Nor-tec Se Series Manual de usuario

Nortec

SE-Series

Installation and

Operation Manual

Includes installation, operation,

maintenance, and troubleshooting

information for your indoor

Nortec SETC B+ and Nortec SEP

steam exchange humidifier

2552940-D | 23/11/2018

Important: Read and save these instructions. This guide to be left with equipment.

Thank you for choosing Condair.

Proprietary Notice

This document and the information disclosed herein are proprietary data of Condair LTD. Neither

this

document nor the information contained herein shall be reproduced used, or disclosed to others without

the

written authorization of Condair LTD., except to the extent required for installation or

maintenance of

recipient’s equipment. All references to the Condair name should be taken as referring to

Condair LTD.

Liability Notice

Condair does not accept any liability for installations of humidity equipment installed by unqualified personnel

the use of parts/components/equipment that are not authorized or approved by Condair.

SERIAL #

MODEL #

INSTALLATION DATE (MM/DD/YYYY)

Contents

Introduction

2Receiving and Unpacking

3Humidifier Components

5Nortec SETC/P Models

6Options and Accessories

Installation

10 Typical Humidifier Installation

11 Location

12 Mounting

14 Plumbing

15 Boiler Steam and Boiler

Condensate Return

17 Steam Lines and Condensate

Returns

22 Electrical

23 External Controls

32 Options and Accessories

Start Up

34 Installation Check

35 Nortec SETC User Interface

36 Start Up Procedure

37 Status Screens

39 Digital Controls

41 Start Up Checklists

Operation

44 Nortec SETC LED Status Lights

44 Nortec SEP LED Status Lights

45 How the Humidifier Works

49 Nortec SETC Humidifier Configuration

60 Nortec SEP Humidifier Configuration

Maintenance and

Servicing

64 Required Maintenance

65 Maintenance Schedule

69 Maintenance Shutdown and

Extended Shutdown

70 Maintenance Checklist

Troubleshooting

73 General Troubleshooting

76 Nortec SETC Warnings and Faults

82 SEP Faults

83 Wiring Diagrams

Spare Parts

Warranty

1 | Introduction

Introduction

CAUTION: Servicing

Disconnect main power before any servicing.

Shut off pressurized steam supply and ensure steam pressure is safely relieved

before any servicing of pressurized steam components.

The electrical compartment contains high voltage components and wiring. Access

should be limited to authorized personnel only.

During and following operation of the humidifier, the steam and components in

contact with the steam such as the tank, blower pack, steam lines, steam

distributors, and condensate lines can become hot and can burn if touched.

Condair does not accept any liability for installations of humidity equipment

installed by unqualified personnel or the use of parts/components/equipment

that are not authorized or approved by Condair.

CAUTION: Electrical

All electrical work should be done according to local electrical code.

Electrical connection to be performed by a licensed electrician.

CAUTION: Plumbing / Steam Lines

Plumbing to be performed by a licensed plumber.

Pressurized steam line installation to be performed by a qualified installer.

Drain water from humidifier can be very hot. Do not drain to public sink.

All plumbing and pressurized steam supply line work should be done according to

local plumbing code.

CAUTION: Installation

Do not mount on hot surfaces

Do not mount in area where freezing can occur

Do not mount on vibrating surface

The Nortec SETC/P produces steam at atmospheric pressure no devices which

could

block steam output should be connected to the steam outlet.

Steam output lines must be installed so that no restriction can produce

backpressure in the humidifier.

Regardless of selecting On/Off or modulating control method, Condair humidifiers

must have a closed circuit across its On/Off security loop control terminal to

operate. Condair highly recommends the use of a high limit humidistat and an air

proving switch in series for this function.

Unit damage caused by water quality outside of the specified ranges is not

covered under warranty.

Introduction | 2

Receiving and Unpacking

1Check packing slip to ensure ALL material has been delivered.

2All material shortages are to be reported to Condair within 48 hours from receipt of goods.

Condair assumes no responsibility for any material shortages beyond this period.

3Inspect shipment for damage and note damages on shipping waybill accordingly.

4After unpacking, inspect equipment for damage and if damage is found, notify the shipper

promptly.

5All Condair products are shipped on an FOB factory basis. Any and all damage, breakage

loss claims are to be made directly to the shipping company.

Before Installation

1Ensure that available voltage and phase corresponds with humidifier voltage and phase as

indicated on humidifier’s specification label.

2If steam supply is from a Medium or High Pressure boiler ensure supply steam line includes

a relief valve to prevent supply pressure from exceeding 15 psig.

3Ensure means for returning boiler steam condensate to boiler at atmospheric pressure are

available.

4Ensure sufficient clearances will be available as described in Location on page 11.

5Ensure steam lines can be routed to distributor SAM-e manifold or blower pack as described

in Steam Lines and Condensate Returns on page 17.

6Report any discrepancy immediately to the site engineer.

Figure 1: Specification Label Location

Note: A steam valve, actuator, and wye strainer are shipped along with the SETC/P

humidifier but in separate small boxes.

3 | Introduction

Humidifier Components

Float Chamber Display and Keypad Control Terminal Strip

Tank

On/Off Switch

Clean Out

Port

Heat

Exchanger

Gasket

Remote Relay

Board

Driver Board

High Voltage

Terminal Block

Base

Manual Drain Switch

Transformer

Total Controller

Heat

Exchangers

(Faceplate)

Steam Outlet

Fill Box Vacuum Break

Steam Inlet

(Boiler Steam)

Actuator

Wye Strainer

CV Valve

Fill Valve

Drain Outlet

P Trap

Condensate Drain

(Boiler Steam)

Auxiliary Drain

Outlet

Steam Trap

Mixing Box Drain Pump

Figure 2: Nortec SETC Humidifier Components

Introduction | 4

Description of Components

Table 1: Humidifier Components

Component

Function of Component

Actuator

Opens and closes the CV valve in proportion to demand for steam.

Auxiliary Drain

Outlet

Drains water from tank in case of pump failure.

Base

Provides an integrated floor support for the humidifier.

Clean Out Port

Provides access to clean scale from the tank and heat exchanger.

Condensate Drain

Drains condensate formed from boiler steam in the heat exchanger(s)

Control Terminal

Strip

Terminal strip for connecting external controls and blower pack to

humidifier.

CV Valve

Controls the amount of steam allowed into the heat exchanger which in

turn controls the output of the humidifier.

Display and Keypad

User interface for configuring the humidifier.

Drain Outlet

Drain port used for draining water from the humidifier tank.

Drain Pump

Drains water from humidifier.

Driver Board

Provides input and output connections to humidifier components.

Fill Box

Provides an air gap for backflow prevention.

Fill Valve

Controls flow of water into humidifier.

Float Chamber

Measures water level in the humidifier tank.

Gasket

Seals heat exchanger face plate and clean out port cover to tank.

Heat Exchanger(s)

Exchanges energy from boiler steam to the tank water to produce steam

for humidification. The faceplate mounts the heat exchanger to the tank.

High Voltage

Terminal Block

Primary power connection from remote disconnect to humidifier.

Manual Drain Switch

Manually activates pump to drain water from the tank.

Mixing Box

Blends hot tank water with cool fill water to provide drain water cooling.

On/Off Switch

Turns power On/Off to humidifier controller. Note: Turn off humidifier

disconnect to shut off primary power to the humidifier.

P Trap

Prevents steam from flowing out the drain outlet.

Remote Relay

Board

Provides a terminal strip to dry contacts which open/close to indicate the

humidifier is on, humidifying, needs service, or is in a fault condition.

Steam Inlet

Connection for boiler steam, it is connected to the heat exchangers.

Steam Outlet

Connect to steam line with steam hose.

Steam Trap

Drains condensate from the heat exchanger without letting boiler steam

escape to drain.

Tank

Holds the water used to generate clean steam for humidification.

Total Controller

Controls all functions of the humidifier’s operation and provides user

interface for configuration of the humidifier.

Transformer

Steps primary voltage down to 24 VAC for the controller and internal

components such as the fill valve and drain valve.

Vacuum Break

Prevents a siphon from occurring when the drain pump is stopped.

Wye Strainer

Protects CV valve and other system components from dirt and rust in the

piping system.

5 | Introduction

Nortec SETC/P Models

The Nortec SETC with its Total Controller and state-of-the-art features and options is the most

advanced steam exchange humidifier available. The base model Nortec SEP provides steady

and reliable humidification using the same proven heat exchanger technology as the

Nortec SETC. The Nortec SETC/P is available in capacities ranging from 50 lb/hr (23 kg/hr) to

1050 lb/hr (475 kg/hr). Nortec SETC/P humidifiers are packaged in five different cabinets

depending on their capacity. Figure

3: Nortec SETC/P Models shows the configuration and

relative size of the five different cabinets. Table

3 provides specifications for the

Nortec SETC/P product line.

Figure 3: Nortec SETC/P Models

The Nortec SE 50, 100, 175, 250, and 375 all have a single heat exchanger. The Nortec SE

525 and 750 have two heat exchangers. The Nortec SE 1050 has three heat exchangers. All

models have a single pressurized steam inlet and condensate drain with internal manifold

connecting separate heat

exchangers if they are present.

SETC50

Note:

SE 750 has

2 steam outlets

SE 525-750

SE 100-175

SE 1050

SE 250-375

Introduction | 6

Outdoor Model (Nortec SETC Only)

The outdoor model of the Nortec SETC provides a weatherproof enclosure that allows the Nortec

SETC to be

installed on rooftops in moderately cool climates. Refer to the Nortec SETC

installation manual that is

provided with the outdoor model to insure proper installation.

Options and Accessories

Condair provides a complete line of options and accessories for every humidification application.

The following options and accessories are available and may have been delivered with your

Nortec SETC/P humidifier. Refer to the installation instructions that came with the accessories

for their

proper installation and operation.

Table 2: Options and Accessories

Option / Accessory

Used For

Freeze Protection Package

(Nortec SETC Only)

Emptying the tank in case of fault or power failure to prevent

freezing. (Factory installed)

Floor Stand

Supporting the humidifier 27 inches above the floor (height can be

reduced by cutting legs of floor stand). (field assembled)

Ceiling Mounting Kit (Nortec SE50 Only)

Providing a drain pan and support brackets for mounting an

Nortec SE50

unit from the ceiling.

Steam Distributors

Adding steam into air ducts

Remote Blower Pack

Adding steam into a space remote from the humidifier.

SAM-e Steam Distribution Manifold

Adding steam into air ducts where short absorption is required.

Digital or Analog Control Humidistats

Controlling the output of the humidifier based on sensed RH (can

be mounted in the space being humidified or in the duct).

Digital RH Transducers

Communicating RH in a space or duct to the humidifier

Digital or Analog High Limit Humidistats

Preventing over humidification in a duct by shutting down or

throttling down the humidifier when duct RH gets high.

Air Proving Switches

Insuring humidification only occurs when air is moving in a duct.

Condair LINKS 2 (Nortec SETC Only)

Connecting the humidifier to a building management interface.

hardware allows control of the humidifier via BACnet, Lonworks,

Johnson N2, or Modbus.

Condair OnLine (Nortec SETC Only)

User and factory monitoring and configuration of the humidifier via

the internet.

9 | Installation

Table 3: Nortec SETC/P Specifications

Nortec

Model

SETC

Part No

SEP

Part No.

Valve

CV Valve,

Steam

Inlet, Wye

Port (NPT)

Cond-

ensate

Port

(NPT)

Net/Full

Weight

lb (kg)

Required

fill line

flow

gal (l)

/min

Required

Drain

capacity

gal (l)

/min

Electrical

2552765

2520383

2.8

1/2

3/4

125/180

(57/82)

2.6 (10)

5.2 (20)

Voltage

110-120

100

2550073

2525132

5.5

3/4

267/423

Phase

175

2550074

2525133

3/4

(121/192)

250

2550075

2525134

3/4

355/599

Amps

(161/272)

1.25 A

375

2550076

2525135

1 1/4

3/4

Power

525

2550077

2553312

1 1/2

529/992

0.15 KW

750

2550078

2553313

(240/450)

4.5 (17)

8 (29)

Max

1050

2550080

2525139

2, 2 1/2,

2 1/2

1 1/4

703/1384

(318/628)

Disconnect

15 A

Table 4: Nortec SETC/P Capacities and Water Consumption

Nortec

Model

*Supply

Steam

Pressure

(psig)

*Max Output

lb/hr (kg/hr)

Approximate

Boiler Steam

Consumption

lb/hr (kg/hr)

**Water

Consumption

gal (l) /hr

**Drain Volume

gal (l) /hr

13 (6)

15 (7)

2.3 (9)

0.8 (3)

32 (14)

36 (16)

5.7 (21)

1.9 (7)

50 (23)

58 (26)

9.0 (34)

3.0 (11)

100

26 (12)

30 (14)

4.7 (18)

1.6 (6)

63 (29)

72 (33)

11.3 (43)

3.8 (14)

100 (45)

115 (52)

18.0 (68)

6.0 (23)

175

46 (21)

52 (24)

8.2 (31)

2.7 (10)

110 (50)

127 (58)

19.8 (75)

6.6 (25)

175 (80)

201 (91)

31.5 (119)

10.5 (40)

250

65 (30)

75 (34)

11.7 (44)

3.9 (15)

158 (72)

181 (82)

28.3 (107)

9.4 (36)

250 (114)

288 (131)

44.9 (170)

15.0 (57)

375

98 (44)

112 (51)

17.5 (66)

5.8 (22)

236 (107)

272 (123)

42.5 (161)

14.2 (54)

375 (170)

431 (196)

67.4 (255)

22.5 (85)

525

137 (62)

157 (71)

24.5 (93)

8.2 (31)

331 (150)

380 (173)

59.5 (225)

19.8 (75)

525 (239)

604 (274)

94.4 (357)

31.5 (119)

750

195 (89)

224 (102)

35.1 (133)

11.7 (44)

473 (215)

543 (247)

84.9 (321)

28.3 (107)

750 (341)

863 (392)

134.8 (510)

44.9 (170)

1050

273 (124)

314 (143)

49.1 (186)

16.4 (62)

662 (301)

761 (346)

118.9 (450)

39.6 (150)

1050 (477)

1208 (549)

188.7 (714)

62.9 (238)

* Supply steam pressure must be present at the CV valve to achieve rated output

** At maximum output , 25% blow down, and with drain water cooling activated

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