HIdRos GH50 - Introduction to GH Dehumidifiers; Potential Risks Overview; Limitations and Prohibited Use; Safety Precautions for GH Dehumidifiers

Rev. B 08-2017
3
MTEC.4680.GB-B-1 Operation and maintenance manual GH serie English
GH Dehumidifiers for radiant cooling system
INDICE
1. INTRODUCTION ...................................................................................................................................................................................5
1.1 Preliminary information .................................................................................................................................................... 5
1.2 Aim and content of the manual ........................................................................................................................................ 5
1.3 How to store this manual .................................................................................................................................................5
1.4 Manual updates ...............................................................................................................................................................5
1.5 How to use this manual ................................................................................................................................................... 5
1.6 Potential risks .................................................................................................................................................................. 6
1.7 General description of symbols used ............................................................................................................................... 7
1.8 Safety symbols used ........................................................................................................................................................ 8
1.9 Limitations and prohibited use ......................................................................................................................................... 9
1.10 Unit identification ........................................................................................................................................................... 9
2. SAFETY ............................................................................................................................................................................................. 10
2.1 Warning re potentially hazardous toxic substances ....................................................................................................... 10
2.2 Refrigerant handling ...................................................................................................................................................... 10
2.3 Prevention of inhalation of high vapor concentrations ................................................................................................... 11
2.4 Procedures in the event of accidental release of refrigerant ......................................................................................... 11
2.5 Main Toxicological information on the type of refrigerant used ...................................................................................... 11
2.6 First aid measures ......................................................................................................................................................... 11
3. TECNICHAL CHARACTERISTICS .....................................................................................................................................................12
3.1 Unit description .............................................................................................................................................................. 12
3.2 Accessories .................................................................................................................................................................... 14
3.3 Unit components ............................................................................................................................................................ 15
3.5 Refrigerant circuit layout ................................................................................................................................................ 15
3.6 Technical data ................................................................................................................................................................ 17
3.7 Hydraulic circuit pressure drops ....................................................................................................................................18
3.8 Operation limits .............................................................................................................................................................. 19
3.9 Sound data .................................................................................................................................................................... 19
3.10 Safety devices ............................................................................................................................................................. 20
3.11 Electric data ................................................................................................................................................................. 20
4. INSTALLATION ................................................................................................................................................................................... 20
4.1 General safety guidelines and and use of symbols ....................................................................................................... 20
4.2. Health and safety Considerations ................................................................................................................................. 21
4.3 Personal protective equipment ...................................................................................................................................... 21
4.4 Inspection ...................................................................................................................................................................... 22
4.5 Storage .......................................................................................................................................................................... 22
4.6 Unpacking ...................................................................................................................................................................... 22
4.7 Lifting and handling ........................................................................................................................................................ 23
4.8 Location and minimum technical clearances ................................................................................................................. 23
4.9 Condensate draining connections ................................................................................................................................. 24
4.10 Water coil hydraulic connection ................................................................................................................................... 24
4.11 How to vent the unit ..................................................................................................................................................... 24
4.12 Ductwork unit connection ............................................................................................................................................. 25
4.13 Standard version: Remote mechanical hygrostat connection (HYGR.20) ................................................................... 27
4.14 WZ version : Remote mechanical hygrostat connection (HYGR.30) ........................................................................... 27
4.15 Filter extraction ............................................................................................................................................................ 28
4.16 Electric connections: preliminary safety information .................................................................................................... 29
4.17 Electrical data .............................................................................................................................................................. 29
4.18 Electrical connections .................................................................................................................................................. 30
5. UNIT START UP .................................................................................................................................................................................. 32
5.1 Preliminary checks .......................................................................................................
.................................................. 32
5.2 Control panel ................................................................................................................................................................. 32
6. USE ..................................................................................................................................................................................................... 33
6.1 Unit switch on and first start up ...................................................................................................................................... 33
6.2 Stop ............................................................................................................................................................................... 33
6.3 Stand-by ........................................................................................................................................................................ 33