OM00017 Rev B, FP00066, FP00102 Operation Manual – March 24, 2023 Page 4 of 10
General Operation
Environmental
Coolant Water, Glycol/Water Mixtures (contact Aspen for use of other coolants)
Ambient (Operation) -20°C to 50°C (-4°F – 122°F)
Ambient (Storage) -20°C to 50°C (-4°F – 122°F)
Weight 5.4 kg (12 lb)
Size 22.6 x 33.7 x 21.3 cm (9.0 x 13.26 x 8.4 in)
Condenser Fans
To operate properly, airflow must be provided to the condenser prior to turning the compressor on.
Two fans are attached to the condenser, which requires a 48 VDC (FP00066) or 24 VDC (FP00102) power
supply. The provided fans each generates 138 cfm (without restriction). Aspen Systems does NOT
recommend using the available voltage output on the compressor drive board to operate the fan. Please
connect the fan directly to a 48 VDC supply (FP00066) or 24 VDC supply (FP00102). See Figure 2 for
airflow direction.
Fluid Connections
The LCM terminates with 3/8-inch John Guest push-to-connect (Speedfit) fittings. The user must adapt
their cooling loop to these fittings. These fittings are rated to 140 psig with suitable tubing.
Provided Fittings: John Guest Superseal Speedfit: SI031212S
A customer supplied coolant pump must be used to generate coolant flow across the evaporator. In
order to achieve the maximum performance from the system, proper insulation of the coolant lines may
be required.
Mounting
The LCM is supplied on an 0.063-inch-thick aluminum base plate. There are four #10 clearance holes
(0.221-inch diameter) that can be used to hold down the LCM. See drawing (Figure 2) for hole locations
and full outer dimensions. Insulation and screw heads may protrude beyond the defined overall
geometry. Contact Aspen directly if a solid model is required.
CAUTION! When using a water-based coolant, care must be taken to avoid freezing in the
evaporator. THE LCM IS CAPABLE OF FREEZING WATER WITHIN THE EVAPORATOR IN LESS
THAN 1 MINUTE IF WATER FLOW STOPS OR SLOWS WHILE THE LCM CONTINUES TO RUN.
Freezing the evaporator could rupture the evaporator causing a water and/or refrigerant leak.
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