NuAire ecosmart SQURBO XBOX Installation, Operating And Maintenance Instructions Download Page 16 | Manualshive

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08. 06. 18. Leaflet Number 671408

Western Industrial Estate

Caerphilly United Kingdom

CF83 1NA

T: 029 2085 8400

F: 029 2085 8444

E: [email protected]

W: www.nuaire.co.uk

Installation, Operating and Maintenance Instructions

SQURBO XBOX

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Summary of Contents for ecosmart SQURBO XBOX

Page 1: ...y unit Installation Operating and Maintenance Instructions The EMC Directive 2014 30 EU The Low Voltage directive 2014 35 EU Figure 2 S2 5 XBV RN right hand with no heater Figure 1 S2 5 XBV LE left ha...

Page 2: ...fully weatherproof until their installation including ductwork connections is complete If the storage period is to exceed two months contact Nuaire for guidance on the appropriate mothballing procedu...

Page 3: ...o the mating faces of the unit frames before bolting together Figure 9 Section assembly plate Pipe work connections to heating and or cooling coils shall be made to the appropriate standard and the en...

Page 4: ...ween circuit boards blowers and sensors are made at the factory This diagram only shows the essential field wiring points for clarity Damper Connections Heat Demand Signal Run Signal Fault Signal Damp...

Page 5: ...oling Fault Frost TX RX Extract N E L SL DP CL N RET Heat Demand Run Fault NET connections for Ecosmart devices Min Max SL run on Trickle Test 0 1 Link wire see note ES CO2 Connection BMS Input Signal...

Page 6: ...oil 0V 0 10V BMS signal Unit size S6 XB V H with LPHW coil Figure 17 Connections to Damper FAULT RUN N L SL DP CL N RET Remove this link wire if 1 a switched live signal is connected 2 A ES PIR ES TC...

Page 7: ...nd unit sizes S7 S10 Supply fan without heater Figure 18 Unit sizes S7 S8 Supply fan with electric heater Figure 19 Wiring for units with Ecosmart control cont S7 XBV this variant is supplied with all...

Page 8: ...Trickle Test 0 1 Pwr Standby Fan 1 Fan 2 Heating Cooling Fault Frost Tx Rx Ecosmart Heat demand signal Earth Run signal Fault signal HEAT DAMPER DEMAND L3 L2 L1 N E 400V 50Hz 3ph N mains 1 3 5 2 4 6...

Page 9: ...n extract fan and the by pass damper If the unit is supplied with electric heater this must be connected to suitable control circuit with adequate safety interlock to be designed and supplied by other...

Page 10: ...wiring for S2 6 XB fan only or with LPHW coil bypass damper wiring Figure 27 N L 230V 50Hz Isolator by others Bypass Damper Power to open Auto Close N L EARTH NEUTRAL LIVE Isolator by others N L N L 2...

Page 11: ...rminal A signal of 100 230V a c will activate the fan from either its off state or trickle state see setting to work trickle switch When the SL is disconnected the fan will over run see setting to wor...

Page 12: ...rmostatic expansion valve with an external equalising connection The expansion valve phial must be fitted between the suction header connection and the equalising line The recommendations of the TE va...

Page 13: ...others as standard i Repeat the same procedure as for maximum airflow above but without the link wire between supply L and SL terminal Ensure the trickle switch is in the ON position Adjustment must...

Page 14: ...elt remove the two bolts from the motor mounting furthest from the fan and slacken the remaining two bolts Lift the motor plate and remove the belt Replacing the belt is the reverse of this procedure...

Page 15: ...Where access to any part of equipment which moves or can become electrically live are not prevented by the equipment panels or by fixed installation detail eg ducting then guarding to the appropriate...

Page 16: ...flet Number 671408 Western Industrial Estate Caerphilly United Kingdom CF83 1NA T 029 2085 8400 F 029 2085 8444 E info nuaire co uk W www nuaire co uk Installation Operating and Maintenance Instructio...

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