mrcool.com 22
SAFETY PRECAUTIONS
1
Incorrect usage may cause serious damage or injury.
Read Before Using
WARNINGS FOR PRODUCT INSTALLATION
INSTALLATION MUST BE PERFORMED BY AN AUTHORIZED DEALER OR SPECIALIST. DEFECTIVE
INSTALLATION CAN CAUSE WATER LEAKAGE, ELECTRICAL SHOCK, OR FIRE.
1. Follow all steps detailed in this manual.
2. Improper installation could lead to electric shock or re.
3. Moving and re-installation must be performed by professionals. Failing to do so may lead to abnormal
operation or re.
4. Do not install the unit in a place that is vulnerable to ammable gas leakage. Leakage of ammable gas
could lead to re.
5. Do not install in a location with oil, vapor, or sulfured gas, as the unit can become deformed, leading to
system malfunction.
6. Do not operate the thermostat with wet hands or let water enter the thermostat. Otherwise, electric shock
could occur.
7. Ensure the wiring corresponds with the thermostat's current requirements. Failing to do so could cause
electrical leakage and re.
8. For wiring, use only the cables specied. Do not subject the terminal to external force. This could lead to
the wire becoming damaged and result in re.
9. Refer to the wiring diagram included in this manual to connect the wired controller to the indoor unit.
10. The wired controller works in a low voltage loop circuit. DO NOT directly connect the cable to high voltage
(115V, 220V). Keep a clearance between the ex or rigid conduit at 12-20 inches (300-500mm) or above.
11. The shielded cable of the wired controller must be rmly grounded.
12. DO NOT use an insulation resistance tester.
BATTERY WARNINGS-KEEP OUT OF REACH OF CHILDREN
INGESTION HAZARD: Contains button cell or coin battery.
• If the battery compartment does not close securely, stop using the product and keep it away from children.
• If batteries may have been swallowed or placed inside any part of the body, seek immediate medical
attention.
• Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within
2 hours of ingestion. Seek medical attention immediately.
• Remove and immediately recycle or dispose of used batteries according to local regulations and keep away
from children. DO NOT dispose of batteries in household trash or incinerate. Even used batteries can cause
severe injury or death.
• Non-rechargeable batteries are not to be recharged.
• Call a local poison control center for treatment information.
• Do not force discharge, recharge, disassemble, heat above the manufacturer's specied temperature
rating, or incinerate. Doing so may result in chemical burn injuries due to venting, leakage, or explosion.
• Ensure the batteries are installed correctly according to polarity (+ and -).
• Do not mix old and new batteries or dierent brands of types of batteries, such as alkaline, carbon-zinc, or
rechargeable batteries.
• Remove and immediately recycle or dispose of batteries from equipment not used for an extended period
of time according to local regulations.
• Battery type: CR2032
• Battery Power Supply: 3.0V
1-Safety Precautions
