FORM QTC3-EG6 (1118)
QUANTECH
61
I. Evaporator options:
1. Provide 1-1/2”” evaporator insulation in lieu of standard 3/4”.
J. Hot Gas By-Pass: Permits continuous, stable operation at capacities below the mini-
mum step of unloading to as low as 5% capacity (depending on both the unit & operat-
ing conditions) by introducing an artificial load on the evaporator. Hot gas by-pass is
installed on only one refrigerant circuit.
K. Thermal Storage: leaving chilled liquid setpoint range for charge cycle from 25°F to
20°F minimum, with automatic reset of the leaving brine temperature up to 40°F above
the setpoint.
L. Low Temperature Process Glycol: leaving chilled liquid setpoint range 10°F to 50°F
(-12°C to 10°C)
M. Chicago Code Relief Valves to meet Chicago Code requirements.
N. Sound Reduction (Factory installed):
O. Vibration Isolation (Field installed):
1. Elastomeric Isolators.
2.
1” Deflection Spring Isolators: level adjustable, spring and cage type isolators for
mounting under the unit base rails.
3.
2” Deflection Restrained Spring Isolators: level adjustable, restrained mounts in rug
-
ged welded steel housing with vertical and horizontal limit stops. Housings shall be
designed to withstand a minimum 1.0g accelerated force in all directions to 2 inches
(50.8 mm).
PART 3 – EXECUTION
3.01 INSTALLATION
A. General: rig and install in full accordance with manufacturer’s requirements, project
drawings, and contract documents.
B. Location: locate chiller as indicated on drawings, including cleaning and service main-
tenance clearance per manufacturer instructions. Adjust and level chiller on support
structure.
C. Components: installing contractor shall provide and install all auxiliary devices and ac-
cessories for fully operational chiller.
D. Electrical: coordinate electrical requirements and connections for all power feeds with
electrical contractor (Division 16).
E. Controls: coordinate all control requirements and connections with controls contractor.
F.
Finish: installing contractor shall paint damaged and abraded factory finish with touch-
up paint matching factory finish.
Guide Specifications (Cont'd)
