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Summary of Contents for nvent VA14
- Page 1 V-SERIES Air Conditioner VA14 Model INSTRUCTION MANUAL Rev. B © 2022 nVent Electrical Products China P/N 90452821 89220028...
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Page 2: Table Of Contents
For cooling (35°C range): ................................... 6 For heating (13°C range): .................................. 6 Unit Characteristics ....................................7 WIRE DIAGRAMS ..................................8 VA14 Generic Wire Diagram (actual unit options may vary) ........................8 Schematics ......................................... 9 Components List ......................................9 MAINTENANCE..................................10 Compressor ......................................10 Inlet Air Filter ...................................... -
Page 3: Receiving The Air Conditioner
Damage evident upon receipt should be noted on the freight bill. Damage should be brought to the attention of the delivering carrier -- NOT to nVent Electrical Products China -- within 15 days of delivery. Save the carton and packing material and request an inspection. Then file a claim with the delivering carrier. -
Page 4: Installation Instructions
Electrical circuit should be fused with slow blow or HACR circuit breaker. 6. Set thermostat for required cabinet temperature. Refer to Sequence of Operation on page 6 for thermostat adjustment and operation. DIMENSIONAL DRAWING Figure 1 (External mounting dimensional drawing) - 4 - © 2022 nVent Electrical Products China 89220028... -
Page 5: Mounting Cutout Dimensions
MOUNTING CUTOUT DIMENSIONS 435.0 406.4(6) 391.0 381.0 Ø8(12x) External Mounting Figure 2 CUTOUT INSTRUCTIONS (As viewed from outside of enclosure) NOTE: Dashed lines represent air conditioner. 89220028 © 2022 nVent Electrical Products China - 5 -... -
Page 6: Technical Information
STANDARD AND OPTIONAL COMPONENT OPERATION THERMOSTAT The VA14 air conditioner uses our standard 3204580 thermostat. The thermostat setpoint equals the temperature that the air conditioner turns off. The thermostat has a 5°C differential from setpoint until it calls for cooling or heating. An example of operation is shown below. -
Page 7: Unit Characteristics
207-253 Power Consumption L35 L35 (W) 1326 2107 Cooling Amps at Max Conditions (A) 11.2 Starting Current (A) Pre-fuse T (A) Performance Factor L35 L35 Sound Level At 1 M(dBA) 89220028 © 2022 nVent Electrical Products China - 7 -... -
Page 8: Wire Diagrams
WIRE DIAGRAMS VA14 GENERIC WIRE DIAGRAM (ACTUAL UNIT OPTIONS MAY VARY) POWER BLOCK L N PE DOOR SWITCH TRANSFORMER 240V 24V RELAY MALF SWITCH YEL10 WHT 18 ℃ BLK 17 HEATING COOLING T-STAT T-STAT DIGIT TEMP.DISPLAY LIMIT BLK14 SWITCHES BLK27... -
Page 9: Schematics
Head Pressure Control Switch (option) 90206992 90206992 Impeller, Condenser 3206049 3206049 Impeller, Evaporator 33206049 3218286 90256249 90256249 Thermostat, SPDT, 55-100F 3204580 3204580 Display(option) 90164848 90164848 T-Black 769-603/004/000 90164849 90164849 T-Black 769-103 90164850 90164850 89220028 © 2022 nVent Electrical Products China - 9 -... -
Page 10: Maintenance
1. Flush the filter with warm water from the exhaust side to the intake side. DO NOT USE CAUSTICS. 2. After flushing, allow filter to drain. Placing it with a corner down will assure complete drainage. - 10 - © 2022 nVent Electrical Products China 89220028... -
Page 11: Condenser And Evaporator Air Movers
Refer to the data on the nameplate which specifies the type of refrigerant and the charge size in ounces. Before recharging, make sure there are no leaks and that the system has been properly evacuated into a deep vacuum. 89220028 © 2022 nVent Electrical Products China - 11 -... -
Page 12: Trouble Shooting
(replace upper access panel for safety). This will activate the switch in the thermostat. Turn the power on and if all impellers and the compressor come on,the thermostat needs to be replaced. - 12 - © 2022 nVent Electrical Products China 89220028... -
Page 13: Symptoms And Possible Causes
Short in system Drain plugged Drain tube kinked Getting water in enclosure Enclosure not sealed (allowing humidity in) Mounting gasket damaged For additional technical support, contact nVent Electrical Products China at 400-820-1133. 89220028 © 2022 nVent Electrical Products China - 13 -... - Page 14 Rev. B © 2022 nVent Electrical Products China P/N 90452821 89220028...
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