14(65)
1. To maintain temperature
consistency, cooling water
pressure must be higher than 2
bar at all time, but should never
exceed 5 bar in any case.
2. Clean Y-shape Cooling Water
Strainer periodically to ensure
perfect cooling capacity.
Water inlet: inlet for replenishing
water and cooling water.
Water outlet: drainage outlet.
Please abide by the safety guide when you operate the machine so as to prevent
damage of the machine and personal injuries.
All electrical components should be installed by qualified electricians. Turn
off main switch and control switch during repair and maintenance.
Warning! High voltage!
This mark is attached on the cover of the control box.
Warning! Be careful!
Be more careful when this mark appears.
1.4.3 Operation Regulations
1) Before operation, make sure that cooling water is clean soft water without
pollutants.
※
Low quality water brings limescales, which may cause problems.
2) If problems of drainage or bad temperature control are noted, please clean
solenoid valve and cooling water inlet and outlet.
3) Do not move the unit when it is in operation.
4) When in need of repairing, wait until oil temperature falls below 30
℃
.
5) Motor overload may be caused by phase shortage, pipe obstruction, broken
Summary of Contents for STM-1220-PW
Page 1: ...STM PW Series Hi Temp Water Heater Date Dec 2014 Version Ver B English ...
Page 2: ......
Page 25: ...25 65 2 3 2 Control Circuit STM PW 400V Picture 2 6 Control Circuit STM PW 400V ...
Page 29: ...29 65 2 3 5 Main Circuit STM PW 230V Picture 2 8 Main Circuit STM PW 230V ...
Page 30: ...30 65 2 3 6 Control Circuit STM PW 230V Picture 2 9 Control Circuit STM PW 230V ...
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