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General| Brand | iHeat |
|---|---|
| Model | AHS18D |
| Category | Water Heater |
| Language | English |
Basic safety, qualified installation, reading instructions, and power precautions are essential for safe appliance use.
The manual should be retained for future reference; the unit is tested before shipment.
Read instructions before installation/use; acknowledge warranty and return policies.
Unit requires wall mounting, indoor installation, and protection from freezing temperatures.
Ensure secure mounting, upright position, and required installation clearances for optimal performance.
Avoid areas with humidity, moisture, dust, or potential liquid splashing to prevent damage.
Installation must be by a licensed plumber following all national, state, and local codes.
Important notes, purging air before power, and flow sensor operation are critical.
Chart detailing flow rates (gpm) at various temperature rises (F) for different models.
Installation by licensed electrician following codes; safety and wire sizing are essential.
Overview of model specs, and recommended breaker installation by model.
Diagram showing correct wire connections to circuit breakers for specific models.
Do not reconfigure wiring; each element needs its own circuit breaker. Follow local codes.
Do not reconfigure wiring; each element needs its own circuit breaker. Follow local codes.
Follow steps for wiring, grounding, checking connections, purging air, and system prep.
Unit activation, standby, temperature control, and automatic shutdown procedures.
Minimum flow rate, temperature settings, and error code reference.
Contact support for issues; overview of factory testing procedures.
Addresses no heating, insufficient heating, and water temp below setting issues.
Insert USB dish for self-test; generates TXT file with status and error codes.
Covers inlet/outlet temp sensor and water flow sensor errors.
Addresses heating element failures, PCB issues, and overheat protection.
Labeled diagram showing internal components for AHS11D, AHS14D, AHS16D, AHS18D models.
Labeled diagram showing internal components for AHS21D, AHS24D, AHS27D models.
Details warranty period, exclusions, limitations of liability, and void conditions.
Support for technicians, information requirements, and parts replacement steps.
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