16
7.2. Periodic Maintenance (every 6 months)
7.3. Inspection and Maintenance
7.3.1. Preparing for inspection and maintenance
Danger!
Risk of death caused by fire or explosion if there is a refrigerant
leakage!
Only carry out the work if you are competent and have knowledge about the
special features and risks of R290 refrigerant.
The product contains combustible refrigerant R290. In the event of a leak,
escaping refrigerant may mix with air to form a flammable atmosphere.
There is a risk of fire and explosion.
Ensure that space is sufficiently aerated around the product.
Preparation
Before maintenance, please ensure that the unit stop
running and cut off the power supply.
Inspection and
cleaning of fin
heat exchanger
In order to ensure that heat exchangers remain
in optimum condition for heat exchange, their
surfaces must be clean.
Inspection and
cleaning of plate
heat exchanger
Every 6 months or when the capacity of the unit
drops by more than 10%, check the water-side heat
exchanger for scale and clean the
heat exchanger.
Check the
electrical wiring
Check if the contact point is loose, oxidized, or
blocked by sundries, etc., which causes poor
contact of the electronic wiring.
Summary of Contents for R290 Series
Page 1: ...INSTALLATIONMANUAL AIR TO WATER HEAT PUMP SERIES R290...
Page 2: ...MODEL KHX 14PY3 KHX 16PY3 Air to Water Heat Pump Installation Manual...
Page 9: ...6 4 Unit Dimension mm 4 1 Models KHX 14PY3...
Page 23: ...9 1 Model KHX 14PY3 9 Wiring Diagram 20...
Page 24: ...21 9 2 Model KHX 16PY3...
Page 38: ...35 V202109HH01...
Page 39: ...NOTE...
Page 40: ...kaisai com 20220425 0003...