Hoval RoofVent R Series Original Operating Manual Download Page 7 | Manualshive

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3.3 Function diagram

Fresh air
Fresh air filter with differential pressure switch
Temperature sensor air inlet ER (optional)
Bypass damper with actuator
Exhaust air temperature sensor
Exhaust air fans with flow rate monitoring
Exhaust air
Fresh air damper with actuator
Plate heat exchanger
Extract air temperature sensor
Extract air damper with actuator
Recirculation damper (opposed to the extract air

damper)

Temperature sensor air outlet ER (optional)
Extract air filter with differential pressure switch
Supply air fans with flow rate monitoring
Extract air
Heating coil (RoofVent

®

RH, RHC only)

Frost controller (RoofVent

®

RH, RC, RHC only)

Cooling coil (RoofVent

®

RC, RHC only)

Condensate separator (RoofVent

®

RC, RHC only)

Air-Injector with actuator
Supply air sensor
Supply air

Fig. 3: Function diagram

RoofVent

®

RH | RC | RHC | R

Construction and operation

Art.No. 4 214 745-en-04 / Page 7

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Summary of Contents for RoofVent R Series

Page 1: ...RoofVent RH RC RHC R Art No 4 214 745 en 04 Page 1 RoofVent RH RoofVent RC RoofVent RHC RoofVent R Original operating manual...

Page 2: ...otected design for high extract air humidity 24 6 5 Connection module 25 6 6 Design with 2 Air Injectors 25 6 7 Design without Air Injector 25 6 8 Paint finish of below roof unit 25 6 9 Fresh air sile...

Page 3: ...to local requirements RoofVent units comply with all the requirements of the Ecodesign Directive relating to environmentally friendly design of ventilation systems They are systems of the non resident...

Page 4: ...g on the hot water supply Water penetration through the roof unit if the access panels are not closed correctly Therefore Please read the operating instructions before unpacking installing commis sion...

Page 5: ...eans of the infinitely variable guide vanes It depends on the air flow rate the mounting height and the temperature difference between the supply air and room air The air is therefore blown into the r...

Page 6: ...erformance control and as recirculation bypass Fresh air damper with actuator Bypass damper with actuator Fresh air filter Fresh air access door Extract air and recirculation dampers with actuator Ext...

Page 7: ...damper with actuator Recirculation damper opposed to the extract air damper Temperature sensor air outlet ER optional Extract air filter with differential pressure switch Supply air fans with flow rat...

Page 8: ...lumes Supply air fan MIN Exhaust air fan MIN Energy recovery 0 100 Extract air damper open Recirculation damper closed Heating cooling 0 100 AQ Air quality This is the operating mode for demand contro...

Page 9: ...eats up the room in recirculation operation Supply air fan MAX Exhaust air fan off Energy recovery 0 Extract air damper closed Recirculation damper open Heating cooling on OPR Overheating protection I...

Page 10: ...y RX Temperature efficiency ErP 2018 Design ST Standard OE Oil proof design HA Design for high extract air humidity KG Corrosion protected design KA Corrosion protected design for high extract air hum...

Page 11: ...sate pump without KP Condensate pump Socket without SD Socket in the unit CH Socket in the unit Switzerland Control system TC TopTronic C Energy monitoring without EM Energy monitoring Pump control wi...

Page 12: ...min 3100 5000 m h m h Condensate quantity Size 6 Size 9 max max 90 150 kg h kg h Table 3 Application limits 5 2 Heat recovery system HRS Unit size 6 9 Temperature efficiency dry 77 78 Temperature eff...

Page 13: ...300 300 300 Effective electric power input kW 2 01 2 09 3 10 3 24 3 34 Unit type RC 6 RC 9 Coil type C C D Nominal external pressure Supply air Pa 110 220 190 Extract air Pa 190 300 300 Effective ele...

Page 14: ...10 5 46 4 6 3908 Legend Type Type of coil Q Coil heat output QTG Output to cover fabric heat losses Hmax Maximum mounting height tS Supply air temperature pW Water pressure drop mW Water quantity Refe...

Page 15: ...le cooling capacity Qtot Total cooling capacity QTG Output for coverage of transmission sensible gains sensible cooling load tS Supply air temperature pW Water pressure drop mW Water quantity mC Conde...

Page 16: ...K U T 2380 1950 2080 47 A Roof unit with energy recovery Connection module Access panel coil Access panel connection box Heating section Air Injector Return Flow Fig 6 Dimensional drawing for RoofVent...

Page 17: ...95 J mm 101 101 111 111 102 K mm 758 758 882 882 882 L internal thread Rp 1 Rp 1 Rp 1 Rp 1 Rp 2 Water content of the coil l 3 1 6 2 4 7 9 4 14 2 Table 8 Dimensions for hydraulic connection Unit type...

Page 18: ...0 47 A Roof unit with energy recovery Connection module Access panel coil Access panel connection box Heating cooling section Air Injector Return Flow Condensate connection G1 external Fig 7 Dimension...

Page 19: ...9 D N mm 78 78 95 O mm 123 92 83 P mm 758 882 882 Q internal thread Rp 1 Rp 1 Rp 2 R mm 54 53 53 Water content of the coil l 6 2 9 4 14 2 Table 11 Dimensions for hydraulic connection Unit type RC 6 C...

Page 20: ...Connection module Access panel coil Access panel connection box Heating section Cooling section Air Injector Heating circuit return Heating circuit flow Cooling circuit return Cooling circuit flow Co...

Page 21: ...he heating section Size RHC 6 RHC 9 Type of the cooling coil C C D N mm 78 78 95 O mm 123 92 83 P mm 758 882 882 Q internal thread Rp 1 Rp 1 Rp 2 R mm 54 53 53 Water content of the coil l 6 2 9 4 14 2...

Page 22: ...S B C V U T 200 77 2380 1950 2080 47 A Roof unit with energy recovery Connection module Access panel connection box Air Injector Fig 9 Dimensional drawing for RoofVent R dimensions in mm RoofVent RH R...

Page 23: ...530 530 780 1030 1530 W mm 1430 1680 1930 2430 1550 1800 2050 2550 Table 17 Dimensions of the RoofVent R Unit type R 6 R 9 Total kg 812 1050 Roof unit kg 700 900 Below roof unit kg 112 150 Air Injecto...

Page 24: ...oom by more than 2 g kg for example applications in paper and electronics industries Attention Danger of damaging the units due to ice formation Do not operate the units unless icing protection is pro...

Page 25: ...rovided by the client Fig 10 RoofVent unit with supply air duct and 2 Air Injectors 6 7 Design without Air Injector RoofVent units in the design without Air Injector are suitable for connecting to an...

Page 26: ...e drop Pa 10 10 Table 19 Technical data of the fresh air silencer 6 10 Exhaust air silencer The exhaust air silencer reduces noise emissions from RoofVent units on the exhaust air side It consists of...

Page 27: ...vent Coil screw joint Control valve Distributor circuit screw joint Flow Mixing valve Ball valve Return 6 13 Mixing valve Mixing valves which are optimally matched to the units are available for easy...

Page 28: ...ad circuit Please note the following Not only the mixing valves but also the pumps in the load circuit are controlled directly by the control block Terminals for wiring the mixing valves and the pumps...

Page 29: ...access door Extract air grille Zone control panel Fig 12 Delivery of the components on pallets Accessories The following accessories are supplied separately Transport eyes for lifting the below roof u...

Page 30: ...nd the extract air grille Hydraulic assembly on separate pallet Additional room air temperature sensors combination sensor room air quality temperature and humidity in zone control panel Version with...

Page 31: ...unit must be easily accessible The Air Injector must be easily accessible A clearance of approx 1 m is required on the side opposite the coil connections for below roof unit service and maintenance pu...

Page 32: ...for the roof unit Sealing compound for the roof frame e g PU foam Adhesive for securing screws e g Loctite 243 medium strength soluble Below roof unit Remove the below roof unit from the packaging fi...

Page 33: ...option relating to the component above it The correct position is marked on the unit Place the connection module on the bottom part Screw the components together use the supplied screws and protectiv...

Page 34: ...lock in on both sides Secure the clamping locks with cotter pins Exhaust air silencer Lift the silencer and position it on the air outlet opening of the unit Insert the bolts into the hinges and inser...

Page 35: ...ting gear Heed the minimum length of the lifting ropes see Fig 23 Transport the below roof unit to the roof frame using a helicopter or crane Turn the below roof unit to the desired position Hang the...

Page 36: ...ver caps Keep the transport eyes for when disassembling the units at a later date at the end of their service life Reattach the fan protecting plate on the supply air side Temporarily screw the protec...

Page 37: ...filters on the black filter frame never touch the white filter medium Replace damaged filter elements immediately Fig 29 Extract air filter installed in the unit Fig 30 Extract air filter for oil and...

Page 38: ...tach the Air Injectors to the supply air duct with a perforated angle plate and blind rivet nuts Do not install any add ons or fittings in the direct outlet area The supply air jet must be free to spr...

Page 39: ...circulate in the heating cooling coil when the unit is switched off Hydraulic installation of units with hydraulic assembly for diverting system option Connect the heating or cooling coil to the on s...

Page 40: ...0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 11000 2000 1000 3000 4000 5000 6000 7000 8000 9000 10000 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 3 0 4 0 9C 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2...

Page 41: ...incline downwards and then vertically down wards and if possible down to below the condensate pump This will create a siphon effect and thus improve the effectiveness of the condensate pump Ensure tha...

Page 42: ...ectrode and attach an earthing label Wire up the actuator Air Injector frost controller and supply air temperature sensor to the connection box Wire up the mixing valves to the connection box The room...

Page 43: ...er electrician etc present at the scheduled time Are the system operating personnel present for training at the scheduled time 8 2 Operation The system runs fully automatically depending on the progra...

Page 44: ...rectly touching live parts even after the unit is switched off Only open the access doors after waiting 3 minutes Observe the accident prevention regulations Observe the particular dangers involved wh...

Page 45: ...Filter table The following replacement filters are required Design Size Filter set Mat no Standard Corrosion protected design Design for high extract air humidity 6 Fresh air 6046475 Extract air 60464...

Page 46: ...lter elements in place with the filter brackets Fold the access door up and reattach the safety loops Close the access door Changing the fresh air filter when a fresh air silencer is installed Open th...

Page 47: ...circuit Dismantle all media connections Disconnect the unit from fastenings where applicable Open the supply air access door and the extract air access door Unscrew the fan protecting plate Disconnect...

Page 48: ...ustrasse 70 9490 Vaduz Liechtenstein Tel 423 399 24 00 info klimatechnik hoval com www hoval com United Kingdom Hoval Ltd Northgate Newark Nottinghamshire NG24 1JN Tel 01636 672711 heatrecovery hoval...

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