HVAC Service - Right s side system has a leak indicated by the critically low refrigerant. Recommend 410a recharge and dye pack to find leak at a later date also cannot complete maintenance due to the disconnect not being present. Left side system does seem to be slightly low on refrigerant, but not at a critical point yet. However it is an older r22 system so there is no viable option for repair on this unit. Alsoinside blower capacitor is below specification recommend changing out. Charged with 4lb 1oz of 410a.