KV1000 Constant Temperature Kinematic Viscosity Bath
Operation and Instruction Manual
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6. Safety Features
The KV1000 Kinematic Viscosity Bath is equipped with several safety and protection features, which are described in the following
sections.
6.1. Over-Temperature Protection
The KV1000 Kinematic Viscosity Bath is equipped with Over-temperature Protection (OTP) circuitry, which prevents the unit from
exceeding unsafe operating temperatures. If the unit cannot maintain the set point temperature and begins to decline, the OTP
circuitry may have been activated. Please follow these steps.
1. Turn off the unit power switch and disconnect the line cord.
2. Determine the source of the problem and correct the situation
3. Restart the unit. Monitor the operations to ensure that the unit is operating properly. If you are still experiencing trouble, please
contact Koehler technical service for assistance.
6.2. Over-Power Protection
The KV1000 Kinematic Viscosity Bath is equipped with Over-power Protection circuitry, which prevents the unit from unsafe
electrical conditions. If power to the unit is lost, then turn off the main power and turn it back on again. The main power switch also
functions as a circuit breaker.
7. Maintenance
WARNING. Disconnect power to the unit before servicing to avoid exposure to high voltages and/or temperatures which may
result in personal injury or death. If you have any questions about maintaining your equipment, then please do not hesitate to
contact the Koehler technical service department.
7.1. Routine Maintenance
Heater
The heater should be kept clean. If deposits build up on the heater, they may be removed by scrubbing with a non-metallic (plastic)
abrasive pad. Do not use steel wool.
Pump Motor
The pump bearings are permanently lubricated with high-temperature silicone grease and do not require additional lubrication.
Should the bearings become noisy, replacement of the entire pump motor is recommended. This will reduce repair labor costs
and retain fluid pumping reliability. A replacement pump and motor mounting kit is available (see Section 7.2- Replacement Parts).
Cleaning
Only mild detergents and water or an approved cleaner should be used on the painted and stainless steel surfaces of the Circulator.
Do not allow cleaning liquids or sprays to enter the Controller vents. A concentrated bath cleaner is available that can be used to
remove mineral deposits from the reservoir (see Section 7.2- Replacement Parts).
Maintaining Clear Bath Water
When water is used as the bath fluid, optimal conditions are present for algae growth. To prevent algae contamination and minimize
the need for draining the reservoir, an algicide should be used. Do NOT use chlorine bleach in the reservoir or on any pump parts.
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