Munters 116790 Green Expansion Installation Guide
- June 5, 2024
- Munters
Table of Contents
Munters 116790 Green Expansion
Green Expansion
Manual for use and maintenance
Rev 1.1 05/2022
This manual for use and maintenance is an integral part of the apparatus
together with the attached technical documentation.
This document is destined for the user of the apparatus: it may not be
reproduced in whole or in part, committed to computer memory as a file or
delivered to third parties without the prior authorization of the assembler of
the system.
Munters reserve the right to effect modifications to the apparatus in
accordance with technical and legal developments.
Introduction
Disclaimer
Munters reserves the right to make alterations to specifications, quantities,
dimensions etc. for production or other reasons, subsequent to publication.
The information contained herein has been prepared by qualified experts within
Munters. While we believe the information is accurate and complete, we make no
warranty or representation for any particular purposes. The information is
offered in good faith and with the understanding that any use of the units or
accessories in breach of the directions and warnings in this document is at
the sole discretion and risk of the user.
Introduction
Congratulations on your excellent choice of purchasing a Green Expansion!
In order to realize the full benefit from this product, it is important that
it is installed, commissioned, and operated correctly. Before installation or
using the fan, this manual should be studied carefully. It is also recommended
that it is kept safely for future reference. The manual is intended as a
reference for installation, commissioning and day-to-day operation of the
Munters Controllers.
Notes
Date of release: July 2019
Munters cannot guarantee to inform users about the changes or to distribute
new manuals to them.
All rights reserved. No part of this manual may be reproduced in any manner
whatsoever without the expressed written permission of Munters. The contents
of this manual are subject to change without notice.
Green Expansion Box
CAUTION This unit must be installed inside, in a location protected from solar
radiation and direct rain
The Green Expansion box acts as a remote I/O terminal; it is connected to the
main CPU through a network connection and cannot function independently.
A maximum of three Expansion Boxes can be connected to a Green House or Green
Climate upper port network.
Wiring
The Green Expansion boxes can be connected as follows:
- RS-485 using an RCLP 485 X 2 (long-range – see Figure 1):
- Controller side: Connect the upper port of the controller communication card (RCLP 485 X 2) to the Expansion box.
- Expansion box side: Connect the wires to the RS485 communication port located on the Expansion box CPU (do not invert Rx and Tx wires).
Green Expansion boxes can be daisy chained or parallel.
Green Expansion boxes can only be daisy chained. In this case, invert Rx and
Tx only in the first connection between the Controller and the first Expansion
Box. In the connections between the Expansion, Boxes do not invert.
Figure 1: Expansion card layout
Figure 2: Box # set to ‘1’ for Expansion box #1
Figure 3: Box # set to ‘2’ for Expansion box #2
Figure 4: Box # set to ‘3’ for Expansion box #3
Figure 5: Baud rate switches in 9600 mode
Table 1 presents all available states of switches ‘4’ and ‘5’ (see Figure 5).
Figure 5 presents a Baud rate of 9600 (see table below for further
explanations) 
Table 1: Baud rate values
NOTE Note that Figures 1-4 apply to Figures 6-8. 
Figure 6: Expansion box wiring diagram – RS-485 connection (using an RCLP 485X2)
Distances
- For one box:
- 2000 meter 9600 baud
- 2500 meter 4800 baud
- 3000 meter 2400 baud
- For three boxes:
- 1200 meter 9600 baud
- 1800 meter 4800 baud
- 2400 meter 2400 baud
Relay Connection
Figure 8: Wrong relay connection
CAUTION Attention: Do not connect 24VAC transformer Common.
Warranty
Warranty and technical assistance
Munter’s products are designed and built to provide reliable and satisfactory
performance but cannot be guaranteed free of faults; although they are
reliable products they can develop unforeseeable defects and the user must
take this into account and arrange adequate emergency or alarm systems if
failure to operate could cause damage to the articles for which the Munters
plant was required: if this is not done, the user is fully responsible for the
damage which they could suffer.
Munters extends this limited warranty to the first purchaser and guarantees
its products to be free from defects originating in manufacture or materials
for one year from the date of delivery, provided that suitable transport,
storage, installation and maintenance terms are complied with. The warranty
does not apply if the products have been repaired without express
authorization from Munters, or repaired in such a way that, in Munters’
judgment, their performance and reliability have been impaired, or incorrectly
installed, or subjected to improper use. The user accepts total responsibility
for incorrect use of the products.
The warranty on products from outside suppliers fitted to the Green Expansion
boxes, (for example antennas, power supplies, cables, etc.) is limited to the
conditions stated by the supplier: all claims must be made in writing within
eight days of the discovery of the defect and within 12 months of the delivery
of the defective product. Munters has thirty days from the date of receipt in
which to take action and has the right to examine the product at the
customer’s premises or at its own plant (carriage cost to be borne by the
customer).
Munters at its sole discretion has the option of replacing or repairing, free
of charge, products that it considers defective, and will arrange for their
despatch back to the customer carriage paid. In the case of faulty parts of
small commercial value which are widely available (such as bolts, etc.) for
urgent despatch, where the cost of carriage would exceed the value of the
parts, Munters may authorize the customer exclusively to purchase the
replacement parts locally; Munters will reimburse the value of the product at
its cost price.
Munters will not be liable for costs incurred in demounting the defective
part, or the time required to travel to site and the associated travel costs.
No agent, employee or dealer is authorized to give any further guarantees or
to accept any other liability on Munters’ behalf in connection with other
Munters products, except in writing with the signature of one of the Company’s
Managers.
WARNING: In the interests of improving the quality of its products and
services, Munters reserves the right at any time and without prior notice to
alter the specifications in this manual.
The liability of the manufacturer Munters ceases in the event of:
- dismantling the safety devices;
- use of unauthorized materials;
- inadequate maintenance;
- use of non-original spare parts and accessories.
Barring specific contractual terms, the following are directly at the user’s expense:
- preparing installation sites;
- providing an electricity supply (including the protective equipotential bonding (PE) conductor, in accordance with CEI EN 60204-1, paragraph 8.2), for correctly
Connecting the equipment to the mains electricity supply;
- providing ancillary services appropriate to the requirements of the plant on the basis of the information supplied with regard to installation;
- tools and consumables required for fitting and installation;
- lubricants necessary for commissioning and maintenance.
It is mandatory to purchase and use only original spare parts or those
recommended by the manufacturer.
Dismantling and assembly must be performed by qualified technicians and
according to the manufacturer’s instructions.
The use of non-original spare parts or incorrect assembly exonerates the
manufacturer from all liability.
Requests for technical assistance and spare parts can be made directly to the
nearest Munters office. A full list of contact details can be found on the
back page of this manual.