9
Before Using this unit
Requirements for Installation
18. Check the drain temperature of cooling water
•
Drain temperature may exceed 60
℃
in drainage from boiler. Drain to a place remote from
working environment not to be touched easily because there is a danger of burns.
•
High-temperature cooling water could flow out. If vinyl chloride tube is used for the water
drain unit of the sink, such a tube could deteriorate. Water should be drained to a place away
from the drain tube of the sink. Even if VP tube (JIS K6741) is used for the vinyl chloride
tube, DV-RR joint is used for the joint, and even if insert socket (JIS K6739) is used, the water
drain trap in the nonstandard options should be used when the control temp. cannot be
lowered (60
℃
or lower). Even if the drain temperature is 60
℃
or lower, and if the
above-mentioned tubes and joint are not used, the drain trap in the nonstandard options
should be used.
19. When drain temperature of sink equipment does not fall under 60
℃
•
Use a drain trap (optional accessory).
•
Drain trap makes temperature fall by accumulating cooled drain water temporarily. Further, it
mixes city water and cooled-down drain water, makes mixed water temperature fall, then lets
drain to sink equipment.
•
Contact your dealer or Yamato Scientific sales office for detail of drain trap.
