Operation and Maintenance Manual, OnyX Sky Heat Recovery Units, 2022/01
Frapol Sp. z o.o. reserves the right to introduce changes without any prior notice.
Page
5
3.1
Identification and documentation of the Heat Recovery Unit
The Heat Recovery Unit has a nameplate which
identifies the most important technical parameters of
the unit. This Operation and Maintenance Manual is
provided to the customer together with the invoice,
warranty and declaration of conformity as well as any
additional manuals. For any contact with the service
department, please indicate the type and the serial
number of the unit.
3.2
Intended use and scope of application
The OnyX Heat Recovery Units (HRUs) are used to prepare air for ventilation and air-conditioning systems in
residential, service, public, and industrial buildings.
The HRUs can be used for air treatment with the maximum dust concentration of 0.5 mg/m
3
.
The permissible temperature range of the air supplied to the HRU is -
20°C to +40°C.
The maximum mixing ratio of the air supplied to the recuperator should not exceed 19g/kg of dry air (at the
temperature of +30°C and relative humidity of 70%).
DANGER
Heat Recovery Units
must not be installed in ex zones.
3.3
Structure of the Heat Recovery Unit and scope of delivery
The OnyX Sky Heat Recovery Units are equipped with the following components:
•
A counter-current heat recovery system (1) with an automatic bypass system (2)
•
Fresh air (3) and exhaust air (4) filters
•
Supply (5) and exhaust (6) fans
•
An automation system (7) with a main breaker switch and a power socket
•
Adjustable fasteners for access panels (8)
•
Round connection ports for ventilation ducts (9)
•
Duct stubs (10)
Scope of delivery:
•
Heat Recovery Unit with an integrated control system
•
Control panel
•
Power supply cord
•
Electric duct pre-heater of the anti-
freeze system (if it isn’t
mounted inside HRU)
•
Trap for condensate drainage system
•
O&M Manual
