![VTS American VENTUS AVS 230 [23/60] Installation of variable frequency drive frequency](/img/pdf.png)
VTS American VENTUS AVS 230 [23/60] Installation of variable frequency drive frequency
![VTS American VENTUS AVS 230 [23/60] Installation of variable frequency drive frequency](/views2/1894744/page23/bg17.png)
OMM-VTS-ver.6.3 (08.2022)
www.vtsgroup.us 23
6 Installation of Variable Frequency Drive (Frequency
Converter)
A variable frequency drive is an integral part of
each fan section. It is factory mounted and
comes as a standard equipment of the air
handling unit. Before beginning installation,
follow the wiring instructions given in this
document. Especially, refer to the unit wiring
schematic for specific wiring details (see the
section 7 in this document).
Notes on Installation
Avoid placing VFD devices in the area, which
is subject to the following conditions:
Radiant heat from the sun, fireplaces,
other appliances, etc.
Direct sunlight exposure.
Fog, fumes, oil mist or other exhaust
from kitchen appliances or industrial
processes.
Dripping water from humidity
condensation or any other source.
Содержание
- Installation operation and maintenance 1
- Ventus air handling units rated cfm from 800 to 38200 1
- Table of content 2
- Model descriptions 4
- Warnings cautions and notices 4
- B the symbol of predefined basic functions set 5
- O avs the product family 5
- O b a symbol of a set of functions which are carried out in the device where b 5
- O l r access service side l left r right 5
- O xx the ahu sizes which are presented as the rounded rated air flow expressed in hundreds of cfm at 480 fpm 2 44 m s air velocity on coil for exhaust the unit size is equivalent to an ahu fitted with a coil 5
- Omm vts ver 08 022 www vtsgroup us 5 5
- Table 1 functions coding 5
- Table 2 the coding system of vertical ahus 5
- The horizontal ahu avs xx l r b where the vertical ahu avs xx l r b v where 5
- The symbol of additional functions in the inlet side of the ahu the symbol of basic predefined functions an ahu s base this function is fitted to the ahu outside its 5
- The symbols of additional functions fixed in the outlet side of the ahu casing 5
- There is a list of symbols and functions of air handling units 5
- Omm vts ver 08 022 www vtsgroup us 6 6
- Table 3 ahu coding system 6
- General information 7
- Pre installation 8
- Receiving and handling 8
- Receiving checklist 9
- Ship separate accessories 9
- Shipping package 9
- Installation preparation 10
- Jobsite storage 10
- Recommendation 10
- Rigging and handling 11
- Service access 11
- Skid removal 12
- Unit location recommendations 12
- Pre installation checklist 13
- Data of weights is given in the ahu nameplate and technical data that is available in the vts selection software 14
- Dimensions and weights 14
- Fig 6 horizontal units avs 8 85 14
- Fig 7 horizontal units avs 100 380 fig 7 horizontal units avs 100 380 14
- Horizontal ahu 14
- Omm vts ver 08 022 www vtsgroup us 14 14
- Table 4 basic dimensions of horizontal ahus 14
- The length l of the units depends on the used function and is shown in nameplate and technical data available in the vts selection software 14
- Fig 8a inlet discharge outlet holes 15
- Fig 8b inlet discharge outlet holes for economizer 15
- Inlet discharge holes 15
- Omm vts ver 08 022 www vtsgroup us 15 15
- Other than forward full 15
- Table 5 dimensions of forward full inlet outlet holes 15
- Exchanger 16
- Fig 10 horizontal ahus with energy recovery system avs 100 380 16
- Fig 9 horizontal ahus with energy recovery fig 9 horizontal ahus with energy recovery system avs 8 85 16
- For unit avs 8 heat wheel is not available 16
- Horizontal ahu with heat wheel and cross flow 16
- Omm vts ver 08 022 www vtsgroup us 16 16
- Table 6 basic dimensions of horizontal ahus with energy recovery system 16
- Ahu components connection 17
- Fig 11 vertical ahu avs 8 40 fig 11 vertical ahu avs 8 40 17
- Fig 12 dimensions of hydronic coil exchangers avs 8 170 17
- Hydronic coil exchangers 17
- Omm vts ver 08 022 www vtsgroup us 17 17
- Table 7 basic dimensions of vertical ahus 17
- Vertical ahu 17
- Omm vts ver 08 022 www vtsgroup us 18 18
- Table 8 dimensions of hydronic coil exchangers of avs 8 170 fig 12 18
- Fig 13 dimensions of hydronic coil exchangers avs 230 380 fig 13 dimensions of hydronic coil exchangers avs 230 380 19
- Omm vts ver 08 022 www vtsgroup us 19 19
- Table 9 dimensions of hydronic coil exchangers of avs 230 380 fig 13 19
- Dx coils one circuit one section dx coils 20
- Fig 14 one circuit one section dx coil drawing 20
- Omm vts ver 08 022 www vtsgroup us 20 20
- Table 10 dimensions of one circuit one section dx coils fig 14 20
- Fig 15 two circuit two section dx coil drawing 21
- Omm vts ver 08 022 www vtsgroup us 21 21
- Table 11 two circuit two section dx coil fig 15 21
- Two circuit two section dx coils 21
- Air filters 22
- Electric heaters 22
- Omm vts ver 08 022 www vtsgroup us 22 22
- Pleated panel filters in two filtration classes merv 8 13 and nominal sizes 2 and 4 respectively table 12 panel filters sizes 22
- The main supply is to be connected to the electric heater main switch mounted on its casing side inside the unit electric heater supply wiring should be let through the fixed panel at the ahu s back if the wiring is led through the inspection panel on the front side then it should be arranged so as to enable opening the section for maintenance and service operations available heater power output depending on the connection type and number of heating elements are shown in the table 13 16 22
- Converter 23
- Installation of variable frequency drive frequency 23
- Installation electrical 24
- Power supply wiring 24
- Unit wiring diagrams 24
- Electrical connections 25
- Electrical grounding restrictions 25
- Electric heater 26
- Full load amps and maximum circuit breaker 26
- Omm vts ver 08 022 www vtsgroup us 26 26
- Use data that is given below to select relevant wires and to select relevant size of fuses table 13 electric heaters 1 208 v and 1 230 v 60 hz 26
- Omm vts ver 08 022 www vtsgroup us 27 27
- Table 14 electric heaters 3 208 v and 3 230 v 60hz 27
- Omm vts ver 08 022 www vtsgroup us 28 28
- Table 15 electric heaters 3x380 v 50 and 60 hz with heater element number 1 8 table 15 electric heaters 3x380 v 50 and 60 hz with heater element number 1 8 28
- Omm vts ver 08 022 www vtsgroup us 29 29
- Table 16 electric heaters 3x380 v 50 and 60 hz with heater element number 8 16 29
- Omm vts ver 08 022 www vtsgroup us 30 30
- Table 17 electric heaters 3x380 v 50 and 60 hz with heater element number 17 36 30
- Omm vts ver 08 022 www vtsgroup us 31 31
- Table 18 electric heaters 3x460 v 60hz with heater element number 1 8 31
- Omm vts ver 08 022 www vtsgroup us 32 32
- Table 19 electric heaters 3x460 v 60hz with heater element number 9 16 32
- Omm vts ver 08 022 www vtsgroup us 33 33
- Table 20 electric heaters 3x460 v 60hz with heater element number 17 36 33
- Omm vts ver 08 022 www vtsgroup us 34 34
- Table 21 electric heaters for ahu from avs8 to avs100 tutco 34
- Omm vts ver 08 022 www vtsgroup us 35 35
- Table 22 electric heaters for ahu from avs130 to avs380 tutco 35
- Electric motor with frequency converter 36
- Omm vts ver 08 022 www vtsgroup us 36 36
- Table 24 full load amps and maximum circuit breaker 1x230v 36
- Table 25 full load amps and maximum circuit breaker 3x208v 36
- Table 26 full load amps and maximum circuit breaker 3x230v 36
- Use data that is given below to select relevant wires and to select relevant size of fuses the data is presented also in the motors and ahu s nameplate table 23 full load amps and maximum circuit breaker 1x208v 36
- Omm vts ver 08 022 www vtsgroup us 37 37
- Table 27 full load amps and maximum circuit breaker 3x460v 37
- Table 28 full load amps and maximum circuit breaker 3x380v 37
- Table 29 full load amps and maximum circuit breaker 3x575v 37
- Control connections 38
- Frequency converter wiring 38
- Installation mechanical 45
- Installing the unit 45
- Hanging the units 46
- Curb curb adaptor and curb cap mounted units 47
- Unit rails i beams mounted unit 49
- Condensate drain connections 50
- Duct connections 51
- Hydronic coil connections 51
- Installation piping 51
- Ahu size avs xx and 52
- Fig 27 securing the threaded connections of the exchanger the symbol of water coil hot water and chilled water consists of 52
- Number of rows wcl y 52
- Omm vts ver 08 022 www vtsgroup us 52 52
- Table 35 hydronic coil volume table 35 hydronic coil volume 52
- Steam piping 53
- Refrigerant coil piping 55
- Liquid line 56
- Suction line 56
- Pre start 57
- Maintenance 58
- Maintenance procedures 58
- Coil maintenance 59
- Winterizing the coil 59
- Annual maintenance 60
- Monthly checklist 60
- Periodic maintenance checklists 60
- Semi annual maintenance 60
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