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Summary of Contents for SEELEY INTERNATIONAL DU
- Page 1 Aira Control Configuration Options DU/SD/HCV and HCVR - 1 - AM006...
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Page 2: Table Of Contents
Heating Cooling Ventilation Return Air (HCVR) ....................- 7 - Wall Switch ................................- 7 - DU/SD Heater with Blower SINGLE heat exchanger .................... - 7 - DU/SD Heater without Blower SINGLE heat exchanger ..................- 7 - Party External Cooler Attachment ......................- 7 - HCV and HCVR SINGLE heat exchanger ........................ -
Page 3: Introduction
DU/SD units can have either a blower attached or a remote blower (Customer supplied) further back in the ductwork. If the unit has a blower attached it is known as a DU with blower or SD with blower. If it has a remote blower the unit is supplied as a DU without blower or SD without Blower. -
Page 4: Units Operated By Bms
SD/DU Heater without Blower DU/SD heater without blower will require a blower to supply air to the unit. This is generally in the form of an evaporative cooler in ventilation mode or an independent blower installed upstream of the heater, which is customer supplied. -
Page 5: Heating Cooling Ventilation (Hcv) Units
Heating Cooling Ventilation (HCV) Units HCV units being an integrated gas heater and evaporative cooler, which can operate in three modes. Heating Cooling and Ventilation. To operate each mode the following signal connections are needed. HEAT ON • Signal in for fan low on X3/41 •... -
Page 6: Rd Party External Cooler Attachment Heater Only
3 party supply air. Rotary Switch Rotary switch control is only Applicable for HCV and HCVR, therefore not applicable for SD/DU Heater with or without Blower. • Switch requires 24V supply from X4/65, X4/66. -
Page 7: Heating Cooling Ventilation Return Air (Hcvr)
DU/SD Heater with Blower SINGLE heat exchanger DU/SD heater with blower has a fan/blower factory fitted to the rear of the DU/SD heater and will have the fan motor starter box prewired to the control box. To operate the heater start signals to heat signal and fan low. -
Page 8: Hcv And Hcvr Single Heat Exchanger
DU/SD Heater with Blower DUAL heat exchanger DU/SD heater with blower has a fan/blower factory fitted to the rear of the DU/SD heater and will have the fan motor starter box prewired to the control box. To operate the heater start signals to heat signal and fan low are required. -
Page 9: Hcv And Hcvr Dual Heat Exchanger
RLU settings – X2 0 to 10 V min 0 max 50Deg C and X3 0to10V min 8 max 30Deg C See wiring diagram No. 009 for full connection details. Climate Wizard Connection To connect an Aira DU/SD heater in line with a Seeley International Climate Wizard please contact a Seeley International representative. Summary This document is details for the installation of standard option configurations.
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