Liebert PW017 User Manual

9.14 Drycooler Aquastat Settings
Applications with the Optional Stat Setting require field piping to be insulated to prevent condensation.
Table 9.7 below, shows acceptable applications where stats must be adjusted to Optional Setting.
Aquastats must be field-adjusted to Optional Setting for:
• GLYCOOL/Dual Cool applications
• Single Drycooler loops with motor ball valve flow controls.
Flow Control: MBV
Cooling Type: Glycol GLYCOOL™
Drycoolers inLoop 1 Multiple 1 Multiple
Stat Setting* Optional Factory Optional Optional
Insulate FieldPiping Yes No Yes Yes
* See Table 9.8 below
MBV = motorized ball valve
Table 9.7 Water/glycol system conditions requiringoptionalsettingsforaquastats
Dial Setting (Stat Open Temp) Set for Mid Differential 8°F (4.4°C) Rise to Close
Aquastat # Fans
Factory Setting (Glycol)
(see Notes1 and2)
Optional Setting (GLYCOOL)
(see Note 3)
AQ1 F1 65°F (18.3°C) 35°F (1.7°C)
AQ2 F2 & F3 75°F (23.9°C) 45°F (7.2°C)
AQ3 F4 70°F (21.1°C) 40°F (4.4°C)
1. All drycoolers are shipped at Factory Setting.
2. Factory Setting is used for all glycol applications, except single drycooler loops with motor ball valve controls.
3. Stats must be field-adjusted to Optional Setting for GLYCOOL/Dual Cool applications and all single drycooler loops using motor ball
valve flow controls.
Table 9.8 Aquastat settings—2-fan through 4-fan drycoolers
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Liebert PW017 Specifications

General

Brand	Liebert
Model	PW017
Category	Control Unit
Language	English