr

5.3 8.8 13.2

230 Kg/hr

2.4 4 6

1 Amps 7.8 13 19.6

Watts 1800 3000 4500

Lbs/hr 13.6 22 47.5 63.4

208 Kg/hr

3 Amps

Watts

Lbs/hr

12.8 20.8 45.1 60.0

4600 7500 16200 21600

13.2 22 43.3 58.1

230 Kg/hr

3 Amps

Watts

Lbs/hr

460 Kg/hr

11.3 18.8 37.1 49.8

4500 7500 14700 19800

13.2 22 46.2 57.9 88.9 133.3

3 Amps

Watts

Lbs/hr

575 Kg/hr

3 Amps

Watts

5.7 9.4 19.7 24.7 38.1 57.1

4500 7500 15700 19700 30300 45500

13.2 22 43.1 57.2 88.2 132.2

4.5 7.5 14.8 19.4 30.2 45.3

4500 7500 14600 19500 30000 45100

47

CAREL

8.3 Mechanical Specifications

Width – in.

Depth – in.

Height – in.

Ship Wt. – Lbs.

Oper. Wt. – Lbs.

No. Elements

Steam Outlets

Control Voltage

Ambient

Feed Water

Instant Maximum Feed

Water Flow

Feed Water Attachment

UR002 UR004 UR006 UR010 UR020 UR027 UR040 UR060

14.4 14.4 14.4 14.4 27.2 27.2 27.2 34.5

10.8 10.8 10.8 10.8 17.2 17.2 17.2 17.2

24.4 24.4 28 28 34.9 34.9 34.9 34.9

57 57 68 68 161 161 169 216

59 59 77 77 213 213 251 341

1 1 3 3 6 6 6 9

1-1/4" (30mm)

UNIT MODEL NUMBER

1-5/8" (40mm)

1-5/8"

(40mm) x 2

24 VAC 50/60 Hz

34 – 104 °F, 10 – 80 %RH non-condensing, up to 6” W.C. duct static pressure

15 – 150 psi, <= 24 grains (418 ppm) hardness

0.20 gpm 0.30 gpm 1.1 gpm 2.6 gpm

¼" O.D. Comp. 3/8" O.D. Comp.

Instant Maximum Drain

Water Flow

Drain Water

Attachment

1.3 gpm

1 -1/2” (40mm)

6 gpm

Room Distribution

Units

VSDUOA VRDXL

34 WATTS 35 Watts

50 dBa 40 dBA

103 CFM 380 CFM

8.4 Electronic Specifications

Item Specification

Control Power 24Vac /50-60Hz, 30VA

Sensor Input Impedence

Power For Active Sensors

60 kOhm for 0-1Vdc, 0-10Vdc, 2-10 Vdc

50 Ohm for 0-20mAdc, 4-20mAdc

24 Vdc (24 Vac rectified), Imax=250mA

12 Vdc 5%, Imax=50mA

Alarm and Dehumidify Relays 250 V, 8 Amp

Remote On/Off Input Use dry contact, max. resistance=50 Ohm

Serial Communications

Humidifier puts out 24 Vdc, Imax=5mA

2-wire RS485

48

Installation, Operation & Maintenance Manual

8.5 Additional Technical Information

8.5.1 Electronic Float Assembly

The new electronic level floats have 3 LEDs (red, yellow, green). When the water level is below working level, the red LED is on. When the unit is filling during operation, the yellow LED is on. When the unit is full and operating, the green LED is on.

8.5.2: Steam Baths

A special “T” version of the HumiControl is available which reads the input as a temperature sensor to control steam to a steam bath. With the T type control, all references to the control sensor refer instead to a temperature sensor and display.

8.5.3 Electronic Compartment

Parts are identified as:

1. Klixon temperature sensor

2. Solid State Relay

3. Cooling sink

49

CAREL

NOTES:

50

Installation, Operation & Maintenance Manual

NOTES:

51

CAREL

NOTES:

Limited Warranty

All products manufactured by Carel USA, LLC are warranted to the original purchaser to be free from defects in materials and workmanship in the course of normal and reasonable use for a period of 2 years and 1 month from the date of shipment (The OEM controls warranty is 2 years from date of manufacture), humidifier replacement parts warranty is 90 days from date of Invoice. Warranty replacement parts are warranted for remainder of original unit warranty or 90 days, whichever is longer, so long as the product has been installed and operated in accordance with all appropriate manuals and wiring diagrams, and started up by a qualified

Carel USA technician. Any product or part that is found to be defective will, at the option of Carel USA, LLC be replaced or repaired. Carel USA, LLC reserves the right to inspect any part or installation before replacing or repairing defective parts. After startup of the product, labor for repairs or replacement of parts is not covered by this warranty. Products not included in this warranty are NTC and PTC probes, transformers (TRA series), and routinely replaceable parts such as steam cylinders and gaskets. Carel USA, LLC assumes no liability for consequential or inconsequential damage, or damage due to negligence or improper use. Under the terms of this warranty, the original purchaser may have certain legal rights and other rights, which may vary from state to state. The Warranty will not be considered valid if a product is damaged due to negligence, mishandling or misapplication, or if the product label is missing. Carel USA will attempt to repair or replace the products within two (2) months of the receipt of the returned goods.

CAREL USA, LLC

385 S. Oak Street

Manheim, PA 17545

Form: +03U221759 Rev. 0.1

52

advertisement

Related manuals

advertisement