Nor-tec RH Manuel utilisateur

Installation and

Operation Manual

Includes installation, operation

maintenance and troubleshooting

information for your RH Electric

Steam humidifier

2548006-A| 8 OCT 2009

Important:

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

Thank you for choosing Nortec.

Proprietary Notice

This document and the information disclosed herein are proprietary data of WALTER MEIER LTD. Neither this

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

written authorization of WALTER MEIER LTD., except to the extent required for installation or maintenance of

recipient’s equipment. All references to the Nortec name should be taken as referring to WALTER MEIER LTD.

Liability Notice

Nortec 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 Nortec.

INSTALLATION DATE (MM/DD/YYYY)

MODEL #

SERIAL #

CYLINDER #

Contents

1 Introduction

2 Receiving and Unpacking

2 RH Models

3 Options and Accessories

5 Installation

6 Typical RH Installation

7 Location

8 Mounting with Keyholes

9 Plumbing

10 Steam Lines and Condensate

Returns

14 Electrical

15 External Controls

20 Options and Accessories

21 Start Up

22 Installation Check

23 RH User Interface

24 Start Up Procedure

26 Start Up Checklists

29 Operation

30 LED Status Lights

30 Selecting an RH Setpoint

31 Humidifier Components

34 How the Humidifier Works

36 Humidifier Configuration

38 Maintenance and

Servicing

39 Required Maintenance

43 Extended Shutdown

44 Maintenance Checklist

45 Troubleshooting

47 General Troubleshooting

49 RH Faults

51 Wiring Diagrams

52 Spare Parts

56 Warranty

1 | Introduction

Introduction

CAUTION: Servicing

•Disconnect main power before any servicing.

•The plumbing and electrical compartments contain 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 blower pack, steam lines, steam distributors,

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

•Walter Meier 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 Walter Meier.

CAUTION: Electrical

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

•Electrical connection to be performed by a licensed electrician.

CAUTION: Plumbing

•Plumbing to be performed by a licensed plumber.

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

•All plumbing 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.

•Do not mount on floor.

•The RH produces steam at atmospheric pressure no devices which could block

steam output should be connected to the steam outlet.

•Steam lines must be installed so that no restriction can produce backpressure in

the humidifier.

•Regardless of selecting on/off or modulating control method, Nortec humidifiers

must have a closed circuit across its on/off security loop control terminal to

operate. Nortec highly recommends the use of a duct high limit humidistat.

Introduction | 2

Receiving and Unpacking

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

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

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

3Inspect shipping boxes 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 Nortec products are shipped on an FOB factory basis. Any and all damage, breakage or

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.

2Ensure that the dedicated external fuse disconnect is of sufficient size to handle the rated

amps as indicated on the specification label. Refer to local codes.

3Report any discrepancy immediately to the site engineer.

4Ensure sufficient clearances will be available as described in the Location section on page

5Ensure steam lines can be routed to distributor or blower pack as described in Steam Lines

and Condensate Returns on page 10.

Figure 1: Specification Label Location

RH Models

The RH is the most advanced residential steam humidifier available and provides steady and

reliable humidification for a home using the same proven cylinder technology as Nortec’s

commercial NHTC. The RH is available in 2 models. The duct model is designed for connection

to a steam distributor installed in a supply air duct or for connection to a remote blower pack.

The space model is designed for applications where humidity is to be introduced directly into

the space being humidified. The two models can be differentiated by the grille in the

humidifiers front cover, see Figure 2: RH Models.

MADE IN CANADA

MODEL:

VOLTS 1:

F.L.A:

KW:

XXXXXXXXXXXXXXXXXXXXXXXX

S/N:

XXXXXXX

XXXXXXXXX

PHASE:

XXXX

HZ:

XXXXX

XXXXXX

DATE:

XXXXXXXXX

VOLTS 3:

XXXXXXXXX

VOLTS 2:

XXXXXXXXX

F.L.A:

XXXXX

F.L.A:

XXXXX XXXXXX

XXXXXX

KW:

3 | Introduction

Figure 2: RH Models

Table 1: RH Specifications

Model - Part No. Volts Capacity

lb (kg)

KW Amps Phase Max Ext

Fuse

Standard

Cylinder

Net/Full

Weight

lb (kg)

RH Space - 2548758

110-120 4 (1.8) 1.5

1 20 202

16 / 22

(7.5 / 10.0)

208 6.9 (3.1) 2.6 12.7

220-240 8 (3.6) 3.0

RH Duct - 2548759

110-120 5 (2.3) 1.9

1 20 202

15 / 21

(7.0 / 9.5)

208 8.7 (4.0) 3.3 15.9

220-240 10 (4.6) 3.8

Options and Accessories

Nortec 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 RH

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

Steam Distributors Adding steam into air ducts.

Remote Blower Pack Adding steam into a space remote from the humidifier.

Digital or Modulating Control Humidistats Controlling the output of the humidifier based on sensed RH.

Digital or Modulating 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.

Space Model

(blower pack)

Duct Model

Introduction | 4

5 | Installation

Installation

6 Typical RH Installation

7 Location

8 Mounting with Keyholes

9 Plumbing

10 Steam Lines and Condensate Returns

14 Electrical

15 External Controls

15 Control Location

15 Control Wiring

16 On/Off Control Wiring

17 Modulating Control Wiring

19 Optional Outdoor Temperature Reset

20 Options and Accessories

20 Remote Blower Pack

Installation | 6

Typical RH Installation

Figure 3: Typical Humidifier Installation

7 | Installation

Location

Mount on a suitable wall or vertical surface. Do not sit the on the floor to allow clearances

required for plumbing and electrical connections. Clearance dimensions shown are for

reference only and are the minimum required for maintenance of the humidifier. Consult local

and national codes before final location and installation. Nortec does not accept responsibility

for installation code violations.

•Install only in areas with ambient temperature 41-104°F (5 – 40°C) relative humidity

5 - 95%.

•When possible install below the steam distributor. If mounted above the steam distributor

take care to provide proper steam line routing and proper condensate traps.

•DO NOT locate the humidifier any further then absolutely necessary from the steam

distributor location as net output will be reduced as a result of heat loss through the steam

line.

•When possible, mount the RH humidifier at a height convenient for servicing.

Figure 4: Mounting Location / Clearance

Note: Do not mount on hot surfaces, where freezing can occur, vibrating surface, or

floor.

Side clearance

for space models

only,see table

36 in.(92 cm)

in. ront learance

ductmodel

mf c

Additional frontclearance

for space models,

see table

24 in.(61 cm)

Min Height

Mount Humidifier

Level

As Close as

Possible to Steam

Distributor

5-95%

Overhead clearance

for space models

only, see table

Humidifier Output lb (kg) Side in. (cm)

<4 (1.8) 12 (30) 12 (30)

6 (2.7) 16 (40) 18 (46)

8 (3.6) 18 (46) 18 (46)

7 ft (2.1 m)

min. Height

for space

models only.

36 (92)

42 (107)

48 (120)

Additional Clearance for Space Models Only

Overhead in. (cm) Front in. (cm)

Ce manuel convient aux modèles suivants

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