Table of Contents
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INSTALLATION INSTRUCTIONS
WATER-FIRED SINGLE-EFFECT
This product is a water-fired single-effect absorption unit which provides chilled water
for cooling in central plant type air conditioning systems. It is a cooling-only design and
has no innate heating capability. The unit's nominal refrigeration capacity is 5 tons and
is complete with operating and safety controls. The chiller is energized by a heat
medium
(hot water)
capable of providing a temperature range of 158 - 203°F
GENERAL
ABSORPTION CHILLER
from a process, cogeneration, solar, or other waste heat source
CONTENTS
Page
2
2
3
4
5
6
7
8
9
WFC-SC5
(70 - 95°C).
Page
9
10
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Summary of Contents for Yazaki AROACE
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Page 1: Table Of Contents
WFC-SC5 INSTALLATION INSTRUCTIONS WATER-FIRED SINGLE-EFFECT ABSORPTION CHILLER This product is a water-fired single-effect absorption unit which provides chilled water for cooling in central plant type air conditioning systems. It is a cooling-only design and has no innate heating capability. The unit’s nominal refrigeration capacity is 5 tons and is complete with operating and safety controls. -
Page 2: General
ASSEMBLY ATTACHED TO THEM AS SUCH ACTION WILL RESULT LOSS Each Yazaki absorption chiller has VACUUM AND INTRODUCTION OF GASES been evacuated, charged with lithium TO THE INTERIOR OF THE MACHINE WHICH COULD CAUSE CORROSION. bromide and water solution, and run tested prior to leaving the factory. -
Page 3: Standard Specifications
STANDARD SPECIFICATIONS Specifications English WFC-SC5 (Metric) Cooling Capacity 60.0 Mbtu/hr (kW/hr) (17.6) Inlet °F 54.5 (°C) (12.5) Temperature Outlet °F 44.6 (°C) Evaporator Pressure Loss (kPa) (52.6) Chilled Water Maximum Operating Pressure 85.3 (kPa) (588) Flow Rate 12.1 (l/s) (0.76) Water Retention Volume (liters) Heat Rejection... -
Page 4: Equipment Dimensions
EQUIPMENT DIMENSIONS Figure 1 – Equipment Dimensions... -
Page 5: Internal Wiring Diagram
INTERNAL WIRING DIAGRAM Figure 2 – Internal Wiring Diagram... -
Page 6: Installation
Should any damage have occurred, do when choosing the site, the unit will not proceed with installation until the someday have to be replaced, so be Yazaki distributor has been notified and mindful permanent semi- any required remedial actions have been permanent barriers. -
Page 7: Rigging And Moving
RIGGING AND MOVING The Yazaki chiller is designed for There are times when the unit simply overhead rigging with lifting lugs provided cannot be moved to the final installation from the factory. site while remaining in the vertical position. It is be permissible to lay the... -
Page 8: Location And Clearances
3. Attach two rigging cables to the unit feet across the front of the unit. Bring these cables to a single point, maintaining a minimum of 60° between the unit and the cable. 4. Attach two rigging cables to the left side lifting lugs. -
Page 9: Foundation
FOUNDATION All aspects of foundation and support Additionally, for protection of the computations must be in accordance with roofing material, it is recommended a national and local codes. suitable platform or walkway be provided around all sides of the unit. The chiller must be mounted on a level, non-combustible... -
Page 10: Piping
After the chiller has been leveled Piping rules and conventions used properly, the piping for the chilled water with Yazaki chiller are exactly the same cooling water, and heat medium circuits as used with any other type of chiller; may be installed. Piping arrangements... -
Page 11: Cooling Water Piping
COOLING WATER PIPING If possible, the cooling tower should Additionally, there should be flush and be installed at the same level or above drain valves installed between the level of the chiller. If this is not machine and the balance/stop valves so possible, give careful consideration to the as to allow for flushing of the absorber- prevention of drain-back and loss of... -
Page 12: Freeze Protection
This may result in inappropriate and potentially damaging to the depletion of inhibitor at a faster rate than what Yazaki chiller. Use only glycol appropriate for may be perceived as normal. use with copper tubing. Exception: The heat... -
Page 13: Electrical
ELECTRICAL The high voltage wiring for each unit should be connected to the top of the disconnect breaker located at the top left in the Control Box. The electrical supply for the WFC-SC5 can be anything between 86 and 265 volts AC. -
Page 14: Water Quality
Table 5 – Water Quality INSTALLATION CHECK & REQUEST FOR STARTUP After the absorption chiller has been ASP or to Yazaki Energy Systems, Inc., installed, piped, and wired as described at least 3 weeks prior to the required in these instructions, but before any startup date. - Page 15 YAZAKI WFC-SC5 SERIES CHILLER INSTALLATION CHECK AND REQUEST FOR START-UP Yazaki Authorized Service Provider: Address: Project Name: Project Address: Model No: Serial No: Anticipated Startup Date: A. CHILLER C. POWER WIRING □ 1. Unit placed properly on foundation 1. Power supply, as indicated on the UNIT □...
- Page 16 Fax: 469-229-5448 Email: yazaki@yazakienergy.com Web: www.yazakienergy.com This symbol on the product’s nameplate means it is listed by UNDERWRITERS LABORATORIES, INC. Yazaki reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. WFC5UL-II-1A1-0611...