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Back Position
: Normal operation, process and manometer port closed
Front Position
: Liquid/suction line connection closed
Middle Position
: All ports open for evacuation, charge and manometer
BACK POSITION FRONT POSITION MIDDLE POSITION
Fig. 8 ROTALOCK Valve Operation
BACK POSITION FRONT POSITION MIDDLE POSITION
Fig. 9 Base Valve Operation
Model No
Condensing Unit
Water Flow
(75
°F inlet
,
gal/min)
Water-in
Connection
Water-out
Connection
Water Pressure
Drop (PSI)
WM-2500SSHWC
WM-250SCU-WC
0.2
3/8” FPT
1/2" ODF SOLDER
0.2
WM-4500SSHWC
WM-450SCU-WC
0.4
3/8” FPT
1/2" ODF SOLDER
0.2
WM-6500SSHWC
WM-650SCU-WC
0.6
3/8” FPT
1/2" ODF SOLDER
0.2
WM-8500SSHWC
WM-850SCU-WC
0.8
3/8” FPT
1/2" ODF SOLDER
0.4
4. Temperature Controller and Air Probe
1) The temperature controller can be mounted either inside or outside the wine
cellar, but the air probe must be located inside the wine cellar or the return
duct.
2) The air probe shall be located in the wine cellar 5 ft above the floor or the air
return area, but it shall not be located in the air supply area or other areas
where air is not circulated.
3) Air probe can be pulled out of the temperature controller around 5 ft; if
additional wires are needed, 18 gauge wires may be used to extend the air
probe.
