Airxcel Marvair VAIVA36, Руководство по техническому обслуживанию и ремонту

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71 Scholar V VAIVA Maintenance & Service Manual 10/2017 Rev.2
MODE
FUNCTION/STATUS
Compressor Condenser
Blower #1
Condenser
Blower #2
Indoor
Blower
Reversing
Valve
Hot Gas
Re-heat
Vavle
Electric
Heater
Ventilation
Fan
Ventilation
Damper
Motor
Electronic
Expansion
Valve
Cooling Mode
ON ON
1
ON
1
ON ON OFF OFF Either
3
Either
3
ON
2
Heating Mode
(Heat Pump)
ON ON
4
ON
4
ON OFF OFF OFF
5
Either
3
Either
3
ON
2
Emergency Heat OFF OFF OFF ON
6
OFF OFF ON Either
3
Either
3
ON
2
Defrost ON
7
OFF OFF ON ON OFF Either
8
Either
3
Either
3
ON
2
Dehumidification
with Reheat
ON
9
ON
1
ON
1
ON ON ON
10
ON
11
Either
3
Either
3
ON
2
Off
OFF OFF OFF OFF OFF OFF OFF OFF OFF ON
2
1
Condenser blowers may cycle off to control head pressure
2
Electronic Expansion Valve controller is autonomous and is always active
3
Ventilation is a customer choice. See Occupied/Unoccupied, and Pre-conditioning
4
Blowers run continuously in heating. Head Pressure control is disabled
5
When outdoor temperature gets low, the heat pump is disabled and electric resistance heat is enabled.
6
In electric resistance heating, blower runs at full speed.
7
Maximum compressor speed during defrost
8
The customer may choose to run electric resistance heating during defrost
9
The compressor typically runs at full speed during dehumidification with reheat
10
Reheat valve cycles to control the supply air temperature
11
The customer may choose to run electric resistance heating during hot gas reheat to be sure the air gets heated to the
desired value.