211.2. Indoor/Outdoor Unit Installation Diagram ---------- 2411.3. Indoor Unit ------------------------------------------------- 2511.4. Outdoor Unit ----------------------------------------------- 2812 Operation and Control----------------------------------------- 3112.1. Basic Function -------------------------------------------- 3112.2. Water Pump ----------------------------------------------- 3212.3. Pump Down Operation --------------------------------- 3312.4. Flow Switch ------------------------------------------------ 3312.5. Indoor Unit Safety ---------------------------------------- 3412.6. Auto Restart Control------------------------------------- 3412.7. Indication Panel------------------------------------------- 3413 Protection Control ---------------------------------------------- 3513.1. Protection Control For All Operations--------------- 3513.2. Protection Control For Heating Operation --------- 3614 Servicing Mode -------------------------------------------------- 3714.1. Test Run ---------------------------------------------------- 3714.2. Proper Pump Down Procedure ----------------------- 3714.3. How To Adjust Water Flow Rate---------------------- 3715 Maintenance Guide --------------------------------------------- 3816 Troubleshooting Guide---------------------------------------- 4016.1. Refrigeration Cycle System --------------------------- 4016.2. Relationship Between The Condition Of TheAir-to-Water Heatpump Indoor And OutdoorUnits And Pressure And Electric Current ---------- 4116.3. Breakdown Self Diagnosis Function ---------------- 4216.4. Error Codes Table---------------------------------------- 4316.5. Self-diagnosis Method ---------------------------------- 4417 Disassembly and Assembly Instructions --------------- 7017.1. To Remove Front Plate --------------------------------- 7017.2. To Remove Cabinet-------------------------------------- 7017.3. To Remove Pressure Gauge -------------------------- 7117.4. To Remove Control Panel------------------------------ 7117.5. To Remove Electronic Controller Board andTransformer------------------------------------------------ 7217.6. To Remove RCCB --------------------------------------- 7217.7. To Remove Pressure Relief Valve, FlowSwitch and Water Pump-------------------------------- 7318 Technical Data---------------------------------------------------- 7518.1. Operation Characteristics ------------------------------ 7518.2. Heating Capacity Table --------------------------------- 7718.3. Hydraulic Pump Performance------------------------- 7919 Exploded View and Replacement Parts List ----------- 8019.1. WH-SD24BE5-1 WH-SD30BE5-1 ------------------ 8019.2. WH-UD24BE5-1 WH-UD30BE5-1 ------------------ 82