Operation & Maintenance Manual
VER Vertical Unit Ventilator
with Integral Energy Recovery
Form SC-OM-MANUAL
©2011 Temspec Incorporated
IMPORTANT:
Read and save this manual for future reference.
This manual is to be left with the equipment owner
Страница 1: ...ce Manual VER Vertical Unit Ventilator with Integral Energy Recovery Form SC OM MANUAL 2011 Temspec Incorporated IMPORTANT Read and save this manual for future reference This manual is to be left with the equipment owner ...
Страница 2: ...igeration Circuit 6 Electrical Circuit 7 Dampers 7 Optional 100 Economizer 7 Optional Powered Exhaust 7 Filtration 7 MAINTENANCE Servicing the Unit 8 Maintenance Schedule 8 Changing the Filters 9 Waterside Component Maintenance 9 Cleaning the Evaporator Coil 10 Motors 10 Cleaning the Energy Recovery Wheel 10 TROUBLESHOOTING Basic Troubleshooting Guidelines 11 REPLACEMENT PARTS Limited Warranty 12 ...
Страница 3: ... By introducing the VER into the classroom superior control can be obtained for each room Because of the unit s ducting capabilities an even distribution of air can be achieved throughout the room The VER is constructed with heavy gauge metal and sound absorbing insulation for optimal sound attenuation By applying sound engineering principles and through continuous testing the highest quality of p...
Страница 4: ...t Damper and Actuator 16 Supply Air Fan 3 100 Economizer OA Damper 10 ERV O A Filter 17 LH Hinged Access Panel 4 Modulating damper actuator 11 RA Actuator 18 Removable Access Panel 5 ERV Damper with Actuator 12 RA Damper 19 Heavy Duty RA Grille 6 ERV Exhaust Fan 13 Mixed Air Filters 7 ERV Enthalpy Wheel 14 Electrical Box Controls Enclosure NOTE The component arrangement shown above may vary slight...
Страница 5: ...izer fully closes the damper to protect from freezing the hot or chilled water coils Control returns to normal once the mixed air temperature rises to 48 F Freeze Protection For units with a steam or hot water coil some type of freeze protection is usually implemented This can be either low limit temperature control manual or auto reset or by using a supply air sensor and programming from the cont...
Страница 6: ...ay Control Valve ITEM NO QTY DESCRIPTION ITEM NO QTY DESCRIPTION 1 1 Hot Water Coil 5 1 Valve 2 Way Modulating 2 1 Manual Air Vent 6 1 Actuator Modulating 3 1 Drain Cock 4 1 Ball Valve Memory Stop Warning City water is very corrosive to brass Components Provide water treatment as soon as the system is charged to avoid premature leaks and or failure of internal components Hot Water Circuit ...
Страница 7: ... DX Split piping schematic Please refer to the shop drawings for a more specific layout ITEM NO QTY DESCRIPTION 1 1 Coil DX R410A 2 1 Valve Access With Core 600psi 3 1 Controller Anti Ice 4 1 Valve TX R410A 5 1 Distributor 6 1 Nozzle Size J2 DX Refrigeration Circuit ...
Страница 8: ... an option feature on the energy recovery unit ventilator This module includes a modulating spring return damper actuator and aluminum damper assembly and associated controls Internal powered exhaust is an optional feature that may be provided with the VER series This feature comes with a spring return actuated aluminum damper direct drive fan and ECM motor It shall operate in tandem with the econ...
Страница 9: ...reaker to the off position To access the ERV section you must remove secondary panels located directly behind the return air access panel Interior and exterior environmental conditions will influence the required frequency of coil cleaning and filter change operations The following is a typical maintenance schedule for a classroom unit ventilator Initial Start Up Change out construction filters Ve...
Страница 10: ...g the airflow direction on the filter Replace all access panels and ensure fasteners are securely fastened The following are the recommended steps for performing maintenance on the Hydronic portion of the unit CAUTION Disconnect power at the remote circuit breaker before servicing the unit Clean strainer check and clean regularly See the maintenance schedule for suggested frequency CAUTION Disconn...
Страница 11: ...ing the required fasteners Once this is completed follow the recommended steps of the wheel manufacturer AirXchange listed below Remove wheel from Unit Ventilator Remove the wheel from the cassette Remove loose accumulated dirt by brushing the wheel face Wash the wheel with a non acid based evaporator coil cleanser or alkaline detergent solution The wheel manufacturer suggests cleaners such as KMP...
Страница 12: ... electric heat high refrigerant pressure controls and low limit temperature control and ensure that they have not been tripped Check the fan relay to observe if it is energizing and de energizing properly Check that the 24V transformer is working properly Ensure that the wire connections are secured properly Compressor short cycles Ensure that there are no obstructions which would cause the unit t...
Страница 13: ... required within the warranty period they will be supplied at no charge freight prepaid to the jobsite The cost of labor or incidental expenses incurred in the repair or replacement of parts does not form part of this warranty The warranty period commences from the date of shipment except when otherwise agreed at the point of sale see specific warranty terms and conditions for details Contact the ...
